Restoring authorship annotation for Vlad Yaroslavlev <vladon@vladon.com>. Commit 2 of 2.

author: Vlad Yaroslavlev <vladon@vladon.com> 2022-02-10 16:46:25 +0300
committer: Daniil Cherednik <dcherednik@yandex-team.ru> 2022-02-10 16:46:25 +0300
commit: 344ea37b4a345701ab0e67de2266a1c1bd7baf2d (patch)
tree: 1a2c5ffcf89eb53ecd79dbc9bc0a195c27404d0c /library
parent: 706b83ed7de5a473436620367af31fc0ceecde07 (diff)
download: ydb-344ea37b4a345701ab0e67de2266a1c1bd7baf2d.tar.gz
564 files changed, 6912 insertions, 6912 deletions
diff --git a/library/cpp/accurate_accumulate/accurate_accumulate.h b/library/cpp/accurate_accumulate/accurate_accumulate.h
index 87f12d632e..dacced17e9 100644
--- a/library/cpp/accurate_accumulate/accurate_accumulate.h
+++ b/library/cpp/accurate_accumulate/accurate_accumulate.h
@@ -184,7 +184,7 @@ static inline double FastAccumulate(It begin, It end) {
 }
 
 template <typename T>
-static inline double FastAccumulate(const TVector<T>& sequence) { 
+static inline double FastAccumulate(const TVector<T>& sequence) {
     return FastAccumulate(sequence.begin(), sequence.end());
 }
 
@@ -194,7 +194,7 @@ static inline double FastKahanAccumulate(It begin, It end) {
 }
 
 template <typename T>
-static inline double FastKahanAccumulate(const TVector<T>& sequence) { 
+static inline double FastKahanAccumulate(const TVector<T>& sequence) {
     return FastKahanAccumulate(sequence.begin(), sequence.end());
 }
 
@@ -204,7 +204,7 @@ static inline double FastInnerProduct(It1 begin1, It1 end1, It2 begin2) {
 }
 
 template <typename T>
-static inline double FastInnerProduct(const TVector<T>& lhs, const TVector<T>& rhs) { 
+static inline double FastInnerProduct(const TVector<T>& lhs, const TVector<T>& rhs) {
     Y_ASSERT(lhs.size() == rhs.size());
     return FastInnerProduct(lhs.begin(), lhs.end(), rhs.begin());
 }
@@ -215,7 +215,7 @@ static inline double FastKahanInnerProduct(It1 begin1, It1 end1, It2 begin2) {
 }
 
 template <typename T>
-static inline double FastKahanInnerProduct(const TVector<T>& lhs, const TVector<T>& rhs) { 
+static inline double FastKahanInnerProduct(const TVector<T>& lhs, const TVector<T>& rhs) {
     Y_ASSERT(lhs.size() == rhs.size());
     return FastKahanInnerProduct(lhs.begin(), lhs.end(), rhs.begin());
 }
diff --git a/library/cpp/accurate_accumulate/benchmark/main.cpp b/library/cpp/accurate_accumulate/benchmark/main.cpp
index 11f5d7d843..3c5e6e775d 100644
--- a/library/cpp/accurate_accumulate/benchmark/main.cpp
+++ b/library/cpp/accurate_accumulate/benchmark/main.cpp
@@ -10,7 +10,7 @@
 namespace {
     template <typename T, size_t N>
     struct TNormalizedExamplesHolder {
-        TVector<T> Examples; 
+        TVector<T> Examples;
         TNormalizedExamplesHolder()
             : Examples(N)
         {
@@ -23,7 +23,7 @@ namespace {
 
     template <typename T, size_t N>
     struct TExamplesHolder {
-        TVector<T> Examples; 
+        TVector<T> Examples;
         TExamplesHolder()
             : Examples(N)
         {
diff --git a/library/cpp/actors/core/actorsystem.cpp b/library/cpp/actors/core/actorsystem.cpp
index 3914a4a183..c58698a206 100644
--- a/library/cpp/actors/core/actorsystem.cpp
+++ b/library/cpp/actors/core/actorsystem.cpp
@@ -160,7 +160,7 @@ namespace NActors {
 
         // get high 32 bits as seconds from epoch
         // it could wrap every century, but we don't expect any actor-reference to live this long so such wrap will do no harm
-        const ui64 timeFromEpoch = TInstant::MicroSeconds(RelaxedLoad(&CurrentTimestamp)).Seconds(); 
+        const ui64 timeFromEpoch = TInstant::MicroSeconds(RelaxedLoad(&CurrentTimestamp)).Seconds();
 
         // get low 32 bits as counter value
         ui32 lowPartEnd = (ui32)(AtomicAdd(CurrentIDCounter, count));
@@ -208,7 +208,7 @@ namespace NActors {
         StartExecuted = true;
 
         ScheduleQueue.Reset(new NSchedulerQueue::TQueueType());
-        TVector<NSchedulerQueue::TReader*> scheduleReaders; 
+        TVector<NSchedulerQueue::TReader*> scheduleReaders;
         scheduleReaders.push_back(&ScheduleQueue->Reader);
         CpuManager->PrepareStart(scheduleReaders, this);
         Scheduler->Prepare(this, &CurrentTimestamp, &CurrentMonotonic);
diff --git a/library/cpp/actors/core/actorsystem.h b/library/cpp/actors/core/actorsystem.h
index 27c242ccc6..40499d7586 100644
--- a/library/cpp/actors/core/actorsystem.h
+++ b/library/cpp/actors/core/actorsystem.h
@@ -42,7 +42,7 @@ namespace NActors {
 
     namespace NSchedulerQueue {
         class TReader;
-        struct TQueueType; 
+        struct TQueueType;
     }
 
     class IExecutorPool : TNonCopyable {
@@ -110,7 +110,7 @@ namespace NActors {
         virtual void Shutdown() = 0;
         virtual bool Cleanup() = 0;
 
-        virtual void GetCurrentStats(TExecutorPoolStats& poolStats, TVector<TExecutorThreadStats>& statsCopy) const { 
+        virtual void GetCurrentStats(TExecutorPoolStats& poolStats, TVector<TExecutorThreadStats>& statsCopy) const {
             // TODO: make pure virtual and override everywhere
             Y_UNUSED(poolStats);
             Y_UNUSED(statsCopy);
@@ -173,7 +173,7 @@ namespace NActors {
     using TProxyWrapperFactory = std::function<TActorId(TActorSystem*, ui32)>;
 
     struct TInterconnectSetup {
-        TVector<TActorSetupCmd> ProxyActors; 
+        TVector<TActorSetupCmd> ProxyActors;
         TProxyWrapperFactory ProxyWrapperFactory;
     };
 
@@ -229,7 +229,7 @@ namespace NActors {
         volatile ui64 CurrentMonotonic;
         volatile ui64 CurrentIDCounter;
 
-        THolder<NSchedulerQueue::TQueueType> ScheduleQueue; 
+        THolder<NSchedulerQueue::TQueueType> ScheduleQueue;
         mutable TTicketLock ScheduleLock;
 
         friend class TExecutorThread;
diff --git a/library/cpp/actors/core/event_load.h b/library/cpp/actors/core/event_load.h
index b8872738aa..0dab1dd374 100644
--- a/library/cpp/actors/core/event_load.h
+++ b/library/cpp/actors/core/event_load.h
@@ -2,7 +2,7 @@
 
 #include <util/stream/walk.h>
 #include <util/system/types.h>
-#include <util/generic/string.h> 
+#include <util/generic/string.h>
 #include <library/cpp/actors/util/rope.h>
 #include <library/cpp/actors/wilson/wilson_trace.h>
 
diff --git a/library/cpp/actors/core/event_pb_ut.cpp b/library/cpp/actors/core/event_pb_ut.cpp
index fc8cb2d52c..a16c3092b3 100644
--- a/library/cpp/actors/core/event_pb_ut.cpp
+++ b/library/cpp/actors/core/event_pb_ut.cpp
@@ -57,7 +57,7 @@ Y_UNIT_TEST_SUITE(TEventSerialization) {
             TMockEvent event;
             event.msg = &bm;
             chunker.SetSerializingEvent(&event);
-            char buf1[87]; 
+            char buf1[87];
             TString bmChunkedSerialized;
             while (!chunker.IsComplete()) {
                 auto range = chunker.FeedBuf(&buf1[0], sizeof(buf1));
diff --git a/library/cpp/actors/core/executor_pool_basic.cpp b/library/cpp/actors/core/executor_pool_basic.cpp
index 77b4eca1d2..4dce16939a 100644
--- a/library/cpp/actors/core/executor_pool_basic.cpp
+++ b/library/cpp/actors/core/executor_pool_basic.cpp
@@ -17,7 +17,7 @@ namespace NActors {
         ui32 poolId,
         ui32 threads,
         ui64 spinThreshold,
-        const TString& poolName, 
+        const TString& poolName,
         TAffinity* affinity,
         TDuration timePerMailbox,
         ui32 eventsPerMailbox,
@@ -234,7 +234,7 @@ namespace NActors {
         }
     }
 
-    void TBasicExecutorPool::GetCurrentStats(TExecutorPoolStats& poolStats, TVector<TExecutorThreadStats>& statsCopy) const { 
+    void TBasicExecutorPool::GetCurrentStats(TExecutorPoolStats& poolStats, TVector<TExecutorThreadStats>& statsCopy) const {
         poolStats.MaxUtilizationTime = RelaxedLoad(&MaxUtilizationAccumulator) / (i64)(NHPTimer::GetCyclesPerSecond() / 1000);
 
         statsCopy.resize(PoolThreads + 1);
diff --git a/library/cpp/actors/core/executor_pool_basic.h b/library/cpp/actors/core/executor_pool_basic.h
index 7ccd3cd179..023190f7fe 100644
--- a/library/cpp/actors/core/executor_pool_basic.h
+++ b/library/cpp/actors/core/executor_pool_basic.h
@@ -95,7 +95,7 @@ namespace NActors {
         void PrepareStop() override;
         void Shutdown() override;
 
-        void GetCurrentStats(TExecutorPoolStats& poolStats, TVector<TExecutorThreadStats>& statsCopy) const override; 
+        void GetCurrentStats(TExecutorPoolStats& poolStats, TVector<TExecutorThreadStats>& statsCopy) const override;
         TString GetName() const override {
             return PoolName;
         }
diff --git a/library/cpp/actors/core/executor_pool_io.cpp b/library/cpp/actors/core/executor_pool_io.cpp
index 49fe990374..fb557ae6b0 100644
--- a/library/cpp/actors/core/executor_pool_io.cpp
+++ b/library/cpp/actors/core/executor_pool_io.cpp
@@ -106,7 +106,7 @@ namespace NActors {
 
         ActorSystem = actorSystem;
 
-        ScheduleQueue.Reset(new NSchedulerQueue::TQueueType()); 
+        ScheduleQueue.Reset(new NSchedulerQueue::TQueueType());
 
         for (ui32 i = 0; i != PoolThreads; ++i) {
             Threads[i].Thread.Reset(new TExecutorThread(i, 0, actorSystem, this, MailboxTable.Get(), PoolName));
diff --git a/library/cpp/actors/core/executor_pool_io.h b/library/cpp/actors/core/executor_pool_io.h
index 651217e0c9..e576d642a1 100644
--- a/library/cpp/actors/core/executor_pool_io.h
+++ b/library/cpp/actors/core/executor_pool_io.h
@@ -19,7 +19,7 @@ namespace NActors {
         TArrayHolder<TThreadCtx> Threads;
         TUnorderedCache<ui32, 512, 4> ThreadQueue;
 
-        THolder<NSchedulerQueue::TQueueType> ScheduleQueue; 
+        THolder<NSchedulerQueue::TQueueType> ScheduleQueue;
         TTicketLock ScheduleLock;
 
         const TString PoolName;
diff --git a/library/cpp/actors/core/executor_pool_united.h b/library/cpp/actors/core/executor_pool_united.h
index 3d591d7ffb..a090ba2466 100644
--- a/library/cpp/actors/core/executor_pool_united.h
+++ b/library/cpp/actors/core/executor_pool_united.h
@@ -126,7 +126,7 @@ namespace NActors {
         void Schedule(TMonotonic deadline, TAutoPtr<IEventHandle> ev, ISchedulerCookie* cookie, TWorkerId workerId) override;
         void Schedule(TDuration delta, TAutoPtr<IEventHandle> ev, ISchedulerCookie* cookie, TWorkerId workerId) override;
 
-        void GetCurrentStats(TExecutorPoolStats& poolStats, TVector<TExecutorThreadStats>& statsCopy) const override; 
+        void GetCurrentStats(TExecutorPoolStats& poolStats, TVector<TExecutorThreadStats>& statsCopy) const override;
 
         TString GetName() const override {
             return PoolName;
diff --git a/library/cpp/actors/core/interconnect.h b/library/cpp/actors/core/interconnect.h
index c26fe1b0b5..679a4b8cc6 100644
--- a/library/cpp/actors/core/interconnect.h
+++ b/library/cpp/actors/core/interconnect.h
@@ -210,7 +210,7 @@ namespace NActors {
         };
 
         struct TEvNodesInfo: public TEventLocal<TEvNodesInfo, EvNodesInfo> {
-            TVector<TNodeInfo> Nodes; 
+            TVector<TNodeInfo> Nodes;
 
             const TNodeInfo* GetNodeInfo(ui32 nodeId) const {
                 for (const auto& x : Nodes) {
diff --git a/library/cpp/actors/core/log.cpp b/library/cpp/actors/core/log.cpp
index 6322677c68..5f63b5af58 100644
--- a/library/cpp/actors/core/log.cpp
+++ b/library/cpp/actors/core/log.cpp
@@ -214,7 +214,7 @@ namespace NActors {
         if (Settings && Settings->Satisfies(priority, component, 0ull)) {
             va_list params;
             va_start(params, c);
-            TString formatted; 
+            TString formatted;
             vsprintf(formatted, c, params);
 
             auto ok = OutputRecord(time, NLog::EPrio(priority), component, formatted);
@@ -229,7 +229,7 @@ namespace NActors {
     }
 
     void TLoggerActor::LogIgnoredCount(TInstant now) {
-        TString message = Sprintf("Ignored IgnoredCount# %" PRIu64 " log records due to logger overflow!", IgnoredCount); 
+        TString message = Sprintf("Ignored IgnoredCount# %" PRIu64 " log records due to logger overflow!", IgnoredCount);
         if (!OutputRecord(now, NActors::NLog::EPrio::Error, Settings->LoggerComponent, message)) {
             BecomeDefunct();
         }
@@ -304,7 +304,7 @@ namespace NActors {
 
     void TLoggerActor::HandleLogComponentLevelRequest(TLogComponentLevelRequest::TPtr& ev, const NActors::TActorContext& ctx) {
         Metrics->IncLevelRequests();
-        TString explanation; 
+        TString explanation;
         int code = Settings->SetLevel(ev->Get()->Priority, ev->Get()->Component, explanation);
         ctx.Send(ev->Sender, new TLogComponentLevelResponse(code, explanation));
     }
@@ -475,7 +475,7 @@ namespace NActors {
             }
 
         } else {
-            TString explanation; 
+            TString explanation;
             if (hasComponent && hasPriority) {
                 Settings->SetLevel(priority, component, explanation);
             }
@@ -675,7 +675,7 @@ namespace NActors {
         void WriteData(const TLogRecord& rec) override {
 #ifdef _MSC_VER
             if (IsDebuggerPresent()) {
-                TString x; 
+                TString x;
                 x.reserve(rec.Len + 2);
                 x.append(rec.Data, rec.Len);
                 x.append('\n');
@@ -699,7 +699,7 @@ namespace NActors {
         }
 
     private:
-        const TString Indent; 
+        const TString Indent;
     };
 
     class TLineFileLogBackend: public TFileLogBackend {
@@ -739,7 +739,7 @@ namespace NActors {
         return new TStderrBackend();
     }
 
-    TAutoPtr<TLogBackend> CreateFileBackend(const TString& fileName) { 
+    TAutoPtr<TLogBackend> CreateFileBackend(const TString& fileName) {
         return new TLineFileLogBackend(fileName);
     }
 
diff --git a/library/cpp/actors/core/log.h b/library/cpp/actors/core/log.h
index 073c233202..c11a7cf3c1 100644
--- a/library/cpp/actors/core/log.h
+++ b/library/cpp/actors/core/log.h
@@ -163,7 +163,7 @@ namespace NActors {
 
     protected:
         int Code;
-        TString Explanation; 
+        TString Explanation;
     };
 
     class TLogIgnored: public TEventLocal<TLogIgnored, int(NLog::EEv::Ignored)> {
@@ -297,7 +297,7 @@ namespace NActors {
     TAutoPtr<TLogBackend> CreateSysLogBackend(const TString& ident,
                                               bool logPError, bool logCons);
     TAutoPtr<TLogBackend> CreateStderrBackend();
-    TAutoPtr<TLogBackend> CreateFileBackend(const TString& fileName); 
+    TAutoPtr<TLogBackend> CreateFileBackend(const TString& fileName);
     TAutoPtr<TLogBackend> CreateNullBackend();
     TAutoPtr<TLogBackend> CreateCompositeLogBackend(TVector<TAutoPtr<TLogBackend>>&& underlyingBackends);
 
@@ -332,7 +332,7 @@ namespace NActors {
         NLog::EPriority mPriority,
         NLog::EComponent mComponent,
         const char* format, TArgs&&... params) {
-        TString Formatted; 
+        TString Formatted;
 
 
         if constexpr (sizeof... (params) > 0) {
diff --git a/library/cpp/actors/core/log_settings.cpp b/library/cpp/actors/core/log_settings.cpp
index 8f4009ae4c..f52f2fc5d2 100644
--- a/library/cpp/actors/core/log_settings.cpp
+++ b/library/cpp/actors/core/log_settings.cpp
@@ -90,7 +90,7 @@ namespace NActors {
         int TSettings::SetLevelImpl(
             const TString& name, bool isSampling,
             EPriority priority, EComponent component, TString& explanation) {
-            TString titleName(name); 
+            TString titleName(name);
             titleName.to_title();
 
             // check priority
diff --git a/library/cpp/actors/core/log_settings.h b/library/cpp/actors/core/log_settings.h
index bd8686cefd..7fe4504edd 100644
--- a/library/cpp/actors/core/log_settings.h
+++ b/library/cpp/actors/core/log_settings.h
@@ -75,7 +75,7 @@ namespace NActors {
             bool AllowDrop;
             TDuration ThrottleDelay;
             TArrayHolder<TAtomic> ComponentInfo;
-            TVector<TString> ComponentNames; 
+            TVector<TString> ComponentNames;
             EComponent MinVal;
             EComponent MaxVal;
             EComponent Mask;
@@ -90,8 +90,8 @@ namespace NActors {
                 JSON_FORMAT
             };
             ELogFormat Format;
-            TString ShortHostName; 
-            TString ClusterName; 
+            TString ShortHostName;
+            TString ClusterName;
             TString MessagePrefix;
 
             // The best way to provide minVal, maxVal and func is to have
@@ -167,7 +167,7 @@ namespace NActors {
 
         private:
             int SetLevelImpl(
-                const TString& name, bool isSampling, 
+                const TString& name, bool isSampling,
                 EPriority priority, EComponent component, TString& explanation);
         };
 
diff --git a/library/cpp/actors/core/mailbox.h b/library/cpp/actors/core/mailbox.h
index acd6e852a3..0bd9c4d314 100644
--- a/library/cpp/actors/core/mailbox.h
+++ b/library/cpp/actors/core/mailbox.h
@@ -399,7 +399,7 @@ namespace NActors {
         struct THTSwapMailbox: public TMailboxHeader {
             using TQueueType = NThreading::THTSwapQueue<IEventHandle*>;
 
-            TQueueType Queue; 
+            TQueueType Queue;
             NHPTimer::STime ScheduleMoment;
             char Padding_[16];
 
@@ -449,7 +449,7 @@ namespace NActors {
         struct TReadAsFilledMailbox: public TMailboxHeader {
             using TQueueType = NThreading::TReadAsFilledQueue<IEventHandle>;
 
-            TQueueType Queue; 
+            TQueueType Queue;
             NHPTimer::STime ScheduleMoment;
             char Padding_[8];
 
@@ -498,11 +498,11 @@ namespace NActors {
                       "expect sizeof(TReadAsFilledMailbox) == 192");
 
         struct TTinyReadAsFilledMailbox: public TMailboxHeader {
-            using TQueueType = NThreading::TReadAsFilledQueue< 
+            using TQueueType = NThreading::TReadAsFilledQueue<
                 IEventHandle,
                 NThreading::TRaFQueueBunchSize<4>>;
 
-            TQueueType Queue; 
+            TQueueType Queue;
             NHPTimer::STime ScheduleMoment;
             char Padding_[8];
 
diff --git a/library/cpp/actors/core/mon.h b/library/cpp/actors/core/mon.h
index f108b370d5..c450f2338e 100644
--- a/library/cpp/actors/core/mon.h
+++ b/library/cpp/actors/core/mon.h
@@ -57,7 +57,7 @@ namespace NActors {
             virtual EContentType GetContentType() const = 0;
         };
 
-        // Ready to output HTML in TString 
+        // Ready to output HTML in TString
         struct TEvHttpInfoRes: public IEvHttpInfoRes {
             TEvHttpInfoRes(const TString& answer, int subReqId = 0, EContentType contentType = Html)
                 : Answer(answer)
@@ -74,7 +74,7 @@ namespace NActors {
                 return ContentType;
             }
 
-            const TString Answer; 
+            const TString Answer;
             const int SubRequestId;
             const EContentType ContentType;
         };
@@ -83,7 +83,7 @@ namespace NActors {
             TEvRemoteHttpInfo() {
             }
 
-            TEvRemoteHttpInfo(const TString& query) 
+            TEvRemoteHttpInfo(const TString& query)
                 : Query(query)
             {
             }
@@ -94,20 +94,20 @@ namespace NActors {
             {
             }
 
-            TString Query; 
+            TString Query;
             HTTP_METHOD Method;
 
-            TString PathInfo() const { 
+            TString PathInfo() const {
                 const size_t pos = Query.find('?');
-                return (pos == TString::npos) ? TString() : Query.substr(0, pos); 
+                return (pos == TString::npos) ? TString() : Query.substr(0, pos);
             }
 
             TCgiParameters Cgi() const {
                 const size_t pos = Query.find('?');
-                return TCgiParameters((pos == TString::npos) ? TString() : Query.substr(pos + 1)); 
+                return TCgiParameters((pos == TString::npos) ? TString() : Query.substr(pos + 1));
             }
 
-            TString ToStringHeader() const override { 
+            TString ToStringHeader() const override {
                 return "TEvRemoteHttpInfo";
             }
 
@@ -137,14 +137,14 @@ namespace NActors {
             TEvRemoteHttpInfoRes() {
             }
 
-            TEvRemoteHttpInfoRes(const TString& html) 
+            TEvRemoteHttpInfoRes(const TString& html)
                 : Html(html)
             {
             }
 
-            TString Html; 
+            TString Html;
 
-            TString ToStringHeader() const override { 
+            TString ToStringHeader() const override {
                 return "TEvRemoteHttpInfoRes";
             }
 
@@ -169,14 +169,14 @@ namespace NActors {
             TEvRemoteJsonInfoRes() {
             }
 
-            TEvRemoteJsonInfoRes(const TString& json) 
+            TEvRemoteJsonInfoRes(const TString& json)
                 : Json(json)
             {
             }
 
-            TString Json; 
+            TString Json;
 
-            TString ToStringHeader() const override { 
+            TString ToStringHeader() const override {
                 return "TEvRemoteJsonInfoRes";
             }
 
@@ -201,14 +201,14 @@ namespace NActors {
             TEvRemoteBinaryInfoRes() {
             }
 
-            TEvRemoteBinaryInfoRes(const TString& blob) 
+            TEvRemoteBinaryInfoRes(const TString& blob)
                 : Blob(blob)
             {
             }
 
-            TString Blob; 
+            TString Blob;
 
-            TString ToStringHeader() const override { 
+            TString ToStringHeader() const override {
                 return "TEvRemoteBinaryInfoRes";
             }
 
diff --git a/library/cpp/actors/core/mon_stats.h b/library/cpp/actors/core/mon_stats.h
index dc5c959134..d55552af0c 100644
--- a/library/cpp/actors/core/mon_stats.h
+++ b/library/cpp/actors/core/mon_stats.h
@@ -76,9 +76,9 @@ namespace NActors {
         TLogHistogram EventDeliveryTimeHistogram;
         TLogHistogram EventProcessingCountHistogram;
         TLogHistogram EventProcessingTimeHistogram;
-        TVector<NHPTimer::STime> ElapsedTicksByActivity; 
-        TVector<ui64> ReceivedEventsByActivity; 
-        TVector<i64> ActorsAliveByActivity; // the sum should be positive, but per-thread might be negative 
+        TVector<NHPTimer::STime> ElapsedTicksByActivity;
+        TVector<ui64> ReceivedEventsByActivity;
+        TVector<i64> ActorsAliveByActivity; // the sum should be positive, but per-thread might be negative
         TVector<ui64> ScheduledEventsByActivity;
         ui64 PoolActorRegistrations = 0;
         ui64 PoolDestroyedActors = 0;
@@ -95,7 +95,7 @@ namespace NActors {
         {}
 
         template <typename T>
-        static void AggregateOne(TVector<T>& self, const TVector<T>& other) { 
+        static void AggregateOne(TVector<T>& self, const TVector<T>& other) {
             const size_t selfSize = self.size();
             const size_t otherSize = other.size();
             if (selfSize < otherSize)
diff --git a/library/cpp/actors/core/process_stats.cpp b/library/cpp/actors/core/process_stats.cpp
index 5c1b1bf08e..0e1dbd0031 100644
--- a/library/cpp/actors/core/process_stats.cpp
+++ b/library/cpp/actors/core/process_stats.cpp
@@ -80,7 +80,7 @@ namespace NActors {
 
             TFileInput statm("/proc/" + strPid + "/statm");
             statm.ReadLine(str);
-            TVector<TString> fields; 
+            TVector<TString> fields;
             StringSplitter(str).Split(' ').SkipEmpty().Collect(&fields);
             if (fields.size() >= 7) {
                 ui64 resident = FromString<ui64>(fields[1]);
diff --git a/library/cpp/actors/core/scheduler_basic.cpp b/library/cpp/actors/core/scheduler_basic.cpp
index 985d411db5..fba200e16b 100644
--- a/library/cpp/actors/core/scheduler_basic.cpp
+++ b/library/cpp/actors/core/scheduler_basic.cpp
@@ -94,7 +94,7 @@ namespace NActors {
                 while (!!activeSec && !activeSec->empty()) {
                     TMomentMap::iterator it = activeSec->begin();
                     if (it->first <= throttledMonotonic) {
-                        if (NSchedulerQueue::TQueueType* q = it->second.Get()) { 
+                        if (NSchedulerQueue::TQueueType* q = it->second.Get()) {
                             while (NSchedulerQueue::TEntry* x = q->Reader.Pop()) {
                                 somethingDone = true;
                                 Y_VERIFY_DEBUG(x->InstantMicroseconds <= activeTick);
@@ -151,18 +151,18 @@ namespace NActors {
                     if (instant <= activeTick) {
                         if (!activeSec)
                             activeSec.Reset(new TMomentMap());
-                        TAutoPtr<NSchedulerQueue::TQueueType>& queue = (*activeSec)[instant]; 
+                        TAutoPtr<NSchedulerQueue::TQueueType>& queue = (*activeSec)[instant];
                         if (!queue)
-                            queue.Reset(new NSchedulerQueue::TQueueType()); 
+                            queue.Reset(new NSchedulerQueue::TQueueType());
                         queue->Writer.Push(instant, ev, cookie);
                     } else {
                         const ui64 intrasecond = AlignUp<ui64>(instant, IntrasecondThreshold);
                         TAutoPtr<TMomentMap>& msec = ScheduleMap[intrasecond];
                         if (!msec)
                             msec.Reset(new TMomentMap());
-                        TAutoPtr<NSchedulerQueue::TQueueType>& queue = (*msec)[instant]; 
+                        TAutoPtr<NSchedulerQueue::TQueueType>& queue = (*msec)[instant];
                         if (!queue)
-                            queue.Reset(new NSchedulerQueue::TQueueType()); 
+                            queue.Reset(new NSchedulerQueue::TQueueType());
                         queue->Writer.Push(instant, ev, cookie);
                     }
 
diff --git a/library/cpp/actors/core/scheduler_basic.h b/library/cpp/actors/core/scheduler_basic.h
index 54c193c4a1..2ccde39235 100644
--- a/library/cpp/actors/core/scheduler_basic.h
+++ b/library/cpp/actors/core/scheduler_basic.h
@@ -26,7 +26,7 @@ namespace NActors {
 
         volatile bool StopFlag;
 
-        typedef TMap<ui64, TAutoPtr<NSchedulerQueue::TQueueType>> TMomentMap; // intrasecond queues 
+        typedef TMap<ui64, TAutoPtr<NSchedulerQueue::TQueueType>> TMomentMap; // intrasecond queues
         typedef THashMap<ui64, TAutoPtr<TMomentMap>> TScheduleMap;            // over-second schedule
 
         TScheduleMap ScheduleMap;
diff --git a/library/cpp/actors/core/scheduler_queue.h b/library/cpp/actors/core/scheduler_queue.h
index a4905e09f1..3b8fac28f0 100644
--- a/library/cpp/actors/core/scheduler_queue.h
+++ b/library/cpp/actors/core/scheduler_queue.h
@@ -108,11 +108,11 @@ namespace NActors {
             }
         };
 
-        struct TQueueType { 
+        struct TQueueType {
             TReader Reader;
             TWriter Writer;
 
-            TQueueType() { 
+            TQueueType() {
                 Writer.Init(Reader);
             }
         };
diff --git a/library/cpp/actors/core/ya.make b/library/cpp/actors/core/ya.make
index 76596cdfe6..880a9d00db 100644
--- a/library/cpp/actors/core/ya.make
+++ b/library/cpp/actors/core/ya.make
@@ -5,8 +5,8 @@ OWNER(
     g:kikimr
 )
 
-NO_WSHADOW() 
- 
+NO_WSHADOW()
+
 IF (PROFILE_MEMORY_ALLOCATIONS)
     CFLAGS(-DPROFILE_MEMORY_ALLOCATIONS)
 ENDIF()
diff --git a/library/cpp/actors/dnscachelib/dnscache.h b/library/cpp/actors/dnscachelib/dnscache.h
index b7e199c3b5..3313a251a1 100644
--- a/library/cpp/actors/dnscachelib/dnscache.h
+++ b/library/cpp/actors/dnscachelib/dnscache.h
@@ -21,7 +21,7 @@ public:
     TDnsCache(bool allowIpv4 = true, bool allowIpv6 = true, time_t entry_lifetime = 1800, time_t neg_lifetime = 1, ui32 request_timeout = 500000);
     ~TDnsCache();
 
-    TString GetHostByAddr(const NAddr::IRemoteAddr&); 
+    TString GetHostByAddr(const NAddr::IRemoteAddr&);
 
     // ip in network byte order
     TIpHost Get(const TString& host);
@@ -43,7 +43,7 @@ protected:
 private:
     struct TGHBNContext {
         TDnsCache* Owner;
-        TString Hostname; 
+        TString Hostname;
         int Family;
     };
 
@@ -56,23 +56,23 @@ private:
         THost() noexcept {
         }
 
-        TVector<TIpHost> AddrsV4; 
+        TVector<TIpHost> AddrsV4;
         time_t ResolvedV4 = 0;
         time_t NotFoundV4 = 0;
         TAtomic InProgressV4 = 0;
 
-        TVector<in6_addr> AddrsV6; 
+        TVector<in6_addr> AddrsV6;
         time_t ResolvedV6 = 0;
         time_t NotFoundV6 = 0;
         TAtomic InProgressV6 = 0;
 
-        TString AddrsV4ToString() const; 
-        TString AddrsV6ToString() const; 
+        TString AddrsV4ToString() const;
+        TString AddrsV6ToString() const;
 
         bool IsStale(int family, const TDnsCache* ctx) const noexcept;
     };
 
-    typedef TMap<TString, THost> THostCache; 
+    typedef TMap<TString, THost> THostCache;
 
     struct TAddr {
         TString Hostname;
@@ -96,7 +96,7 @@ private:
             return false;
         }
     };
-    typedef TMap<in6_addr, TAddr, TAddrCmp> TAddrCache; 
+    typedef TMap<in6_addr, TAddr, TAddrCmp> TAddrCache;
 
     const THost& Resolve(const TString&, int family, bool cacheOnly = false);
 
diff --git a/library/cpp/actors/dnscachelib/timekeeper.h b/library/cpp/actors/dnscachelib/timekeeper.h
index 73b5c20c35..0528d8549c 100644
--- a/library/cpp/actors/dnscachelib/timekeeper.h
+++ b/library/cpp/actors/dnscachelib/timekeeper.h
@@ -14,7 +14,7 @@
 class TTimeKeeper {
 public:
     static TInstant GetNow(void) {
-        return TInstant::MicroSeconds(GetTime()); 
+        return TInstant::MicroSeconds(GetTime());
     }
 
     static time_t GetTime(void) {
diff --git a/library/cpp/actors/interconnect/load.cpp b/library/cpp/actors/interconnect/load.cpp
index 6ed6776e91..2a8443da71 100644
--- a/library/cpp/actors/interconnect/load.cpp
+++ b/library/cpp/actors/interconnect/load.cpp
@@ -217,7 +217,7 @@ namespace NInterconnect {
                 // put item into timeout queue
                 PutTimeoutQueueItem(ctx, id);
 
-                const TDuration duration = TDuration::MicroSeconds(Params.IntervalMin.GetValue() + 
+                const TDuration duration = TDuration::MicroSeconds(Params.IntervalMin.GetValue() +
                     RandomNumber(Params.IntervalMax.GetValue() - Params.IntervalMin.GetValue() + 1));
                 if (Params.SoftLoad) {
                     NextMessageTimestamp += duration;
diff --git a/library/cpp/actors/interconnect/ya.make b/library/cpp/actors/interconnect/ya.make
index f75cb720f0..60d29b0fc0 100644
--- a/library/cpp/actors/interconnect/ya.make
+++ b/library/cpp/actors/interconnect/ya.make
@@ -6,8 +6,8 @@ OWNER(
     g:kikimr
 )
 
-NO_WSHADOW() 
- 
+NO_WSHADOW()
+
 IF (PROFILE_MEMORY_ALLOCATIONS)
     CFLAGS(-DPROFILE_MEMORY_ALLOCATIONS)
 ENDIF()
diff --git a/library/cpp/actors/memory_log/memlog.h b/library/cpp/actors/memory_log/memlog.h
index 469b7aed5e..2aa27272a6 100644
--- a/library/cpp/actors/memory_log/memlog.h
+++ b/library/cpp/actors/memory_log/memlog.h
@@ -1,7 +1,7 @@
 #pragma once
 
 #include <library/cpp/threading/queue/mpmc_unordered_ring.h>
-#include <util/generic/string.h> 
+#include <util/generic/string.h>
 #include <util/string/printf.h>
 #include <util/system/datetime.h>
 #include <util/system/thread.h>
diff --git a/library/cpp/actors/prof/tag.cpp b/library/cpp/actors/prof/tag.cpp
index 9c4f31f09e..9ccf03e1a9 100644
--- a/library/cpp/actors/prof/tag.cpp
+++ b/library/cpp/actors/prof/tag.cpp
@@ -64,7 +64,7 @@ namespace NProfiling {
         return TStringAtoms::Instance().MakeTag(s);
     }
 
-    ui32 MakeTags(const TVector<const char*>& ss) { 
+    ui32 MakeTags(const TVector<const char*>& ss) {
         return TStringAtoms::Instance().MakeTags(ss);
     }
 
diff --git a/library/cpp/actors/prof/tag.h b/library/cpp/actors/prof/tag.h
index 9ca3dcc3a5..357e264a22 100644
--- a/library/cpp/actors/prof/tag.h
+++ b/library/cpp/actors/prof/tag.h
@@ -12,7 +12,7 @@ namespace NProfiling {
     ui32 MakeTag(const char* s);
 
     // Make only unique tags. Y_VERIFY inside.
-    ui32 MakeTags(const TVector<const char*>& ss); 
+    ui32 MakeTags(const TVector<const char*>& ss);
 
     const char* GetTag(ui32 tag);
     size_t GetTagsCount();
diff --git a/library/cpp/actors/prof/ut/tag_ut.cpp b/library/cpp/actors/prof/ut/tag_ut.cpp
index 6687959752..accf3921ab 100644
--- a/library/cpp/actors/prof/ut/tag_ut.cpp
+++ b/library/cpp/actors/prof/ut/tag_ut.cpp
@@ -54,7 +54,7 @@ void TAtomTagsTest::Test_MakeAndGetTag() {
 }
 
 void TAtomTagsTest::Test_MakeVector() {
-    TVector<const char*> strs = { 
+    TVector<const char*> strs = {
         "vector tag 0",
         "vector tag 1",
         "vector tag 3",
diff --git a/library/cpp/actors/testlib/test_runtime.cpp b/library/cpp/actors/testlib/test_runtime.cpp
index 132b252cda..6fa25b9965 100644
--- a/library/cpp/actors/testlib/test_runtime.cpp
+++ b/library/cpp/actors/testlib/test_runtime.cpp
@@ -38,7 +38,7 @@ namespace NActors {
     void PrintEvent(TAutoPtr<IEventHandle>& ev, const TTestActorRuntimeBase* runtime) {
         Cerr << "mailbox: " << ev->GetRecipientRewrite().Hint() << ", type: " << Sprintf("%08x", ev->GetTypeRewrite())
             << ", from " << ev->Sender.LocalId();
-        TString name = runtime->GetActorName(ev->Sender); 
+        TString name = runtime->GetActorName(ev->Sender);
         if (!name.empty())
             Cerr << " \"" << name << "\"";
         Cerr << ", to " << ev->GetRecipientRewrite().LocalId();
@@ -473,7 +473,7 @@ namespace NActors {
         , ShouldContinue()
         , CurrentTimestamp(0)
         , DispatchTimeout(DEFAULT_DISPATCH_TIMEOUT)
-        , ReschedulingDelay(TDuration::MicroSeconds(0)) 
+        , ReschedulingDelay(TDuration::MicroSeconds(0))
         , ObserverFunc(&TTestActorRuntimeBase::DefaultObserverFunc)
         , ScheduledEventsSelectorFunc(&CollapsedTimeScheduledEventsSelector)
         , EventFilterFunc(&TTestActorRuntimeBase::DefaultFilterFunc)
@@ -588,16 +588,16 @@ namespace NActors {
 
     class TScheduledTreeItem {
     public:
-        TString Name; 
+        TString Name;
         ui64 Count;
-        TVector<TScheduledTreeItem> Children; 
+        TVector<TScheduledTreeItem> Children;
 
-        TScheduledTreeItem(const TString& name) 
+        TScheduledTreeItem(const TString& name)
             : Name(name)
             , Count(0)
         {}
 
-        TScheduledTreeItem* GetItem(const TString& name) { 
+        TScheduledTreeItem* GetItem(const TString& name) {
             TScheduledTreeItem* item = nullptr;
             for (TScheduledTreeItem& i : Children) {
                 if (i.Name == name) {
@@ -621,8 +621,8 @@ namespace NActors {
         void Print(IOutputStream& stream, const TString& prefix) {
             for (auto it = Children.begin(); it != Children.end(); ++it) {
                 bool lastChild = (std::next(it) == Children.end());
-                TString connectionPrefix = lastChild ? "└─ " : "├─ "; 
-                TString subChildPrefix = lastChild ? "   " : "│  "; 
+                TString connectionPrefix = lastChild ? "└─ " : "├─ ";
+                TString subChildPrefix = lastChild ? "   " : "│  ";
                 stream << prefix << connectionPrefix << it->Name << " (" << it->Count << ")\n";
                 it->Print(stream, prefix + subChildPrefix);
             }
@@ -630,7 +630,7 @@ namespace NActors {
 
         void Print(IOutputStream& stream) {
             stream << Name << " (" << Count << ")\n";
-            Print(stream, TString()); 
+            Print(stream, TString());
         }
     };
 
@@ -647,7 +647,7 @@ namespace NActors {
             runtime.ScheduledCount++;
             if (runtime.ScheduledCount > runtime.ScheduledLimit) {
 //                TScheduledTreeItem root("Root");
-//                TVector<TString> path; 
+//                TVector<TString> path;
 //                for (const auto& pr : eventTypes) {
 //                    path.clear();
 //                    path.push_back(runtime.GetActorName(pr.first.first));
@@ -658,7 +658,7 @@ namespace NActors {
 //                    ui64 count = pr.second;
 //                    TScheduledTreeItem* item = &root;
 //                    item->Count += count;
-//                    for (TString name : path) { 
+//                    for (TString name : path) {
 //                        item = item->GetItem(name);
 //                        item->Count += count;
 //                    }
@@ -783,7 +783,7 @@ namespace NActors {
         TGuard<TMutex> guard(Mutex);
         for (ui32 nodeIndex = 0; nodeIndex < NodeCount; ++nodeIndex) {
             TNodeDataBase* node = Nodes[FirstNodeId + nodeIndex].Get();
-            TString explanation; 
+            TString explanation;
             auto status = node->LogSettings->SetLevel(priority, component, explanation);
             if (status) {
                 Y_FAIL("SetLogPriority failed: %s", explanation.c_str());
@@ -1063,7 +1063,7 @@ namespace NActors {
             TTestActorRuntimeBase& Runtime;
         } DispatchContextSetter(*this, localContext);
 
-        TInstant dispatchTime = TInstant::MicroSeconds(0); 
+        TInstant dispatchTime = TInstant::MicroSeconds(0);
         TInstant deadline = dispatchTime + DispatchTimeout;
         const TDuration scheduledEventsInspectInterval = TDuration::MilliSeconds(10);
         TInstant inspectScheduledEventsAt = dispatchTime + scheduledEventsInspectInterval;
@@ -1152,7 +1152,7 @@ namespace NActors {
 
                     isEmpty = true;
                     auto mboxIt = startWithMboxIt;
-                    TDeque<TEventMailboxId> suspectedBoxes; 
+                    TDeque<TEventMailboxId> suspectedBoxes;
                     while (true) {
                         auto& mbox = *mboxIt;
                         bool isIgnored = true;
@@ -1741,12 +1741,12 @@ namespace NActors {
 
     struct TStrandingActorDecoratorContext : public TThrRefBase {
         TStrandingActorDecoratorContext()
-            : Queue(new TQueueType) 
+            : Queue(new TQueueType)
         {
         }
 
-        typedef TOneOneQueueInplace<IEventHandle*, 32> TQueueType; 
-        TAutoPtr<TQueueType, TQueueType::TPtrCleanDestructor> Queue; 
+        typedef TOneOneQueueInplace<IEventHandle*, 32> TQueueType;
+        TAutoPtr<TQueueType, TQueueType::TPtrCleanDestructor> Queue;
     };
 
     class TStrandingActorDecorator : public TActorBootstrapped<TStrandingActorDecorator> {
diff --git a/library/cpp/actors/testlib/test_runtime.h b/library/cpp/actors/testlib/test_runtime.h
index 178837abf9..26e3b45c98 100644
--- a/library/cpp/actors/testlib/test_runtime.h
+++ b/library/cpp/actors/testlib/test_runtime.h
@@ -90,9 +90,9 @@ namespace NActors {
             }
         };
 
-        TVector<TFinalEventCondition> FinalEvents; 
-        TVector<TEventMailboxId> NonEmptyMailboxes; 
-        TVector<TEventMailboxId> OnlyMailboxes; 
+        TVector<TFinalEventCondition> FinalEvents;
+        TVector<TEventMailboxId> NonEmptyMailboxes;
+        TVector<TEventMailboxId> OnlyMailboxes;
         std::function<bool()> CustomFinalCondition;
         bool Quiet = false;
     };
@@ -123,13 +123,13 @@ namespace NActors {
         static ui64 NextUniqueId;
     };
 
-    typedef TDeque<TAutoPtr<IEventHandle>> TEventsList; 
-    typedef TSet<TScheduledEventQueueItem> TScheduledEventsList; 
+    typedef TDeque<TAutoPtr<IEventHandle>> TEventsList;
+    typedef TSet<TScheduledEventQueueItem> TScheduledEventsList;
 
     class TEventMailBox : public TThrRefBase {
     public:
         TEventMailBox()
-            : InactiveUntil(TInstant::MicroSeconds(0)) 
+            : InactiveUntil(TInstant::MicroSeconds(0))
 #ifdef DEBUG_ORDER_EVENTS
             , ExpectedReceive(0)
             , NextToSend(0)
@@ -158,7 +158,7 @@ namespace NActors {
         TInstant InactiveUntil;
         TEventsList Sent;
 #ifdef DEBUG_ORDER_EVENTS
-        TMap<IEventHandle*, ui64> TrackSent; 
+        TMap<IEventHandle*, ui64> TrackSent;
         ui64 ExpectedReceive;
         ui64 NextToSend;
 #endif
@@ -238,7 +238,7 @@ namespace NActors {
         ui32 GetNodeCount() const;
         ui64 AllocateLocalId();
         ui32 InterconnectPoolId() const;
-        TString GetTempDir(); 
+        TString GetTempDir();
         TActorId Register(IActor* actor, ui32 nodeIndex = 0, ui32 poolId = 0,
             TMailboxType::EType mailboxType = TMailboxType::Simple, ui64 revolvingCounter = 0,
             const TActorId& parentid = TActorId());
@@ -427,10 +427,10 @@ namespace NActors {
         }
 
         template <typename... TEvents>
-        static TString TypeNames() { 
-            static TString names[] = { TypeName<TEvents>()... }; 
-            TString result; 
-            for (const TString& s : names) { 
+        static TString TypeNames() {
+            static TString names[] = { TypeName<TEvents>()... };
+            TString result;
+            for (const TString& s : names) {
                 if (result.empty()) {
                     result += '<';
                 } else {
@@ -464,8 +464,8 @@ namespace NActors {
         void SetDispatcherRandomSeed(TInstant time, ui64 iteration);
         TString GetActorName(const TActorId& actorId) const;
 
-        const TVector<ui64>& GetTxAllocatorTabletIds() const { return TxAllocatorTabletIds; } 
-        void SetTxAllocatorTabletIds(const TVector<ui64>& ids) { TxAllocatorTabletIds = ids; } 
+        const TVector<ui64>& GetTxAllocatorTabletIds() const { return TxAllocatorTabletIds; }
+        void SetTxAllocatorTabletIds(const TVector<ui64>& ids) { TxAllocatorTabletIds = ids; }
 
         void SetUseRealInterconnect() {
             UseRealInterconnect = true;
@@ -522,7 +522,7 @@ namespace NActors {
         TMutex Mutex;
         TCondVar MailboxesHasEvents;
         TEventMailBoxList Mailboxes;
-        TMap<ui32, ui64> EvCounters; 
+        TMap<ui32, ui64> EvCounters;
         ui64 DispatchCyclesCount;
         ui64 DispatchedEventsCount;
         ui64 DispatchedEventsLimit = 2'500'000;
@@ -566,7 +566,7 @@ namespace NActors {
             std::shared_ptr<void> AppData0;
             THolder<TActorSystem> ActorSystem;
             THolder<IExecutorPool> SchedulerPool;
-            TVector<IExecutorPool*> ExecutorPools; 
+            TVector<IExecutorPool*> ExecutorPools;
             THolder<TExecutorThread> ExecutorThread;
         };
 
@@ -605,8 +605,8 @@ namespace NActors {
             const TDispatchOptions* Options;
             TDispatchContext* PrevContext;
 
-            TMap<const TDispatchOptions::TFinalEventCondition*, ui32> FinalEventFrequency; 
-            TSet<TEventMailboxId> FoundNonEmptyMailboxes; 
+            TMap<const TDispatchOptions::TFinalEventCondition*, ui32> FinalEventFrequency;
+            TSet<TEventMailboxId> FoundNonEmptyMailboxes;
             bool FinalEventFound = false;
         };
 
@@ -627,7 +627,7 @@ namespace NActors {
         THashMap<TActorId, TActorId> ScheduleWhiteListParent;
         THashMap<TActorId, TString> ActorNames;
         TDispatchContext* CurrentDispatchContext;
-        TVector<ui64> TxAllocatorTabletIds; 
+        TVector<ui64> TxAllocatorTabletIds;
 
         static ui32 NextNodeId;
     };
diff --git a/library/cpp/actors/util/funnel_queue.h b/library/cpp/actors/util/funnel_queue.h
index 0ed5d9b966..0e21e2617c 100644
--- a/library/cpp/actors/util/funnel_queue.h
+++ b/library/cpp/actors/util/funnel_queue.h
@@ -224,7 +224,7 @@ public:
     }
 
 private:
-    typedef TQueueType<ElementType> TBase; 
+    typedef TQueueType<ElementType> TBase;
 
     virtual typename TBase::TEntry* NewEntry(ElementType&& element) noexcept override {
         AtomicAdd(Count, 1);
diff --git a/library/cpp/actors/util/recentwnd.h b/library/cpp/actors/util/recentwnd.h
index 5a784640cd..ba1ede6f29 100644
--- a/library/cpp/actors/util/recentwnd.h
+++ b/library/cpp/actors/util/recentwnd.h
@@ -3,7 +3,7 @@
 #include <util/generic/deque.h>
 
 template <typename TElem,
-          template <typename, typename...> class TContainer = TDeque> 
+          template <typename, typename...> class TContainer = TDeque>
 class TRecentWnd {
 public:
     TRecentWnd(ui32 wndSize)
diff --git a/library/cpp/actors/util/thread.h b/library/cpp/actors/util/thread.h
index c5b0dcc736..d742c8c585 100644
--- a/library/cpp/actors/util/thread.h
+++ b/library/cpp/actors/util/thread.h
@@ -7,7 +7,7 @@
 #include <util/system/thread.h>
 #include <time.h>
 
-inline void SetCurrentThreadName(const TString& name, 
+inline void SetCurrentThreadName(const TString& name,
                                  const ui32 maxCharsFromProcessName = 8) {
 #if defined(_linux_)
     // linux limits threadname by 15 + \0
diff --git a/library/cpp/actors/wilson/wilson_trace.h b/library/cpp/actors/wilson/wilson_trace.h
index d893cb6e41..3d1ca50562 100644
--- a/library/cpp/actors/wilson/wilson_trace.h
+++ b/library/cpp/actors/wilson/wilson_trace.h
@@ -143,7 +143,7 @@ namespace NWilson {
             return x.TraceId == y.TraceId && x.SpanId == y.SpanId;
         }
 
-        TString ToString() const { 
+        TString ToString() const {
             return Sprintf("%" PRIu64 ":%" PRIu64, TraceId, SpanId);
         }
 
diff --git a/library/cpp/archive/yarchive.cpp b/library/cpp/archive/yarchive.cpp
index 34badecc37..1becc3e5da 100644
--- a/library/cpp/archive/yarchive.cpp
+++ b/library/cpp/archive/yarchive.cpp
@@ -41,7 +41,7 @@ static inline T ESLoad(IInputStream* in) {
 template <>
 inline TString ESLoad<TString>(IInputStream* in) {
     size_t len = ESLoad<ui32>(in);
-    TString ret; 
+    TString ret;
     TTempBuf tmp;
 
     while (len) {
@@ -62,7 +62,7 @@ inline TString ESLoad<TString>(IInputStream* in) {
 namespace {
     class TArchiveRecordDescriptor: public TSimpleRefCount<TArchiveRecordDescriptor> {
     public:
-        inline TArchiveRecordDescriptor(ui64 off, ui64 len, const TString& name) 
+        inline TArchiveRecordDescriptor(ui64 off, ui64 len, const TString& name)
             : Off_(off)
             , Len_(len)
             , Name_(name)
@@ -72,7 +72,7 @@ namespace {
         inline TArchiveRecordDescriptor(IInputStream* in)
             : Off_(ESLoad<ui64>(in))
             , Len_(ESLoad<ui64>(in))
-            , Name_(ESLoad<TString>(in)) 
+            , Name_(ESLoad<TString>(in))
         {
         }
 
@@ -84,29 +84,29 @@ namespace {
             ESSave(out, Name_);
         }
 
-        inline const TString& Name() const noexcept { 
+        inline const TString& Name() const noexcept {
             return Name_;
         }
 
-        inline ui64 Length() const noexcept { 
+        inline ui64 Length() const noexcept {
             return Len_;
         }
 
-        inline ui64 Offset() const noexcept { 
+        inline ui64 Offset() const noexcept {
             return Off_;
         }
 
     private:
         ui64 Off_;
         ui64 Len_;
-        TString Name_; 
+        TString Name_;
     };
 
     typedef TIntrusivePtr<TArchiveRecordDescriptor> TArchiveRecordDescriptorRef;
 }
 
 class TArchiveWriter::TImpl {
-    using TDict = THashMap<TString, TArchiveRecordDescriptorRef>; 
+    using TDict = THashMap<TString, TArchiveRecordDescriptorRef>;
 
 public:
     inline TImpl(IOutputStream& out, bool compress)
@@ -194,7 +194,7 @@ TArchiveWriter::TArchiveWriter(IOutputStream* out, bool compress)
 {
 }
 
-TArchiveWriter::~TArchiveWriter() { 
+TArchiveWriter::~TArchiveWriter() {
     try {
         Finish();
     } catch (...) {
@@ -253,7 +253,7 @@ namespace {
 }
 
 class TArchiveReader::TImpl {
-    typedef THashMap<TString, TArchiveRecordDescriptorRef> TDict; 
+    typedef THashMap<TString, TArchiveRecordDescriptorRef> TDict;
 
 public:
     inline TImpl(const TBlob& blob)
@@ -299,11 +299,11 @@ public:
         }
     }
 
-    inline size_t Count() const noexcept { 
+    inline size_t Count() const noexcept {
         return Recs_.size();
     }
 
-    inline TString KeyByIndex(size_t n) const { 
+    inline TString KeyByIndex(size_t n) const {
         if (n < Count()) {
             return Recs_[n]->Name();
         }
@@ -357,7 +357,7 @@ public:
 
 private:
     TBlob Blob_;
-    TVector<TArchiveRecordDescriptorRef> Recs_; 
+    TVector<TArchiveRecordDescriptorRef> Recs_;
     TDict Dict_;
     bool UseDecompression;
 };
@@ -369,11 +369,11 @@ TArchiveReader::TArchiveReader(const TBlob& data)
 
 TArchiveReader::~TArchiveReader() {}
 
-size_t TArchiveReader::Count() const noexcept { 
+size_t TArchiveReader::Count() const noexcept {
     return Impl_->Count();
 }
 
-TString TArchiveReader::KeyByIndex(size_t n) const { 
+TString TArchiveReader::KeyByIndex(size_t n) const {
     return Impl_->KeyByIndex(n);
 }
 
diff --git a/library/cpp/archive/yarchive.h b/library/cpp/archive/yarchive.h
index 76a074f849..8120bcb940 100644
--- a/library/cpp/archive/yarchive.h
+++ b/library/cpp/archive/yarchive.h
@@ -17,7 +17,7 @@ static constexpr size_t ArchiveWriterDefaultDataAlignment = 16;
 class TArchiveWriter {
 public:
     explicit TArchiveWriter(IOutputStream* out, bool compress = true);
-    ~TArchiveWriter(); 
+    ~TArchiveWriter();
 
     void Flush();
     void Finish();
diff --git a/library/cpp/archive/yarchive_ut.cpp b/library/cpp/archive/yarchive_ut.cpp
index bd15cf825e..602a1cdbbd 100644
--- a/library/cpp/archive/yarchive_ut.cpp
+++ b/library/cpp/archive/yarchive_ut.cpp
@@ -26,12 +26,12 @@ UNIT_TEST_SUITE_REGISTRATION(TArchiveTest);
 #define ARCHIVE "./test.ar"
 
 void TArchiveTest::CreateArchive() {
-    TFixedBufferFileOutput out(ARCHIVE); 
+    TFixedBufferFileOutput out(ARCHIVE);
     TArchiveWriter w(&out);
 
     for (size_t i = 0; i < 1000; ++i) {
-        const TString path = "/" + ToString(i); 
-        const TString data = "data" + ToString(i * 1000) + "dataend"; 
+        const TString path = "/" + ToString(i);
+        const TString data = "data" + ToString(i * 1000) + "dataend";
         TStringInput si(data);
 
         w.Add(path, &si);
@@ -55,9 +55,9 @@ void TArchiveTest::TestRead() {
     UNIT_ASSERT_EQUAL(r.Count(), 1000);
 
     for (size_t i = 0; i < 1000; ++i) {
-        const TString key = "/" + ToString(i); 
+        const TString key = "/" + ToString(i);
         TAutoPtr<IInputStream> is = r.ObjectByKey(key);
-        const TString data = is->ReadAll(); 
+        const TString data = is->ReadAll();
 
         UNIT_ASSERT_EQUAL(data, "data" + ToString(i * 1000) + "dataend");
     }
@@ -66,15 +66,15 @@ void TArchiveTest::TestRead() {
 void TArchiveTest::TestOffsetOrder() {
     CreateArchive();
     TTempFile tmpFile(ARCHIVE);
-    TBlob blob1 = TBlob::FromFileSingleThreaded(ARCHIVE); 
-    TArchiveReader r(blob1); 
+    TBlob blob1 = TBlob::FromFileSingleThreaded(ARCHIVE);
+    TArchiveReader r(blob1);
 
     const void* prevOffset = nullptr;
 
     for (size_t i = 0; i < r.Count(); ++i) {
-        const TString key = r.KeyByIndex(i); 
-        TBlob blob2 = r.BlobByKey(key); 
-        const void* offset = blob2.Data(); 
+        const TString key = r.KeyByIndex(i);
+        TBlob blob2 = r.BlobByKey(key);
+        const void* offset = blob2.Data();
 
         if (i) {
             UNIT_ASSERT(prevOffset < offset);
diff --git a/library/cpp/balloc/balloc.cpp b/library/cpp/balloc/balloc.cpp
index 9b66786728..fab489db4c 100644
--- a/library/cpp/balloc/balloc.cpp
+++ b/library/cpp/balloc/balloc.cpp
@@ -109,7 +109,7 @@ extern "C" void free(void* data) {
 #define OP_THROWNOTHING
 #endif
 
-void* operator new(size_t size) { 
+void* operator new(size_t size) {
 #if defined(Y_COVER_PTR)
     return malloc(size);
 #else
@@ -168,7 +168,7 @@ void operator delete(void* p, const std::nothrow_t&)OP_THROWNOTHING {
 #endif
 }
 
-void* operator new[](size_t size) { 
+void* operator new[](size_t size) {
 #if defined(Y_COVER_PTR)
     return malloc(size);
 #else
diff --git a/library/cpp/binsaver/bin_saver.h b/library/cpp/binsaver/bin_saver.h
index 5e6db69bf7..412424889f 100644
--- a/library/cpp/binsaver/bin_saver.h
+++ b/library/cpp/binsaver/bin_saver.h
@@ -247,7 +247,7 @@ private:
         DataChunkStr(data, sizeof(char));
     }
     void DataChunkStroka(TString& data) {
-        DataChunkStr(data, sizeof(TString::char_type)); 
+        DataChunkStr(data, sizeof(TString::char_type));
     }
     void DataChunkWtroka(TUtf16String& data) {
         DataChunkStr(data, sizeof(wchar16));
@@ -281,7 +281,7 @@ private:
     typedef THashMap<ui64, TPtr<IObjectBase>> CObjectsHash;
     TAutoPtr<CObjectsHash> Objects;
 
-    TVector<IObjectBase*> ObjectQueue; 
+    TVector<IObjectBase*> ObjectQueue;
 
 public:
     bool IsReading() {
@@ -390,7 +390,7 @@ public:
             Add(2, &nSize);
         }
         int i = 1;
-        for (typename TList<T1>::iterator k = data.begin(); k != data.end(); ++k, ++i) 
+        for (typename TList<T1>::iterator k = data.begin(); k != data.end(); ++k, ++i)
             Add(i + 2, &(*k));
         return 0;
     }
@@ -542,7 +542,7 @@ public:
 
     template <class T>
     static bool HasNonTrivialSerializer(...) {
-        return sizeof(std::declval<IBinSaver*>()->Add(0, std::declval<T*>())) != 1; 
+        return sizeof(std::declval<IBinSaver*>()->Add(0, std::declval<T*>())) != 1;
     }
 
 public:
@@ -625,19 +625,19 @@ struct TRegisterSaveLoadType {
         return 0;                 \
     }
 
-#define SAVELOAD_OVERRIDE_WITHOUT_BASE(...) \ 
-    int operator&(IBinSaver& f) override {  \ 
-        f.AddMulti(__VA_ARGS__);            \ 
-        return 0;                           \ 
+#define SAVELOAD_OVERRIDE_WITHOUT_BASE(...) \
+    int operator&(IBinSaver& f) override {  \
+        f.AddMulti(__VA_ARGS__);            \
+        return 0;                           \
+    }
+
+#define SAVELOAD_OVERRIDE(base, ...)       \
+    int operator&(IBinSaver& f) override { \
+        base::operator&(f);                \
+        f.AddMulti(__VA_ARGS__);           \
+        return 0;                          \
     }
 
-#define SAVELOAD_OVERRIDE(base, ...)       \ 
-    int operator&(IBinSaver& f) override { \ 
-        base::operator&(f);                \ 
-        f.AddMulti(__VA_ARGS__);           \ 
-        return 0;                          \ 
-    } 
- 
 #define SAVELOAD_BASE(...)        \
     int operator&(IBinSaver& f) { \
         TBase::operator&(f);      \
diff --git a/library/cpp/binsaver/class_factory.h b/library/cpp/binsaver/class_factory.h
index 5e9958a3d8..e83512331b 100644
--- a/library/cpp/binsaver/class_factory.h
+++ b/library/cpp/binsaver/class_factory.h
@@ -2,7 +2,7 @@
 
 #include <typeinfo>
 #include <util/generic/hash.h>
-#include <util/generic/vector.h> 
+#include <util/generic/vector.h>
 #include <util/ysafeptr.h>
 
 
diff --git a/library/cpp/binsaver/ut/binsaver_ut.cpp b/library/cpp/binsaver/ut/binsaver_ut.cpp
index b8cffcf5e3..37eba5406f 100644
--- a/library/cpp/binsaver/ut/binsaver_ut.cpp
+++ b/library/cpp/binsaver/ut/binsaver_ut.cpp
@@ -13,30 +13,30 @@ struct TBinarySerializable {
 
 struct TNonBinarySerializable {
     ui32 Data = 0;
-    TString StrData; 
+    TString StrData;
 };
 
 struct TCustomSerializer {
     ui32 Data = 0;
-    TString StrData; 
+    TString StrData;
     SAVELOAD(StrData, Data);
 };
 
 struct TCustomOuterSerializer {
     ui32 Data = 0;
-    TString StrData; 
+    TString StrData;
 };
 
 void operator&(TCustomOuterSerializer& s, IBinSaver& f);
 
 struct TCustomOuterSerializerTmpl {
     ui32 Data = 0;
-    TString StrData; 
+    TString StrData;
 };
 
 struct TCustomOuterSerializerTmplDerived: public TCustomOuterSerializerTmpl {
     ui32 Data = 0;
-    TString StrData; 
+    TString StrData;
 };
 
 struct TMoveOnlyType {
@@ -52,7 +52,7 @@ struct TMoveOnlyType {
 
 struct TTypeWithArray {
     ui32 Data = 1;
-    TString Array[2][2]{{"test", "data"}, {"and", "more"}}; 
+    TString Array[2][2]{{"test", "data"}, {"and", "more"}};
 
     SAVELOAD(Data, Array);
     bool operator==(const TTypeWithArray& obj) const {
diff --git a/library/cpp/bit_io/bitinout_ut.cpp b/library/cpp/bit_io/bitinout_ut.cpp
index 2a95022605..23a1ddf344 100644
--- a/library/cpp/bit_io/bitinout_ut.cpp
+++ b/library/cpp/bit_io/bitinout_ut.cpp
@@ -19,8 +19,8 @@ namespace NBitIO {
         return bytes << 3ULL;
     }
 
-    inline TString PrintBits(const char* a, const char* b, bool reverse = false) { 
-        TString s; 
+    inline TString PrintBits(const char* a, const char* b, bool reverse = false) {
+        TString s;
         TStringOutput out(s);
         for (const char* it = a; it != b; ++it) {
             if (it != a)
@@ -40,7 +40,7 @@ namespace NBitIO {
     }
 
     template <typename T>
-    inline TString PrintBits(T t, ui32 bits = Bits(sizeof(T))) { 
+    inline TString PrintBits(T t, ui32 bits = Bits(sizeof(T))) {
         return PrintBits((char*)&t, ((char*)&t) + BytesUp(bits));
     }
 }
@@ -52,9 +52,9 @@ class TBitIOTest: public TTestBase {
 
 private:
     using TBi = NBitIO::TBitInput;
-    using TVec = TVector<char>; 
+    using TVec = TVector<char>;
 
-    void static CheckBits(const TVec& v, const TString& ref, const TString& rem) { 
+    void static CheckBits(const TVec& v, const TString& ref, const TString& rem) {
         UNIT_ASSERT_VALUES_EQUAL_C(NBitIO::PrintBits(v.begin(), v.end()), ref, rem);
     }
 
@@ -80,7 +80,7 @@ private:
     }
 
     template <typename TBo>
-    void DoWrite1(TBo& out, const TString& rem) { 
+    void DoWrite1(TBo& out, const TString& rem) {
         out.Write(0x0C, 3);
         UNIT_ASSERT_VALUES_EQUAL_C(out.GetOffset(), 1u, (rem + ", " + ToString(__LINE__)));
         out.Write(0x18, 4);
@@ -94,7 +94,7 @@ private:
     }
 
     template <typename TBo>
-    void DoWrite2(TBo& out, const TString& rem) { 
+    void DoWrite2(TBo& out, const TString& rem) {
         out.Write(0x0C, 3);
         UNIT_ASSERT_VALUES_EQUAL_C(out.GetOffset(), 8u, (rem + ", " + ToString(__LINE__)));
 
@@ -120,7 +120,7 @@ private:
         UNIT_ASSERT_VALUES_EQUAL_C(out.GetOffset(), 41u, (rem + ", " + ToString(__LINE__)));
     }
 
-    void DoBitOutput(NBitIO::TBitOutputYVector& out, const TString& rem) { 
+    void DoBitOutput(NBitIO::TBitOutputYVector& out, const TString& rem) {
         DoWrite1(out, rem);
 
         out.WriteWords<8>(0xabcdef);
@@ -129,7 +129,7 @@ private:
         DoWrite2(out, rem);
     }
 
-    void DoBitOutput(NBitIO::TBitOutputArray& out, const TString& rem) { 
+    void DoBitOutput(NBitIO::TBitOutputArray& out, const TString& rem) {
         DoWrite1(out, rem);
 
         out.WriteWords<8>(0xabcdef);
@@ -138,7 +138,7 @@ private:
         DoWrite2(out, rem);
     }
 
-    void DoBitInput(TBi& in, const TString& rem) { 
+    void DoBitInput(TBi& in, const TString& rem) {
         UNIT_ASSERT(!in.Eof());
 
         {
diff --git a/library/cpp/bit_io/bitoutput.h b/library/cpp/bit_io/bitoutput.h
index e7d205ad94..2b886c1f02 100644
--- a/library/cpp/bit_io/bitoutput.h
+++ b/library/cpp/bit_io/bitoutput.h
@@ -169,7 +169,7 @@ namespace NBitIO {
         }
     };
 
-    using TBitOutputYVector = TBitOutputVector<TVector<char>>; 
+    using TBitOutputYVector = TBitOutputVector<TVector<char>>;
 
     class TBitOutputStreamImpl {
         IOutputStream* Out;
diff --git a/library/cpp/blockcodecs/codecs/brotli/brotli.cpp b/library/cpp/blockcodecs/codecs/brotli/brotli.cpp
index a23765b0d4..6e3cd971bd 100644
--- a/library/cpp/blockcodecs/codecs/brotli/brotli.cpp
+++ b/library/cpp/blockcodecs/codecs/brotli/brotli.cpp
@@ -59,7 +59,7 @@ namespace {
     struct TBrotliRegistrar {
         TBrotliRegistrar() {
             for (int i = 1; i <= TBrotliCodec::BEST_QUALITY; ++i) {
-                RegisterCodec(MakeHolder<TBrotliCodec>(i)); 
+                RegisterCodec(MakeHolder<TBrotliCodec>(i));
             }
         }
     };
diff --git a/library/cpp/blockcodecs/codecs/bzip/bzip.cpp b/library/cpp/blockcodecs/codecs/bzip/bzip.cpp
index 230165e817..3a5cfdd0e9 100644
--- a/library/cpp/blockcodecs/codecs/bzip/bzip.cpp
+++ b/library/cpp/blockcodecs/codecs/bzip/bzip.cpp
@@ -53,7 +53,7 @@ namespace {
     struct TBZipRegistrar {
         TBZipRegistrar() {
             for (int i = 1; i < 10; ++i) {
-                RegisterCodec(MakeHolder<TBZipCodec>(i)); 
+                RegisterCodec(MakeHolder<TBZipCodec>(i));
             }
             RegisterAlias("bzip2", "bzip2-6");
         }
diff --git a/library/cpp/blockcodecs/codecs/fastlz/fastlz.cpp b/library/cpp/blockcodecs/codecs/fastlz/fastlz.cpp
index 49c8bb5902..da2831fbd2 100644
--- a/library/cpp/blockcodecs/codecs/fastlz/fastlz.cpp
+++ b/library/cpp/blockcodecs/codecs/fastlz/fastlz.cpp
@@ -45,7 +45,7 @@ namespace {
     struct TFastLZRegistrar {
         TFastLZRegistrar() {
             for (int i = 0; i < 3; ++i) {
-                RegisterCodec(MakeHolder<TFastLZCodec>(i)); 
+                RegisterCodec(MakeHolder<TFastLZCodec>(i));
             }
             RegisterAlias("fastlz", "fastlz-0");
         }
diff --git a/library/cpp/blockcodecs/codecs/legacy_zstd06/legacy_zstd06.cpp b/library/cpp/blockcodecs/codecs/legacy_zstd06/legacy_zstd06.cpp
index 0416ff964f..042f031679 100644
--- a/library/cpp/blockcodecs/codecs/legacy_zstd06/legacy_zstd06.cpp
+++ b/library/cpp/blockcodecs/codecs/legacy_zstd06/legacy_zstd06.cpp
@@ -23,7 +23,7 @@ namespace {
             return ret;
         }
 
-        static inline size_t DoMaxCompressedLength(size_t l) noexcept { 
+        static inline size_t DoMaxCompressedLength(size_t l) noexcept {
             return ZSTD_compressBound(l);
         }
 
@@ -39,18 +39,18 @@ namespace {
             }
         }
 
-        TStringBuf Name() const noexcept override { 
+        TStringBuf Name() const noexcept override {
             return MyName;
         }
 
         const unsigned Level;
-        const TString MyName; 
+        const TString MyName;
     };
 
     struct TZStd06Registrar {
         TZStd06Registrar() {
             for (unsigned i = 1; i <= ZSTD_maxCLevel(); ++i) {
-                RegisterCodec(MakeHolder<TZStd06Codec>(i)); 
+                RegisterCodec(MakeHolder<TZStd06Codec>(i));
             }
         }
     };
diff --git a/library/cpp/blockcodecs/codecs/lz4/lz4.cpp b/library/cpp/blockcodecs/codecs/lz4/lz4.cpp
index f800b50316..fbf0fe110f 100644
--- a/library/cpp/blockcodecs/codecs/lz4/lz4.cpp
+++ b/library/cpp/blockcodecs/codecs/lz4/lz4.cpp
@@ -101,16 +101,16 @@ namespace {
                 THolder<T2> t2(new T2(i));
 
                 if (t1->Methods) {
-                    RegisterCodec(std::move(t1)); 
+                    RegisterCodec(std::move(t1));
                 }
 
                 if (t2->Methods) {
-                    RegisterCodec(std::move(t2)); 
+                    RegisterCodec(std::move(t2));
                 }
             }
 
-            RegisterCodec(MakeHolder<TLz4Codec<TLz4BestCompress, TLz4FastDecompress>>()); 
-            RegisterCodec(MakeHolder<TLz4Codec<TLz4BestCompress, TLz4SafeDecompress>>()); 
+            RegisterCodec(MakeHolder<TLz4Codec<TLz4BestCompress, TLz4FastDecompress>>());
+            RegisterCodec(MakeHolder<TLz4Codec<TLz4BestCompress, TLz4SafeDecompress>>());
 
             RegisterAlias("lz4-fast-safe", "lz4-fast14-safe");
             RegisterAlias("lz4-fast-fast", "lz4-fast14-fast");
diff --git a/library/cpp/blockcodecs/codecs/lzma/lzma.cpp b/library/cpp/blockcodecs/codecs/lzma/lzma.cpp
index ab3a2466f5..6c8d5fded4 100644
--- a/library/cpp/blockcodecs/codecs/lzma/lzma.cpp
+++ b/library/cpp/blockcodecs/codecs/lzma/lzma.cpp
@@ -65,7 +65,7 @@ namespace {
     struct TLzmaRegistrar {
         TLzmaRegistrar() {
             for (int i = 0; i < 10; ++i) {
-                RegisterCodec(MakeHolder<TLzmaCodec>(i)); 
+                RegisterCodec(MakeHolder<TLzmaCodec>(i));
             }
             RegisterAlias("lzma", "lzma-5");
         }
diff --git a/library/cpp/blockcodecs/codecs/snappy/snappy.cpp b/library/cpp/blockcodecs/codecs/snappy/snappy.cpp
index 44d8c140a4..f6be05a05f 100644
--- a/library/cpp/blockcodecs/codecs/snappy/snappy.cpp
+++ b/library/cpp/blockcodecs/codecs/snappy/snappy.cpp
@@ -45,7 +45,7 @@ namespace {
 
     struct TSnappyRegistrar {
         TSnappyRegistrar() {
-            RegisterCodec(MakeHolder<TSnappyCodec>()); 
+            RegisterCodec(MakeHolder<TSnappyCodec>());
         }
     };
     const TSnappyRegistrar Registrar{};
diff --git a/library/cpp/blockcodecs/codecs/zlib/zlib.cpp b/library/cpp/blockcodecs/codecs/zlib/zlib.cpp
index fc1f602d9f..cdb556c36d 100644
--- a/library/cpp/blockcodecs/codecs/zlib/zlib.cpp
+++ b/library/cpp/blockcodecs/codecs/zlib/zlib.cpp
@@ -55,7 +55,7 @@ namespace {
     struct TZLibRegistrar {
         TZLibRegistrar() {
             for (int i = 0; i < 10; ++i) {
-                RegisterCodec(MakeHolder<TZLibCodec>(i)); 
+                RegisterCodec(MakeHolder<TZLibCodec>(i));
             }
             RegisterAlias("zlib", "zlib-6");
         }
diff --git a/library/cpp/blockcodecs/codecs/zstd/zstd.cpp b/library/cpp/blockcodecs/codecs/zstd/zstd.cpp
index 3f905c8687..95299b3f6d 100644
--- a/library/cpp/blockcodecs/codecs/zstd/zstd.cpp
+++ b/library/cpp/blockcodecs/codecs/zstd/zstd.cpp
@@ -50,7 +50,7 @@ namespace {
     struct TZStd08Registrar {
         TZStd08Registrar() {
             for (int i = 1; i <= ZSTD_maxCLevel(); ++i) {
-                RegisterCodec(MakeHolder<TZStd08Codec>(i)); 
+                RegisterCodec(MakeHolder<TZStd08Codec>(i));
                 RegisterAlias("zstd_" + ToString(i), "zstd08_" + ToString(i));
             }
         }
diff --git a/library/cpp/blockcodecs/codecs_ut.cpp b/library/cpp/blockcodecs/codecs_ut.cpp
index d5e167b85e..bfe5a23690 100644
--- a/library/cpp/blockcodecs/codecs_ut.cpp
+++ b/library/cpp/blockcodecs/codecs_ut.cpp
@@ -17,7 +17,7 @@ Y_UNIT_TEST_SUITE(TBlockCodecsTest) {
     }
 
     void TestAllAtOnce(size_t n, size_t m) {
-        TVector<TBuffer> datas; 
+        TVector<TBuffer> datas;
 
         datas.emplace_back();
         datas.push_back(Buffer("na gorshke sidel korol"));
@@ -50,7 +50,7 @@ Y_UNIT_TEST_SUITE(TBlockCodecsTest) {
 
             for (size_t j = 0; j < datas.size(); ++j) {
                 const TBuffer& data = datas[j];
-                TString res; 
+                TString res;
 
                 try {
                     TBuffer e, d;
@@ -144,11 +144,11 @@ Y_UNIT_TEST_SUITE(TBlockCodecsTest) {
     }
 
     void TestStreams(size_t n, size_t m) {
-        TVector<TString> datas; 
-        TString res; 
+        TVector<TString> datas;
+        TString res;
 
         for (size_t i = 0; i < 256; ++i) {
-            datas.push_back(TString(i, (char)(i % 128))); 
+            datas.push_back(TString(i, (char)(i % 128)));
         }
 
         for (size_t i = 0; i < datas.size(); ++i) {
@@ -178,7 +178,7 @@ Y_UNIT_TEST_SUITE(TBlockCodecsTest) {
                 out.Finish();
             }
 
-            const TString resNew = TDecodedInput(&ss).ReadAll(); 
+            const TString resNew = TDecodedInput(&ss).ReadAll();
 
             try {
                 UNIT_ASSERT_EQUAL(resNew, res);
diff --git a/library/cpp/blockcodecs/core/codecs.cpp b/library/cpp/blockcodecs/core/codecs.cpp
index 072da37087..21506e812b 100644
--- a/library/cpp/blockcodecs/core/codecs.cpp
+++ b/library/cpp/blockcodecs/core/codecs.cpp
@@ -61,8 +61,8 @@ namespace {
 
         TDeque<TString> Tmp;
         TNullCodec Null;
-        TVector<TCodecPtr> Codecs; 
-        typedef THashMap<TStringBuf, ICodec*> TRegistry; 
+        TVector<TCodecPtr> Codecs;
+        typedef THashMap<TStringBuf, ICodec*> TRegistry;
         TRegistry Registry;
 
         // SEARCH-8344: Global decompressed size limiter (to prevent remote DoS)
@@ -82,7 +82,7 @@ TCodecList NBlockCodecs::ListAllCodecs() {
     return ret;
 }
 
-TString NBlockCodecs::ListAllCodecsAsString() { 
+TString NBlockCodecs::ListAllCodecsAsString() {
     return JoinSeq(TStringBuf(","), ListAllCodecs());
 }
 
@@ -127,7 +127,7 @@ void ICodec::Decode(const TData& in, TBuffer& out) const {
     out.Resize(Decompress(in, out.Data()));
 }
 
-void ICodec::Encode(const TData& in, TString& out) const { 
+void ICodec::Encode(const TData& in, TString& out) const {
     const size_t maxLen = MaxCompressedLength(in);
     out.ReserveAndResize(maxLen);
 
@@ -136,7 +136,7 @@ void ICodec::Encode(const TData& in, TString& out) const {
     out.resize(actualLen);
 }
 
-void ICodec::Decode(const TData& in, TString& out) const { 
+void ICodec::Decode(const TData& in, TString& out) const {
     const size_t maxLen = GetDecompressedLength(in);
     out.ReserveAndResize(maxLen);
 
diff --git a/library/cpp/blockcodecs/core/codecs.h b/library/cpp/blockcodecs/core/codecs.h
index 878678d5c7..9c93c00274 100644
--- a/library/cpp/blockcodecs/core/codecs.h
+++ b/library/cpp/blockcodecs/core/codecs.h
@@ -2,7 +2,7 @@
 
 #include <util/generic/buffer.h>
 #include <util/generic/strbuf.h>
-#include <util/generic/string.h> 
+#include <util/generic/string.h>
 #include <util/generic/typetraits.h>
 #include <util/generic/vector.h>
 #include <util/generic/yexception.h>
@@ -45,25 +45,25 @@ namespace NBlockCodecs {
         virtual size_t Compress(const TData& in, void* out) const = 0;
         virtual size_t Decompress(const TData& in, void* out) const = 0;
 
-        virtual TStringBuf Name() const noexcept = 0; 
+        virtual TStringBuf Name() const noexcept = 0;
 
         // some useful helpers
         void Encode(const TData& in, TBuffer& out) const;
         void Decode(const TData& in, TBuffer& out) const;
 
-        void Encode(const TData& in, TString& out) const; 
-        void Decode(const TData& in, TString& out) const; 
+        void Encode(const TData& in, TString& out) const;
+        void Decode(const TData& in, TString& out) const;
 
-        inline TString Encode(const TData& in) const { 
-            TString out; 
+        inline TString Encode(const TData& in) const {
+            TString out;
 
             Encode(in, out);
 
             return out;
         }
 
-        inline TString Decode(const TData& in) const { 
-            TString out; 
+        inline TString Decode(const TData& in) const {
+            TString out;
 
             Decode(in, out);
 
@@ -78,9 +78,9 @@ namespace NBlockCodecs {
     const ICodec* Codec(const TStringBuf& name);
 
     // some aux methods
-    typedef TVector<TStringBuf> TCodecList; 
+    typedef TVector<TStringBuf> TCodecList;
     TCodecList ListAllCodecs();
-    TString ListAllCodecsAsString(); 
+    TString ListAllCodecsAsString();
 
     // SEARCH-8344: Get the size of max possible decompressed block
     size_t GetMaxPossibleDecompressedLength();
diff --git a/library/cpp/blockcodecs/core/common.h b/library/cpp/blockcodecs/core/common.h
index 8e1dabb593..f05df4d334 100644
--- a/library/cpp/blockcodecs/core/common.h
+++ b/library/cpp/blockcodecs/core/common.h
@@ -55,7 +55,7 @@ namespace NBlockCodecs {
             return in.size();
         }
 
-        TStringBuf Name() const noexcept override { 
+        TStringBuf Name() const noexcept override {
             return TStringBuf("null");
         }
     };
@@ -98,7 +98,7 @@ namespace NBlockCodecs {
             return len;
         }
 
-        inline const T* Base() const noexcept { 
+        inline const T* Base() const noexcept {
             return static_cast<const T*>(this);
         }
     };
diff --git a/library/cpp/blockcodecs/core/stream.cpp b/library/cpp/blockcodecs/core/stream.cpp
index 856400b5a1..4f7db3c32b 100644
--- a/library/cpp/blockcodecs/core/stream.cpp
+++ b/library/cpp/blockcodecs/core/stream.cpp
@@ -51,7 +51,7 @@ namespace {
             ythrow yexception() << "can not find codec by id " << id;
         }
 
-        typedef THashMap<TCodecID, const ICodec*> TByID; 
+        typedef THashMap<TCodecID, const ICodec*> TByID;
         TByID ByID;
     };
 
@@ -74,7 +74,7 @@ TCodedOutput::TCodedOutput(IOutputStream* out, const ICodec* c, size_t bufLen)
     }
 }
 
-TCodedOutput::~TCodedOutput() { 
+TCodedOutput::~TCodedOutput() {
     try {
         Finish();
     } catch (...) {
diff --git a/library/cpp/blockcodecs/core/stream.h b/library/cpp/blockcodecs/core/stream.h
index 92ccd10333..fd44ef88f2 100644
--- a/library/cpp/blockcodecs/core/stream.h
+++ b/library/cpp/blockcodecs/core/stream.h
@@ -12,7 +12,7 @@ namespace NBlockCodecs {
     class TCodedOutput: public IOutputStream {
     public:
         TCodedOutput(IOutputStream* out, const ICodec* c, size_t bufLen);
-        ~TCodedOutput() override; 
+        ~TCodedOutput() override;
 
     private:
         void DoWrite(const void* buf, size_t len) override;
@@ -33,7 +33,7 @@ namespace NBlockCodecs {
         TDecodedInput(IInputStream* in);
         TDecodedInput(IInputStream* in, const ICodec* codec);
 
-        ~TDecodedInput() override; 
+        ~TDecodedInput() override;
 
     private:
         size_t DoUnboundedNext(const void** ptr) override;
diff --git a/library/cpp/cache/cache.h b/library/cpp/cache/cache.h
index f79be81fa5..6dc997076d 100644
--- a/library/cpp/cache/cache.h
+++ b/library/cpp/cache/cache.h
@@ -81,7 +81,7 @@ public:
     }
 
     TItem* GetOldest() {
-        typename TListType::TIterator it = List.Begin(); 
+        typename TListType::TIterator it = List.Begin();
         Y_ASSERT(it != List.End());
         return &*it;
     }
@@ -116,8 +116,8 @@ public:
     }
 
 private:
-    typedef TIntrusiveList<TItem> TListType; 
-    TListType List; 
+    typedef TIntrusiveList<TItem> TListType;
+    TListType List;
     TSizeProvider SizeProvider;
     size_t ItemsAmount;
     size_t TotalSize;
@@ -189,7 +189,7 @@ public:
     }
 
     TItem* GetLeastFrequentlyUsed() {
-        typename TListType::TIterator it = List.Begin(); 
+        typename TListType::TIterator it = List.Begin();
         Y_ASSERT(it != List.End());
         return &*it;
     }
@@ -201,7 +201,7 @@ public:
 
     void Promote(TItem* item) {
         size_t counter = ++item->Counter;
-        typename TListType::TIterator it = item; 
+        typename TListType::TIterator it = item;
         while (it != List.End() && counter >= it->Counter) {
             ++it;
         }
@@ -223,8 +223,8 @@ public:
     }
 
 private:
-    typedef TIntrusiveList<TItem> TListType; 
-    TListType List; 
+    typedef TIntrusiveList<TItem> TListType;
+    TListType List;
     size_t ListSize;
     size_t MaxSize;
 };
@@ -366,18 +366,18 @@ private:
     }
 
 private:
-    TVector<TItem*> Heap; 
-    THashSet<TItem*> Removed; 
+    TVector<TItem*> Heap;
+    THashSet<TItem*> Removed;
 
     size_t Size;
     size_t MaxSize;
 };
 
-template <typename TKey, typename TValue, typename TListType, typename TDeleter> 
+template <typename TKey, typename TValue, typename TListType, typename TDeleter>
 class TCache {
-    typedef typename TListType::TItem TItem; 
+    typedef typename TListType::TItem TItem;
     typedef typename TItem::THash THash;
-    typedef THashMultiSet<TItem, THash> TIndex; 
+    typedef THashMultiSet<TItem, THash> TIndex;
     typedef typename TIndex::iterator TIndexIterator;
     typedef typename TIndex::const_iterator TIndexConstIterator;
 
@@ -418,7 +418,7 @@ public:
             return Iter->Value;
         }
 
-        friend class TCache<TKey, TValue, TListType, TDeleter>; 
+        friend class TCache<TKey, TValue, TListType, TDeleter>;
 
     private:
         TIndexConstIterator Iter;
@@ -547,7 +547,7 @@ public:
 
 protected:
     TIndex Index;
-    TListType List; 
+    TListType List;
     bool MultiValue;
 
     TIterator FindByItem(TItem* item) {
@@ -570,7 +570,7 @@ protected:
 
 struct TNoopDelete {
     template <class T>
-    static inline void Destroy(const T&) noexcept { 
+    static inline void Destroy(const T&) noexcept {
     }
 };
 
diff --git a/library/cpp/cache/ut/cache_ut.cpp b/library/cpp/cache/ut/cache_ut.cpp
index 33dacbc565..329872cfde 100644
--- a/library/cpp/cache/ut/cache_ut.cpp
+++ b/library/cpp/cache/ut/cache_ut.cpp
@@ -3,7 +3,7 @@
 #include <library/cpp/testing/unittest/registar.h>
 
 struct TStrokaWeighter {
-    static size_t Weight(const TString& s) { 
+    static size_t Weight(const TString& s) {
         return s.size();
     }
 };
@@ -115,7 +115,7 @@ Y_UNIT_TEST_SUITE(TCacheTest) {
     }
 
     Y_UNIT_TEST(SimpleTest) {
-        typedef TLRUCache<int, TString> TCache; 
+        typedef TLRUCache<int, TString> TCache;
         TCache s(2); // size 2
         s.Insert(1, "abcd");
         UNIT_ASSERT(s.Find(1) != s.End());
@@ -312,7 +312,7 @@ Y_UNIT_TEST_SUITE(TCacheTest) {
     }
 
     Y_UNIT_TEST(MultiCacheTest) {
-        typedef TLRUCache<int, TString> TCache; 
+        typedef TLRUCache<int, TString> TCache;
         TCache s(3, true);
         UNIT_ASSERT(s.Insert(1, "abcd"));
         UNIT_ASSERT(s.Insert(1, "bcde"));
@@ -358,7 +358,7 @@ Y_UNIT_TEST_SUITE(TCacheTest) {
 }
 
 Y_UNIT_TEST_SUITE(TThreadSafeCacheTest) {
-    typedef TThreadSafeCache<ui32, TString, ui32> TCache; 
+    typedef TThreadSafeCache<ui32, TString, ui32> TCache;
 
     const char* VALS[] = {"abcd", "defg", "hjkl"};
 
@@ -369,7 +369,7 @@ Y_UNIT_TEST_SUITE(TThreadSafeCacheTest) {
         }
         TValue* CreateObject(ui32 i) const override {
             Creations++;
-            return new TString(VALS[i]); 
+            return new TString(VALS[i]);
         }
 
         mutable i32 Creations = 0;
diff --git a/library/cpp/cgiparam/cgiparam.cpp b/library/cpp/cgiparam/cgiparam.cpp
index c5b735cffb..f3277b8e4b 100644
--- a/library/cpp/cgiparam/cgiparam.cpp
+++ b/library/cpp/cgiparam/cgiparam.cpp
@@ -5,7 +5,7 @@
 
 #include <util/generic/singleton.h>
 
-TCgiParameters::TCgiParameters(std::initializer_list<std::pair<TString, TString>> il) { 
+TCgiParameters::TCgiParameters(std::initializer_list<std::pair<TString, TString>> il) {
     for (const auto& item : il) {
         insert(item);
     }
@@ -14,7 +14,7 @@ TCgiParameters::TCgiParameters(std::initializer_list<std::pair<TString, TString>
 const TString& TCgiParameters::Get(const TStringBuf name, size_t numOfValue) const noexcept {
     const auto it = Find(name, numOfValue);
 
-    return end() == it ? Default<TString>() : it->second; 
+    return end() == it ? Default<TString>() : it->second;
 }
 
 bool TCgiParameters::Erase(const TStringBuf name, size_t pos) {
@@ -63,10 +63,10 @@ void TCgiParameters::JoinUnescaped(const TStringBuf key, char sep, TStringBuf va
 
     if (it == pair.second) { // not found
         if (val.IsInited()) {
-            emplace_hint(it, TString(key), TString(val)); 
+            emplace_hint(it, TString(key), TString(val));
         }
     } else {
-        TString& dst = it->second; 
+        TString& dst = it->second;
 
         for (++it; it != pair.second; erase(it++)) {
             dst += sep;
@@ -80,8 +80,8 @@ void TCgiParameters::JoinUnescaped(const TStringBuf key, char sep, TStringBuf va
     }
 }
 
-static inline TString DoUnescape(const TStringBuf s) { 
-    TString res; 
+static inline TString DoUnescape(const TStringBuf s) {
+    TString res;
 
     res.reserve(CgiUnescapeBufLen(s.size()));
     res.ReserveAndResize(CgiUnescape(res.begin(), s).size());
@@ -139,8 +139,8 @@ void TCgiParameters::ScanAddAll(const TStringBuf query) {
     DoScan<true>(query, f);
 }
 
-TString TCgiParameters::Print() const { 
-    TString res; 
+TString TCgiParameters::Print() const {
+    TString res;
 
     res.reserve(PrintSize());
     const char* end = Print(res.begin());
@@ -169,7 +169,7 @@ char* TCgiParameters::Print(char* res) const {
     return res;
 }
 
-size_t TCgiParameters::PrintSize() const noexcept { 
+size_t TCgiParameters::PrintSize() const noexcept {
     size_t res = size(); // for '&'
 
     for (const auto& i : *this) {
diff --git a/library/cpp/cgiparam/cgiparam.h b/library/cpp/cgiparam/cgiparam.h
index 572393082c..87d1ab0ad4 100644
--- a/library/cpp/cgiparam/cgiparam.h
+++ b/library/cpp/cgiparam/cgiparam.h
@@ -5,18 +5,18 @@
 #include <util/generic/iterator_range.h>
 #include <util/generic/map.h>
 #include <util/generic/strbuf.h>
-#include <util/generic/string.h> 
+#include <util/generic/string.h>
 
 #include <initializer_list>
 
 struct TStringLess {
     template <class T1, class T2>
-    inline bool operator()(const T1& t1, const T2& t2) const noexcept { 
+    inline bool operator()(const T1& t1, const T2& t2) const noexcept {
         return TStringBuf(t1) < TStringBuf(t2);
     }
 };
 
-class TCgiParameters: public TMultiMap<TString, TString> { 
+class TCgiParameters: public TMultiMap<TString, TString> {
 public:
     TCgiParameters() = default;
 
@@ -24,7 +24,7 @@ public:
         Scan(cgiParamStr);
     }
 
-    TCgiParameters(std::initializer_list<std::pair<TString, TString>> il); 
+    TCgiParameters(std::initializer_list<std::pair<TString, TString>> il);
 
     void Flush() {
         erase(begin(), end());
@@ -36,7 +36,7 @@ public:
         return count(name);
     }
 
-    TString operator()() const { 
+    TString operator()() const {
         return Print();
     }
 
@@ -51,11 +51,11 @@ public:
      * @note The returned string has format <name1>=<value1>&<name2>=<value2>&...
      * @note Names and values in the returned string are CGI-escaped.
      */
-    TString Print() const; 
+    TString Print() const;
     char* Print(char* res) const;
 
     Y_PURE_FUNCTION
-    size_t PrintSize() const noexcept; 
+    size_t PrintSize() const noexcept;
 
     /** The same as Print* except that RFC-3986 reserved characters are escaped.
      * @param safe - set of characters to be skipped in escaping
diff --git a/library/cpp/cgiparam/cgiparam_ut.cpp b/library/cpp/cgiparam/cgiparam_ut.cpp
index 1c7f783a17..a562342084 100644
--- a/library/cpp/cgiparam/cgiparam_ut.cpp
+++ b/library/cpp/cgiparam/cgiparam_ut.cpp
@@ -39,7 +39,7 @@ Y_UNIT_TEST_SUITE(TCgiParametersTest) {
     }
 
     Y_UNIT_TEST(TestScan2) {
-        const TString parsee("=000&aaa=bbb&ag0=&ccc=ddd"); 
+        const TString parsee("=000&aaa=bbb&ag0=&ccc=ddd");
         TCgiParameters c;
         c.Scan(parsee);
 
@@ -47,7 +47,7 @@ Y_UNIT_TEST_SUITE(TCgiParametersTest) {
     }
 
     Y_UNIT_TEST(TestScan3) {
-        const TString parsee("aaa=bbb&ag0=&ccc=ddd"); 
+        const TString parsee("aaa=bbb&ag0=&ccc=ddd");
         TCgiParameters c;
         c.Scan(parsee);
 
diff --git a/library/cpp/cgiparam/fuzz/ya.make b/library/cpp/cgiparam/fuzz/ya.make
index 4c549c7c1e..8fb9d50d3b 100644
--- a/library/cpp/cgiparam/fuzz/ya.make
+++ b/library/cpp/cgiparam/fuzz/ya.make
@@ -9,8 +9,8 @@ SRCS(
     main.cpp
 )
 
-PEERDIR( 
+PEERDIR(
     library/cpp/cgiparam
-) 
- 
+)
+
 END()
diff --git a/library/cpp/cgiparam/ut/ya.make b/library/cpp/cgiparam/ut/ya.make
index 894d4da1a9..1eee403951 100644
--- a/library/cpp/cgiparam/ut/ya.make
+++ b/library/cpp/cgiparam/ut/ya.make
@@ -1,9 +1,9 @@
 UNITTEST_FOR(library/cpp/cgiparam)
- 
-OWNER(g:util) 
- 
-SRCS( 
-    cgiparam_ut.cpp 
-) 
- 
-END() 
+
+OWNER(g:util)
+
+SRCS(
+    cgiparam_ut.cpp
+)
+
+END()
diff --git a/library/cpp/cgiparam/ya.make b/library/cpp/cgiparam/ya.make
index d3fd5b5b50..fa1a6a13c0 100644
--- a/library/cpp/cgiparam/ya.make
+++ b/library/cpp/cgiparam/ya.make
@@ -1,16 +1,16 @@
-LIBRARY() 
- 
-OWNER(g:util) 
- 
-SRCS( 
-    cgiparam.cpp 
-    cgiparam.h 
-) 
- 
-PEERDIR( 
+LIBRARY()
+
+OWNER(g:util)
+
+SRCS(
+    cgiparam.cpp
+    cgiparam.h
+)
+
+PEERDIR(
     library/cpp/iterator
     library/cpp/string_utils/quote
     library/cpp/string_utils/scan
-) 
- 
-END() 
+)
+
+END()
diff --git a/library/cpp/charset/ci_string.cpp b/library/cpp/charset/ci_string.cpp
index 9efa3e21cd..6097e40131 100644
--- a/library/cpp/charset/ci_string.cpp
+++ b/library/cpp/charset/ci_string.cpp
@@ -1,41 +1,41 @@
-#include "ci_string.h" 
- 
-int TCiString::compare(const TCiString& s1, const TCiString& s2, const CodePage& cp) { 
+#include "ci_string.h"
+
+int TCiString::compare(const TCiString& s1, const TCiString& s2, const CodePage& cp) {
     return cp.stricmp(s1.data(), s2.data());
-} 
- 
-int TCiString::compare(const char* p, const TCiString& s2, const CodePage& cp) { 
+}
+
+int TCiString::compare(const char* p, const TCiString& s2, const CodePage& cp) {
     return cp.stricmp(p, s2.data());
-} 
- 
-int TCiString::compare(const TCiString& s1, const char* p, const CodePage& cp) { 
+}
+
+int TCiString::compare(const TCiString& s1, const char* p, const CodePage& cp) {
     return cp.stricmp(s1.data(), p);
-} 
- 
+}
+
 int TCiString::compare(const TStringBuf& p1, const TStringBuf& p2, const CodePage& cp) {
     int rv = cp.strnicmp(p1.data(), p2.data(), Min(p1.size(), p2.size()));
     return rv ? rv : p1.size() < p2.size() ? -1 : p1.size() == p2.size() ? 0 : 1;
-} 
- 
+}
+
 bool TCiString::is_prefix(const TStringBuf& what, const TStringBuf& of, const CodePage& cp) {
     size_t len = what.size();
     return len <= of.size() && cp.strnicmp(what.data(), of.data(), len) == 0;
-} 
- 
+}
+
 bool TCiString::is_suffix(const TStringBuf& what, const TStringBuf& of, const CodePage& cp) {
     size_t len = what.size();
     size_t slen = of.size();
     return (len <= slen) && (0 == cp.strnicmp(what.data(), of.data() + slen - len, len));
-} 
- 
-size_t TCiString::hashVal(const char* s, size_t len, const CodePage& cp) { 
-    size_t h = len; 
-    for (; /* (*s) && */ len--; ++s) 
-        h = 5 * h + cp.ToLower(*s); 
-    return h; 
-} 
- 
-template <> 
+}
+
+size_t TCiString::hashVal(const char* s, size_t len, const CodePage& cp) {
+    size_t h = len;
+    for (; /* (*s) && */ len--; ++s)
+        h = 5 * h + cp.ToLower(*s);
+    return h;
+}
+
+template <>
 void Out<TCiString>(IOutputStream& o, const TCiString& p) {
     o.Write(p.data(), p.size());
-} 
+}
diff --git a/library/cpp/charset/ci_string.h b/library/cpp/charset/ci_string.h
index aaa1e5627c..edf24c1b6f 100644
--- a/library/cpp/charset/ci_string.h
+++ b/library/cpp/charset/ci_string.h
@@ -1,280 +1,280 @@
-#pragma once 
- 
-#include "codepage.h" 
- 
-#include <util/generic/string.h> 
-#include <util/str_stl.h> 
- 
-// Same as TString but uses CASE INSENSITIVE comparator and hash. Use with care. 
-class TCiString: public TString { 
-public: 
-    TCiString() { 
-    } 
- 
-    TCiString(const TString& s) 
-        : TString(s) 
-    { 
-    } 
- 
-    TCiString(const TString& s, size_t pos, size_t n) 
-        : TString(s, pos, n) 
-    { 
-    } 
- 
-    TCiString(const char* pc) 
-        : TString(pc) 
-    { 
-    } 
- 
-    TCiString(const char* pc, size_t n) 
-        : TString(pc, n) 
-    { 
-    } 
- 
-    TCiString(const char* pc, size_t pos, size_t n) 
-        : TString(pc, pos, n) 
-    { 
-    } 
- 
-    TCiString(size_t n, char c) 
-        : TString(n, c) 
-    { 
-    } 
- 
-    TCiString(const TUninitialized& uninitialized) 
-        : TString(uninitialized) 
-    { 
-    } 
- 
-    TCiString(const char* b, const char* e) 
-        : TString(b, e) 
-    { 
-    } 
- 
+#pragma once
+
+#include "codepage.h"
+
+#include <util/generic/string.h>
+#include <util/str_stl.h>
+
+// Same as TString but uses CASE INSENSITIVE comparator and hash. Use with care.
+class TCiString: public TString {
+public:
+    TCiString() {
+    }
+
+    TCiString(const TString& s)
+        : TString(s)
+    {
+    }
+
+    TCiString(const TString& s, size_t pos, size_t n)
+        : TString(s, pos, n)
+    {
+    }
+
+    TCiString(const char* pc)
+        : TString(pc)
+    {
+    }
+
+    TCiString(const char* pc, size_t n)
+        : TString(pc, n)
+    {
+    }
+
+    TCiString(const char* pc, size_t pos, size_t n)
+        : TString(pc, pos, n)
+    {
+    }
+
+    TCiString(size_t n, char c)
+        : TString(n, c)
+    {
+    }
+
+    TCiString(const TUninitialized& uninitialized)
+        : TString(uninitialized)
+    {
+    }
+
+    TCiString(const char* b, const char* e)
+        : TString(b, e)
+    {
+    }
+
     explicit TCiString(const TStringBuf& s)
-        : TString(s) 
-    { 
-    } 
- 
-    // ~~~ Comparison ~~~ : FAMILY0(int, compare) 
-    static int compare(const TCiString& s1, const TCiString& s2, const CodePage& cp = csYandex); 
-    static int compare(const char* p, const TCiString& s2, const CodePage& cp = csYandex); 
-    static int compare(const TCiString& s1, const char* p, const CodePage& cp = csYandex); 
+        : TString(s)
+    {
+    }
+
+    // ~~~ Comparison ~~~ : FAMILY0(int, compare)
+    static int compare(const TCiString& s1, const TCiString& s2, const CodePage& cp = csYandex);
+    static int compare(const char* p, const TCiString& s2, const CodePage& cp = csYandex);
+    static int compare(const TCiString& s1, const char* p, const CodePage& cp = csYandex);
     static int compare(const TStringBuf& p1, const TStringBuf& p2, const CodePage& cp = csYandex);
- 
+
     // TODO: implement properly in TString via enum ECaseSensitivity
     static bool is_prefix(const TStringBuf& what, const TStringBuf& of, const CodePage& cp = csYandex);
     static bool is_suffix(const TStringBuf& what, const TStringBuf& of, const CodePage& cp = csYandex);
- 
+
     bool StartsWith(const TStringBuf& s, const CodePage& cp = csYandex) const {
-        return is_prefix(s, *this, cp); 
-    } 
- 
+        return is_prefix(s, *this, cp);
+    }
+
     bool EndsWith(const TStringBuf& s, const CodePage& cp = csYandex) const {
-        return is_suffix(s, *this, cp); 
-    } 
- 
-    friend bool operator==(const TCiString& s1, const TCiString& s2) { 
-        return TCiString::compare(s1, s2) == 0; 
-    } 
- 
-    friend bool operator==(const TCiString& s, const char* pc) { 
-        return TCiString::compare(s, pc) == 0; 
-    } 
- 
-    friend bool operator==(const char* pc, const TCiString& s) { 
-        return TCiString::compare(pc, s) == 0; 
-    } 
- 
-    template <typename TDerived2, typename TTraits2> 
-    friend bool operator==(const TCiString& s, const TStringBase<TDerived2, TChar, TTraits2>& pc) { 
-        return TCiString::compare(s, pc) == 0; 
-    } 
- 
-    template <typename TDerived2, typename TTraits2> 
-    friend bool operator==(const TStringBase<TDerived2, TChar, TTraits2>& pc, const TCiString& s) { 
-        return TCiString::compare(pc, s) == 0; 
-    } 
- 
-    friend bool operator!=(const TCiString& s1, const TCiString& s2) { 
-        return TCiString::compare(s1, s2) != 0; 
-    } 
- 
-    friend bool operator!=(const TCiString& s, const char* pc) { 
-        return TCiString::compare(s, pc) != 0; 
-    } 
- 
-    friend bool operator!=(const char* pc, const TCiString& s) { 
-        return TCiString::compare(pc, s) != 0; 
-    } 
- 
-    template <typename TDerived2, typename TTraits2> 
-    friend bool operator!=(const TCiString& s, const TStringBase<TDerived2, TChar, TTraits2>& pc) { 
-        return TCiString::compare(s, pc) != 0; 
-    } 
- 
-    template <typename TDerived2, typename TTraits2> 
-    friend bool operator!=(const TStringBase<TDerived2, TChar, TTraits2>& pc, const TCiString& s) { 
-        return TCiString::compare(pc, s) != 0; 
-    } 
- 
-    friend bool operator<(const TCiString& s1, const TCiString& s2) { 
-        return TCiString::compare(s1, s2) < 0; 
-    } 
- 
-    friend bool operator<(const TCiString& s, const char* pc) { 
-        return TCiString::compare(s, pc) < 0; 
-    } 
- 
-    friend bool operator<(const char* pc, const TCiString& s) { 
-        return TCiString::compare(pc, s) < 0; 
-    } 
- 
-    template <typename TDerived2, typename TTraits2> 
-    friend bool operator<(const TCiString& s, const TStringBase<TDerived2, TChar, TTraits2>& pc) { 
-        return TCiString::compare(s, pc) < 0; 
-    } 
- 
-    template <typename TDerived2, typename TTraits2> 
-    friend bool operator<(const TStringBase<TDerived2, TChar, TTraits2>& pc, const TCiString& s) { 
-        return TCiString::compare(pc, s) < 0; 
-    } 
- 
-    friend bool operator<=(const TCiString& s1, const TCiString& s2) { 
-        return TCiString::compare(s1, s2) <= 0; 
-    } 
- 
-    friend bool operator<=(const TCiString& s, const char* pc) { 
-        return TCiString::compare(s, pc) <= 0; 
-    } 
- 
-    friend bool operator<=(const char* pc, const TCiString& s) { 
-        return TCiString::compare(pc, s) <= 0; 
-    } 
- 
-    template <typename TDerived2, typename TTraits2> 
-    friend bool operator<=(const TCiString& s, const TStringBase<TDerived2, TChar, TTraits2>& pc) { 
-        return TCiString::compare(s, pc) <= 0; 
-    } 
- 
-    template <typename TDerived2, typename TTraits2> 
-    friend bool operator<=(const TStringBase<TDerived2, TChar, TTraits2>& pc, const TCiString& s) { 
-        return TCiString::compare(pc, s) <= 0; 
-    } 
- 
-    friend bool operator>(const TCiString& s1, const TCiString& s2) { 
-        return TCiString::compare(s1, s2) > 0; 
-    } 
- 
-    friend bool operator>(const TCiString& s, const char* pc) { 
-        return TCiString::compare(s, pc) > 0; 
-    } 
- 
-    friend bool operator>(const char* pc, const TCiString& s) { 
-        return TCiString::compare(pc, s) > 0; 
-    } 
- 
-    template <typename TDerived2, typename TTraits2> 
-    friend bool operator>(const TCiString& s, const TStringBase<TDerived2, TChar, TTraits2>& pc) noexcept { 
-        return TCiString::compare(s, pc) > 0; 
-    } 
- 
-    template <typename TDerived2, typename TTraits2> 
-    friend bool operator>(const TStringBase<TDerived2, TChar, TTraits2>& pc, const TCiString& s) noexcept { 
-        return TCiString::compare(pc, s) > 0; 
-    } 
- 
-    friend bool operator>=(const TCiString& s1, const TCiString& s2) { 
-        return TCiString::compare(s1, s2) >= 0; 
-    } 
- 
-    friend bool operator>=(const TCiString& s, const char* pc) { 
-        return TCiString::compare(s, pc) >= 0; 
-    } 
- 
-    friend bool operator>=(const char* pc, const TCiString& s) { 
-        return TCiString::compare(pc, s) >= 0; 
-    } 
- 
-    template <typename TDerived2, typename TTraits2> 
-    friend bool operator>=(const TCiString& s, const TStringBase<TDerived2, TChar, TTraits2>& pc) { 
-        return TCiString::compare(s, pc) >= 0; 
-    } 
- 
-    template <typename TDerived2, typename TTraits2> 
-    friend bool operator>=(const TStringBase<TDerived2, TChar, TTraits2>& pc, const TCiString& s) { 
-        return TCiString::compare(pc, s) >= 0; 
-    } 
- 
-    static size_t hashVal(const char* pc, size_t len, const CodePage& cp = csYandex); 
- 
-    size_t hash() const { 
+        return is_suffix(s, *this, cp);
+    }
+
+    friend bool operator==(const TCiString& s1, const TCiString& s2) {
+        return TCiString::compare(s1, s2) == 0;
+    }
+
+    friend bool operator==(const TCiString& s, const char* pc) {
+        return TCiString::compare(s, pc) == 0;
+    }
+
+    friend bool operator==(const char* pc, const TCiString& s) {
+        return TCiString::compare(pc, s) == 0;
+    }
+
+    template <typename TDerived2, typename TTraits2>
+    friend bool operator==(const TCiString& s, const TStringBase<TDerived2, TChar, TTraits2>& pc) {
+        return TCiString::compare(s, pc) == 0;
+    }
+
+    template <typename TDerived2, typename TTraits2>
+    friend bool operator==(const TStringBase<TDerived2, TChar, TTraits2>& pc, const TCiString& s) {
+        return TCiString::compare(pc, s) == 0;
+    }
+
+    friend bool operator!=(const TCiString& s1, const TCiString& s2) {
+        return TCiString::compare(s1, s2) != 0;
+    }
+
+    friend bool operator!=(const TCiString& s, const char* pc) {
+        return TCiString::compare(s, pc) != 0;
+    }
+
+    friend bool operator!=(const char* pc, const TCiString& s) {
+        return TCiString::compare(pc, s) != 0;
+    }
+
+    template <typename TDerived2, typename TTraits2>
+    friend bool operator!=(const TCiString& s, const TStringBase<TDerived2, TChar, TTraits2>& pc) {
+        return TCiString::compare(s, pc) != 0;
+    }
+
+    template <typename TDerived2, typename TTraits2>
+    friend bool operator!=(const TStringBase<TDerived2, TChar, TTraits2>& pc, const TCiString& s) {
+        return TCiString::compare(pc, s) != 0;
+    }
+
+    friend bool operator<(const TCiString& s1, const TCiString& s2) {
+        return TCiString::compare(s1, s2) < 0;
+    }
+
+    friend bool operator<(const TCiString& s, const char* pc) {
+        return TCiString::compare(s, pc) < 0;
+    }
+
+    friend bool operator<(const char* pc, const TCiString& s) {
+        return TCiString::compare(pc, s) < 0;
+    }
+
+    template <typename TDerived2, typename TTraits2>
+    friend bool operator<(const TCiString& s, const TStringBase<TDerived2, TChar, TTraits2>& pc) {
+        return TCiString::compare(s, pc) < 0;
+    }
+
+    template <typename TDerived2, typename TTraits2>
+    friend bool operator<(const TStringBase<TDerived2, TChar, TTraits2>& pc, const TCiString& s) {
+        return TCiString::compare(pc, s) < 0;
+    }
+
+    friend bool operator<=(const TCiString& s1, const TCiString& s2) {
+        return TCiString::compare(s1, s2) <= 0;
+    }
+
+    friend bool operator<=(const TCiString& s, const char* pc) {
+        return TCiString::compare(s, pc) <= 0;
+    }
+
+    friend bool operator<=(const char* pc, const TCiString& s) {
+        return TCiString::compare(pc, s) <= 0;
+    }
+
+    template <typename TDerived2, typename TTraits2>
+    friend bool operator<=(const TCiString& s, const TStringBase<TDerived2, TChar, TTraits2>& pc) {
+        return TCiString::compare(s, pc) <= 0;
+    }
+
+    template <typename TDerived2, typename TTraits2>
+    friend bool operator<=(const TStringBase<TDerived2, TChar, TTraits2>& pc, const TCiString& s) {
+        return TCiString::compare(pc, s) <= 0;
+    }
+
+    friend bool operator>(const TCiString& s1, const TCiString& s2) {
+        return TCiString::compare(s1, s2) > 0;
+    }
+
+    friend bool operator>(const TCiString& s, const char* pc) {
+        return TCiString::compare(s, pc) > 0;
+    }
+
+    friend bool operator>(const char* pc, const TCiString& s) {
+        return TCiString::compare(pc, s) > 0;
+    }
+
+    template <typename TDerived2, typename TTraits2>
+    friend bool operator>(const TCiString& s, const TStringBase<TDerived2, TChar, TTraits2>& pc) noexcept {
+        return TCiString::compare(s, pc) > 0;
+    }
+
+    template <typename TDerived2, typename TTraits2>
+    friend bool operator>(const TStringBase<TDerived2, TChar, TTraits2>& pc, const TCiString& s) noexcept {
+        return TCiString::compare(pc, s) > 0;
+    }
+
+    friend bool operator>=(const TCiString& s1, const TCiString& s2) {
+        return TCiString::compare(s1, s2) >= 0;
+    }
+
+    friend bool operator>=(const TCiString& s, const char* pc) {
+        return TCiString::compare(s, pc) >= 0;
+    }
+
+    friend bool operator>=(const char* pc, const TCiString& s) {
+        return TCiString::compare(pc, s) >= 0;
+    }
+
+    template <typename TDerived2, typename TTraits2>
+    friend bool operator>=(const TCiString& s, const TStringBase<TDerived2, TChar, TTraits2>& pc) {
+        return TCiString::compare(s, pc) >= 0;
+    }
+
+    template <typename TDerived2, typename TTraits2>
+    friend bool operator>=(const TStringBase<TDerived2, TChar, TTraits2>& pc, const TCiString& s) {
+        return TCiString::compare(pc, s) >= 0;
+    }
+
+    static size_t hashVal(const char* pc, size_t len, const CodePage& cp = csYandex);
+
+    size_t hash() const {
         return TCiString::hashVal(data(), length());
-    } 
-}; 
- 
-struct ci_hash { 
-    inline size_t operator()(const char* s) const { 
-        return TCiString::hashVal(s, strlen(s)); 
-    } 
+    }
+};
+
+struct ci_hash {
+    inline size_t operator()(const char* s) const {
+        return TCiString::hashVal(s, strlen(s));
+    }
     inline size_t operator()(const TStringBuf& s) const {
         return TCiString::hashVal(s.data(), s.size());
-    } 
-}; 
- 
-struct ci_hash32 { // not the same as ci_hash under 64-bit 
-    inline ui32 operator()(const char* s) const { 
-        return (ui32)TCiString::hashVal(s, strlen(s)); 
-    } 
-}; 
- 
-//template <class T> struct hash; 
- 
-template <> 
-struct hash<TCiString>: public ci_hash { 
-}; 
- 
-template <class T> 
-struct TCIHash { 
-}; 
- 
-template <> 
-struct TCIHash<const char*> { 
+    }
+};
+
+struct ci_hash32 { // not the same as ci_hash under 64-bit
+    inline ui32 operator()(const char* s) const {
+        return (ui32)TCiString::hashVal(s, strlen(s));
+    }
+};
+
+//template <class T> struct hash;
+
+template <>
+struct hash<TCiString>: public ci_hash {
+};
+
+template <class T>
+struct TCIHash {
+};
+
+template <>
+struct TCIHash<const char*> {
     inline size_t operator()(const TStringBuf& s) const {
         return TCiString::hashVal(s.data(), s.size());
-    } 
-}; 
- 
-template <> 
-struct TCIHash<TStringBuf> { 
-    inline size_t operator()(const TStringBuf& s) const { 
+    }
+};
+
+template <>
+struct TCIHash<TStringBuf> {
+    inline size_t operator()(const TStringBuf& s) const {
         return TCiString::hashVal(s.data(), s.size());
-    } 
-}; 
- 
-template <> 
-struct TCIHash<TString> { 
-    inline size_t operator()(const TString& s) const { 
+    }
+};
+
+template <>
+struct TCIHash<TString> {
+    inline size_t operator()(const TString& s) const {
         return TCiString::hashVal(s.data(), s.size());
-    } 
-}; 
- 
-struct ci_less { 
-    inline bool operator()(const char* x, const char* y) const { 
-        return csYandex.stricmp(x, y) < 0; 
-    } 
-}; 
- 
-struct ci_equal_to { 
-    inline bool operator()(const char* x, const char* y) const { 
-        return csYandex.stricmp(x, y) == 0; 
-    } 
-    // this implementation is not suitable for strings with zero characters inside, sorry 
+    }
+};
+
+struct ci_less {
+    inline bool operator()(const char* x, const char* y) const {
+        return csYandex.stricmp(x, y) < 0;
+    }
+};
+
+struct ci_equal_to {
+    inline bool operator()(const char* x, const char* y) const {
+        return csYandex.stricmp(x, y) == 0;
+    }
+    // this implementation is not suitable for strings with zero characters inside, sorry
     bool operator()(const TStringBuf& x, const TStringBuf& y) const {
         return x.size() == y.size() && csYandex.strnicmp(x.data(), y.data(), y.size()) == 0;
-    } 
-}; 
- 
-template <> 
-struct TEqualTo<TCiString>: public ci_equal_to { 
-}; 
+    }
+};
+
+template <>
+struct TEqualTo<TCiString>: public ci_equal_to {
+};
diff --git a/library/cpp/charset/ci_string_ut.cpp b/library/cpp/charset/ci_string_ut.cpp
index 693427184d..3d2a53d5fe 100644
--- a/library/cpp/charset/ci_string_ut.cpp
+++ b/library/cpp/charset/ci_string_ut.cpp
@@ -1,23 +1,23 @@
-#include "ci_string.h" 
- 
+#include "ci_string.h"
+
 #include <util/generic/hash.h>
-#include <util/generic/string_ut.h> 
- 
-class TCaseStringTest: public TTestBase, private TStringTestImpl<TCiString, TTestData<char>> { 
-public: 
-    void TestSpecial() { 
-        TCiString ss = Data._0123456(); // type 'TCiString' is used as is 
+#include <util/generic/string_ut.h>
+
+class TCaseStringTest: public TTestBase, private TStringTestImpl<TCiString, TTestData<char>> {
+public:
+    void TestSpecial() {
+        TCiString ss = Data._0123456(); // type 'TCiString' is used as is
         size_t hash_val = ComputeHash(ss);
-        UNIT_ASSERT(hash_val == 1489244); 
-    } 
- 
-public: 
-    UNIT_TEST_SUITE(TCaseStringTest); 
-    UNIT_TEST(TestOperators); 
-    UNIT_TEST(TestOperatorsCI); 
- 
-    UNIT_TEST(TestSpecial); 
-    UNIT_TEST_SUITE_END(); 
-}; 
- 
-UNIT_TEST_SUITE_REGISTRATION(TCaseStringTest); 
+        UNIT_ASSERT(hash_val == 1489244);
+    }
+
+public:
+    UNIT_TEST_SUITE(TCaseStringTest);
+    UNIT_TEST(TestOperators);
+    UNIT_TEST(TestOperatorsCI);
+
+    UNIT_TEST(TestSpecial);
+    UNIT_TEST_SUITE_END();
+};
+
+UNIT_TEST_SUITE_REGISTRATION(TCaseStringTest);
diff --git a/library/cpp/charset/codepage.cpp b/library/cpp/charset/codepage.cpp
index 43c0650970..0431bef31b 100644
--- a/library/cpp/charset/codepage.cpp
+++ b/library/cpp/charset/codepage.cpp
@@ -1,4 +1,4 @@
-#include "ci_string.h" 
+#include "ci_string.h"
 #include "wide.h"
 #include "recyr.hh"
 #include "codepage.h"
@@ -9,7 +9,7 @@
 #include <util/system/hi_lo.h>
 #include <util/system/yassert.h>
 #include <util/generic/hash.h>
-#include <util/generic/string.h> 
+#include <util/generic/string.h>
 #include <util/generic/vector.h>
 #include <util/generic/hash_set.h>
 #include <util/generic/singleton.h>
@@ -128,13 +128,13 @@ const NCodepagePrivate::TCodepagesMap& NCodepagePrivate::TCodepagesMap::Instance
 
 class TCodePageHash {
 private:
-    using TData = THashMap<TStringBuf, ECharset, ci_hash, ci_equal_to>; 
+    using TData = THashMap<TStringBuf, ECharset, ci_hash, ci_equal_to>;
 
     TData Data;
     TMemoryPool Pool;
 
 private:
-    inline void AddNameWithCheck(const TString& name, ECharset code) { 
+    inline void AddNameWithCheck(const TString& name, ECharset code) {
         if (Data.find(name.c_str()) == Data.end()) {
             Data.insert(TData::value_type(Pool.Append(name.data(), name.size() + 1), code));
         } else {
@@ -142,10 +142,10 @@ private:
         }
     }
 
-    inline void AddName(const TString& name, ECharset code) { 
+    inline void AddName(const TString& name, ECharset code) {
         AddNameWithCheck(name, code);
 
-        TString temp = name; 
+        TString temp = name;
         RemoveAll(temp, '-');
         RemoveAll(temp, '_');
         AddNameWithCheck(temp, code);
@@ -163,7 +163,7 @@ public:
     inline TCodePageHash()
         : Pool(20 * 1024) /* Currently used: 17KB. */
     {
-        TString xPrefix = "x-"; 
+        TString xPrefix = "x-";
         const char* name;
 
         for (size_t i = 0; i != CODES_MAX; ++i) {
@@ -285,7 +285,7 @@ void DoDecodeUnknownPlane(TxChar* str, TxChar*& ee, const ECharset enc) {
         TxChar* s = str;
         TxChar* d = str;
 
-        TVector<char> buf; 
+        TVector<char> buf;
 
         size_t read = 0;
         size_t written = 0;
@@ -319,19 +319,19 @@ void DecodeUnknownPlane(wchar32* str, wchar32*& ee, const ECharset enc) {
 }
 
 namespace {
-    class THashSetType: public THashSet<TString> { 
+    class THashSetType: public THashSet<TString> {
     public:
-        inline void Add(const TString& s) { 
+        inline void Add(const TString& s) {
             insert(s);
         }
 
-        inline bool Has(const TString& s) const noexcept { 
+        inline bool Has(const TString& s) const noexcept {
             return find(s) != end();
         }
     };
 }
 
-class TWindowsPrefixesHashSet: public THashSetType { 
+class TWindowsPrefixesHashSet: public THashSetType {
 public:
     inline TWindowsPrefixesHashSet() {
         Add("win");
@@ -345,7 +345,7 @@ public:
     }
 };
 
-class TCpPrefixesHashSet: public THashSetType { 
+class TCpPrefixesHashSet: public THashSetType {
 public:
     inline TCpPrefixesHashSet() {
         Add("microsoft");
@@ -354,7 +354,7 @@ public:
     }
 };
 
-class TIsoPrefixesHashSet: public THashSetType { 
+class TIsoPrefixesHashSet: public THashSetType {
 public:
     inline TIsoPrefixesHashSet() {
         Add("iso");
@@ -363,7 +363,7 @@ public:
     }
 };
 
-class TLatinToIsoHash: public THashMap<const char*, TString, ci_hash, ci_equal_to> { 
+class TLatinToIsoHash: public THashMap<const char*, TString, ci_hash, ci_equal_to> {
 public:
     inline TLatinToIsoHash() {
         insert(value_type("latin1", "iso-8859-1"));
@@ -379,12 +379,12 @@ public:
     }
 };
 
-static inline void NormalizeEncodingPrefixes(TString& enc) { 
+static inline void NormalizeEncodingPrefixes(TString& enc) {
     size_t preflen = enc.find_first_of("0123456789");
-    if (preflen == TString::npos) 
+    if (preflen == TString::npos)
         return;
 
-    TString prefix = enc.substr(0, preflen); 
+    TString prefix = enc.substr(0, preflen);
     for (size_t i = 0; i < prefix.length(); ++i) {
         if (prefix[i] == '-') {
             prefix.remove(i--);
@@ -410,7 +410,7 @@ static inline void NormalizeEncodingPrefixes(TString& enc) {
 
     if (Singleton<TIsoPrefixesHashSet>()->Has(prefix)) {
         if (enc.length() == preflen + 1 || enc.length() == preflen + 2) {
-            TString enccopy = enc.substr(preflen); 
+            TString enccopy = enc.substr(preflen);
             enccopy.prepend("latin");
             const TLatinToIsoHash* latinhash = Singleton<TLatinToIsoHash>();
             TLatinToIsoHash::const_iterator it = latinhash->find(enccopy.data());
@@ -425,7 +425,7 @@ static inline void NormalizeEncodingPrefixes(TString& enc) {
     }
 }
 
-class TEncodingNamesHashSet: public THashSetType { 
+class TEncodingNamesHashSet: public THashSetType {
 public:
     TEncodingNamesHashSet() {
         Add("iso-8859-1");
@@ -492,7 +492,7 @@ ECharset EncodingHintByName(const char* encname) {
         --lastpos;
 
     // Do some normalization
-    TString enc(encname, lastpos - encname + 1); 
+    TString enc(encname, lastpos - encname + 1);
     enc.to_lower();
     for (char* p = enc.begin(); p != enc.end(); ++p) {
         if (*p == ' ' || *p == '=' || *p == '_')
diff --git a/library/cpp/charset/codepage.h b/library/cpp/charset/codepage.h
index 8af579bdb5..30a02a4610 100644
--- a/library/cpp/charset/codepage.h
+++ b/library/cpp/charset/codepage.h
@@ -5,7 +5,7 @@
 #include <util/charset/recode_result.h>
 #include <util/charset/unidata.h> // all wchar32 functions
 #include <util/charset/utf8.h>
-#include <util/generic/string.h> 
+#include <util/generic/string.h>
 #include <util/generic/ylimits.h>
 #include <util/generic/yexception.h>
 #include <util/system/yassert.h>
@@ -303,17 +303,17 @@ inline void ToUpper(char* s, size_t n, const CodePage& cp = csYandex) {
         *s = cp.ToUpper(*s);
 }
 
-inline TString ToLower(TString s, const CodePage& cp, size_t pos = 0, size_t n = TString::npos) { 
+inline TString ToLower(TString s, const CodePage& cp, size_t pos = 0, size_t n = TString::npos) {
     s.Transform([&cp](size_t, char c) { return cp.ToLower(c); }, pos, n);
     return s;
 }
 
-inline TString ToUpper(TString s, const CodePage& cp, size_t pos = 0, size_t n = TString::npos) { 
+inline TString ToUpper(TString s, const CodePage& cp, size_t pos = 0, size_t n = TString::npos) {
     s.Transform([&cp](size_t, char c) { return cp.ToUpper(c); }, pos, n);
     return s;
 }
 
-inline TString ToTitle(TString s, const CodePage& cp, size_t pos = 0, size_t n = TString::npos) { 
+inline TString ToTitle(TString s, const CodePage& cp, size_t pos = 0, size_t n = TString::npos) {
     s.Transform(
         [pos, &cp](size_t i, char c) {
             return i == pos ? cp.ToTitle(c) : cp.ToLower(c);
diff --git a/library/cpp/charset/codepage_ut.cpp b/library/cpp/charset/codepage_ut.cpp
index 9015535324..c3ac3ac478 100644
--- a/library/cpp/charset/codepage_ut.cpp
+++ b/library/cpp/charset/codepage_ut.cpp
@@ -253,7 +253,7 @@ void TCodepageTest::TestUTFFromUnknownPlane() {
 
     // test TChar version
     // bytebuffer of len writtenbytes contains sampletext of len samplelen chars in utf8
-    TUtf16String wtr = CharToWide(TStringBuf(bytebuffer, writtenbytes), CODES_UNKNOWNPLANE); 
+    TUtf16String wtr = CharToWide(TStringBuf(bytebuffer, writtenbytes), CODES_UNKNOWNPLANE);
     TChar* strend = wtr.begin() + wtr.size();
     DecodeUnknownPlane(wtr.begin(), strend, CODES_UTF8);
     wtr.resize(strend - wtr.data(), 'Q');
diff --git a/library/cpp/charset/iconv_ut.cpp b/library/cpp/charset/iconv_ut.cpp
index eb6a0f64e0..e8c56f6d49 100644
--- a/library/cpp/charset/iconv_ut.cpp
+++ b/library/cpp/charset/iconv_ut.cpp
@@ -4,13 +4,13 @@
 
 #include <library/cpp/testing/unittest/registar.h>
 
-static void TestIconv(const TString& utf8, const TString& other, ECharset enc) { 
-    TUtf16String wide0 = CharToWide(utf8, CODES_UTF8); 
-    TUtf16String wide1 = CharToWide(other, enc); 
+static void TestIconv(const TString& utf8, const TString& other, ECharset enc) {
+    TUtf16String wide0 = CharToWide(utf8, CODES_UTF8);
+    TUtf16String wide1 = CharToWide(other, enc);
 
     UNIT_ASSERT(wide0 == wide1);
 
-    TString temp = WideToUTF8(wide0); 
+    TString temp = WideToUTF8(wide0);
     UNIT_ASSERT(temp == utf8);
 
     temp = WideToChar(wide0, enc);
diff --git a/library/cpp/charset/recyr.hh b/library/cpp/charset/recyr.hh
index e0af996ae9..5ec8734bcf 100644
--- a/library/cpp/charset/recyr.hh
+++ b/library/cpp/charset/recyr.hh
@@ -110,7 +110,7 @@ inline RECODE_RESULT Recode(ECharset from, ECharset to, const char* in, char* ou
  * @return false if conversion was not attempted (charsets were the same),
  *         true if successful
  */
-inline bool Recode(ECharset from, ECharset to, const TStringBuf& in, TString& out) { 
+inline bool Recode(ECharset from, ECharset to, const TStringBuf& in, TString& out) {
     if (to == from)
         return false;
 
@@ -132,23 +132,23 @@ inline bool Recode(ECharset from, ECharset to, const TStringBuf& in, TString& ou
 }
 
 ///////////////////////////////////////////////////////////////////////////////////////
-//     TString -> TString                                                              // 
+//     TString -> TString                                                              //
 ///////////////////////////////////////////////////////////////////////////////////////
-inline TString Recode(ECharset from, ECharset to, const TString& in) { 
-    TString out; 
+inline TString Recode(ECharset from, ECharset to, const TString& in) {
+    TString out;
     return to != from && Recode(from, to, in, out) ? out : in;
 }
-inline TString RecodeToYandex(ECharset from, const TString& in) { 
+inline TString RecodeToYandex(ECharset from, const TString& in) {
     return Recode(from, CODES_YANDEX, in);
 }
-inline TString RecodeFromYandex(ECharset to, const TString& in) { 
+inline TString RecodeFromYandex(ECharset to, const TString& in) {
     return Recode(CODES_YANDEX, to, in);
 }
 
-inline TString RecodeToHTMLEntities(ECharset from, const TString& in) { 
+inline TString RecodeToHTMLEntities(ECharset from, const TString& in) {
     RECODE_RESULT res;
     size_t outWritten, inRead;
-    TString out; 
+    TString out;
     out.resize(in.length() * (4 + 4));
     res = NCodepagePrivate::_recodeToHTMLEntities(from, in.c_str(), out.begin(), in.length(), out.length(), inRead, outWritten);
     if (res == RECODE_EOOUTPUT) { //input contains many 8-byte characters?
diff --git a/library/cpp/charset/recyr_int.hh b/library/cpp/charset/recyr_int.hh
index 61239206bc..353af53305 100644
--- a/library/cpp/charset/recyr_int.hh
+++ b/library/cpp/charset/recyr_int.hh
@@ -3,7 +3,7 @@
 #include <util/charset/recode_result.h>
 #include <util/charset/utf8.h>
 #include <util/generic/ptr.h>
-#include <util/generic/string.h> 
+#include <util/generic/string.h>
 #include <util/system/defaults.h>
 
 #include "codepage.h"
diff --git a/library/cpp/charset/wide.h b/library/cpp/charset/wide.h
index 46f7b16d76..32d30e849e 100644
--- a/library/cpp/charset/wide.h
+++ b/library/cpp/charset/wide.h
@@ -7,7 +7,7 @@
 #include <util/charset/unidata.h>
 #include <util/charset/utf8.h>
 #include <util/charset/wide.h>
-#include <util/generic/string.h> 
+#include <util/generic/string.h>
 #include <util/generic/algorithm.h>
 #include <util/generic/yexception.h>
 #include <util/memory/tempbuf.h>
@@ -123,7 +123,7 @@ namespace NDetail {
     struct TRecodeTraits<char> {
         using TCharTo = wchar16;
         using TStringBufTo = TWtringBuf;
-        using TStringTo = TUtf16String; 
+        using TStringTo = TUtf16String;
         enum { ReserveSize = 4 }; // How many TCharFrom characters we should reserve for one TCharTo character in worst case
                                   // Here an unicode character can be converted up to 4 bytes of UTF8
     };
@@ -132,14 +132,14 @@ namespace NDetail {
     struct TRecodeTraits<wchar16> {
         using TCharTo = char;
         using TStringBufTo = TStringBuf;
-        using TStringTo = TString; 
+        using TStringTo = TString;
         enum { ReserveSize = 2 }; // possible surrogate pairs ?
     };
 
     // Operations with destination buffer where recoded string will be written
     template <typename TResult>
     struct TRecodeResultOps {
-        // default implementation will work with TString and TUtf16String - 99% of usage 
+        // default implementation will work with TString and TUtf16String - 99% of usage
         using TResultChar = typename TResult::char_type;
 
         static inline size_t Size(const TResult& dst) {
@@ -223,18 +223,18 @@ inline TStringBuf WideToChar(const TWtringBuf src, TString& dst, ECharset encodi
 }
 
 //! calls either to @c WideToUTF8 or @c WideToChar depending on the encoding type
-inline TString WideToChar(const wchar16* text, size_t len, ECharset enc) { 
+inline TString WideToChar(const wchar16* text, size_t len, ECharset enc) {
     if (NCodepagePrivate::NativeCodepage(enc)) {
         if (enc == CODES_UTF8)
             return WideToUTF8(text, len);
 
-        TString s = TString::Uninitialized(len); 
+        TString s = TString::Uninitialized(len);
         s.remove(WideToChar(text, len, s.begin(), enc));
 
         return s;
     }
 
-    TString s = TString::Uninitialized(len * 3); 
+    TString s = TString::Uninitialized(len * 3);
 
     size_t read = 0;
     size_t written = 0;
@@ -244,15 +244,15 @@ inline TString WideToChar(const wchar16* text, size_t len, ECharset enc) {
     return s;
 }
 
-inline TUtf16String CharToWide(const char* text, size_t len, const CodePage& cp) { 
-    TUtf16String w = TUtf16String::Uninitialized(len); 
+inline TUtf16String CharToWide(const char* text, size_t len, const CodePage& cp) {
+    TUtf16String w = TUtf16String::Uninitialized(len);
     CharToWide(text, len, w.begin(), cp);
     return w;
 }
 
 //! calls either to @c UTF8ToWide or @c CharToWide depending on the encoding type
 template <bool robust>
-inline TUtf16String CharToWide(const char* text, size_t len, ECharset enc) { 
+inline TUtf16String CharToWide(const char* text, size_t len, ECharset enc) {
     if (NCodepagePrivate::NativeCodepage(enc)) {
         if (enc == CODES_UTF8)
             return UTF8ToWide<robust>(text, len);
@@ -260,7 +260,7 @@ inline TUtf16String CharToWide(const char* text, size_t len, ECharset enc) {
         return CharToWide(text, len, *CodePageByCharset(enc));
     }
 
-    TUtf16String w = TUtf16String::Uninitialized(len * 2); 
+    TUtf16String w = TUtf16String::Uninitialized(len * 2);
 
     size_t read = 0;
     size_t written = 0;
@@ -274,8 +274,8 @@ inline TUtf16String CharToWide(const char* text, size_t len, ECharset enc) {
 //! @param text     text to be converted
 //! @param len      length of the text in characters
 //! @param cp       a codepage that is used in case of failed conversion from UTF8
-inline TUtf16String UTF8ToWide(const char* text, size_t len, const CodePage& cp) { 
-    TUtf16String w = TUtf16String::Uninitialized(len); 
+inline TUtf16String UTF8ToWide(const char* text, size_t len, const CodePage& cp) {
+    TUtf16String w = TUtf16String::Uninitialized(len);
     size_t written = 0;
     if (UTF8ToWide(text, len, w.begin(), written))
         w.remove(written);
diff --git a/library/cpp/charset/wide_ut.cpp b/library/cpp/charset/wide_ut.cpp
index 518b885b6c..78947d51ba 100644
--- a/library/cpp/charset/wide_ut.cpp
+++ b/library/cpp/charset/wide_ut.cpp
@@ -32,16 +32,16 @@ namespace {
         "\xd1\x80\xd1\x81\xd1\x82\xd1\x83\xd1\x84\xd1\x85\xd1\x86\xd1\x87"
         "\xd1\x88\xd1\x89\xd1\x8a\xd1\x8b\xd1\x8c\xd1\x8d\xd1\x8e\xd1\x8f";
 
-    TString CreateYandexText() { 
+    TString CreateYandexText() {
         const int len = 256;
         char text[len] = {0};
         for (int i = 0; i < len; ++i) {
             text[i] = static_cast<char>(i);
         }
-        return TString(text, len); 
+        return TString(text, len);
     }
 
-    TUtf16String CreateUnicodeText() { 
+    TUtf16String CreateUnicodeText() {
         const int len = 256;
         wchar16 text[len] = {
             0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, // 0x00 - 0x0F
@@ -65,10 +65,10 @@ namespace {
                 text[i] = static_cast<wchar16>(i + 0x0350); // 0x0410 - 0x044F
             }
         }
-        return TUtf16String(text, len); 
+        return TUtf16String(text, len);
     }
 
-    TString CreateUTF8Text() { 
+    TString CreateUTF8Text() {
         char text[] = {
             '\x00', '\x01', '\x02', '\x03', '\x04', '\x05', '\x06', '\x07', '\x08', '\x09', '\x0a', '\x0b', '\x0c', '\x0d', '\x0e', '\x0f',
             '\x10', '\x11', '\x12', '\x13', '\x14', '\x15', '\x16', '\x17', '\x18', '\x19', '\x1a', '\x1b', '\x1c', '\x1d', '\x1e', '\x1f',
@@ -95,12 +95,12 @@ namespace {
             '\xd0', '\xbf', '\xd1', '\x80', '\xd1', '\x81', '\xd1', '\x82', '\xd1', '\x83', '\xd1', '\x84', '\xd1', '\x85', '\xd1', '\x86',
             '\xd1', '\x87', '\xd1', '\x88', '\xd1', '\x89', '\xd1', '\x8a', '\xd1', '\x8b', '\xd1', '\x8c', '\xd1', '\x8d', '\xd1', '\x8e',
             '\xd1', '\x8f'};
-        return TString(text, Y_ARRAY_SIZE(text)); 
+        return TString(text, Y_ARRAY_SIZE(text));
     }
 
     //! use this function to dump UTF8 text into a file in case of any changes
     //    void DumpUTF8Text() {
-    //        TString s = WideToUTF8(UnicodeText); 
+    //        TString s = WideToUTF8(UnicodeText);
     //        std::ofstream f("utf8.txt");
     //        f << std::hex;
     //        for (int i = 0; i < (int)s.size(); ++i) {
@@ -117,9 +117,9 @@ namespace {
 class TConversionTest: public TTestBase {
 private:
     //! @note every of the text can have zeros in the middle
-    const TString YandexText; 
-    const TUtf16String UnicodeText; 
-    const TString UTF8Text; 
+    const TString YandexText;
+    const TUtf16String UnicodeText;
+    const TString UTF8Text;
 
 private:
     UNIT_TEST_SUITE(TConversionTest);
@@ -171,7 +171,7 @@ UNIT_TEST_SUITE_REGISTRATION(TConversionTest);
     } while (false)
 
 void TConversionTest::TestCharToWide() {
-    TUtf16String w = CharToWide(YandexText, CODES_YANDEX); 
+    TUtf16String w = CharToWide(YandexText, CODES_YANDEX);
 
     UNIT_ASSERT(w.size() == 256);
     UNIT_ASSERT(w.size() == UnicodeText.size());
@@ -182,7 +182,7 @@ void TConversionTest::TestCharToWide() {
 }
 
 void TConversionTest::TestWideToChar() {
-    TString s = WideToChar(UnicodeText, CODES_YANDEX); 
+    TString s = WideToChar(UnicodeText, CODES_YANDEX);
 
     UNIT_ASSERT(s.size() == 256);
     UNIT_ASSERT(s.size() == YandexText.size());
@@ -193,18 +193,18 @@ void TConversionTest::TestWideToChar() {
 }
 
 static void TestSurrogates(const char* str, const wchar16* wide, size_t wideSize, ECharset enc) {
-    TUtf16String w = UTF8ToWide(str); 
+    TUtf16String w = UTF8ToWide(str);
 
     UNIT_ASSERT(w.size() == wideSize);
     UNIT_ASSERT(!memcmp(w.c_str(), wide, wideSize));
 
-    TString s = WideToChar(w, enc); 
+    TString s = WideToChar(w, enc);
 
     UNIT_ASSERT(s == str);
 }
 
 void TConversionTest::TestYandexEncoding() {
-    TUtf16String w = UTF8ToWide(utf8CyrillicAlphabet, strlen(utf8CyrillicAlphabet), csYandex); 
+    TUtf16String w = UTF8ToWide(utf8CyrillicAlphabet, strlen(utf8CyrillicAlphabet), csYandex);
     UNIT_ASSERT(w == wideCyrillicAlphabet);
     w = UTF8ToWide(yandexCyrillicAlphabet, strlen(yandexCyrillicAlphabet), csYandex);
     UNIT_ASSERT(w == wideCyrillicAlphabet);
@@ -217,7 +217,7 @@ void TConversionTest::TestYandexEncoding() {
         const char* yandexNonBMP2 = "ab?n";
         UNIT_ASSERT(yandexNonBMP2 == WideToChar(wNonBMPDummy2, Y_ARRAY_SIZE(wNonBMPDummy2), CODES_YANDEX));
 
-        TString temp; 
+        TString temp;
         temp.resize(Y_ARRAY_SIZE(wNonBMPDummy2));
         size_t read = 0;
         size_t written = 0;
@@ -229,7 +229,7 @@ void TConversionTest::TestYandexEncoding() {
 }
 
 void TConversionTest::TestRecodeIntoString() {
-    TString sYandex(UnicodeText.size() * 4, 'x'); 
+    TString sYandex(UnicodeText.size() * 4, 'x');
     const char* sdata = sYandex.data();
     TStringBuf sres = NDetail::Recode<wchar16>(UnicodeText, sYandex, CODES_YANDEX);
     UNIT_ASSERT(sYandex == YandexText); // same content
@@ -238,7 +238,7 @@ void TConversionTest::TestRecodeIntoString() {
     UNIT_ASSERT(sYandex.size() == sres.size());     // same size
     TEST_WCHAR32(sYandex, UnicodeText, CODES_YANDEX);
 
-    TUtf16String sUnicode; 
+    TUtf16String sUnicode;
     sUnicode.reserve(YandexText.size() * 4);
     const wchar16* wdata = sUnicode.data();
     TWtringBuf wres = NDetail::Recode<char>(YandexText, sUnicode, CODES_YANDEX);
@@ -247,7 +247,7 @@ void TConversionTest::TestRecodeIntoString() {
     UNIT_ASSERT(sUnicode.data() == wres.data());      // same buffer
     UNIT_ASSERT(sUnicode.size() == wres.size());      // same size
 
-    TString sUtf8 = " "; 
+    TString sUtf8 = " ";
     size_t scap = sUtf8.capacity();
     sres = NDetail::Recode<wchar16>(UnicodeText, sUtf8, CODES_UTF8);
     UNIT_ASSERT(sUtf8 == UTF8Text);       // same content
@@ -258,7 +258,7 @@ void TConversionTest::TestRecodeIntoString() {
 
     sUnicode.clear();
     wdata = sUnicode.data();
-    TUtf16String copy = sUnicode; // increase ref-counter 
+    TUtf16String copy = sUnicode; // increase ref-counter
     wres = NDetail::Recode<char>(UTF8Text, sUnicode, CODES_UTF8);
     UNIT_ASSERT(sUnicode == UnicodeText); // same content
 #ifndef TSTRING_IS_STD_STRING
@@ -268,8 +268,8 @@ void TConversionTest::TestRecodeIntoString() {
     UNIT_ASSERT(sUnicode.size() == wres.size());      // same content
 }
 
-static TString GenerateJunk(size_t seed) { 
-    TString res; 
+static TString GenerateJunk(size_t seed) {
+    TString res;
     size_t hash = NumericHash(seed);
     size_t size = hash % 1024;
     res.reserve(size);
@@ -280,8 +280,8 @@ static TString GenerateJunk(size_t seed) {
 
 void TConversionTest::TestRecodeAppend() {
     {
-        TString s1, s2; 
-        NDetail::RecodeAppend<wchar16>(TUtf16String(), s1, CODES_YANDEX); 
+        TString s1, s2;
+        NDetail::RecodeAppend<wchar16>(TUtf16String(), s1, CODES_YANDEX);
         UNIT_ASSERT(s1.empty());
 
         NDetail::RecodeAppend<wchar16>(UnicodeText, s1, CODES_WIN);
@@ -292,7 +292,7 @@ void TConversionTest::TestRecodeAppend() {
         s2 += WideToChar(UnicodeText, CODES_YANDEX);
         UNIT_ASSERT_EQUAL(s1, s2);
 
-        NDetail::RecodeAppend<wchar16>(TUtf16String(), s1, CODES_YANDEX); 
+        NDetail::RecodeAppend<wchar16>(TUtf16String(), s1, CODES_YANDEX);
         UNIT_ASSERT_EQUAL(s1, s2);
 
         NDetail::RecodeAppend<wchar16>(UnicodeText, s1, CODES_UTF8);
@@ -300,7 +300,7 @@ void TConversionTest::TestRecodeAppend() {
         UNIT_ASSERT_EQUAL(s1, s2);
 
         for (size_t i = 0; i < 100; ++i) {
-            TUtf16String junk = CharToWide(GenerateJunk(i), CODES_YANDEX); 
+            TUtf16String junk = CharToWide(GenerateJunk(i), CODES_YANDEX);
             NDetail::RecodeAppend<wchar16>(junk, s1, CODES_UTF8);
             s2 += WideToUTF8(junk);
             UNIT_ASSERT_EQUAL(s1, s2);
@@ -308,8 +308,8 @@ void TConversionTest::TestRecodeAppend() {
     }
 
     {
-        TUtf16String s1, s2; 
-        NDetail::RecodeAppend<char>(TString(), s1, CODES_YANDEX); 
+        TUtf16String s1, s2;
+        NDetail::RecodeAppend<char>(TString(), s1, CODES_YANDEX);
         UNIT_ASSERT(s1.empty());
 
         NDetail::RecodeAppend<char>(YandexText, s1, CODES_WIN);
@@ -320,7 +320,7 @@ void TConversionTest::TestRecodeAppend() {
         s2 += CharToWide(YandexText, CODES_YANDEX);
         UNIT_ASSERT_EQUAL(s1, s2);
 
-        NDetail::RecodeAppend<char>(TString(), s1, CODES_YANDEX); 
+        NDetail::RecodeAppend<char>(TString(), s1, CODES_YANDEX);
         UNIT_ASSERT_EQUAL(s1, s2);
 
         NDetail::RecodeAppend<char>(UTF8Text, s1, CODES_UTF8);
@@ -328,7 +328,7 @@ void TConversionTest::TestRecodeAppend() {
         UNIT_ASSERT_EQUAL(s1, s2);
 
         for (size_t i = 0; i < 100; ++i) {
-            TString junk = GenerateJunk(i); 
+            TString junk = GenerateJunk(i);
             NDetail::RecodeAppend<char>(junk, s1, CODES_YANDEX);
             s2 += CharToWide(junk, CODES_YANDEX);
             UNIT_ASSERT_EQUAL(s1, s2);
@@ -347,7 +347,7 @@ void TConversionTest::TestRecode() {
         if (!SingleByteCodepage(enc))
             continue;
 
-        using THash = THashSet<char>; 
+        using THash = THashSet<char>;
         THash hash;
 
         for (int i = 0; i != 256; ++i) {
diff --git a/library/cpp/charset/ya.make b/library/cpp/charset/ya.make
index 61af7a3243..7565566bf0 100644
--- a/library/cpp/charset/ya.make
+++ b/library/cpp/charset/ya.make
@@ -11,7 +11,7 @@ SRCS(
     iconv.cpp
     recyr.hh
     recyr_int.hh
-    ci_string.cpp 
+    ci_string.cpp
     wide.cpp
 )
 
diff --git a/library/cpp/codecs/codecs_registry.cpp b/library/cpp/codecs/codecs_registry.cpp
index c3a5a9839f..17d07062ab 100644
--- a/library/cpp/codecs/codecs_registry.cpp
+++ b/library/cpp/codecs/codecs_registry.cpp
@@ -16,13 +16,13 @@ namespace NCodecs {
         return Singleton<NPrivate::TCodecRegistry>()->GetCodec(name);
     }
 
-    TVector<TString> ICodec::GetCodecsList() { 
+    TVector<TString> ICodec::GetCodecsList() {
         return Singleton<NPrivate::TCodecRegistry>()->GetCodecsList();
     }
 
     namespace NPrivate {
         void TCodecRegistry::RegisterFactory(TFactoryPtr fac) {
-            TVector<TString> names = fac->ListNames(); 
+            TVector<TString> names = fac->ListNames();
             for (const auto& name : names) {
                 Y_VERIFY(!Registry.contains(name), "already has %s", name.data());
                 Registry[name] = fac;
@@ -51,9 +51,9 @@ namespace NCodecs {
             }
         }
 
-        TVector<TString> TCodecRegistry::GetCodecsList() const { 
+        TVector<TString> TCodecRegistry::GetCodecsList() const {
             using namespace NPrivate;
-            TVector<TString> vs; 
+            TVector<TString> vs;
             vs.push_back("none");
 
             for (const auto& it : Registry) {
@@ -99,8 +99,8 @@ namespace NCodecs {
                 ythrow TNoCodecException(name);
             }
 
-            TVector<TString> ListNames() const override { 
-                TVector<TString> vs; 
+            TVector<TString> ListNames() const override {
+                TVector<TString> vs;
                 vs.push_back(ToString(TSolarCodec::MyName()));
                 vs.push_back(ToString(TSolarCodec::MyName8k()));
                 vs.push_back(ToString(TSolarCodec::MyName16k()));
@@ -122,7 +122,7 @@ namespace NCodecs {
                 return new TZStdDictCodec(TZStdDictCodec::ParseCompressionName(name));
             }
 
-            TVector<TString> ListNames() const override { 
+            TVector<TString> ListNames() const override {
                 return TZStdDictCodec::ListCompressionNames();
             }
         };
@@ -139,8 +139,8 @@ namespace NCodecs {
                 }
             }
 
-            TVector<TString> ListNames() const override { 
-                TVector<TString> vs; 
+            TVector<TString> ListNames() const override {
+                TVector<TString> vs;
                 vs.push_back(ToString(TCompTableCodec::MyNameHQ()));
                 vs.push_back(ToString(TCompTableCodec::MyNameLQ()));
                 return vs;
@@ -155,7 +155,7 @@ namespace NCodecs {
             {
             }
 
-            TString GetName() const override { 
+            TString GetName() const override {
                 return ToString(Codec->Name());
             }
 
@@ -175,7 +175,7 @@ namespace NCodecs {
         };
 
         struct TBlockCodecsFactory : ICodecFactory {
-            using TRegistry = THashMap<TString, TCodecPtr>; 
+            using TRegistry = THashMap<TString, TCodecPtr>;
             TRegistry Registry;
 
             TBlockCodecsFactory() {
@@ -196,8 +196,8 @@ namespace NCodecs {
                 return Registry.find(name)->second;
             }
 
-            TVector<TString> ListNames() const override { 
-                TVector<TString> res; 
+            TVector<TString> ListNames() const override {
+                TVector<TString> res;
                 for (const auto& it : Registry) {
                     res.push_back(it.first);
                 }
diff --git a/library/cpp/codecs/codecs_registry.h b/library/cpp/codecs/codecs_registry.h
index 1c82365d8f..53710310d5 100644
--- a/library/cpp/codecs/codecs_registry.h
+++ b/library/cpp/codecs/codecs_registry.h
@@ -13,7 +13,7 @@ namespace NCodecs {
     struct ICodecFactory : TAtomicRefCount<ICodecFactory> {
         virtual ~ICodecFactory() = default;
         virtual TCodecPtr MakeCodec(TStringBuf name) const = 0;
-        virtual TVector<TString> ListNames() const = 0; 
+        virtual TVector<TString> ListNames() const = 0;
     };
 
     typedef TIntrusivePtr<ICodecFactory> TCodecFactoryPtr;
@@ -25,15 +25,15 @@ namespace NCodecs {
                 return new TCodec;
             }
 
-            TVector<TString> ListNames() const override { 
-                TVector<TString> vs; 
+            TVector<TString> ListNames() const override {
+                TVector<TString> vs;
                 vs.push_back(ToString(TCodec::MyName()));
                 return vs;
             }
         };
 
         class TCodecRegistry {
-            using TRegistry = THashMap<TString, TIntrusivePtr<ICodecFactory>>; 
+            using TRegistry = THashMap<TString, TIntrusivePtr<ICodecFactory>>;
             TRegistry Registry;
 
         public:
@@ -45,7 +45,7 @@ namespace NCodecs {
 
             TCodecPtr GetCodec(TStringBuf name) const;
 
-            TVector<TString> GetCodecsList() const; 
+            TVector<TString> GetCodecsList() const;
         };
 
     }
diff --git a/library/cpp/codecs/comptable_codec.cpp b/library/cpp/codecs/comptable_codec.cpp
index a9ffacf35e..476b8ada80 100644
--- a/library/cpp/codecs/comptable_codec.cpp
+++ b/library/cpp/codecs/comptable_codec.cpp
@@ -22,7 +22,7 @@ namespace NCodecs {
                 return 0;
             }
 
-            TVector<char> result; 
+            TVector<char> result;
             Compressor->Compress(in, &result);
             out.Assign(&result[0], result.size());
             return 0;
@@ -34,7 +34,7 @@ namespace NCodecs {
                 return;
             }
 
-            TVector<char> result; 
+            TVector<char> result;
             Decompressor->Decompress(in, &result);
             out.Assign(&result[0], result.size());
         }
@@ -81,7 +81,7 @@ namespace NCodecs {
 
     TCompTableCodec::~TCompTableCodec() = default;
 
-    TString TCompTableCodec::GetName() const { 
+    TString TCompTableCodec::GetName() const {
         return ToString(Impl->Quality ? MyNameHQ() : MyNameLQ());
     }
 
diff --git a/library/cpp/codecs/greedy_dict/ut/greedy_dict_ut.cpp b/library/cpp/codecs/greedy_dict/ut/greedy_dict_ut.cpp
index 7adf8d4967..679089a11b 100644
--- a/library/cpp/codecs/greedy_dict/ut/greedy_dict_ut.cpp
+++ b/library/cpp/codecs/greedy_dict/ut/greedy_dict_ut.cpp
@@ -125,7 +125,7 @@ class TGreedyDictTest: public TTestBase {
         data.insert(data.begin(), urls, urls + Y_ARRAY_SIZE(urls));
     }
 
-    typedef THashMap<TStringBuf, NGreedyDict::TEntry> TDict; 
+    typedef THashMap<TStringBuf, NGreedyDict::TEntry> TDict;
 
     TAutoPtr<NGreedyDict::TEntrySet> DoTestBuilder(const NGreedyDict::TBuildSettings& s,
                                                    TDict& res) {
@@ -159,7 +159,7 @@ class TGreedyDictTest: public TTestBase {
 
     void TestBuilder() {
         TAutoPtr<NGreedyDict::TEntrySet> set;
-        THashMap<TStringBuf, NGreedyDict::TEntry> res; 
+        THashMap<TStringBuf, NGreedyDict::TEntry> res;
         NGreedyDict::TBuildSettings s;
         set = DoTestBuilder(s, res);
 
diff --git a/library/cpp/codecs/huffman_codec.cpp b/library/cpp/codecs/huffman_codec.cpp
index ff618fd955..650fe7cdfd 100644
--- a/library/cpp/codecs/huffman_codec.cpp
+++ b/library/cpp/codecs/huffman_codec.cpp
@@ -496,10 +496,10 @@ namespace NCodecs {
         : Original(codec)
     {
         CacheEntries.resize(1 << CACHE_BITS_COUNT);
-        DecodeCache.reserve(CacheEntries.size() * 2); 
+        DecodeCache.reserve(CacheEntries.size() * 2);
         char buffer[2];
         TBuffer decoded;
-        for (size_t i = 0; i < CacheEntries.size(); i++) { 
+        for (size_t i = 0; i < CacheEntries.size(); i++) {
             buffer[1] = i >> 8;
             buffer[0] = i;
             NBitIO::TBitInput bin(buffer, buffer + sizeof(buffer));
diff --git a/library/cpp/codecs/sample.h b/library/cpp/codecs/sample.h
index 8aa62c7abd..15f03afcc5 100644
--- a/library/cpp/codecs/sample.h
+++ b/library/cpp/codecs/sample.h
@@ -30,11 +30,11 @@ namespace NCodecs {
 
     template <class TItem>
     class TSimpleSequenceReader: public ISequenceReader {
-        const TVector<TItem>& Items; 
+        const TVector<TItem>& Items;
         size_t Idx = 0;
 
     public:
-        TSimpleSequenceReader(const TVector<TItem>& items) 
+        TSimpleSequenceReader(const TVector<TItem>& items)
             : Items(items)
         {
         }
@@ -64,13 +64,13 @@ namespace NCodecs {
     }
 
     template <class TIter, class TGetter>
-    TVector<TBuffer> GetSample(TIter begin, TIter end, size_t sampleSizeBytes, TGetter getter) { 
+    TVector<TBuffer> GetSample(TIter begin, TIter end, size_t sampleSizeBytes, TGetter getter) {
         TFastRng64 rng{0x1ce1f2e507541a05, 0x07d45659, 0x7b8771030dd9917e, 0x2d6636ce};
 
         size_t totalBytes = GetInputSize(begin, end, getter);
         double sampleProb = (double)sampleSizeBytes / Max<size_t>(1, totalBytes);
 
-        TVector<TBuffer> result; 
+        TVector<TBuffer> result;
         for (TIter iter = begin; iter != end; ++iter) {
             if (sampleProb >= 1 || rng.GenRandReal1() < sampleProb) {
                 TStringBuf reg = getter(iter);
@@ -82,7 +82,7 @@ namespace NCodecs {
     }
 
     template <class TIter>
-    TVector<TBuffer> GetSample(TIter begin, TIter end, size_t sampleSizeBytes) { 
+    TVector<TBuffer> GetSample(TIter begin, TIter end, size_t sampleSizeBytes) {
         return GetSample(begin, end, sampleSizeBytes, IterToStringBuf<TIter>);
     }
 
diff --git a/library/cpp/codecs/static/builder.cpp b/library/cpp/codecs/static/builder.cpp
index 3df19eeedf..93e34a3edb 100644
--- a/library/cpp/codecs/static/builder.cpp
+++ b/library/cpp/codecs/static/builder.cpp
@@ -9,7 +9,7 @@
 #include <util/string/subst.h>
 
 namespace NCodecs {
-    TStaticCodecInfo BuildStaticCodec(const TVector<TString>& trainingData, const TCodecBuildInfo& info) { 
+    TStaticCodecInfo BuildStaticCodec(const TVector<TString>& trainingData, const TCodecBuildInfo& info) {
         TStaticCodecInfo result;
         TCodecPtr codec = ICodec::GetInstance(info.CodecName);
         Y_ENSURE_EX(codec, TCodecException() << "empty codec is not allowed");
@@ -31,8 +31,8 @@ namespace NCodecs {
         return result;
     }
 
-    TString GetStandardFileName(const TStaticCodecInfo& info) { 
-        TString cName = info.GetDebugInfo().GetCodecName(); 
+    TString GetStandardFileName(const TStaticCodecInfo& info) {
+        TString cName = info.GetDebugInfo().GetCodecName();
         SubstGlobal(cName, ':', '.');
         return TStringBuilder() << cName << "." << info.GetDebugInfo().GetTimestamp() << ".codec_info";
     }
diff --git a/library/cpp/codecs/static/builder.h b/library/cpp/codecs/static/builder.h
index f179d77861..d7533be4d5 100644
--- a/library/cpp/codecs/static/builder.h
+++ b/library/cpp/codecs/static/builder.h
@@ -5,25 +5,25 @@
 #include <library/cpp/svnversion/svnversion.h>
 
 #include <util/datetime/base.h>
-#include <util/generic/string.h> 
+#include <util/generic/string.h>
 #include <util/generic/vector.h>
 #include <util/string/builder.h>
 
 namespace NCodecs {
     struct TCodecBuildInfo {
         // optimal values from SEARCH-1655
-        TString CodecName = "solar-8k-a:zstd08d-1"; 
+        TString CodecName = "solar-8k-a:zstd08d-1";
         float SampleSizeMultiplier = 1;
 
         // debug info:
         time_t Timestamp = TInstant::Now().TimeT();
-        TString RevisionInfo = (TStringBuilder() << "r" << ToString(GetProgramSvnRevision())); 
-        TString TrainingSetComment; // a human comment on the training data 
+        TString RevisionInfo = (TStringBuilder() << "r" << ToString(GetProgramSvnRevision()));
+        TString TrainingSetComment; // a human comment on the training data
         TString TrainingSetResId;   // sandbox resid of the training set
     };
 
-    TStaticCodecInfo BuildStaticCodec(const TVector<TString>& trainingData, const TCodecBuildInfo&); 
+    TStaticCodecInfo BuildStaticCodec(const TVector<TString>& trainingData, const TCodecBuildInfo&);
 
-    TString GetStandardFileName(const TStaticCodecInfo&); 
+    TString GetStandardFileName(const TStaticCodecInfo&);
 
 }
diff --git a/library/cpp/codecs/static/common.h b/library/cpp/codecs/static/common.h
index 588975b8de..211de2a27d 100644
--- a/library/cpp/codecs/static/common.h
+++ b/library/cpp/codecs/static/common.h
@@ -12,10 +12,10 @@ namespace NCodecs {
     }
 
     template <class T>
-    TString HexWriteScalar(T t) { 
+    TString HexWriteScalar(T t) {
         static_assert(std::is_scalar<T>::value, "scalars only");
         t = LittleToBig(t);
-        TString res = HexEncode(&t, sizeof(t)); 
+        TString res = HexEncode(&t, sizeof(t));
         res.to_lower();
         return res;
     }
diff --git a/library/cpp/codecs/static/static.cpp b/library/cpp/codecs/static/static.cpp
index 2c84c90d9c..44a07dd73a 100644
--- a/library/cpp/codecs/static/static.cpp
+++ b/library/cpp/codecs/static/static.cpp
@@ -50,7 +50,7 @@ namespace NCodecs {
         return result;
     }
 
-    TString SaveCodecInfoToString(const TStaticCodecInfo& info) { 
+    TString SaveCodecInfoToString(const TStaticCodecInfo& info) {
         TStringStream s;
         SaveCodecInfoToStream(s, info);
         return s.Str();
@@ -61,7 +61,7 @@ namespace NCodecs {
         return LoadCodecInfoFromStream(m);
     }
 
-    TString FormatCodecInfo(const TStaticCodecInfo& ci) { 
+    TString FormatCodecInfo(const TStaticCodecInfo& ci) {
         TStringBuilder s;
         s << "codec name:      " << ci.GetDebugInfo().GetCodecName() << Endl;
         s << "codec hash:      " << HexWriteScalar(ci.GetDebugInfo().GetStoredCodecHash()) << Endl;
@@ -77,7 +77,7 @@ namespace NCodecs {
         return s;
     }
 
-    TString LoadStringFromArchive(const ui8* begin, size_t size) { 
+    TString LoadStringFromArchive(const ui8* begin, size_t size) {
         TArchiveReader ar(TBlob::NoCopy(begin, size));
         Y_VERIFY(ar.Count() == 1, "invalid number of entries");
         auto blob = ar.ObjectBlobByKey(ar.KeyByIndex(0));
diff --git a/library/cpp/codecs/static/static.h b/library/cpp/codecs/static/static.h
index 9a2fa5a1d7..c1eaed2a74 100644
--- a/library/cpp/codecs/static/static.h
+++ b/library/cpp/codecs/static/static.h
@@ -3,7 +3,7 @@
 #include <library/cpp/codecs/codecs.h>
 
 #include <util/generic/strbuf.h>
-#include <util/generic/string.h> 
+#include <util/generic/string.h>
 #include <util/stream/output.h>
 
 namespace NCodecs {
@@ -15,13 +15,13 @@ namespace NCodecs {
 
     TStaticCodecInfo LoadCodecInfoFromString(TStringBuf data);
 
-    TString LoadStringFromArchive(const ui8* begin, size_t size); 
+    TString LoadStringFromArchive(const ui8* begin, size_t size);
 
     TCodecConstPtr RestoreCodecFromArchive(const ui8* begin, size_t size);
 
     // save
 
-    TString SaveCodecInfoToString(const TStaticCodecInfo&); 
+    TString SaveCodecInfoToString(const TStaticCodecInfo&);
 
     void SaveCodecInfoToStream(IOutputStream& out, const TStaticCodecInfo&);
 
@@ -29,6 +29,6 @@ namespace NCodecs {
 
     TStaticCodecInfo LoadCodecInfoFromStream(IInputStream& in);
 
-    TString FormatCodecInfo(const TStaticCodecInfo&); 
+    TString FormatCodecInfo(const TStaticCodecInfo&);
 
 }
diff --git a/library/cpp/codecs/static/tools/common/ct_common.cpp b/library/cpp/codecs/static/tools/common/ct_common.cpp
index ab4a2fac3f..fe77691280 100644
--- a/library/cpp/codecs/static/tools/common/ct_common.cpp
+++ b/library/cpp/codecs/static/tools/common/ct_common.cpp
@@ -9,7 +9,7 @@
 #include <util/system/hp_timer.h>
 
 namespace NCodecs {
-    TString TComprStats::Format(const TStaticCodecInfo& info, bool checkMode) const { 
+    TString TComprStats::Format(const TStaticCodecInfo& info, bool checkMode) const {
         TStringBuilder s;
         s << "raw size/item:      " << RawSizePerRecord() << Endl;
         s << "enc.size/item:      " << EncSizePerRecord() << Endl;
@@ -26,7 +26,7 @@ namespace NCodecs {
         return s;
     }
 
-    TComprStats TestCodec(const ICodec& c, const TVector<TString>& input) { 
+    TComprStats TestCodec(const ICodec& c, const TVector<TString>& input) {
         TComprStats stats;
 
         TBuffer encodeBuffer;
@@ -51,10 +51,10 @@ namespace NCodecs {
         return stats;
     }
 
-    void ParseBlob(TVector<TString>& result, EDataStreamFormat fmt, const TBlob& blob) { 
+    void ParseBlob(TVector<TString>& result, EDataStreamFormat fmt, const TBlob& blob) {
         TStringBuf bin(blob.AsCharPtr(), blob.Size());
         TStringBuf line;
-        TString buffer; 
+        TString buffer;
         while (bin.ReadLine(line)) {
             if (DSF_BASE64_LF == fmt) {
                 Base64Decode(line, buffer);
@@ -67,7 +67,7 @@ namespace NCodecs {
         }
     }
 
-    TBlob GetInputBlob(const TString& dataFile) { 
+    TBlob GetInputBlob(const TString& dataFile) {
         return dataFile && dataFile != "-" ? TBlob::FromFile(dataFile) : TBlob::FromStream(Cin);
     }
 
diff --git a/library/cpp/codecs/static/tools/common/ct_common.h b/library/cpp/codecs/static/tools/common/ct_common.h
index a66c476c3d..9d3dcbda93 100644
--- a/library/cpp/codecs/static/tools/common/ct_common.h
+++ b/library/cpp/codecs/static/tools/common/ct_common.h
@@ -1,6 +1,6 @@
 #pragma once
 
-#include <util/generic/string.h> 
+#include <util/generic/string.h>
 #include <util/generic/vector.h>
 #include <util/memory/blob.h>
 #include <cmath>
@@ -57,10 +57,10 @@ namespace NCodecs {
             return PerRecord((1 - compr) * RawSize);
         }
 
-        TString Format(const TStaticCodecInfo&, bool checkMode) const; 
+        TString Format(const TStaticCodecInfo&, bool checkMode) const;
     };
 
-    TComprStats TestCodec(const ICodec&, const TVector<TString>& data); 
+    TComprStats TestCodec(const ICodec&, const TVector<TString>& data);
 
     enum EDataStreamFormat {
         DSF_NONE,
@@ -68,8 +68,8 @@ namespace NCodecs {
         DSF_BASE64_LF /* "base64" */,
     };
 
-    void ParseBlob(TVector<TString>&, EDataStreamFormat, const TBlob&); 
+    void ParseBlob(TVector<TString>&, EDataStreamFormat, const TBlob&);
 
-    TBlob GetInputBlob(const TString& dataFile); 
+    TBlob GetInputBlob(const TString& dataFile);
 
 }
diff --git a/library/cpp/codecs/static/tools/static_codec_checker/static_codec_checker.cpp b/library/cpp/codecs/static/tools/static_codec_checker/static_codec_checker.cpp
index 1775a07303..9c8d568d82 100644
--- a/library/cpp/codecs/static/tools/static_codec_checker/static_codec_checker.cpp
+++ b/library/cpp/codecs/static/tools/static_codec_checker/static_codec_checker.cpp
@@ -14,7 +14,7 @@
 int main(int argc, char** argv) {
     NCodecs::TCodecPtr codecPtr;
     NCodecs::EDataStreamFormat fmt = NCodecs::DSF_NONE;
-    TString codecFile; 
+    TString codecFile;
     bool testCompression = false;
 
     auto opts = NLastGetopt::TOpts::Default();
@@ -50,7 +50,7 @@ int main(int argc, char** argv) {
 
         Cout << "Reading testing set data ... " << Flush;
 
-        TVector<TString> allData; 
+        TVector<TString> allData;
         for (const auto& freeArg : res.GetFreeArgs()) {
             NCodecs::ParseBlob(allData, fmt, NCodecs::GetInputBlob(freeArg));
         }
diff --git a/library/cpp/codecs/static/tools/static_codec_generator/static_codec_generator.cpp b/library/cpp/codecs/static/tools/static_codec_generator/static_codec_generator.cpp
index c5b4f0fcde..45fdb5c5fe 100644
--- a/library/cpp/codecs/static/tools/static_codec_generator/static_codec_generator.cpp
+++ b/library/cpp/codecs/static/tools/static_codec_generator/static_codec_generator.cpp
@@ -44,7 +44,7 @@ int main(int argc, char** argv) {
     NLastGetopt::TOptsParseResult res(&opts, argc, argv);
 
     Cout << "Reading training set data ... " << Flush;
-    TVector<TString> allData; 
+    TVector<TString> allData;
     for (const auto& freeArg : res.GetFreeArgs()) {
         NCodecs::ParseBlob(allData, fmt, NCodecs::GetInputBlob(freeArg));
     }
@@ -61,7 +61,7 @@ int main(int argc, char** argv) {
     auto codec = NCodecs::BuildStaticCodec(allData, info);
     Cout << "Done" << Endl;
 
-    TString codecName = NCodecs::GetStandardFileName(codec); 
+    TString codecName = NCodecs::GetStandardFileName(codec);
     NCodecs::TCodecPtr codecPtr = NCodecs::ICodec::RestoreFromString(codec.GetStoredCodec());
 
     Cout << "Testing compression ... " << Flush;
@@ -74,7 +74,7 @@ int main(int argc, char** argv) {
 
     Cout << "Saving as " << codecName << " ... " << Flush;
     {
-        TUnbufferedFileOutput fout{codecName}; 
+        TUnbufferedFileOutput fout{codecName};
         NCodecs::SaveCodecInfoToStream(fout, codec);
         fout.Finish();
     }
diff --git a/library/cpp/codecs/static/ut/builder_ut.cpp b/library/cpp/codecs/static/ut/builder_ut.cpp
index e4b207d132..b47c279ed1 100644
--- a/library/cpp/codecs/static/ut/builder_ut.cpp
+++ b/library/cpp/codecs/static/ut/builder_ut.cpp
@@ -9,16 +9,16 @@ class TStaticCodecInfoBuilderTest: public NUnitTest::TTestBase {
     UNIT_TEST_SUITE_END();
 
 private:
-    TVector<TString> PrepareData() { 
-        TVector<TString> data; 
+    TVector<TString> PrepareData() {
+        TVector<TString> data;
         for (ui32 i = 'a'; i <= 'z'; ++i) {
-            data.push_back(TString(1, (char)i)); 
+            data.push_back(TString(1, (char)i));
         }
         return data;
     }
 
     void TestBuild() {
-        TVector<TString> data; 
+        TVector<TString> data;
         NCodecs::TCodecBuildInfo info;
         info.CodecName = "huffman";
         info.SampleSizeMultiplier = 2;
diff --git a/library/cpp/codecs/ut/codecs_ut.cpp b/library/cpp/codecs/ut/codecs_ut.cpp
index 581650a65b..caf6089aef 100644
--- a/library/cpp/codecs/ut/codecs_ut.cpp
+++ b/library/cpp/codecs/ut/codecs_ut.cpp
@@ -872,8 +872,8 @@ class TCodecsTest: public TTestBase {
     UNIT_TEST_SUITE_END();
 
 private:
-    TString PrintError(TStringBuf learn, TStringBuf test, TStringBuf codec, ui32 i) { 
-        TString s; 
+    TString PrintError(TStringBuf learn, TStringBuf test, TStringBuf codec, ui32 i) {
+        TString s;
         TStringOutput sout(s);
         sout << codec << ": " << i << ", "
              << "\n";
@@ -882,7 +882,7 @@ private:
         sout << HexEncode(test.data(), test.size()); //NEscJ::EscapeJ<true>(test, sout);
 
         if (s.Size() > 1536) {
-            TString res = s.substr(0, 512); 
+            TString res = s.substr(0, 512);
             res.append("...<skipped ").append(ToString(s.size() - 1024)).append(">...");
             res.append(s.substr(s.size() - 512));
         }
@@ -895,13 +895,13 @@ private:
     }
 
     template <typename TCodec, bool testsaveload>
-    void TestCodec(const TVector<TBuffer>& inlearn = TVector<TBuffer>(), const TVector<TBuffer>& in = TVector<TBuffer>(), NCodecs::TCodecPtr c = new TCodec) { 
+    void TestCodec(const TVector<TBuffer>& inlearn = TVector<TBuffer>(), const TVector<TBuffer>& in = TVector<TBuffer>(), NCodecs::TCodecPtr c = new TCodec) {
         using namespace NCodecs;
 
         TBuffer buff;
 
         {
-            TVector<TBuffer> out; 
+            TVector<TBuffer> out;
 
             c->Learn(inlearn.begin(), inlearn.end());
 
@@ -973,7 +973,7 @@ private:
 
     void TestDelta() {
         using namespace NCodecs;
-        TVector<TBuffer> d; 
+        TVector<TBuffer> d;
 
         // 1. common case
         d.emplace_back();
@@ -1016,7 +1016,7 @@ private:
     void TestPFor() {
         using namespace NCodecs;
         {
-            TVector<TBuffer> d; 
+            TVector<TBuffer> d;
             d.emplace_back();
             AppendTo(d.back(), -1LL);
             AppendTo(d.back(), -1LL);
@@ -1054,7 +1054,7 @@ private:
             TestCodec<TPForCodec<ui64, true>, true>(d);
         }
         {
-            TVector<TBuffer> d; 
+            TVector<TBuffer> d;
             d.emplace_back();
             AppendTo(d.back(), -1);
             AppendTo(d.back(), -1);
@@ -1084,7 +1084,7 @@ private:
             TestCodec<TPForCodec<ui32, true>, false>(d);
         }
         {
-            TVector<TBuffer> d; 
+            TVector<TBuffer> d;
             d.emplace_back();
             for (auto& textValue : TextValues) {
                 AppendTo(d.back(), (ui32)strlen(textValue));
@@ -1094,7 +1094,7 @@ private:
             TestCodec<TPForCodec<ui32, true>, false>(d);
         }
         {
-            TVector<TBuffer> d; 
+            TVector<TBuffer> d;
             d.emplace_back();
             for (auto& textValue : TextValues) {
                 AppendTo(d.back(), (ui64)strlen(textValue));
@@ -1109,7 +1109,7 @@ private:
     void DoTestSimpleCodec() {
         using namespace NCodecs;
         {
-            TVector<TBuffer> learn; 
+            TVector<TBuffer> learn;
 
             for (auto& textValue : TextValues) {
                 learn.emplace_back(textValue, strlen(textValue));
@@ -1122,11 +1122,11 @@ private:
         }
 
         {
-            TVector<TBuffer> learn; 
+            TVector<TBuffer> learn;
             learn.emplace_back();
             learn.back().Append('a');
 
-            TVector<TBuffer> test; 
+            TVector<TBuffer> test;
             test.emplace_back();
             for (ui32 i = 0; i < 256; ++i) {
                 test.back().Append((ui8)i);
@@ -1136,7 +1136,7 @@ private:
         }
 
         {
-            TVector<TBuffer> learn; 
+            TVector<TBuffer> learn;
             learn.emplace_back();
             for (ui32 i = 0; i < 256; ++i) {
                 for (ui32 j = 0; j < i; ++j) {
@@ -1144,7 +1144,7 @@ private:
                 }
             }
 
-            TVector<TBuffer> test; 
+            TVector<TBuffer> test;
             test.emplace_back();
             for (ui32 i = 0; i < 256; ++i) {
                 test.back().Append((ui8)i);
@@ -1154,7 +1154,7 @@ private:
         }
 
         {
-            TVector<TBuffer> learn; 
+            TVector<TBuffer> learn;
             learn.emplace_back();
             for (ui32 i = 0; i < 128; ++i) {
                 for (ui32 j = 0; j < i; ++j) {
@@ -1162,7 +1162,7 @@ private:
                 }
             }
 
-            TVector<TBuffer> test; 
+            TVector<TBuffer> test;
             test.emplace_back();
             for (ui32 i = 128; i < 256; ++i) {
                 test.back().Append((ui8)i);
@@ -1197,13 +1197,13 @@ private:
     void TestHuffmanLearnByFreqs() {
         using namespace NCodecs;
 
-        TVector<TBuffer> data; 
+        TVector<TBuffer> data;
 
         for (auto& textValue : TextValues) {
             data.emplace_back(textValue, strlen(textValue));
         }
 
-        TVector<TBuffer> outLearn; 
+        TVector<TBuffer> outLearn;
 
         {
             THuffmanCodec codec;
@@ -1215,7 +1215,7 @@ private:
             }
         }
 
-        TVector<TBuffer> outLearnByFreqs; 
+        TVector<TBuffer> outLearnByFreqs;
 
         {
             THuffmanCodec codec;
@@ -1251,30 +1251,30 @@ private:
     void TestSolar() {
         using namespace NCodecs;
         {
-            TVector<TBuffer> learn; 
+            TVector<TBuffer> learn;
 
             for (auto& textValue : TextValues) {
                 learn.emplace_back(textValue, strlen(textValue));
             }
 
-            TestCodec<TSolarCodec, true>(learn, TVector<TBuffer>(), new TSolarCodec(512, 8)); 
-            TestCodec<TAdaptiveSolarCodec, false>(learn, TVector<TBuffer>(), new TAdaptiveSolarCodec(512, 8)); 
-            TestCodec<TAdaptiveSolarCodec, true>(learn, TVector<TBuffer>(), new TAdaptiveSolarCodec(512, 8)); 
-            TestCodec<TSolarCodecShortInt, true>(learn, TVector<TBuffer>(), new TSolarCodecShortInt(512, 8)); 
+            TestCodec<TSolarCodec, true>(learn, TVector<TBuffer>(), new TSolarCodec(512, 8));
+            TestCodec<TAdaptiveSolarCodec, false>(learn, TVector<TBuffer>(), new TAdaptiveSolarCodec(512, 8));
+            TestCodec<TAdaptiveSolarCodec, true>(learn, TVector<TBuffer>(), new TAdaptiveSolarCodec(512, 8));
+            TestCodec<TSolarCodecShortInt, true>(learn, TVector<TBuffer>(), new TSolarCodecShortInt(512, 8));
         }
         {
-            TestCodec<TSolarCodec, true>(TVector<TBuffer>(), TVector<TBuffer>(), new TSolarCodec(512, 8)); 
-            TestCodec<TAdaptiveSolarCodec, false>(TVector<TBuffer>(), TVector<TBuffer>(), new TAdaptiveSolarCodec(512, 8)); 
-            TestCodec<TAdaptiveSolarCodec, true>(TVector<TBuffer>(), TVector<TBuffer>(), new TAdaptiveSolarCodec(512, 8)); 
-            TestCodec<TSolarCodecShortInt, true>(TVector<TBuffer>(), TVector<TBuffer>(), new TSolarCodecShortInt(512, 8)); 
+            TestCodec<TSolarCodec, true>(TVector<TBuffer>(), TVector<TBuffer>(), new TSolarCodec(512, 8));
+            TestCodec<TAdaptiveSolarCodec, false>(TVector<TBuffer>(), TVector<TBuffer>(), new TAdaptiveSolarCodec(512, 8));
+            TestCodec<TAdaptiveSolarCodec, true>(TVector<TBuffer>(), TVector<TBuffer>(), new TAdaptiveSolarCodec(512, 8));
+            TestCodec<TSolarCodecShortInt, true>(TVector<TBuffer>(), TVector<TBuffer>(), new TSolarCodecShortInt(512, 8));
         }
 
         {
-            TVector<TBuffer> learn; 
+            TVector<TBuffer> learn;
             learn.emplace_back();
             learn.back().Append('a');
 
-            TVector<TBuffer> test; 
+            TVector<TBuffer> test;
             test.emplace_back();
             for (ui32 i = 0; i < 256; ++i) {
                 test.back().Append((ui8)i);
@@ -1287,7 +1287,7 @@ private:
         }
 
         {
-            TVector<TBuffer> learn; 
+            TVector<TBuffer> learn;
             learn.emplace_back();
             for (ui32 i = 0; i < 256; ++i) {
                 for (ui32 j = 0; j < i; ++j) {
@@ -1295,7 +1295,7 @@ private:
                 }
             }
 
-            TVector<TBuffer> test; 
+            TVector<TBuffer> test;
             test.emplace_back();
             for (ui32 i = 0; i < 256; ++i) {
                 test.back().Append((ui8)i);
@@ -1311,7 +1311,7 @@ private:
     void TestPipeline() {
         using namespace NCodecs;
         {
-            TVector<TBuffer> learn; 
+            TVector<TBuffer> learn;
             learn.emplace_back();
             for (ui32 i = 0; i < 256; ++i) {
                 for (i32 j = i; j >= 0; --j) {
@@ -1319,7 +1319,7 @@ private:
                 }
             }
 
-            TVector<TBuffer> test; 
+            TVector<TBuffer> test;
             test.emplace_back();
             for (ui32 i = 0; i < 256; ++i) {
                 test.back().Append((ui8)i);
@@ -1329,7 +1329,7 @@ private:
                                             new TPipelineCodec(new TSolarCodec(512, 8), new TSolarCodec(512, 8), new THuffmanCodec));
         }
         {
-            TVector<TBuffer> d; 
+            TVector<TBuffer> d;
             d.emplace_back();
             for (ui32 i = 0; i < 256; ++i) {
                 for (i32 j = i; j >= 0; --j) {
@@ -1337,14 +1337,14 @@ private:
                 }
             }
 
-            TestCodec<TPipelineCodec, false>(d, TVector<TBuffer>(), 
+            TestCodec<TPipelineCodec, false>(d, TVector<TBuffer>(),
                                              new TPipelineCodec(new TDeltaCodec<ui32, false>, new TPForCodec<ui32>));
         }
     }
 
     void TestRegistry() {
         using namespace NCodecs;
-        TVector<TString> vs = ICodec::GetCodecsList(); 
+        TVector<TString> vs = ICodec::GetCodecsList();
         for (const auto& v : vs) {
             TCodecPtr p = ICodec::GetInstance(v);
             if (v == "none") {
diff --git a/library/cpp/codecs/ut/float_huffman_ut.cpp b/library/cpp/codecs/ut/float_huffman_ut.cpp
index d9bda02850..3156fb1f46 100644
--- a/library/cpp/codecs/ut/float_huffman_ut.cpp
+++ b/library/cpp/codecs/ut/float_huffman_ut.cpp
@@ -142,7 +142,7 @@ Y_UNIT_TEST_SUITE(FloatHuffmanTest) {
     }
 
     // Helper for dumping compressed values
-    void PrintCompressed(const TVector<ui8>& codedFactors) { 
+    void PrintCompressed(const TVector<ui8>& codedFactors) {
         for (size_t i = 0; i < codedFactors.size(); ++i) {
             if (i % 0x10 == 0)
                 Cerr << Endl;
@@ -152,7 +152,7 @@ Y_UNIT_TEST_SUITE(FloatHuffmanTest) {
     }
 
     // Helper for dumping decompressed values
-    void PrintDecompressed(const TVector<float>& factors) { 
+    void PrintDecompressed(const TVector<float>& factors) {
         TStringStream result;
         TStringStream line;
 
@@ -220,7 +220,7 @@ Y_UNIT_TEST_SUITE(FloatHuffmanTest) {
 
     Y_UNIT_TEST(TestDecompressForgedData) {
         // this coredumps without end-of-coded-stream check, see SEARCH-1156 for details
-        TString brokenBase64Encoded = 
+        TString brokenBase64Encoded =
             "NLjYltUWs5pqnd3d3f05Li4OAwCAEqrP6mv06jDt7PiAUVu7Y+PiMpuZmdzeM"
             "ArqOLxS2q4FKCII52dktcVs7y0zL+OKgeO9SOzEkFj7uPfFqqoCAAAAAADAtZ"
             "mZ2fdmICAgANQXhi1WVRUAAAAAAAAGjvcWq6oKAAAAAAAAA8d7qe4rV3Nxcd3"
diff --git a/library/cpp/codecs/zstd_dict_codec.cpp b/library/cpp/codecs/zstd_dict_codec.cpp
index d04ea57f3b..c42a2879e6 100644
--- a/library/cpp/codecs/zstd_dict_codec.cpp
+++ b/library/cpp/codecs/zstd_dict_codec.cpp
@@ -147,7 +147,7 @@ namespace NCodecs {
 
         bool Learn(ISequenceReader& in, bool throwOnError) {
             TBuffer data;
-            TVector<size_t> lens; 
+            TVector<size_t> lens;
 
             data.Reserve(2 * SampleSize);
             TStringBuf r;
@@ -233,7 +233,7 @@ namespace NCodecs {
     TZStdDictCodec::~TZStdDictCodec() {
     }
 
-    TString TZStdDictCodec::GetName() const { 
+    TString TZStdDictCodec::GetName() const {
         return TStringBuilder() << MyName() << "-" << Impl->GetCompressionLevel();
     }
 
@@ -263,8 +263,8 @@ namespace NCodecs {
         Impl->Load(in);
     }
 
-    TVector<TString> TZStdDictCodec::ListCompressionNames() { 
-        TVector<TString> res; 
+    TVector<TString> TZStdDictCodec::ListCompressionNames() {
+        TVector<TString> res;
         for (int i = 1; i <= ZSTD_maxCLevel(); ++i) {
             res.emplace_back(TStringBuilder() << MyName() << "-" << i);
         }
diff --git a/library/cpp/colorizer/colors.cpp b/library/cpp/colorizer/colors.cpp
index 918cd57085..decc5c9847 100644
--- a/library/cpp/colorizer/colors.cpp
+++ b/library/cpp/colorizer/colors.cpp
@@ -130,9 +130,9 @@ namespace {
                 return "\033[0m\033[2;36m";
             case DARK_WHITE:
                 return "\033[0m\033[2;37m";
- 
-            case INVALID: 
-            default: 
+
+            case INVALID:
+            default:
                 return "";
         }
     }
diff --git a/library/cpp/colorizer/colors.h b/library/cpp/colorizer/colors.h
index 8b64f4d90b..474a918994 100644
--- a/library/cpp/colorizer/colors.h
+++ b/library/cpp/colorizer/colors.h
@@ -2,10 +2,10 @@
 
 #include "fwd.h"
 
-#include <util/generic/string.h> 
+#include <util/generic/string.h>
 #include <util/generic/strbuf.h>
 
-#include <cstdio> 
+#include <cstdio>
 
 namespace NColorizer {
     /**
@@ -192,19 +192,19 @@ namespace NColorizer {
         TStringBuf YellowColor() const noexcept;
         TStringBuf WhiteColor() const noexcept;
 
-        inline bool IsTTY() const noexcept { 
+        inline bool IsTTY() const noexcept {
             return IsTTY_;
         }
 
-        inline void SetIsTTY(bool value) noexcept { 
+        inline void SetIsTTY(bool value) noexcept {
             IsTTY_ = value;
         }
 
-        inline void Enable() noexcept { 
+        inline void Enable() noexcept {
             SetIsTTY(true);
         }
 
-        inline void Disable() noexcept { 
+        inline void Disable() noexcept {
             SetIsTTY(false);
         }
 
diff --git a/library/cpp/colorizer/output.h b/library/cpp/colorizer/output.h
index 0644daed85..99afbd3427 100644
--- a/library/cpp/colorizer/output.h
+++ b/library/cpp/colorizer/output.h
@@ -12,7 +12,7 @@ namespace NColorizer {
         const TColors* C;
         TColorFunc F;
 
-        inline TColorHandle(const TColors* c, TColorFunc f) noexcept 
+        inline TColorHandle(const TColors* c, TColorFunc f) noexcept
             : C(c)
             , F(f)
         {
diff --git a/library/cpp/compproto/compproto_ut.cpp b/library/cpp/compproto/compproto_ut.cpp
index 2a2a62a3fb..9393be967a 100644
--- a/library/cpp/compproto/compproto_ut.cpp
+++ b/library/cpp/compproto/compproto_ut.cpp
@@ -36,7 +36,7 @@ template <typename X>
 void TestSaveLoadMeta(NCompProto::TMetaInfo<X>& src) {
     TStringStream ss;
     src.Save(ss);
-    TString data = ss.Str(); 
+    TString data = ss.Str();
     NCompProto::TMetaInfo<X> loadedMeta(data);
     ss = TStringStream();
     loadedMeta.Save(ss);
@@ -44,7 +44,7 @@ void TestSaveLoadMeta(NCompProto::TMetaInfo<X>& src) {
 }
 
 template <typename TDecompressor, template <typename, typename> class TSerialize>
-void TestWithParams(const TString& metainfo, const ECompMode mode, const TTestParams& params) { 
+void TestWithParams(const TString& metainfo, const ECompMode mode, const TTestParams& params) {
     using namespace NCompProto;
     FlushPseudoRandom();
 
@@ -74,7 +74,7 @@ void TestWithParams(const TString& metainfo, const ECompMode mode, const TTestPa
     const size_t busyPages = (byteSize + (PAGESIZEX - 1)) / PAGESIZEX;
     const size_t allPages = busyPages + 1;
     const size_t allocSize = (allPages + 1) * PAGESIZEX;
-    TVector<ui8> readBuffer(allocSize); 
+    TVector<ui8> readBuffer(allocSize);
     ui8* start = &readBuffer[0];
     ui8* pageStart = reinterpret_cast<ui8*>((size_t(start) + PAGESIZEX) & ~(PAGESIZEX - 1));
     // XX DATA  DATA  DATA DATA PROT
@@ -97,7 +97,7 @@ void TestWithParams(const TString& metainfo, const ECompMode mode, const TTestPa
 }
 
 template <typename TDecompressor, template <typename, typename> class TSerialize>
-void Test(const TString& metainfo, const ECompMode mode) { 
+void Test(const TString& metainfo, const ECompMode mode) {
     for (size_t ds = 3; ds < 42; ds += (3 + PseudoRandom(5))) {
         for (size_t vas = 5; vas < 42; vas += (4 + PseudoRandom(10))) {
             TTestParams params;
@@ -111,7 +111,7 @@ void Test(const TString& metainfo, const ECompMode mode) {
 Y_UNIT_TEST_SUITE(CompProtoTestBasic) {
     using namespace NCompProto;
 
-    const TString metainfo = 
+    const TString metainfo =
         "\n\
     repeated data id 0\n\
         scalar clicks id 0 default const 0\n\
@@ -132,10 +132,10 @@ Y_UNIT_TEST_SUITE(CompProtoTestBasic) {
         ui32 Clicks;
         ui32 Shows;
         ui32 Extra;
-        TMap<ui32, TRegInfo> RegClicks; 
+        TMap<ui32, TRegInfo> RegClicks;
     };
 
-    TVector<TData> data; 
+    TVector<TData> data;
 
     template <class TMeta, class TFunctor>
     struct TSerialize {
@@ -187,7 +187,7 @@ Y_UNIT_TEST_SUITE(CompProtoTestBasic) {
             void EndSelf() {
             }
             void BeginElement(ui32 element) {
-                TMap<ui32, TRegInfo>::const_iterator it = Data->RegClicks.find(element); 
+                TMap<ui32, TRegInfo>::const_iterator it = Data->RegClicks.find(element);
                 if (it == Data->RegClicks.end()) {
                     UNIT_ASSERT(0);
                 }
@@ -251,7 +251,7 @@ Y_UNIT_TEST_SUITE(CompProtoTestBasic) {
         EState State;
 
         ui32 DataInd;
-        TMap<ui32, TRegInfo>::iterator RegIter; 
+        TMap<ui32, TRegInfo>::iterator RegIter;
 
         TMetaIterator<TVerifyingDecompressor>& GetDecompressor(size_t index) {
             Y_UNUSED(index);
@@ -373,7 +373,7 @@ Y_UNIT_TEST_SUITE(CompProtoTestBasic) {
 
 Y_UNIT_TEST_SUITE(CompProtoTestExtended) {
     using namespace NCompProto;
-    const TString metainfo = 
+    const TString metainfo =
         "\n\
     repeated data id 0\n\
         repeated second id 3\n\
@@ -383,7 +383,7 @@ Y_UNIT_TEST_SUITE(CompProtoTestExtended) {
             scalar inner id 0 default const 0\n\
         end\n\
     end\n";
-    TVector<std::pair<TVector<ui32>, TVector<ui32>>> data; 
+    TVector<std::pair<TVector<ui32>, TVector<ui32>>> data;
 
     template <class TMeta, class TFunctor>
     struct TSerialize {
diff --git a/library/cpp/comptable/comptable.cpp b/library/cpp/comptable/comptable.cpp
index d20ab6c7c4..8a92d4d1aa 100644
--- a/library/cpp/comptable/comptable.cpp
+++ b/library/cpp/comptable/comptable.cpp
@@ -1,6 +1,6 @@
 #include <util/system/defaults.h>
 #include <util/system/filemap.h>
-#include <util/generic/string.h> 
+#include <util/generic/string.h>
 #include <util/generic/vector.h>
 #include <util/string/cast.h>
 #include <util/stream/file.h>
diff --git a/library/cpp/comptable/usage/usage.cpp b/library/cpp/comptable/usage/usage.cpp
index 60de3515b4..9997c83686 100644
--- a/library/cpp/comptable/usage/usage.cpp
+++ b/library/cpp/comptable/usage/usage.cpp
@@ -10,8 +10,8 @@ using namespace NCompTable;
 
 template <bool HQ>
 void DoTest(const TCompressorTable& table, const TVector<TString>& lines) {
-    TVector<char> compressed; 
-    TVector<char> decompressed; 
+    TVector<char> compressed;
+    TVector<char> decompressed;
 
     TChunkCompressor compressor(HQ, table);
     TChunkDecompressor deCompressor(HQ, table);
@@ -42,18 +42,18 @@ void DoTest(const TCompressorTable& table, const TVector<TString>& lines) {
 
 int main(int argc, const char* argv[]) {
     TReallyFastRng32 rr(17);
-    TVector<TString> lines; 
+    TVector<TString> lines;
     /*FILE *fp = fopen("res", "rb");
     while (!feof(fp)) {
         char buff[4096];
         fscanf(fp, "%s", buff);
-        lines.push_back(TString(buff)); 
+        lines.push_back(TString(buff));
     }*/
     //for (size_t i = 0; i < 10000000; ++i) {
     //for (size_t i = 0; i < 1000000; ++i) {
     for (size_t i = 0; i < 1000000; ++i) {
         size_t size = rr.Uniform(32);
-        TString res = "www.yandex.ru/yandsearch?text="; 
+        TString res = "www.yandex.ru/yandsearch?text=";
         for (size_t j = 0; j < size; ++j) {
             res += "qwer"[rr.Uniform(4)];
         }
diff --git a/library/cpp/comptable/ut/comptable_ut.cpp b/library/cpp/comptable/ut/comptable_ut.cpp
index 4314e6baa0..5901d0246f 100644
--- a/library/cpp/comptable/ut/comptable_ut.cpp
+++ b/library/cpp/comptable/ut/comptable_ut.cpp
@@ -8,8 +8,8 @@ using namespace NCompTable;
 
 template <bool HQ>
 void DoTest(const TCompressorTable& table, const TVector<TString>& lines) {
-    TVector<char> compressed; 
-    TVector<char> decompressed; 
+    TVector<char> compressed;
+    TVector<char> decompressed;
 
     TChunkCompressor compressor(HQ, table);
     TStringStream tmp;
@@ -42,10 +42,10 @@ void DoTest(const TCompressorTable& table, const TVector<TString>& lines) {
 Y_UNIT_TEST_SUITE(TestComptable) {
     Y_UNIT_TEST(TestComptableCompressDecompress) {
         TReallyFastRng32 rr(17);
-        TVector<TString> lines; 
+        TVector<TString> lines;
         for (size_t i = 0; i < 1000000; ++i) {
             size_t size = rr.Uniform(32);
-            TString res = "www.yandex.ru/yandsearch?text="; 
+            TString res = "www.yandex.ru/yandsearch?text=";
             for (size_t j = 0; j < size; ++j) {
                 res += "qwer"[rr.Uniform(4)];
             }
diff --git a/library/cpp/containers/atomizer/atomizer.h b/library/cpp/containers/atomizer/atomizer.h
index bed0167a19..5e40f47ab9 100644
--- a/library/cpp/containers/atomizer/atomizer.h
+++ b/library/cpp/containers/atomizer/atomizer.h
@@ -17,7 +17,7 @@ class super_atomizer;
 template <class HashFcn, class EqualTo>
 class atomizer: public string_hash<ui32, HashFcn, EqualTo> {
 private:
-    TVector<const char*> order; 
+    TVector<const char*> order;
 
 public:
     using iterator = typename string_hash<ui32, HashFcn, EqualTo>::iterator;
@@ -48,7 +48,7 @@ public:
         std::pair<iterator, bool> ins = insert_copy(key, ui32(size() + 1));
         if (ins.second) {                  // new?
             if (pool.Begin() != old_begin) // repoint?
-                for (TVector<const char*>::iterator ptr = order.begin(); ptr != order.end(); ++ptr) 
+                for (TVector<const char*>::iterator ptr = order.begin(); ptr != order.end(); ++ptr)
                     if (old_begin <= *ptr && *ptr < old_end) // from old pool?
                         *ptr += pool.Begin() - old_begin;
             order.push_back((*ins.first).first); // copy of 'key'
@@ -108,7 +108,7 @@ public:
 template <class T, class HashFcn, class EqualTo>
 class super_atomizer: public string_hash<ui32, HashFcn, EqualTo> {
 private:
-    using TOrder = TVector<std::pair<const char*, T>>; 
+    using TOrder = TVector<std::pair<const char*, T>>;
     TOrder order;
 
 public:
diff --git a/library/cpp/containers/bitseq/bititerator_ut.cpp b/library/cpp/containers/bitseq/bititerator_ut.cpp
index 8669410f5d..ed0925866f 100644
--- a/library/cpp/containers/bitseq/bititerator_ut.cpp
+++ b/library/cpp/containers/bitseq/bititerator_ut.cpp
@@ -4,8 +4,8 @@
 #include <util/generic/vector.h>
 
 Y_UNIT_TEST_SUITE(TBitIteratorTest) {
-    TVector<ui16> GenWords() { 
-        TVector<ui16> words(1, 0); 
+    TVector<ui16> GenWords() {
+        TVector<ui16> words(1, 0);
         for (ui16 word = 1; word; ++word)
             words.push_back(word);
         return words;
@@ -51,7 +51,7 @@ Y_UNIT_TEST_SUITE(TBitIteratorTest) {
     }
 
     Y_UNIT_TEST(TestForward) {
-        TVector<ui32> words; 
+        TVector<ui32> words;
         words.push_back((1 << 10) | (1 << 20) | (1 << 25));
         words.push_back(1 | (1 << 5) | (1 << 6) | (1 << 30));
         for (int i = 0; i < 3; ++i)
@@ -90,7 +90,7 @@ Y_UNIT_TEST_SUITE(TBitIteratorTest) {
     }
 
     Y_UNIT_TEST(TestUnalignedReadAndPeek) {
-        TVector<ui32> words; 
+        TVector<ui32> words;
         words.push_back((1 << 10) | (1 << 20) | (1 << 25));
         words.push_back(1 | (1 << 5) | (1 << 6) | (1 << 30));
         for (int i = 0; i < 5; ++i)
diff --git a/library/cpp/containers/bitseq/bitvector.h b/library/cpp/containers/bitseq/bitvector.h
index 7485b9a072..3f8fd81ee5 100644
--- a/library/cpp/containers/bitseq/bitvector.h
+++ b/library/cpp/containers/bitseq/bitvector.h
@@ -19,7 +19,7 @@ public:
 private:
     friend class TReadonlyBitVector<T>;
     ui64 Size_;
-    TVector<TWord> Data_; 
+    TVector<TWord> Data_;
 
 public:
     TBitVector()
diff --git a/library/cpp/containers/compact_vector/compact_vector.h b/library/cpp/containers/compact_vector/compact_vector.h
index 94664aeb28..dbe7473f0c 100644
--- a/library/cpp/containers/compact_vector/compact_vector.h
+++ b/library/cpp/containers/compact_vector/compact_vector.h
@@ -8,7 +8,7 @@
 
 #include <cstdlib>
 
-// vector that is 8 bytes when empty (TVector is 24 bytes) 
+// vector that is 8 bytes when empty (TVector is 24 bytes)
 
 template <typename T>
 class TCompactVector {
diff --git a/library/cpp/containers/comptrie/chunked_helpers_trie.h b/library/cpp/containers/comptrie/chunked_helpers_trie.h
index e59d5f7263..cfa35f5ba2 100644
--- a/library/cpp/containers/comptrie/chunked_helpers_trie.h
+++ b/library/cpp/containers/comptrie/chunked_helpers_trie.h
@@ -139,7 +139,7 @@ public:
 #endif
     }
 
-    void Add(const TString& s, const T& value) { 
+    void Add(const TString& s, const T& value) {
         ui64 intValue = 0;
         memcpy(&intValue, &value, sizeof(T));
         Builder.Add(s.data(), s.size(), intValue);
@@ -180,8 +180,8 @@ public:
 template <typename T>
 class TTrieSortedMapWriter {
 private:
-    typedef std::pair<TString, T> TValue; 
-    typedef TVector<TValue> TValues; 
+    typedef std::pair<TString, T> TValue;
+    typedef TVector<TValue> TValues;
     TValues Values;
 
 public:
diff --git a/library/cpp/containers/comptrie/comptrie_builder.h b/library/cpp/containers/comptrie/comptrie_builder.h
index 815737bd36..cf7d2e39a3 100644
--- a/library/cpp/containers/comptrie/comptrie_builder.h
+++ b/library/cpp/containers/comptrie/comptrie_builder.h
@@ -61,8 +61,8 @@ public:
         return AddPtr(key.data(), key.size(), data);
     }
 
-    bool AddSubtreeInFile(const TSymbol* key, size_t keylen, const TString& filename); 
-    bool AddSubtreeInFile(const TKeyBuf& key, const TString& filename) { 
+    bool AddSubtreeInFile(const TSymbol* key, size_t keylen, const TString& filename);
+    bool AddSubtreeInFile(const TKeyBuf& key, const TString& filename) {
         return AddSubtreeInFile(key.data(), key.size(), filename);
     }
 
@@ -83,8 +83,8 @@ public:
 
     size_t Save(IOutputStream& os) const;
     size_t SaveAndDestroy(IOutputStream& os);
-    size_t SaveToFile(const TString& fileName) const { 
-        TFixedBufferFileOutput out(fileName); 
+    size_t SaveToFile(const TString& fileName) const {
+        TFixedBufferFileOutput out(fileName);
         return Save(out);
     }
 
diff --git a/library/cpp/containers/comptrie/comptrie_builder.inl b/library/cpp/containers/comptrie/comptrie_builder.inl
index 8c9f681982..f273fa6571 100644
--- a/library/cpp/containers/comptrie/comptrie_builder.inl
+++ b/library/cpp/containers/comptrie/comptrie_builder.inl
@@ -78,7 +78,7 @@ public:
 
     bool AddEntry(const TSymbol* key, size_t keylen, const TData& value);
     bool AddEntryPtr(const TSymbol* key, size_t keylen, const char* value);
-    bool AddSubtreeInFile(const TSymbol* key, size_t keylen, const TString& fileName); 
+    bool AddSubtreeInFile(const TSymbol* key, size_t keylen, const TString& fileName);
     bool AddSubtreeInBuffer(const TSymbol* key, size_t keylen, TArrayWithSizeHolder<char>&& buffer);
     bool FindEntry(const TSymbol* key, size_t keylen, TData* value) const;
     bool FindLongestPrefix(const TSymbol* key, size_t keylen, size_t* prefixlen, TData* value) const;
@@ -269,12 +269,12 @@ public:
 
     struct TSubtreeInFile: public ISubtree {
         struct TData {
-            TString FileName; 
+            TString FileName;
             ui64 Size;
         };
         THolder<TData> Data;
 
-        TSubtreeInFile(const TString& fileName) { 
+        TSubtreeInFile(const TString& fileName) {
             // stupid API
             TFile file(fileName, RdOnly);
             i64 size = file.GetLength();
@@ -321,7 +321,7 @@ public:
         }
 
         ui64 Save(const TBuilderImpl*, IOutputStream& os) const override {
-            TUnbufferedFileInput is(Data->FileName); 
+            TUnbufferedFileInput is(Data->FileName);
             ui64 written = TransferData(&is, &os);
             if (written != Data->Size)
                 ythrow yexception() << "file " << Data->FileName.Quote() << " size changed";
@@ -400,7 +400,7 @@ public:
         return pool.Allocate();
     }
 
-    inline void operator delete(void* ptr, TFixedSizeAllocator& pool) noexcept { 
+    inline void operator delete(void* ptr, TFixedSizeAllocator& pool) noexcept {
         pool.Release(ptr);
     }
 
@@ -436,7 +436,7 @@ bool TCompactTrieBuilder<T, D, S>::AddPtr(const TSymbol* key, size_t keylen, con
 }
 
 template <class T, class D, class S>
-bool TCompactTrieBuilder<T, D, S>::AddSubtreeInFile(const TSymbol* key, size_t keylen, const TString& fileName) { 
+bool TCompactTrieBuilder<T, D, S>::AddSubtreeInFile(const TSymbol* key, size_t keylen, const TString& fileName) {
     return Impl->AddSubtreeInFile(key, keylen, fileName);
 }
 
@@ -566,7 +566,7 @@ bool TCompactTrieBuilder<T, D, S>::TCompactTrieBuilderImpl::AddEntryPtr(
 
 template <class T, class D, class S>
 bool TCompactTrieBuilder<T, D, S>::TCompactTrieBuilderImpl::AddSubtreeInFile(
-                const TSymbol* key, size_t keylen, const TString& fileName) { 
+                const TSymbol* key, size_t keylen, const TString& fileName) {
     typedef typename TNode::ISubtree ISubtree;
     typedef typename TNode::TSubtreeInFile TSubtreeInFile;
 
diff --git a/library/cpp/containers/comptrie/comptrie_impl.h b/library/cpp/containers/comptrie/comptrie_impl.h
index 6effd9c909..f41c38311a 100644
--- a/library/cpp/containers/comptrie/comptrie_impl.h
+++ b/library/cpp/containers/comptrie/comptrie_impl.h
@@ -59,12 +59,12 @@ namespace NCompTriePrivate {
 
     template <>
     struct TStringForChar<char> {
-        typedef TString TResult; 
+        typedef TString TResult;
     };
 
     template <>
     struct TStringForChar<wchar16> {
-        typedef TUtf16String TResult; 
+        typedef TUtf16String TResult;
     };
 
     template <>
diff --git a/library/cpp/containers/comptrie/comptrie_trie.h b/library/cpp/containers/comptrie/comptrie_trie.h
index bf47ec8cd0..40ec1e52b3 100644
--- a/library/cpp/containers/comptrie/comptrie_trie.h
+++ b/library/cpp/containers/comptrie/comptrie_trie.h
@@ -41,7 +41,7 @@ public:
 
     typedef std::pair<TKey, TData> TValueType;
     typedef std::pair<size_t, TData> TPhraseMatch;
-    typedef TVector<TPhraseMatch> TPhraseMatchVector; 
+    typedef TVector<TPhraseMatch> TPhraseMatchVector;
 
     typedef TCompactTrieBuilder<T, D, S> TBuilder;
 
@@ -202,7 +202,7 @@ protected:
         bool hasNext;
         return LookupLongestPrefix(key, keylen, prefixLen, valuepos, hasNext);
     }
-    void LookupPhrases(const char* datapos, size_t len, const TSymbol* key, size_t keylen, TVector<TPhraseMatch>& matches, TSymbol separator) const; 
+    void LookupPhrases(const char* datapos, size_t len, const TSymbol* key, size_t keylen, TVector<TPhraseMatch>& matches, TSymbol separator) const;
 };
 
 template <class T = char, class D = ui64, class S = TCompactTriePacker<D>>
diff --git a/library/cpp/containers/comptrie/comptrie_ut.cpp b/library/cpp/containers/comptrie/comptrie_ut.cpp
index 22e61adf83..74bee09b5d 100644
--- a/library/cpp/containers/comptrie/comptrie_ut.cpp
+++ b/library/cpp/containers/comptrie/comptrie_ut.cpp
@@ -138,19 +138,19 @@ private:
     template <class T, bool minimize>
     void TestRandom(const size_t n, const size_t maxKeySize);
 
-    void TestFindTailsImpl(const TString& prefix); 
+    void TestFindTailsImpl(const TString& prefix);
 
     void TestUniqueImpl(bool isPrefixGrouped);
 
-    TVector<TUtf16String> GetSampleKeys(size_t nKeys) const; 
+    TVector<TUtf16String> GetSampleKeys(size_t nKeys) const;
     template <class TContainer>
-    TVector<TContainer> GetSampleVectorData(size_t nValues); 
+    TVector<TContainer> GetSampleVectorData(size_t nValues);
     template <class TContainer>
-    TVector<TContainer> GetSampleTextVectorData(size_t nValues); 
+    TVector<TContainer> GetSampleTextVectorData(size_t nValues);
     template <class T>
     void CheckEquality(const T& value1, const T& value2) const;
     template <class TContainer>
-    void TestTrieWithContainers(const TVector<TUtf16String>& keys, const TVector<TContainer>& sampleData, TString methodName); 
+    void TestTrieWithContainers(const TVector<TUtf16String>& keys, const TVector<TContainer>& sampleData, TString methodName);
 
     template <typename TChar>
     void TestSearchIterImpl();
@@ -287,7 +287,7 @@ typename TCompactTrie<T>::TKey MakeWideKey(const char* str, size_t len) {
 }
 
 template <class T>
-typename TCompactTrie<T>::TKey MakeWideKey(const TString& str) { 
+typename TCompactTrie<T>::TKey MakeWideKey(const TString& str) {
     return MakeWideKey<T>(str.c_str(), str.length());
 }
 
@@ -321,7 +321,7 @@ void TCompactTrieTest::CreateTrie(IOutputStream& out, bool minimize, bool useFas
 }
 
 // Iterates over all strings of length <= 4 made of letters a-g.
-static bool LexicographicStep(TString& s) { 
+static bool LexicographicStep(TString& s) {
     if (s.length() < 4) {
         s += "a";
         return true;
@@ -343,7 +343,7 @@ void TCompactTrieTest::CheckUpperBound(const char* data, size_t datalen) {
     typedef typename TCompactTrie<T>::TKey TKey;
     typedef typename TCompactTrie<T>::TData TData;
 
-    TString key; 
+    TString key;
     do {
         const TKey wideKey = MakeWideKey<T>(key);
         typename TCompactTrie<T>::TConstIterator it = trie.UpperBound(wideKey);
@@ -375,7 +375,7 @@ void TCompactTrieTest::CheckData(const char* data, size_t datalen) {
         UNIT_ASSERT_EQUAL(len, prefixLen);
         UNIT_ASSERT_EQUAL(len * 2, value);
 
-        TString badkey("bb"); 
+        TString badkey("bb");
         badkey += i;
         key = MakeWideKey<T>(badkey);
         UNIT_ASSERT(!trie.Find(key));
@@ -400,7 +400,7 @@ void TCompactTrieTest::CheckData(const char* data, size_t datalen) {
         UNIT_ASSERT_EQUAL(len, prefixLen);
     }
 
-    TString testkey("fbbaa"); 
+    TString testkey("fbbaa");
     typename TCompactTrie<T>::TKey key = MakeWideKey<T>(testkey);
     ui64 value = 0;
     size_t prefixLen = 0;
@@ -423,7 +423,7 @@ template <class T>
 void TCompactTrieTest::CheckIterator(const char* data, size_t datalen) {
     typedef typename TCompactTrie<T>::TKey TKey;
     typedef typename TCompactTrie<T>::TValueType TValue;
-    TMap<TKey, ui64> stored; 
+    TMap<TKey, ui64> stored;
 
     for (auto& i : SampleData) {
         size_t len = strlen(i);
@@ -432,10 +432,10 @@ void TCompactTrieTest::CheckIterator(const char* data, size_t datalen) {
     }
 
     TCompactTrie<T> trie(data, datalen);
-    TVector<TValue> items; 
+    TVector<TValue> items;
     typename TCompactTrie<T>::TConstIterator it = trie.Begin();
     size_t entry_count = 0;
-    TMap<TKey, ui64> received; 
+    TMap<TKey, ui64> received;
     while (it != trie.End()) {
         UNIT_ASSERT_VALUES_EQUAL(it.GetKeySize(), it.GetKey().size());
         received.insert(*it);
@@ -443,7 +443,7 @@ void TCompactTrieTest::CheckIterator(const char* data, size_t datalen) {
         entry_count++;
         it++;
     }
-    TMap<TKey, ui64> received2; 
+    TMap<TKey, ui64> received2;
     for (std::pair<TKey, ui64> x : trie) {
         received2.insert(x);
     }
@@ -573,7 +573,7 @@ void TCompactTrieTest::TestPhraseSearch() {
     builder.Save(bufout);
 
     TCompactTrie<char> trie(bufout.Buffer().Data(), bufout.Buffer().Size());
-    TVector<TCompactTrie<char>::TPhraseMatch> matches; 
+    TVector<TCompactTrie<char>::TPhraseMatch> matches;
     trie.FindPhrases(goodphrase, strlen(goodphrase), matches);
 
     UNIT_ASSERT(matches.size() == Y_ARRAY_SIZE(phrases));
@@ -650,9 +650,9 @@ static char RandChar() {
     return char(RandomNumber<size_t>() % 256);
 }
 
-static TString RandStr(const size_t max) { 
+static TString RandStr(const size_t max) {
     size_t len = RandomNumber<size_t>() % max;
-    TString key; 
+    TString key;
     for (size_t j = 0; j < len; ++j)
         key += RandChar();
     return key;
@@ -662,12 +662,12 @@ template <class T, bool minimize>
 void TCompactTrieTest::TestRandom(const size_t n, const size_t maxKeySize) {
     const TStringBuf EMPTY_KEY = TStringBuf("", 1);
     TCompactTrieBuilder<char, typename T::TData, T> builder;
-    typedef TMap<TString, typename T::TData> TKeys; 
+    typedef TMap<TString, typename T::TData> TKeys;
     TKeys keys;
 
     typename T::TData dummy;
     for (size_t i = 0; i < n; ++i) {
-        const TString key = RandStr(maxKeySize); 
+        const TString key = RandStr(maxKeySize);
         if (key != EMPTY_KEY && keys.find(key) == keys.end()) {
             const typename T::TData val = T::Data(key);
             keys[key] = val;
@@ -729,13 +729,13 @@ void TCompactTrieTest::TestRandom() {
     TestRandom<TStrokaPacker, true>(100, 100);
 }
 
-void TCompactTrieTest::TestFindTailsImpl(const TString& prefix) { 
+void TCompactTrieTest::TestFindTailsImpl(const TString& prefix) {
     TCompactTrieBuilder<> builder;
 
-    TMap<TString, ui64> input; 
+    TMap<TString, ui64> input;
 
     for (auto& i : SampleData) {
-        TString temp = i; 
+        TString temp = i;
         ui64 val = temp.size() * 2;
         builder.Add(temp.data(), temp.size(), val);
         if (temp.StartsWith(prefix)) {
@@ -751,7 +751,7 @@ void TCompactTrieTest::TestFindTailsImpl(const TString& prefix) {
 
     TTrie subtrie = trie.FindTails(prefix.data(), prefix.size());
 
-    TMap<TString, ui64> output; 
+    TMap<TString, ui64> output;
 
     for (TTrie::TConstIterator i = subtrie.Begin(), mi = subtrie.End(); i != mi; ++i) {
         TTrie::TValueType val = *i;
@@ -847,7 +847,7 @@ void TCompactTrieTest::TestMergeFromFile() {
         b.Add("yandex", 12);
         b.Add("google", 13);
         b.Add("mail", 14);
-        TUnbufferedFileOutput out(GetSystemTempDir() + "/TCompactTrieTest-TestMerge-ru"); 
+        TUnbufferedFileOutput out(GetSystemTempDir() + "/TCompactTrieTest-TestMerge-ru");
         b.Save(out);
     }
 
@@ -856,7 +856,7 @@ void TCompactTrieTest::TestMergeFromFile() {
         b.Add("yandex", 112);
         b.Add("google", 113);
         b.Add("yahoo", 114);
-        TUnbufferedFileOutput out(GetSystemTempDir() + "/TCompactTrieTest-TestMerge-com"); 
+        TUnbufferedFileOutput out(GetSystemTempDir() + "/TCompactTrieTest-TestMerge-com");
         b.Save(out);
     }
 
@@ -865,7 +865,7 @@ void TCompactTrieTest::TestMergeFromFile() {
         UNIT_ASSERT(b.AddSubtreeInFile("com.", GetSystemTempDir() + "/TCompactTrieTest-TestMerge-com"));
         UNIT_ASSERT(b.Add("org.kernel", 22));
         UNIT_ASSERT(b.AddSubtreeInFile("ru.", GetSystemTempDir() + "/TCompactTrieTest-TestMerge-ru"));
-        TUnbufferedFileOutput out(GetSystemTempDir() + "/TCompactTrieTest-TestMerge-res"); 
+        TUnbufferedFileOutput out(GetSystemTempDir() + "/TCompactTrieTest-TestMerge-res");
         b.Save(out);
     }
 
@@ -1026,7 +1026,7 @@ public:
 
 class TCompactTrieTest::TStrokaPacker: public TCompactTriePacker<TString> {
 public:
-    typedef TString TData; 
+    typedef TString TData;
 
     static TString Data(const TString& str) {
         return str;
@@ -1104,18 +1104,18 @@ void TCompactTrieTest::TestTrieSet() {
 
 // Tests for trie with vector (list, set) values
 
-TVector<TUtf16String> TCompactTrieTest::GetSampleKeys(size_t nKeys) const { 
+TVector<TUtf16String> TCompactTrieTest::GetSampleKeys(size_t nKeys) const {
     Y_ASSERT(nKeys <= 10);
-    TString sampleKeys[] = {"a", "b", "ac", "bd", "abe", "bcf", "deg", "ah", "xy", "abc"}; 
-    TVector<TUtf16String> result; 
+    TString sampleKeys[] = {"a", "b", "ac", "bd", "abe", "bcf", "deg", "ah", "xy", "abc"};
+    TVector<TUtf16String> result;
     for (size_t i = 0; i < nKeys; i++)
         result.push_back(ASCIIToWide(sampleKeys[i]));
     return result;
 }
 
 template <class TContainer>
-TVector<TContainer> TCompactTrieTest::GetSampleVectorData(size_t nValues) { 
-    TVector<TContainer> data; 
+TVector<TContainer> TCompactTrieTest::GetSampleVectorData(size_t nValues) {
+    TVector<TContainer> data;
     for (size_t i = 0; i < nValues; i++) {
         data.push_back(TContainer());
         for (size_t j = 0; j < i; j++)
@@ -1125,12 +1125,12 @@ TVector<TContainer> TCompactTrieTest::GetSampleVectorData(size_t nValues) {
 }
 
 template <class TContainer>
-TVector<TContainer> TCompactTrieTest::GetSampleTextVectorData(size_t nValues) { 
-    TVector<TContainer> data; 
+TVector<TContainer> TCompactTrieTest::GetSampleTextVectorData(size_t nValues) {
+    TVector<TContainer> data;
     for (size_t i = 0; i < nValues; i++) {
         data.push_back(TContainer());
         for (size_t j = 0; j < i; j++)
-            data[i].insert(data[i].end(), TString("abc") + ToString<size_t>(j)); 
+            data[i].insert(data[i].end(), TString("abc") + ToString<size_t>(j));
     }
     return data;
 }
@@ -1148,14 +1148,14 @@ void TCompactTrieTest::CheckEquality<TVector<i64>>(const TVector<i64>& value1, c
 }
 
 template <class TContainer>
-void TCompactTrieTest::TestTrieWithContainers(const TVector<TUtf16String>& keys, const TVector<TContainer>& sampleData, TString methodName) { 
-    TString fileName = GetSystemTempDir() + "/TCompactTrieTest-TestTrieWithContainers-" + methodName; 
+void TCompactTrieTest::TestTrieWithContainers(const TVector<TUtf16String>& keys, const TVector<TContainer>& sampleData, TString methodName) {
+    TString fileName = GetSystemTempDir() + "/TCompactTrieTest-TestTrieWithContainers-" + methodName;
 
     TCompactTrieBuilder<wchar16, TContainer> b;
     for (size_t i = 0; i < keys.size(); i++) {
         b.Add(keys[i], sampleData[i]);
     }
-    TUnbufferedFileOutput out(fileName); 
+    TUnbufferedFileOutput out(fileName);
     b.Save(out);
 
     TCompactTrie<wchar16, TContainer> trie(TBlob::FromFileSingleThreaded(fileName));
@@ -1174,13 +1174,13 @@ void TCompactTrieTest::TestTrieWithContainers(const TVector<TUtf16String>& keys,
 template <>
 void TCompactTrieTest::TestTrieWithContainers<std::pair<TUtf16String, TVector<i64>>>(const TVector<TUtf16String>& keys, const TVector<std::pair<TUtf16String, TVector<i64>>>& sampleData, TString methodName) {
     typedef std::pair<TUtf16String, TVector<i64>> TContainer;
-    TString fileName = GetSystemTempDir() + "/TCompactTrieTest-TestTrieWithContainers-" + methodName; 
+    TString fileName = GetSystemTempDir() + "/TCompactTrieTest-TestTrieWithContainers-" + methodName;
 
     TCompactTrieBuilder<wchar16, TContainer> b;
     for (size_t i = 0; i < keys.size(); i++) {
         b.Add(keys[i], sampleData[i]);
     }
-    TUnbufferedFileOutput out(fileName); 
+    TUnbufferedFileOutput out(fileName);
     b.Save(out);
 
     TCompactTrie<wchar16, TContainer> trie(TBlob::FromFileSingleThreaded(fileName));
@@ -1221,7 +1221,7 @@ void TCompactTrieTest::TestTrieForVectorWtroka() {
     TVector<TVector<TString>> data = GetSampleTextVectorData<TVector<TString>>(10);
     TVector<TVector<TUtf16String>> wData;
     for (size_t i = 0; i < data.size(); i++) {
-        wData.push_back(TVector<TUtf16String>()); 
+        wData.push_back(TVector<TUtf16String>());
         for (size_t j = 0; j < data[i].size(); j++)
             wData[i].push_back(UTF8ToWide(data[i][j]));
     }
@@ -1237,7 +1237,7 @@ void TCompactTrieTest::TestTrieForVectorDouble() {
 }
 
 void TCompactTrieTest::TestTrieForListVectorInt64() {
-    TVector<i64> tmp; 
+    TVector<i64> tmp;
     tmp.push_back(0);
     TList<TVector<i64>> dataElement(5, tmp);
     TVector<TList<TVector<i64>>> data(10, dataElement);
@@ -1245,7 +1245,7 @@ void TCompactTrieTest::TestTrieForListVectorInt64() {
 }
 
 void TCompactTrieTest::TestTrieForPairWtrokaVectorInt64() {
-    TVector<TUtf16String> keys = GetSampleKeys(10); 
+    TVector<TUtf16String> keys = GetSampleKeys(10);
     TVector<TVector<i64>> values = GetSampleVectorData<TVector<i64>>(10);
     TVector<std::pair<TUtf16String, TVector<i64>>> data;
     for (size_t i = 0; i < 10; i++)
@@ -1295,14 +1295,14 @@ void TCompactTrieTest::TestFindLongestPrefixWithEmptyValue() {
 
 template <typename TChar>
 struct TConvertKey {
-    static inline TString Convert(const TStringBuf& key) { 
+    static inline TString Convert(const TStringBuf& key) {
         return ToString(key);
     }
 };
 
 template <>
 struct TConvertKey<wchar16> {
-    static inline TUtf16String Convert(const TStringBuf& key) { 
+    static inline TUtf16String Convert(const TStringBuf& key) {
         return UTF8ToWide(key);
     }
 };
@@ -1436,8 +1436,8 @@ void TCompactTrieTest::TestFirstSymbolIteratorChar32() {
 
 void TCompactTrieTest::TestArrayPacker() {
     using TDataInt = std::array<int, 2>;
-    const std::pair<TString, TDataInt> dataXxx{"xxx", {{15, 16}}}; 
-    const std::pair<TString, TDataInt> dataYyy{"yyy", {{20, 30}}}; 
+    const std::pair<TString, TDataInt> dataXxx{"xxx", {{15, 16}}};
+    const std::pair<TString, TDataInt> dataYyy{"yyy", {{20, 30}}};
 
     TCompactTrieBuilder<char, TDataInt> trieBuilderOne;
     trieBuilderOne.Add(dataXxx.first, dataXxx.second);
@@ -1450,9 +1450,9 @@ void TCompactTrieTest::TestArrayPacker() {
     UNIT_ASSERT_VALUES_EQUAL(dataXxx.second, trieOne.Get(dataXxx.first));
     UNIT_ASSERT_VALUES_EQUAL(dataYyy.second, trieOne.Get(dataYyy.first));
 
-    using TDataStroka = std::array<TString, 2>; 
-    const std::pair<TString, TDataStroka> dataZzz{"zzz", {{"hello", "there"}}}; 
-    const std::pair<TString, TDataStroka> dataWww{"www", {{"half", "life"}}}; 
+    using TDataStroka = std::array<TString, 2>;
+    const std::pair<TString, TDataStroka> dataZzz{"zzz", {{"hello", "there"}}};
+    const std::pair<TString, TDataStroka> dataWww{"www", {{"half", "life"}}};
 
     TCompactTrieBuilder<char, TDataStroka> trieBuilderTwo;
     trieBuilderTwo.Add(dataZzz.first, dataZzz.second);
@@ -1480,8 +1480,8 @@ void TCompactTrieTest::TestBuilderFindLongestPrefix() {
 }
 
 void TCompactTrieTest::TestBuilderFindLongestPrefix(size_t keysCount, double branchProbability, bool isPrefixGrouped, bool hasEmptyKey) {
-    TVector<TString> keys; 
-    TString keyToAdd; 
+    TVector<TString> keys;
+    TString keyToAdd;
     for (size_t i = 0; i < keysCount; ++i) {
         const size_t prevKeyLen = keyToAdd.Size();
         // add two random chars to prev key
@@ -1500,16 +1500,16 @@ void TCompactTrieTest::TestBuilderFindLongestPrefix(size_t keysCount, double bra
     else
         Shuffle(keys.begin(), keys.end());
 
-    TCompactTrieBuilder<char, TString> builder(isPrefixGrouped ? CTBF_PREFIX_GROUPED : CTBF_NONE); 
-    const TString EMPTY_VALUE = "empty"; 
+    TCompactTrieBuilder<char, TString> builder(isPrefixGrouped ? CTBF_PREFIX_GROUPED : CTBF_NONE);
+    const TString EMPTY_VALUE = "empty";
     if (hasEmptyKey)
         builder.Add(nullptr, 0, EMPTY_VALUE);
 
     for (size_t i = 0; i < keysCount; ++i) {
-        const TString& key = keys[i]; 
+        const TString& key = keys[i];
 
         for (size_t j = 0; j < keysCount; ++j) {
-            const TString& otherKey = keys[j]; 
+            const TString& otherKey = keys[j];
             const bool exists = j < i;
             size_t expectedSize = 0;
             if (exists) {
@@ -1523,7 +1523,7 @@ void TCompactTrieTest::TestBuilderFindLongestPrefix(size_t keysCount, double bra
             }
 
             size_t prefixSize = 0xfcfcfc;
-            TString value = "abcd"; 
+            TString value = "abcd";
             const bool expectedResult = hasEmptyKey || expectedSize != 0;
             UNIT_ASSERT_VALUES_EQUAL_C(expectedResult, builder.FindLongestPrefix(otherKey.data(), otherKey.size(), &prefixSize, &value), "otherKey = " << HexEncode(otherKey));
             if (expectedResult) {
@@ -1539,10 +1539,10 @@ void TCompactTrieTest::TestBuilderFindLongestPrefix(size_t keysCount, double bra
             }
 
             for (int c = 0; c < 10; ++c) {
-                TString extendedKey = otherKey; 
+                TString extendedKey = otherKey;
                 extendedKey += RandChar();
                 size_t extendedPrefixSize = 0xdddddd;
-                TString extendedValue = "dcba"; 
+                TString extendedValue = "dcba";
                 UNIT_ASSERT_VALUES_EQUAL(expectedResult, builder.FindLongestPrefix(extendedKey.data(), extendedKey.size(), &extendedPrefixSize, &extendedValue));
                 if (expectedResult) {
                     UNIT_ASSERT_VALUES_EQUAL(value, extendedValue);
diff --git a/library/cpp/containers/comptrie/key_selector.h b/library/cpp/containers/comptrie/key_selector.h
index c4339d5a23..60466cef71 100644
--- a/library/cpp/containers/comptrie/key_selector.h
+++ b/library/cpp/containers/comptrie/key_selector.h
@@ -1,13 +1,13 @@
 #pragma once
 
 #include <util/generic/vector.h>
-#include <util/generic/string.h> 
+#include <util/generic/string.h>
 #include <util/generic/strbuf.h>
 
 template <class T>
 struct TCompactTrieKeySelector {
-    typedef TVector<T> TKey; 
-    typedef TVector<T> TKeyBuf; 
+    typedef TVector<T> TKey;
+    typedef TVector<T> TKeyBuf;
 };
 
 template <class TChar>
diff --git a/library/cpp/containers/comptrie/loader/loader.h b/library/cpp/containers/comptrie/loader/loader.h
index 3c1efb79bb..ee10e9b451 100644
--- a/library/cpp/containers/comptrie/loader/loader.h
+++ b/library/cpp/containers/comptrie/loader/loader.h
@@ -1,13 +1,13 @@
 #pragma once
 
 #include <library/cpp/archive/yarchive.h>
-#include <util/generic/string.h> 
+#include <util/generic/string.h>
 #include <util/generic/ptr.h>
 #include <util/generic/yexception.h>
 #include <util/memory/blob.h>
 
 template <class TrieType, size_t N>
-TrieType LoadTrieFromArchive(const TString& key, 
+TrieType LoadTrieFromArchive(const TString& key,
                              const unsigned char (&data)[N],
                              bool ignoreErrors = false) {
     TArchiveReader archive(TBlob::NoCopy(data, sizeof(data)));
diff --git a/library/cpp/containers/comptrie/prefix_iterator.h b/library/cpp/containers/comptrie/prefix_iterator.h
index 7157d54dc1..b369bb4f42 100644
--- a/library/cpp/containers/comptrie/prefix_iterator.h
+++ b/library/cpp/containers/comptrie/prefix_iterator.h
@@ -26,11 +26,11 @@ private:
     bool Next();
 
 public:
-    TPrefixIterator(const TTrie& trie, const TSymbol* aKey, size_t aKeylen) 
+    TPrefixIterator(const TTrie& trie, const TSymbol* aKey, size_t aKeylen)
         : Trie(trie)
-        , key(aKey) 
-        , keylen(aKeylen) 
-        , keyend(aKey + aKeylen) 
+        , key(aKey)
+        , keylen(aKeylen)
+        , keyend(aKey + aKeylen)
         , prefixLen(0)
         , valuepos(nullptr)
         , datapos(trie.DataHolder.AsCharPtr())
diff --git a/library/cpp/containers/comptrie/write_trie_backwards.h b/library/cpp/containers/comptrie/write_trie_backwards.h
index 84f69f078f..634e6b811a 100644
--- a/library/cpp/containers/comptrie/write_trie_backwards.h
+++ b/library/cpp/containers/comptrie/write_trie_backwards.h
@@ -2,7 +2,7 @@
 
 #include "minimize.h"
 
-#include <util/generic/vector.h> 
+#include <util/generic/vector.h>
 #include <util/stream/output.h>
 #include <cstddef>
 
diff --git a/library/cpp/containers/intrusive_avl_tree/ut/avltree_ut.cpp b/library/cpp/containers/intrusive_avl_tree/ut/avltree_ut.cpp
index 8aef3cd5b9..cab2365cce 100644
--- a/library/cpp/containers/intrusive_avl_tree/ut/avltree_ut.cpp
+++ b/library/cpp/containers/intrusive_avl_tree/ut/avltree_ut.cpp
@@ -14,7 +14,7 @@ private:
 
     class TIt;
     struct TItCompare {
-        static inline bool Compare(const TIt& l, const TIt& r) noexcept; 
+        static inline bool Compare(const TIt& l, const TIt& r) noexcept;
     };
 
     class TIt: public TAvlTreeItem<TIt, TItCompare> {
@@ -30,7 +30,7 @@ private:
     using TIts = TAvlTree<TIt, TItCompare>;
 };
 
-inline bool TAvlTreeTest::TItCompare::Compare(const TIt& l, const TIt& r) noexcept { 
+inline bool TAvlTreeTest::TItCompare::Compare(const TIt& l, const TIt& r) noexcept {
     return l.Val < r.Val;
 }
 
@@ -80,12 +80,12 @@ void TAvlTreeTest::TestIterator() {
     its.Insert(&it6);
     its.Insert(&it2);
 
-    TVector<int> res; 
+    TVector<int> res;
     for (const TIt& i : its) {
         res.push_back(i.Val);
     }
 
-    TVector<int> expected{1, 2, 3, 4, 5, 6, 7}; 
+    TVector<int> expected{1, 2, 3, 4, 5, 6, 7};
     UNIT_ASSERT_EQUAL(res, expected);
 
     res.clear();
diff --git a/library/cpp/containers/intrusive_rb_tree/fuzz/rb_tree_fuzzing.cpp b/library/cpp/containers/intrusive_rb_tree/fuzz/rb_tree_fuzzing.cpp
index 9eeac01d2f..92370760b5 100644
--- a/library/cpp/containers/intrusive_rb_tree/fuzz/rb_tree_fuzzing.cpp
+++ b/library/cpp/containers/intrusive_rb_tree/fuzz/rb_tree_fuzzing.cpp
@@ -34,7 +34,7 @@ public:
 using TTree = TRbTree<TNode, TCmp>;
 
 extern "C" int LLVMFuzzerTestOneInput(const ui8* data, size_t size) {
-    TDeque<TNode> records; 
+    TDeque<TNode> records;
     const ui8 half = 128u;
     TTree tree;
     for (size_t i = 0; i < size; ++i) {
diff --git a/library/cpp/containers/intrusive_rb_tree/rb_tree.h b/library/cpp/containers/intrusive_rb_tree/rb_tree.h
index 9ed6edaf1b..0259452a14 100644
--- a/library/cpp/containers/intrusive_rb_tree/rb_tree.h
+++ b/library/cpp/containers/intrusive_rb_tree/rb_tree.h
@@ -18,11 +18,11 @@ struct TRbTreeNodeBase {
     TBasePtr Right_;
     size_t Children_;
 
-    inline TRbTreeNodeBase() noexcept { 
+    inline TRbTreeNodeBase() noexcept {
         ReInitNode();
     }
 
-    inline void ReInitNode() noexcept { 
+    inline void ReInitNode() noexcept {
         Color_ = RBTreeBlack;
         Parent_ = nullptr;
         Left_ = nullptr;
@@ -82,7 +82,7 @@ struct TRbTreeBaseIterator {
     using TBasePtr = TRbTreeNodeBase*;
     TBasePtr Node_;
 
-    inline TRbTreeBaseIterator(TBasePtr x = nullptr) noexcept 
+    inline TRbTreeBaseIterator(TBasePtr x = nullptr) noexcept
         : Node_(x)
     {
     }
@@ -98,48 +98,48 @@ struct TRbTreeIterator: public TRbTreeBaseIterator {
     inline TRbTreeIterator() noexcept = default;
 
     template <class T1>
-    inline TRbTreeIterator(const T1& x) noexcept 
+    inline TRbTreeIterator(const T1& x) noexcept
         : TRbTreeBaseIterator(x)
     {
     }
 
-    inline TReference operator*() const noexcept { 
+    inline TReference operator*() const noexcept {
         return *static_cast<TValue*>(Node_);
     }
 
-    inline TPointer operator->() const noexcept { 
+    inline TPointer operator->() const noexcept {
         return static_cast<TValue*>(Node_);
     }
 
-    inline TSelf& operator++() noexcept { 
+    inline TSelf& operator++() noexcept {
         Node_ = TRbGlobalInst::IncrementNode(Node_);
         return *this;
     }
 
-    inline TSelf operator++(int) noexcept { 
+    inline TSelf operator++(int) noexcept {
         TSelf tmp = *this;
         ++(*this);
         return tmp;
     }
 
-    inline TSelf& operator--() noexcept { 
+    inline TSelf& operator--() noexcept {
         Node_ = TRbGlobalInst::DecrementNode(Node_);
         return *this;
     }
 
-    inline TSelf operator--(int) noexcept { 
+    inline TSelf operator--(int) noexcept {
         TSelf tmp = *this;
         --(*this);
         return tmp;
     }
 
     template <class T1>
-    inline bool operator==(const T1& rhs) const noexcept { 
+    inline bool operator==(const T1& rhs) const noexcept {
         return Node_ == rhs.Node_;
     }
 
     template <class T1>
-    inline bool operator!=(const T1& rhs) const noexcept { 
+    inline bool operator!=(const T1& rhs) const noexcept {
         return Node_ != rhs.Node_;
     }
 };
@@ -149,7 +149,7 @@ class TRbTree {
     struct TCmpAdaptor: public TCmp {
         inline TCmpAdaptor() noexcept = default;
 
-        inline TCmpAdaptor(const TCmp& cmp) noexcept 
+        inline TCmpAdaptor(const TCmp& cmp) noexcept
             : TCmp(cmp)
         {
         }
@@ -182,11 +182,11 @@ public:
         {
         }
 
-        inline ~TRealNode() { 
+        inline ~TRealNode() {
             UnLink();
         }
 
-        inline void UnLink() noexcept { 
+        inline void UnLink() noexcept {
             if (Tree_) {
                 Tree_->EraseImpl(this);
                 ReInitNode();
@@ -194,11 +194,11 @@ public:
             }
         }
 
-        inline void SetRbTreeParent(TRbTree* parent) noexcept { 
+        inline void SetRbTreeParent(TRbTree* parent) noexcept {
             Tree_ = parent;
         }
 
-        inline TRbTree* ParentTree() const noexcept { 
+        inline TRbTree* ParentTree() const noexcept {
             return Tree_;
         }
 
@@ -209,17 +209,17 @@ public:
     using TIterator = TRbTreeIterator<TValue, TNonConstTraits>;
     using TConstIterator = TRbTreeIterator<TValue, TConstTraits>;
 
-    inline TRbTree() noexcept { 
+    inline TRbTree() noexcept {
         Init();
     }
 
-    inline TRbTree(const TCmp& cmp) noexcept 
+    inline TRbTree(const TCmp& cmp) noexcept
         : KeyCompare_(cmp)
     {
         Init();
     }
 
-    inline void Init() noexcept { 
+    inline void Init() noexcept {
         Data_.Color_ = RBTreeRed;
         Data_.Parent_ = nullptr;
         Data_.Left_ = &Data_;
@@ -228,17 +228,17 @@ public:
     }
 
     struct TDestroy {
-        inline void operator()(TValue& v) const noexcept { 
+        inline void operator()(TValue& v) const noexcept {
             v.SetRbTreeParent(nullptr);
             v.ReInitNode();
         }
     };
 
-    inline ~TRbTree() { 
+    inline ~TRbTree() {
         ForEachNoOrder(TDestroy());
     }
 
-    inline void Clear() noexcept { 
+    inline void Clear() noexcept {
         ForEachNoOrder(TDestroy());
         Init();
     }
@@ -257,27 +257,27 @@ public:
         }
     }
 
-    inline TIterator Begin() noexcept { 
+    inline TIterator Begin() noexcept {
         return LeftMost();
     }
 
-    inline TConstIterator Begin() const noexcept { 
+    inline TConstIterator Begin() const noexcept {
         return LeftMost();
     }
 
-    inline TIterator End() noexcept { 
+    inline TIterator End() noexcept {
         return &this->Data_;
     }
 
-    inline TConstIterator End() const noexcept { 
+    inline TConstIterator End() const noexcept {
         return const_cast<TBasePtr>(&this->Data_);
     }
 
-    inline bool Empty() const noexcept { 
+    inline bool Empty() const noexcept {
         return this->Begin() == this->End();
     }
 
-    inline explicit operator bool() const noexcept { 
+    inline explicit operator bool() const noexcept {
         return !this->Empty();
     }
 
@@ -314,19 +314,19 @@ public:
         }
     }
 
-    inline void Erase(TValue& val) noexcept { 
+    inline void Erase(TValue& val) noexcept {
         val.UnLink();
     }
 
-    inline void Erase(TValue* val) noexcept { 
+    inline void Erase(TValue* val) noexcept {
         Erase(*val);
     }
 
-    inline void Erase(TIterator pos) noexcept { 
+    inline void Erase(TIterator pos) noexcept {
         Erase(*pos);
     }
 
-    inline void EraseImpl(TNodeBase* val) noexcept { 
+    inline void EraseImpl(TNodeBase* val) noexcept {
         TRbGlobalInst::RebalanceForErase(val, this->Data_.Parent_, this->Data_.Left_, this->Data_.Right_);
     }
 
diff --git a/library/cpp/containers/intrusive_rb_tree/rb_tree_ut.cpp b/library/cpp/containers/intrusive_rb_tree/rb_tree_ut.cpp
index b1fb8d4a59..c34ed1fd9b 100644
--- a/library/cpp/containers/intrusive_rb_tree/rb_tree_ut.cpp
+++ b/library/cpp/containers/intrusive_rb_tree/rb_tree_ut.cpp
@@ -26,7 +26,7 @@ class TRedBlackTreeTest: public TTestBase {
 
     class TNode: public TRbTreeItem<TNode, TCmp> {
     public:
-        inline TNode(int n) noexcept 
+        inline TNode(int n) noexcept
             : N(n)
         {
         }
@@ -51,7 +51,7 @@ class TRedBlackTreeTest: public TTestBase {
 
 private:
     inline void TestStress() {
-        TVector<TSimpleSharedPtr<TNode>> nodes; 
+        TVector<TSimpleSharedPtr<TNode>> nodes;
 
         for (int i = 0; i < 1000; ++i) {
             nodes.push_back(new TNode(i));
@@ -78,7 +78,7 @@ private:
     }
 
     inline void TestGettingIndexWithDifferentValues() {
-        TVector<TSimpleSharedPtr<TNode>> nodes; 
+        TVector<TSimpleSharedPtr<TNode>> nodes;
         size_t N = 1000;
 
         for (size_t i = 0; i < N; ++i) {
@@ -105,7 +105,7 @@ private:
     }
 
     inline void TestCheckChildrenAfterErase() {
-        TVector<TSimpleSharedPtr<TNode>> nodes; 
+        TVector<TSimpleSharedPtr<TNode>> nodes;
         size_t N = 1000;
 
         for (size_t i = 0; i < N; ++i) {
@@ -138,7 +138,7 @@ private:
     }
 
     inline void TestGettingIndexWithDifferentValuesAfterErase() {
-        TVector<TSimpleSharedPtr<TNode>> nodes; 
+        TVector<TSimpleSharedPtr<TNode>> nodes;
         size_t N = 1000;
 
         for (size_t i = 0; i < N; ++i) {
@@ -176,7 +176,7 @@ private:
     }
 
     inline void TestGettingIndexWithEqualValues() {
-        TVector<TSimpleSharedPtr<TNode>> nodes; 
+        TVector<TSimpleSharedPtr<TNode>> nodes;
         size_t N = 1000;
 
         for (size_t i = 0; i < N; ++i) {
diff --git a/library/cpp/containers/ring_buffer/ring_buffer.h b/library/cpp/containers/ring_buffer/ring_buffer.h
index a7e694b17c..41220dcf6b 100644
--- a/library/cpp/containers/ring_buffer/ring_buffer.h
+++ b/library/cpp/containers/ring_buffer/ring_buffer.h
@@ -68,7 +68,7 @@ private:
 private:
     size_t MaxSize;
     size_t Begin = 0;
-    TVector<T> Items; 
+    TVector<T> Items;
 };
 
 template <typename T, size_t maxSize>
diff --git a/library/cpp/containers/sorted_vector/sorted_vector.h b/library/cpp/containers/sorted_vector/sorted_vector.h
index d9a242ab59..123539af9e 100644
--- a/library/cpp/containers/sorted_vector/sorted_vector.h
+++ b/library/cpp/containers/sorted_vector/sorted_vector.h
@@ -50,9 +50,9 @@ namespace NSorted {
     // Sorted vector, which is order by the key. The key is extracted from the value by the provided key-extractor
     template <typename TValueType, typename TKeyType = TValueType, class TKeyExtractor = TIdentity,
               class TPredicate = TLess<TKeyType>, class A = std::allocator<TValueType>>
-    class TSortedVector: public TVector<TValueType, A> { 
+    class TSortedVector: public TVector<TValueType, A> {
     private:
-        typedef TVector<TValueType, A> TBase; 
+        typedef TVector<TValueType, A> TBase;
         typedef NPrivate::TKeyCompare<TValueType, TPredicate, TKeyExtractor> TKeyCompare;
         typedef NPrivate::TEqual<TKeyCompare> TValueEqual;
         typedef NPrivate::TEqual<TPredicate> TKeyEqual;
@@ -364,7 +364,7 @@ namespace NSorted {
         inline TValueType& Get(const TKeyType& key) {
             typename TBase::iterator i = TBase::LowerBound(key);
             if (i == TBase::end() || key != i->first)
-                return TVector<std::pair<TKeyType, TValueType>, A>::insert(i, std::make_pair(key, TValueType()))->second; 
+                return TVector<std::pair<TKeyType, TValueType>, A>::insert(i, std::make_pair(key, TValueType()))->second;
             else
                 return i->second;
         }
@@ -437,7 +437,7 @@ namespace NSorted {
         inline TValueType& Get(const TKeyType& key) {
             typename TBase::iterator i = TBase::LowerBound(key);
             if (i == TBase::end() || !TKeyEqual()(TKeyExtractor()(*i), key))
-                i = TVector<TValueType, A>::insert(i, TValueType(key)); 
+                i = TVector<TValueType, A>::insert(i, TValueType(key));
             return *i;
         }
 
diff --git a/library/cpp/containers/stack_array/range_ops.h b/library/cpp/containers/stack_array/range_ops.h
index 7b61b15758..1d40341aa1 100644
--- a/library/cpp/containers/stack_array/range_ops.h
+++ b/library/cpp/containers/stack_array/range_ops.h
@@ -7,7 +7,7 @@
 namespace NRangeOps {
     template <class T, bool isTrivial>
     struct TRangeOpsBase {
-        static inline void DestroyRange(T* b, T* e) noexcept { 
+        static inline void DestroyRange(T* b, T* e) noexcept {
             while (e > b) {
                 (--e)->~T();
             }
@@ -30,10 +30,10 @@ namespace NRangeOps {
 
     template <class T>
     struct TRangeOpsBase<T, true> {
-        static inline void DestroyRange(T*, T*) noexcept { 
+        static inline void DestroyRange(T*, T*) noexcept {
         }
 
-        static inline void InitializeRange(T*, T*) noexcept { 
+        static inline void InitializeRange(T*, T*) noexcept {
         }
     };
 
@@ -41,7 +41,7 @@ namespace NRangeOps {
     using TRangeOps = TRangeOpsBase<T, TTypeTraits<T>::IsPod>;
 
     template <class T>
-    static inline void DestroyRange(T* b, T* e) noexcept { 
+    static inline void DestroyRange(T* b, T* e) noexcept {
         TRangeOps<T>::DestroyRange(b, e);
     }
 
diff --git a/library/cpp/containers/stack_array/stack_array.h b/library/cpp/containers/stack_array/stack_array.h
index 9f097da72c..28e49bfc3c 100644
--- a/library/cpp/containers/stack_array/stack_array.h
+++ b/library/cpp/containers/stack_array/stack_array.h
@@ -2,12 +2,12 @@
 
 #include "range_ops.h"
 
-#include <util/generic/array_ref.h> 
+#include <util/generic/array_ref.h>
 #include <util/system/defaults.h> /* For alloca. */
 
 namespace NStackArray {
     /**
-     * A stack-allocated array. Should be used instead of � variable length 
+     * A stack-allocated array. Should be used instead of � variable length
      * arrays that are not part of C++ standard.
      *
      * Example usage:
@@ -31,7 +31,7 @@ namespace NStackArray {
             NRangeOps::InitializeRange(this->begin(), this->end());
         }
 
-        inline ~TStackArray() { 
+        inline ~TStackArray() {
             NRangeOps::DestroyRange(this->begin(), this->end());
         }
     };
diff --git a/library/cpp/containers/stack_vector/stack_vec.h b/library/cpp/containers/stack_vector/stack_vec.h
index bb90c55381..fcc5d9a2a5 100644
--- a/library/cpp/containers/stack_vector/stack_vec.h
+++ b/library/cpp/containers/stack_vector/stack_vec.h
@@ -7,7 +7,7 @@
 
 // A vector preallocated on the stack.
 // After exceeding the preconfigured stack space falls back to the heap.
-// Publicly inherits TVector, but disallows swap (and hence shrink_to_fit, also operator= is reimplemented via copying). 
+// Publicly inherits TVector, but disallows swap (and hence shrink_to_fit, also operator= is reimplemented via copying).
 //
 // Inspired by: http://qt-project.org/doc/qt-4.8/qvarlengtharray.html#details
 
diff --git a/library/cpp/containers/str_map/str_map.h b/library/cpp/containers/str_map/str_map.h
index 0be25902e6..31b00d1b99 100644
--- a/library/cpp/containers/str_map/str_map.h
+++ b/library/cpp/containers/str_map/str_map.h
@@ -35,12 +35,12 @@ pool_insert(Map* m, const char* key, const typename Map::mapped_type& data, TBuf
 #define AVERAGEWORD_BUF 10
 
 template <class T, class HashFcn, class EqualTo, class Alloc>
-class string_hash: public THashMap<const char*, T, HashFcn, EqualTo, Alloc> { 
+class string_hash: public THashMap<const char*, T, HashFcn, EqualTo, Alloc> {
 protected:
     TBuffer pool;
 
 public:
-    using yh = THashMap<const char*, T, HashFcn, EqualTo, Alloc>; 
+    using yh = THashMap<const char*, T, HashFcn, EqualTo, Alloc>;
     using iterator = typename yh::iterator;
     using const_iterator = typename yh::const_iterator;
     using mapped_type = typename yh::mapped_type;
@@ -50,7 +50,7 @@ public:
         pool.Reserve(HASH_SIZE_DEFAULT * AVERAGEWORD_BUF); // reserve here
     }
     string_hash(size_type hash_size, pool_size_type pool_size)
-        : THashMap<const char*, T, HashFcn, EqualTo, Alloc>(hash_size) 
+        : THashMap<const char*, T, HashFcn, EqualTo, Alloc>(hash_size)
     {
         pool.Reserve(pool_size); // reserve here
     }
@@ -68,14 +68,14 @@ public:
     }
 
     string_hash(const string_hash& sh)
-        : THashMap<const char*, T, HashFcn, EqualTo, Alloc>() 
+        : THashMap<const char*, T, HashFcn, EqualTo, Alloc>()
     {
         for (const_iterator i = sh.begin(); i != sh.end(); ++i)
             insert_copy((*i).first, (*i).second);
     }
     /* May be faster?
     string_hash(const string_hash& sh)
-        : THashMap<const char *, T, HashFcn, EqualTo>(sh) 
+        : THashMap<const char *, T, HashFcn, EqualTo>(sh)
     {
         pool = sh.pool;
         size_t delta = pool.begin() - sh.pool.begin();
@@ -101,12 +101,12 @@ public:
 };
 
 template <class C, class T, class HashFcn, class EqualTo>
-class THashWithSegmentedPoolForKeys: protected  THashMap<const C*, T, HashFcn, EqualTo>, TNonCopyable { 
+class THashWithSegmentedPoolForKeys: protected  THashMap<const C*, T, HashFcn, EqualTo>, TNonCopyable {
 protected:
     segmented_pool<C> pool;
 
 public:
-    using yh = THashMap<const C*, T, HashFcn, EqualTo>; 
+    using yh = THashMap<const C*, T, HashFcn, EqualTo>;
     using iterator = typename yh::iterator;
     using const_iterator = typename yh::const_iterator;
     using mapped_type = typename yh::mapped_type;
@@ -170,7 +170,7 @@ public:
         return yh::find(key);
     }
 
-    const yh& get_THashMap() const { 
+    const yh& get_THashMap() const {
         return static_cast<const yh&>(*this);
     }
 };
diff --git a/library/cpp/containers/top_keeper/top_keeper.h b/library/cpp/containers/top_keeper/top_keeper.h
index d25adb079f..2f282b5a9e 100644
--- a/library/cpp/containers/top_keeper/top_keeper.h
+++ b/library/cpp/containers/top_keeper/top_keeper.h
@@ -10,7 +10,7 @@ class TTopKeeper {
 private:
     class TVectorWithMin {
     private:
-        TVector<T, Alloc> Internal; 
+        TVector<T, Alloc> Internal;
         size_t HalfMaxSize;
         TComparator Comparer;
         size_t MinElementIndex;
diff --git a/library/cpp/containers/top_keeper/top_keeper/top_keeper.h b/library/cpp/containers/top_keeper/top_keeper/top_keeper.h
index d25adb079f..2f282b5a9e 100644
--- a/library/cpp/containers/top_keeper/top_keeper/top_keeper.h
+++ b/library/cpp/containers/top_keeper/top_keeper/top_keeper.h
@@ -10,7 +10,7 @@ class TTopKeeper {
 private:
     class TVectorWithMin {
     private:
-        TVector<T, Alloc> Internal; 
+        TVector<T, Alloc> Internal;
         size_t HalfMaxSize;
         TComparator Comparer;
         size_t MinElementIndex;
diff --git a/library/cpp/containers/top_keeper/top_keeper/ut/top_keeper_ut.cpp b/library/cpp/containers/top_keeper/top_keeper/ut/top_keeper_ut.cpp
index 724132aed9..a938279025 100644
--- a/library/cpp/containers/top_keeper/top_keeper/ut/top_keeper_ut.cpp
+++ b/library/cpp/containers/top_keeper/top_keeper/ut/top_keeper_ut.cpp
@@ -163,14 +163,14 @@ Y_UNIT_TEST_SUITE(TTopKeeperTest) {
         typedef std::pair<float, unsigned int> TElementType;
 
         const size_t randomTriesCount = 128;
-        for (size_t i1 = 0; i1 < randomTriesCount; ++i1) { 
+        for (size_t i1 = 0; i1 < randomTriesCount; ++i1) {
             const size_t desiredElementsCount = RandomNumber<size_t>(5) + 1;
             TLimitedHeap<TElementType> h1(desiredElementsCount);
             TTopKeeper<TElementType> h2(desiredElementsCount);
 
             const size_t elementsToInsert = RandomNumber<size_t>(10) + desiredElementsCount;
             UNIT_ASSERT_C(desiredElementsCount <= elementsToInsert, "Test internal invariant is broken");
-            for (size_t i2 = 0; i2 < elementsToInsert; ++i2) { 
+            for (size_t i2 = 0; i2 < elementsToInsert; ++i2) {
                 const auto f = RandomNumber<float>();
                 const auto id = RandomNumber<unsigned int>();
 
@@ -185,7 +185,7 @@ Y_UNIT_TEST_SUITE(TTopKeeperTest) {
             UNIT_ASSERT_EQUAL(h2.GetSize(), desiredElementsCount);
 
             const auto n = h2.GetSize();
-            for (size_t i3 = 0; i3 < n; ++i3) { 
+            for (size_t i3 = 0; i3 < n; ++i3) {
                 UNIT_ASSERT_EQUAL(h1.GetMin(), h2.GetNext());
                 h1.PopMin();
                 h2.Pop();
@@ -195,7 +195,7 @@ Y_UNIT_TEST_SUITE(TTopKeeperTest) {
 
     Y_UNIT_TEST(CopyKeeperRegressionCase) {
         using TKeeper = TTopKeeper<float>;
-        TVector<TKeeper> v(2, TKeeper(200)); 
+        TVector<TKeeper> v(2, TKeeper(200));
         auto& k = v[1];
         for (size_t i = 0; i < 100; ++i) {
             k.Insert(RandomNumber<float>());
diff --git a/library/cpp/containers/top_keeper/ut/top_keeper_ut.cpp b/library/cpp/containers/top_keeper/ut/top_keeper_ut.cpp
index 724132aed9..a938279025 100644
--- a/library/cpp/containers/top_keeper/ut/top_keeper_ut.cpp
+++ b/library/cpp/containers/top_keeper/ut/top_keeper_ut.cpp
@@ -163,14 +163,14 @@ Y_UNIT_TEST_SUITE(TTopKeeperTest) {
         typedef std::pair<float, unsigned int> TElementType;
 
         const size_t randomTriesCount = 128;
-        for (size_t i1 = 0; i1 < randomTriesCount; ++i1) { 
+        for (size_t i1 = 0; i1 < randomTriesCount; ++i1) {
             const size_t desiredElementsCount = RandomNumber<size_t>(5) + 1;
             TLimitedHeap<TElementType> h1(desiredElementsCount);
             TTopKeeper<TElementType> h2(desiredElementsCount);
 
             const size_t elementsToInsert = RandomNumber<size_t>(10) + desiredElementsCount;
             UNIT_ASSERT_C(desiredElementsCount <= elementsToInsert, "Test internal invariant is broken");
-            for (size_t i2 = 0; i2 < elementsToInsert; ++i2) { 
+            for (size_t i2 = 0; i2 < elementsToInsert; ++i2) {
                 const auto f = RandomNumber<float>();
                 const auto id = RandomNumber<unsigned int>();
 
@@ -185,7 +185,7 @@ Y_UNIT_TEST_SUITE(TTopKeeperTest) {
             UNIT_ASSERT_EQUAL(h2.GetSize(), desiredElementsCount);
 
             const auto n = h2.GetSize();
-            for (size_t i3 = 0; i3 < n; ++i3) { 
+            for (size_t i3 = 0; i3 < n; ++i3) {
                 UNIT_ASSERT_EQUAL(h1.GetMin(), h2.GetNext());
                 h1.PopMin();
                 h2.Pop();
@@ -195,7 +195,7 @@ Y_UNIT_TEST_SUITE(TTopKeeperTest) {
 
     Y_UNIT_TEST(CopyKeeperRegressionCase) {
         using TKeeper = TTopKeeper<float>;
-        TVector<TKeeper> v(2, TKeeper(200)); 
+        TVector<TKeeper> v(2, TKeeper(200));
         auto& k = v[1];
         for (size_t i = 0; i < 100; ++i) {
             k.Insert(RandomNumber<float>());
diff --git a/library/cpp/coroutine/engine/coroutine_ut.cpp b/library/cpp/coroutine/engine/coroutine_ut.cpp
index fcc9a5a641..8b372496a2 100644
--- a/library/cpp/coroutine/engine/coroutine_ut.cpp
+++ b/library/cpp/coroutine/engine/coroutine_ut.cpp
@@ -125,11 +125,11 @@ void TCoroTest::TestException() {
     UNIT_ASSERT(!unc);
 }
 
-static int i0; 
+static int i0;
 
 static void CoRun(TCont* c, void* /*run*/) {
-    while (i0 < 100000) { 
-        ++i0; 
+    while (i0 < 100000) {
+        ++i0;
         UNIT_ASSERT(RunningCont() == c);
         c->Yield();
         UNIT_ASSERT(RunningCont() == c);
@@ -137,7 +137,7 @@ static void CoRun(TCont* c, void* /*run*/) {
 }
 
 static void CoMain(TCont* c, void* /*arg*/) {
-    for (volatile size_t i2 = 0; i2 < 10; ++i2) { 
+    for (volatile size_t i2 = 0; i2 < 10; ++i2) {
         UNIT_ASSERT(RunningCont() == c);
         c->Executor()->Create(CoRun, nullptr, "run");
         UNIT_ASSERT(RunningCont() == c);
@@ -192,7 +192,7 @@ public:
 };
 
 void TCoroTest::TestMemFun() {
-    i0 = 0; 
+    i0 = 0;
     TContExecutor e(32000);
     TTestObject obj;
     e.Create<TTestObject, &TTestObject::RunTask1>(&obj, "test1");
@@ -203,25 +203,25 @@ void TCoroTest::TestMemFun() {
 
 void TCoroTest::TestSimpleX2() {
     {
-        i0 = 0; 
+        i0 = 0;
 
         {
             TContExecutor e(32000);
             e.Execute(CoMain);
         }
 
-        UNIT_ASSERT_EQUAL(i0, 100000); 
+        UNIT_ASSERT_EQUAL(i0, 100000);
     }
 
     {
-        i0 = 0; 
+        i0 = 0;
 
         {
             TContExecutor e(32000);
             e.Execute(CoMain);
         }
 
-        UNIT_ASSERT_EQUAL(i0, 100000); 
+        UNIT_ASSERT_EQUAL(i0, 100000);
     }
 }
 
@@ -243,7 +243,7 @@ void TCoroTest::TestSimpleX3() {
     TContExecutor e(32000);
     TRunner runner;
 
-    for (volatile size_t i3 = 0; i3 < 1000; ++i3) { 
+    for (volatile size_t i3 = 0; i3 < 1000; ++i3) {
         e.Create(runner, "runner");
     }
 
@@ -252,7 +252,7 @@ void TCoroTest::TestSimpleX3() {
     UNIT_ASSERT_EQUAL(runner.Runs, 1000);
 }
 
-static TString res; 
+static TString res;
 static TContMutex mutex;
 
 static void CoMutex(TCont* c, void* /*run*/) {
@@ -289,7 +289,7 @@ static TContMutex m1;
 static TContCondVar c1;
 
 static void CoCondVar(TCont* c, void* /*run*/) {
-    for (size_t i4 = 0; i4 < 3; ++i4) { 
+    for (size_t i4 = 0; i4 < 3; ++i4) {
         UNIT_ASSERT_EQUAL(m1.LockI(c), 0);
         UNIT_ASSERT_EQUAL(c1.WaitI(c, &m1), 0);
         res += c->Name();
@@ -311,8 +311,8 @@ static void CoCondVarTest(TCont* c, void* /*run*/) {
     c->Executor()->Create(CoCondVar, nullptr, "6");
     c->Yield();
 
-    for (size_t i5 = 0; i5 < 3; ++i5) { 
-        res += ToString((size_t)i5) + "^"; 
+    for (size_t i5 = 0; i5 < 3; ++i5) {
+        res += ToString((size_t)i5) + "^";
         c1.BroadCast();
         c->Yield();
     }
diff --git a/library/cpp/coroutine/engine/impl.h b/library/cpp/coroutine/engine/impl.h
index 0abfa5582c..283a96ecf1 100644
--- a/library/cpp/coroutine/engine/impl.h
+++ b/library/cpp/coroutine/engine/impl.h
@@ -160,7 +160,7 @@ public:
         NCoro::ITime* time = nullptr
     );
 
-    ~TContExecutor(); 
+    ~TContExecutor();
 
     // if we already have a coroutine to run
     void Execute() noexcept;
diff --git a/library/cpp/coroutine/engine/poller.cpp b/library/cpp/coroutine/engine/poller.cpp
index 73398d8e65..61164fa56b 100644
--- a/library/cpp/coroutine/engine/poller.cpp
+++ b/library/cpp/coroutine/engine/poller.cpp
@@ -128,11 +128,11 @@ namespace {
             }
         };
 
-        typedef TIntrusiveList<TVal> TListType; 
+        typedef TIntrusiveList<TVal> TListType;
 
     public:
-        typedef typename TListType::TIterator TIterator; 
-        typedef typename TListType::TConstIterator TConstIterator; 
+        typedef typename TListType::TIterator TIterator;
+        typedef typename TListType::TConstIterator TConstIterator;
 
         TIndexedArray()
             : P_(TMemoryPool::TExpGrow::Instance(), TDefaultAllocator::Instance())
@@ -184,7 +184,7 @@ namespace {
         using TValRef = THolder<TVal>;
         typename TVal::TPool P_;
         TSocketMap<TValRef> V_;
-        TListType I_; 
+        TListType I_;
     };
 
 
@@ -306,7 +306,7 @@ namespace {
     private:
         typedef TIndexedArray<TChange> TFds;
         TFds S_;
-        typedef TVector<pollfd> TPollVec; 
+        typedef TVector<pollfd> TPollVec;
         TPollVec T_;
     };
 
diff --git a/library/cpp/coroutine/engine/sockmap.h b/library/cpp/coroutine/engine/sockmap.h
index 193ec2261b..fd189e1774 100644
--- a/library/cpp/coroutine/engine/sockmap.h
+++ b/library/cpp/coroutine/engine/sockmap.h
@@ -19,6 +19,6 @@ public:
     }
 
 private:
-    TVector<T> V_; 
-    THashMap<size_t, T> H_; 
+    TVector<T> V_;
+    THashMap<size_t, T> H_;
 };
diff --git a/library/cpp/coroutine/engine/sockpool.h b/library/cpp/coroutine/engine/sockpool.h
index 953f4f600c..1ebb7e7b38 100644
--- a/library/cpp/coroutine/engine/sockpool.h
+++ b/library/cpp/coroutine/engine/sockpool.h
@@ -77,7 +77,7 @@ class TPooledSocket {
         }
 
     private:
-        inline void ReturnToPool() noexcept; 
+        inline void ReturnToPool() noexcept;
 
     private:
         TSocketPool* Pool_;
@@ -222,7 +222,7 @@ private:
     TMutex Mutex_;
 };
 
-inline void TPooledSocket::TImpl::ReturnToPool() noexcept { 
+inline void TPooledSocket::TImpl::ReturnToPool() noexcept {
     Pool_->Release(this);
 }
 
diff --git a/library/cpp/coroutine/listener/listen.cpp b/library/cpp/coroutine/listener/listen.cpp
index 58795e07e4..3d4e711d1d 100644
--- a/library/cpp/coroutine/listener/listen.cpp
+++ b/library/cpp/coroutine/listener/listen.cpp
@@ -16,12 +16,12 @@ namespace {
         const sockaddr_in* In;
         const sockaddr_in6* In6;
 
-        inline TSa(const sockaddr* sa) noexcept 
+        inline TSa(const sockaddr* sa) noexcept
             : Sa(sa)
         {
         }
 
-        inline bool operator==(const TSa& r) const noexcept { 
+        inline bool operator==(const TSa& r) const noexcept {
             if (Sa->sa_family == r.Sa->sa_family) {
                 switch (Sa->sa_family) {
                     case AF_INET:
@@ -34,7 +34,7 @@ namespace {
             return false;
         }
 
-        inline bool operator!=(const TSa& r) const noexcept { 
+        inline bool operator!=(const TSa& r) const noexcept {
             return !(*this == r);
         }
     };
@@ -43,7 +43,7 @@ namespace {
 class TContListener::TImpl {
 private:
     struct TStoredAddrInfo: public TAddrInfo, private TNetworkAddress {
-        inline TStoredAddrInfo(const struct addrinfo* ai, const TNetworkAddress& addr) noexcept 
+        inline TStoredAddrInfo(const struct addrinfo* ai, const TNetworkAddress& addr) noexcept
             : TAddrInfo(ai)
             , TNetworkAddress(addr)
         {
@@ -84,12 +84,12 @@ private:
             }
         }
 
-        inline ~TOneSocketListener() { 
+        inline ~TOneSocketListener() {
             Stop();
         }
 
     public:
-        inline void Run(TCont* cont) noexcept { 
+        inline void Run(TCont* cont) noexcept {
             C_ = cont;
             DoRun();
             C_ = nullptr;
@@ -111,11 +111,11 @@ private:
             }
         }
 
-        inline const IRemoteAddr* Addr() const noexcept { 
+        inline const IRemoteAddr* Addr() const noexcept {
             return Addr_.Get();
         }
 
-        inline void Stop() noexcept { 
+        inline void Stop() noexcept {
             if (C_) {
                 C_->Cancel();
 
@@ -126,7 +126,7 @@ private:
         }
 
     private:
-        inline void DoRun() noexcept { 
+        inline void DoRun() noexcept {
             while (!C_->Cancelled()) {
                 try {
                     TOpaqueAddr remote;
@@ -208,7 +208,7 @@ private:
     };
 
 public:
-    inline TImpl(ICallBack* cb, TContExecutor* e, const TOptions& opts) noexcept 
+    inline TImpl(ICallBack* cb, TContExecutor* e, const TOptions& opts) noexcept
         : E_(e)
         , Cb_(cb)
         , Opts_(opts)
@@ -274,7 +274,7 @@ TContListener::TContListener(ICallBack* cb, TContExecutor* e, const TOptions& op
 {
 }
 
-TContListener::~TContListener() { 
+TContListener::~TContListener() {
 }
 
 namespace {
@@ -315,7 +315,7 @@ void TContListener::Bind(const TNetworkAddress& addr) {
     CheckImpl(Impl_)->Bind(addr);
 }
 
-void TContListener::Stop() noexcept { 
+void TContListener::Stop() noexcept {
     Impl_.Destroy();
 }
 
diff --git a/library/cpp/coroutine/listener/listen.h b/library/cpp/coroutine/listener/listen.h
index 22d3da85f3..3a89cd3ecc 100644
--- a/library/cpp/coroutine/listener/listen.h
+++ b/library/cpp/coroutine/listener/listen.h
@@ -15,7 +15,7 @@ namespace NAddr {
 class TContListener {
 public:
     struct TOptions {
-        inline TOptions() noexcept 
+        inline TOptions() noexcept
             : ListenQueue(Max<size_t>())
             , SendBufSize(0)
             , RecvBufSize(0)
@@ -24,31 +24,31 @@ public:
         {
         }
 
-        inline TOptions& SetListenQueue(size_t len) noexcept { 
+        inline TOptions& SetListenQueue(size_t len) noexcept {
             ListenQueue = len;
 
             return *this;
         }
 
-        inline TOptions& SetDeferAccept(bool enable) noexcept { 
+        inline TOptions& SetDeferAccept(bool enable) noexcept {
             EnableDeferAccept = enable;
 
             return *this;
         }
 
-        inline TOptions& SetSendBufSize(unsigned size) noexcept { 
+        inline TOptions& SetSendBufSize(unsigned size) noexcept {
             SendBufSize = size;
 
             return *this;
         }
 
-        inline TOptions& SetRecvBufSize(unsigned size) noexcept { 
+        inline TOptions& SetRecvBufSize(unsigned size) noexcept {
             RecvBufSize = size;
 
             return *this;
         }
 
-        inline TOptions& SetReusePort(bool reusePort) noexcept { 
+        inline TOptions& SetReusePort(bool reusePort) noexcept {
             ReusePort = reusePort;
 
             return *this;
@@ -93,7 +93,7 @@ public:
     };
 
     TContListener(ICallBack* cb, TContExecutor* e, const TOptions& opts = TOptions());
-    ~TContListener(); 
+    ~TContListener();
 
     /// start listener threads
     void Listen();
@@ -107,7 +107,7 @@ public:
     void Bind(const TIpAddress& addr);
     void Bind(const TNetworkAddress& addr);
 
-    void Stop() noexcept; 
+    void Stop() noexcept;
 
     void StopListenAddr(const NAddr::IRemoteAddr& addr);
     void StopListenAddr(const TIpAddress& addr);
diff --git a/library/cpp/dbg_output/dump.h b/library/cpp/dbg_output/dump.h
index d80209c4d0..c7efa105ee 100644
--- a/library/cpp/dbg_output/dump.h
+++ b/library/cpp/dbg_output/dump.h
@@ -59,7 +59,7 @@ namespace NPrivate {
                 }
             }
 
-            THashSet<size_t> Visited; 
+            THashSet<size_t> Visited;
         };
     };
 
@@ -77,7 +77,7 @@ namespace NPrivate {
             d << *T_;
         }
 
-        inline TDbgDump& SetIndent(bool v) noexcept { 
+        inline TDbgDump& SetIndent(bool v) noexcept {
             Indent = v;
 
             return *this;
diff --git a/library/cpp/dbg_output/dumpers.h b/library/cpp/dbg_output/dumpers.h
index d37b1fe652..4868e97da0 100644
--- a/library/cpp/dbg_output/dumpers.h
+++ b/library/cpp/dbg_output/dumpers.h
@@ -4,7 +4,7 @@
 
 #include <util/generic/fwd.h>
 #include <util/generic/strbuf.h>
-#include <util/generic/string.h> 
+#include <util/generic/string.h>
 
 //smart pointers
 template <class T, class D>
@@ -91,7 +91,7 @@ struct TDumper<std::pair<A, B>> {
 
 //sequences
 template <class T, class A>
-struct TDumper<TVector<T, A>>: public TSeqDumper { 
+struct TDumper<TVector<T, A>>: public TSeqDumper {
 };
 
 template <class T, class A>
@@ -107,49 +107,49 @@ struct TDumper<std::array<T, N>>: public TSeqDumper {
 };
 
 template <class T, class A>
-struct TDumper<TDeque<T, A>>: public TSeqDumper { 
+struct TDumper<TDeque<T, A>>: public TSeqDumper {
 };
 
 template <class T, class A>
-struct TDumper<TList<T, A>>: public TSeqDumper { 
+struct TDumper<TList<T, A>>: public TSeqDumper {
 };
 
 //associatives
 template <class K, class V, class P, class A>
-struct TDumper<TMap<K, V, P, A>>: public TAssocDumper { 
+struct TDumper<TMap<K, V, P, A>>: public TAssocDumper {
 };
 
 template <class K, class V, class P, class A>
-struct TDumper<TMultiMap<K, V, P, A>>: public TAssocDumper { 
+struct TDumper<TMultiMap<K, V, P, A>>: public TAssocDumper {
 };
 
 template <class T, class P, class A>
-struct TDumper<TSet<T, P, A>>: public TAssocDumper { 
+struct TDumper<TSet<T, P, A>>: public TAssocDumper {
 };
 
 template <class T, class P, class A>
-struct TDumper<TMultiSet<T, P, A>>: public TAssocDumper { 
+struct TDumper<TMultiSet<T, P, A>>: public TAssocDumper {
 };
 
 template <class K, class V, class H, class P, class A>
-struct TDumper<THashMap<K, V, H, P, A>>: public TAssocDumper { 
+struct TDumper<THashMap<K, V, H, P, A>>: public TAssocDumper {
 };
 
 template <class K, class V, class H, class P, class A>
-struct TDumper<THashMultiMap<K, V, H, P, A>>: public TAssocDumper { 
+struct TDumper<THashMultiMap<K, V, H, P, A>>: public TAssocDumper {
 };
 
 template <class T, class H, class P, class A>
-struct TDumper<THashSet<T, H, P, A>>: public TAssocDumper { 
+struct TDumper<THashSet<T, H, P, A>>: public TAssocDumper {
 };
 
 template <class T, class H, class P, class A>
-struct TDumper<THashMultiSet<T, H, P, A>>: public TAssocDumper { 
+struct TDumper<THashMultiSet<T, H, P, A>>: public TAssocDumper {
 };
 
 //strings
 template <>
-struct TDumper<TString>: public TStrDumper { 
+struct TDumper<TString>: public TStrDumper {
 };
 
 template <>
@@ -157,7 +157,7 @@ struct TDumper<const char*>: public TStrDumper {
 };
 
 template <>
-struct TDumper<TUtf16String>: public TStrDumper { 
+struct TDumper<TUtf16String>: public TStrDumper {
 };
 
 template <>
diff --git a/library/cpp/dbg_output/engine.cpp b/library/cpp/dbg_output/engine.cpp
index 2057b41436..dcb9f02522 100644
--- a/library/cpp/dbg_output/engine.cpp
+++ b/library/cpp/dbg_output/engine.cpp
@@ -9,7 +9,7 @@
 
 DBGDUMP_INLINE_IF_INCLUDED void TDumpBase::String(const TStringBuf& s) {
     if (s) {
-        Raw(TString(s).Quote()); 
+        Raw(TString(s).Quote());
     } else {
         Raw("(empty)");
     }
diff --git a/library/cpp/dbg_output/engine.h b/library/cpp/dbg_output/engine.h
index a0e9f1c5ad..f13c728c39 100644
--- a/library/cpp/dbg_output/engine.h
+++ b/library/cpp/dbg_output/engine.h
@@ -62,7 +62,7 @@ struct TIndentScope {
         ++(D->IndentLevel);
     }
 
-    inline ~TIndentScope() { 
+    inline ~TIndentScope() {
         --(D->IndentLevel);
     }
 
@@ -80,7 +80,7 @@ static inline TRawLiteral<TChar> DumpRaw(const TBasicStringBuf<TChar>& s) noexce
 }
 
 template <class TChar>
-static inline TRawLiteral<TChar> DumpRaw(const TChar* s) noexcept { 
+static inline TRawLiteral<TChar> DumpRaw(const TChar* s) noexcept {
     return {s};
 }
 
@@ -95,7 +95,7 @@ struct TDumper<TRawLiteral<C>> {
 struct TIndentNewLine {
 };
 
-static inline TIndentNewLine IndentNewLine() noexcept { 
+static inline TIndentNewLine IndentNewLine() noexcept {
     return {};
 }
 
diff --git a/library/cpp/dbg_output/ut/dbg_output_ut.cpp b/library/cpp/dbg_output/ut/dbg_output_ut.cpp
index 45a9512040..7b285c84cb 100644
--- a/library/cpp/dbg_output/ut/dbg_output_ut.cpp
+++ b/library/cpp/dbg_output/ut/dbg_output_ut.cpp
@@ -34,14 +34,14 @@ DEFINE_DUMPER(TMyNS::TMyStruct, A, B)
 Y_UNIT_TEST_SUITE(TContainerPrintersTest) {
     Y_UNIT_TEST(TestVectorInt) {
         TStringStream out;
-        out << DbgDump(TVector<int>({1, 2, 3, 4, 5})); 
+        out << DbgDump(TVector<int>({1, 2, 3, 4, 5}));
         UNIT_ASSERT_STRINGS_EQUAL(out.Str(), "[1, 2, 3, 4, 5]");
     }
 
     Y_UNIT_TEST(TestMapCharToCharArray) {
         TStringStream out;
 
-        TMap<char, const char*> m; 
+        TMap<char, const char*> m;
 
         m['a'] = "SMALL LETTER A";
         m['b'] = nullptr;
@@ -53,7 +53,7 @@ Y_UNIT_TEST_SUITE(TContainerPrintersTest) {
 
     Y_UNIT_TEST(TestVectorOfVectors) {
         TStringStream out;
-        TVector<TVector<wchar16>> vec(2); 
+        TVector<TVector<wchar16>> vec(2);
         vec[0].push_back(0);
         vec[1] = {wchar16('a')};
         out << DbgDump(vec);
@@ -78,7 +78,7 @@ Y_UNIT_TEST_SUITE(TContainerPrintersTest) {
     }
 
     Y_UNIT_TEST(TestColors) {
-        using TComplex = TMap<TString, TMap<int, char>>; 
+        using TComplex = TMap<TString, TMap<int, char>>;
         TComplex test;
         test["a"][1] = '7';
         test["b"][2] = '6';
diff --git a/library/cpp/deprecated/accessors/accessors.h b/library/cpp/deprecated/accessors/accessors.h
index 744dcb15d5..6d4b1da3ad 100644
--- a/library/cpp/deprecated/accessors/accessors.h
+++ b/library/cpp/deprecated/accessors/accessors.h
@@ -8,7 +8,7 @@ namespace NAccessors {
  *
  * i.e. this will work:
  *
- * TString t; 
+ * TString t;
  * const char* beg = NAccessors::Begin(t); // t.begin()
  * const char* end = NAccessors::End(t); // t.end()
  * size_t sz = NAccessors::Size(t); // t.size()
diff --git a/library/cpp/deprecated/accessors/accessors_ut.cpp b/library/cpp/deprecated/accessors/accessors_ut.cpp
index 2008c9edb9..a9bdc9fcc4 100644
--- a/library/cpp/deprecated/accessors/accessors_ut.cpp
+++ b/library/cpp/deprecated/accessors/accessors_ut.cpp
@@ -58,27 +58,27 @@ private:
 
         TestRead(sbuf, "TStringBuf");
 
-        TUtf16String wtr; 
+        TUtf16String wtr;
         wtr.resize(10, 1024);
 
-        TestRead(wtr, "TUtf16String"); 
+        TestRead(wtr, "TUtf16String");
 
         TBuffer buf;
         buf.Resize(30);
 
         TestRead(buf, "TBuffer");
 
-        TVector<ui64> vec(10, 100); 
+        TVector<ui64> vec(10, 100);
 
-        TestRead(vec, "TVector<ui64>"); 
+        TestRead(vec, "TVector<ui64>");
 
-        TestWrite<TString>("TString"); 
-        TestWrite<TVector<char>>("TVector<char>"); 
+        TestWrite<TString>("TString");
+        TestWrite<TVector<char>>("TVector<char>");
         TestWrite<TBuffer>("TBuffer");
-        TestWrite<TVector<ui64>>("TVector<ui64>"); 
-        TestWrite<TUtf16String>("TUtf16String"); 
+        TestWrite<TVector<ui64>>("TVector<ui64>");
+        TestWrite<TUtf16String>("TUtf16String");
 
-        std::array<TString, 10> sarr; 
+        std::array<TString, 10> sarr;
         NAccessors::Init(sarr);
         NAccessors::Clear(sarr);
 
diff --git a/library/cpp/deprecated/accessors/memory_traits.h b/library/cpp/deprecated/accessors/memory_traits.h
index 1d19b9de33..aa837705d3 100644
--- a/library/cpp/deprecated/accessors/memory_traits.h
+++ b/library/cpp/deprecated/accessors/memory_traits.h
@@ -5,7 +5,7 @@
 #include <util/memory/tempbuf.h>
 #include <util/generic/buffer.h>
 #include <util/generic/strbuf.h>
-#include <util/generic/string.h> 
+#include <util/generic/string.h>
 #include <util/generic/vector.h>
 #include <util/generic/typetraits.h>
 
@@ -108,7 +108,7 @@ struct TMemoryTraits<std::vector<T, TAlloc>>: public TElementDependentMemoryTrai
 };
 
 template <typename T, typename TAlloc>
-struct TMemoryTraits<TVector<T, TAlloc>>: public TMemoryTraits<std::vector<T, TAlloc>> { 
+struct TMemoryTraits<TVector<T, TAlloc>>: public TMemoryTraits<std::vector<T, TAlloc>> {
 };
 
 template <typename T>
@@ -126,7 +126,7 @@ struct TMemoryTraits<std::basic_string<T, TCharTraits, TAlloc>>: public TElement
 };
 
 template <>
-struct TMemoryTraits<TString>: public TElementDependentMemoryTraits<char> { 
+struct TMemoryTraits<TString>: public TElementDependentMemoryTraits<char> {
     enum {
         OwnsMemory = true
     };
diff --git a/library/cpp/deprecated/kmp/kmp.cpp b/library/cpp/deprecated/kmp/kmp.cpp
index cb577b139f..d02074c94a 100644
--- a/library/cpp/deprecated/kmp/kmp.cpp
+++ b/library/cpp/deprecated/kmp/kmp.cpp
@@ -8,7 +8,7 @@ TKMPMatcher::TKMPMatcher(const char* patternBegin, const char* patternEnd)
     ComputePrefixFunction();
 }
 
-TKMPMatcher::TKMPMatcher(const TString& pattern) 
+TKMPMatcher::TKMPMatcher(const TString& pattern)
     : Pattern(pattern)
 {
     ComputePrefixFunction();
diff --git a/library/cpp/deprecated/kmp/kmp.h b/library/cpp/deprecated/kmp/kmp.h
index 287382821d..a7f72eece6 100644
--- a/library/cpp/deprecated/kmp/kmp.h
+++ b/library/cpp/deprecated/kmp/kmp.h
@@ -1,7 +1,7 @@
 #pragma once
 
 #include <util/generic/ptr.h>
-#include <util/generic/string.h> 
+#include <util/generic/string.h>
 #include <util/generic/vector.h>
 #include <util/generic/yexception.h>
 
@@ -32,13 +32,13 @@ void ComputePrefixFunction(const T* begin, const T* end, ssize_t** result) {
 class TKMPMatcher {
 private:
     TArrayHolder<ssize_t> PrefixFunction;
-    TString Pattern; 
+    TString Pattern;
 
     void ComputePrefixFunction();
 
 public:
     TKMPMatcher(const char* patternBegin, const char* patternEnd);
-    TKMPMatcher(const TString& pattern); 
+    TKMPMatcher(const TString& pattern);
 
     bool SubStr(const char* begin, const char* end, const char*& result) const {
         Y_ASSERT(begin <= end);
@@ -70,7 +70,7 @@ public:
 private:
     ICallback* Callback;
     TArrayHolder<ssize_t> PrefixFunction;
-    using TTVector = TVector<T>; 
+    using TTVector = TVector<T>;
     TTVector Pattern;
     ssize_t State;
     TTVector Candidate;
diff --git a/library/cpp/deprecated/kmp/kmp_ut.cpp b/library/cpp/deprecated/kmp/kmp_ut.cpp
index 04e7cf2701..c2eda83c57 100644
--- a/library/cpp/deprecated/kmp/kmp_ut.cpp
+++ b/library/cpp/deprecated/kmp/kmp_ut.cpp
@@ -4,8 +4,8 @@
 
 #include <util/stream/output.h>
 
-static TVector<int> FindAll(const TString& pattern, const TString& string) { 
-    TVector<int> result; 
+static TVector<int> FindAll(const TString& pattern, const TString& string) {
+    TVector<int> result;
     TKMPMatcher kmp(pattern);
     const char* pResult;
     const char* begin = string.begin();
@@ -25,7 +25,7 @@ class TTestKMP: public TTestBase {
 
 public:
     void Test() {
-        TVector<int> ans = {0, 2}; 
+        TVector<int> ans = {0, 2};
         UNIT_ASSERT_EQUAL(FindAll("a", "aba"), ans);
         ans = {0};
         UNIT_ASSERT_EQUAL(FindAll("aba", "aba"), ans);
diff --git a/library/cpp/deprecated/kmp/ut/ya.make b/library/cpp/deprecated/kmp/ut/ya.make
index e19f716c82..9c54ee2715 100644
--- a/library/cpp/deprecated/kmp/ut/ya.make
+++ b/library/cpp/deprecated/kmp/ut/ya.make
@@ -1,9 +1,9 @@
 UNITTEST_FOR(library/cpp/deprecated/kmp)
- 
-OWNER(g:util) 
- 
-SRCS( 
-    kmp_ut.cpp 
-) 
- 
-END() 
+
+OWNER(g:util)
+
+SRCS(
+    kmp_ut.cpp
+)
+
+END()
diff --git a/library/cpp/deprecated/kmp/ya.make b/library/cpp/deprecated/kmp/ya.make
index f8969a33a5..7c1c557934 100644
--- a/library/cpp/deprecated/kmp/ya.make
+++ b/library/cpp/deprecated/kmp/ya.make
@@ -1,10 +1,10 @@
-LIBRARY() 
- 
-OWNER(g:util) 
- 
-SRCS( 
-    kmp.cpp 
-    kmp.h 
-) 
- 
-END() 
+LIBRARY()
+
+OWNER(g:util)
+
+SRCS(
+    kmp.cpp
+    kmp.h
+)
+
+END()
diff --git a/library/cpp/deprecated/mapped_file/mapped_file.cpp b/library/cpp/deprecated/mapped_file/mapped_file.cpp
index e6b9504969..b0e4511299 100644
--- a/library/cpp/deprecated/mapped_file/mapped_file.cpp
+++ b/library/cpp/deprecated/mapped_file/mapped_file.cpp
@@ -27,7 +27,7 @@ void TMappedFile::precharge(size_t off, size_t size) const {
     Map_->Precharge(off, size);
 }
 
-void TMappedFile::init(const TString& name) { 
+void TMappedFile::init(const TString& name) {
     THolder<TFileMap> map(new TFileMap(name));
     TMappedFile newFile(map.Get(), name.data());
     Y_UNUSED(map.Release());
@@ -35,7 +35,7 @@ void TMappedFile::init(const TString& name) {
     newFile.term();
 }
 
-void TMappedFile::init(const TString& name, size_t length, TFileMap::EOpenMode om) { 
+void TMappedFile::init(const TString& name, size_t length, TFileMap::EOpenMode om) {
     THolder<TFileMap> map(new TFileMap(name, length, om));
     TMappedFile newFile(map.Get(), name.data());
     Y_UNUSED(map.Release());
@@ -51,7 +51,7 @@ void TMappedFile::init(const TFile& file, TFileMap::EOpenMode om, const char* db
     newFile.term();
 }
 
-void TMappedFile::init(const TString& name, TFileMap::EOpenMode om) { 
+void TMappedFile::init(const TString& name, TFileMap::EOpenMode om) {
     THolder<TFileMap> map(new TFileMap(name, om));
     TMappedFile newFile(map.Get(), name.data());
     Y_UNUSED(map.Release());
diff --git a/library/cpp/deprecated/mapped_file/mapped_file.h b/library/cpp/deprecated/mapped_file/mapped_file.h
index 1675ccc3f7..45859ed65a 100644
--- a/library/cpp/deprecated/mapped_file/mapped_file.h
+++ b/library/cpp/deprecated/mapped_file/mapped_file.h
@@ -30,18 +30,18 @@ public:
         term();
     }
 
-    explicit TMappedFile(const TString& name) { 
+    explicit TMappedFile(const TString& name) {
         Map_ = nullptr;
         init(name, TFileMap::oRdOnly);
     }
 
     TMappedFile(const TFile& file, TFileMap::EOpenMode om = TFileMap::oRdOnly, const char* dbgName = "unknown");
 
-    void init(const TString& name); 
+    void init(const TString& name);
 
-    void init(const TString& name, TFileMap::EOpenMode om); 
+    void init(const TString& name, TFileMap::EOpenMode om);
 
-    void init(const TString& name, size_t length, TFileMap::EOpenMode om); 
+    void init(const TString& name, size_t length, TFileMap::EOpenMode om);
 
     void init(const TFile&, TFileMap::EOpenMode om = TFileMap::oRdOnly, const char* dbgName = "unknown");
 
@@ -66,7 +66,7 @@ public:
 
     void precharge(size_t pos = 0, size_t size = (size_t)-1) const;
 
-    void swap(TMappedFile& file) noexcept { 
+    void swap(TMappedFile& file) noexcept {
         DoSwap(Map_, file.Map_);
     }
 };
diff --git a/library/cpp/deprecated/split/delim_string_iter.cpp b/library/cpp/deprecated/split/delim_string_iter.cpp
index af4147c18b..af418c5bfb 100644
--- a/library/cpp/deprecated/split/delim_string_iter.cpp
+++ b/library/cpp/deprecated/split/delim_string_iter.cpp
@@ -8,7 +8,7 @@ void TKeyValueDelimStringIter::ReadKeyAndValue() {
     TStringBuf currentToken(*DelimIter);
 
     size_t pos = currentToken.find('=');
-    if (pos == TString::npos) { 
+    if (pos == TString::npos) {
         ChunkValue.Clear();
         ChunkKey = currentToken;
     } else {
diff --git a/library/cpp/deprecated/split/delim_string_iter_ut.cpp b/library/cpp/deprecated/split/delim_string_iter_ut.cpp
index c3adb53964..18a8b2a160 100644
--- a/library/cpp/deprecated/split/delim_string_iter_ut.cpp
+++ b/library/cpp/deprecated/split/delim_string_iter_ut.cpp
@@ -3,7 +3,7 @@
 #include <library/cpp/testing/unittest/registar.h>
 
 /// Test that TDelimStringIter build on top of given string and delimeter will produce expected sequence
-static void AssertStringSplit(const TString& str, const TString& delim, const TVector<TString>& expected) { 
+static void AssertStringSplit(const TString& str, const TString& delim, const TVector<TString>& expected) {
     TDelimStringIter it(str, delim);
 
     // test iterator invariants
@@ -40,8 +40,8 @@ Y_UNIT_TEST_SUITE(TDelimStrokaIterTestSuite) {
     }
 
     Y_UNIT_TEST(ForIter) {
-        TVector<TStringBuf> expected = {"1", "", "3@4", ""}; 
-        TVector<TStringBuf> got; 
+        TVector<TStringBuf> expected = {"1", "", "3@4", ""};
+        TVector<TStringBuf> got;
 
         for (TStringBuf x : TDelimStroka("1@@@@3@4@@", "@@")) {
             got.push_back(x);
@@ -54,7 +54,7 @@ Y_UNIT_TEST_SUITE(TDelimStrokaIterTestSuite) {
 static void AssertKeyValueStringSplit(
     const TStringBuf str,
     const TStringBuf delim,
-    const TVector<std::pair<TStringBuf, TStringBuf>>& expected) { 
+    const TVector<std::pair<TStringBuf, TStringBuf>>& expected) {
     TKeyValueDelimStringIter it(str, delim);
 
     for (const auto& expectedKeyValue : expected) {
diff --git a/library/cpp/deprecated/split/split_iterator.cpp b/library/cpp/deprecated/split/split_iterator.cpp
index c56a80e722..32262d25bd 100644
--- a/library/cpp/deprecated/split/split_iterator.cpp
+++ b/library/cpp/deprecated/split/split_iterator.cpp
@@ -21,7 +21,7 @@ TSplitBase::TSplitBase(const char* str, size_t length)
 {
 }
 
-TSplitBase::TSplitBase(const TString& s) 
+TSplitBase::TSplitBase(const TString& s)
     : Str(s.data())
     , Len(s.size())
 {
@@ -35,7 +35,7 @@ TDelimitersSplit::TDelimitersSplit(const char* str, size_t length, const TSplitD
 {
 }
 
-TDelimitersSplit::TDelimitersSplit(const TString& s, const TSplitDelimiters& delimiters) 
+TDelimitersSplit::TDelimitersSplit(const TString& s, const TSplitDelimiters& delimiters)
     : TSplitBase(s)
     , Delimiters(delimiters)
 {
@@ -72,7 +72,7 @@ TDelimitersStrictSplit::TDelimitersStrictSplit(const char* str, size_t length, c
 {
 }
 
-TDelimitersStrictSplit::TDelimitersStrictSplit(const TString& s, const TSplitDelimiters& delimiters) 
+TDelimitersStrictSplit::TDelimitersStrictSplit(const TString& s, const TSplitDelimiters& delimiters)
     : TSplitBase(s)
     , Delimiters(delimiters)
 {
@@ -100,7 +100,7 @@ size_t TDelimitersStrictSplit::Begin() const {
 
 /****************** TScreenedDelimitersSplit ******************/
 
-TScreenedDelimitersSplit::TScreenedDelimitersSplit(const TString& s, const TSplitDelimiters& delimiters, const TSplitDelimiters& screens) 
+TScreenedDelimitersSplit::TScreenedDelimitersSplit(const TString& s, const TSplitDelimiters& delimiters, const TSplitDelimiters& screens)
     : TSplitBase(s)
     , Delimiters(delimiters)
     , Screens(screens)
@@ -148,7 +148,7 @@ TDelimitersSplitWithoutTags::TDelimitersSplitWithoutTags(const char* str, size_t
 {
 }
 
-TDelimitersSplitWithoutTags::TDelimitersSplitWithoutTags(const TString& s, const TSplitDelimiters& delimiters) 
+TDelimitersSplitWithoutTags::TDelimitersSplitWithoutTags(const TString& s, const TSplitDelimiters& delimiters)
     : TSplitBase(s)
     , Delimiters(delimiters)
 {
@@ -204,7 +204,7 @@ TCharSplit::TCharSplit(const char* str, size_t length)
 {
 }
 
-TCharSplit::TCharSplit(const TString& s) 
+TCharSplit::TCharSplit(const TString& s)
     : TSplitBase(s)
 {
 }
@@ -230,7 +230,7 @@ TCharSplitWithoutTags::TCharSplitWithoutTags(const char* str, size_t length)
 {
 }
 
-TCharSplitWithoutTags::TCharSplitWithoutTags(const TString& s) 
+TCharSplitWithoutTags::TCharSplitWithoutTags(const TString& s)
     : TSplitBase(s)
 {
 }
@@ -274,7 +274,7 @@ TCharSplitWithoutTags::TIterator TCharSplitWithoutTags::Iterator() const {
     return TIterator(*this);
 }
 
-TSubstringSplitDelimiter::TSubstringSplitDelimiter(const TString& s) 
+TSubstringSplitDelimiter::TSubstringSplitDelimiter(const TString& s)
     : Matcher(s)
     , Len(s.size())
 {
@@ -288,7 +288,7 @@ TSubstringSplit::TSubstringSplit(const char* str, size_t length, const TSubstrin
 {
 }
 
-TSubstringSplit::TSubstringSplit(const TString& str, const TSubstringSplitDelimiter& delimiter) 
+TSubstringSplit::TSubstringSplit(const TString& str, const TSubstringSplitDelimiter& delimiter)
     : TSplitBase(str)
     , Delimiter(delimiter)
 {
diff --git a/library/cpp/deprecated/split/split_iterator.h b/library/cpp/deprecated/split/split_iterator.h
index 23ba85bbec..0eacc29228 100644
--- a/library/cpp/deprecated/split/split_iterator.h
+++ b/library/cpp/deprecated/split/split_iterator.h
@@ -8,7 +8,7 @@
 #include <util/system/yassert.h>
 #include <util/system/defaults.h>
 #include <util/generic/strbuf.h>
-#include <util/generic/string.h> 
+#include <util/generic/string.h>
 #include <util/generic/vector.h>
 #include <util/generic/yexception.h>
 
@@ -45,12 +45,12 @@ using TSizeTRegion = TNumPair<size_t>;
 using TUi32Region = TNumPair<ui32>;
 
 template <>
-inline TString ToString(const TUi32Region& r) { 
+inline TString ToString(const TUi32Region& r) {
     return TStringBuilder() << "(" << r.Begin << ", " << r.End << ")";
 }
 
 template <>
-inline TUi32Region FromString(const TString& s) { 
+inline TUi32Region FromString(const TString& s) {
     TUi32Region result;
     sscanf(s.data(), "(%" PRIu32 ", %" PRIu32 ")", &result.Begin, &result.End);
     return result;
@@ -78,7 +78,7 @@ protected:
 
 public:
     TSplitBase(const char* str, size_t length);
-    TSplitBase(const TString& s); 
+    TSplitBase(const TString& s);
 
     Y_FORCE_INLINE const char* GetString() const {
         return Str;
@@ -90,7 +90,7 @@ public:
 
 private:
     // we don't own Str, make sure that no one calls us with temporary object
-    TSplitBase(TString&&) = delete; 
+    TSplitBase(TString&&) = delete;
 };
 
 #ifdef _MSC_VER
@@ -107,7 +107,7 @@ public:
     friend class TSplitIterator<TDelimitersSplit>;
 
     TDelimitersSplit(const char* str, size_t length, const TSplitDelimiters& delimiters);
-    TDelimitersSplit(const TString& s, const TSplitDelimiters& delimiters); 
+    TDelimitersSplit(const TString& s, const TSplitDelimiters& delimiters);
     TIterator Iterator() const;
     TSizeTRegion Next(size_t& pos) const;
     size_t Begin() const;
@@ -115,8 +115,8 @@ public:
 private:
     // we don't own Delimiters, make sure that no one calls us with temporary object
     TDelimitersSplit(const char*, size_t, TSplitDelimiters&&) = delete;
-    TDelimitersSplit(const TString&, TSplitDelimiters&&) = delete; 
-    TDelimitersSplit(TString&&, const TSplitDelimiters&) = delete; 
+    TDelimitersSplit(const TString&, TSplitDelimiters&&) = delete;
+    TDelimitersSplit(TString&&, const TSplitDelimiters&) = delete;
 };
 
 class TDelimitersStrictSplit: public TSplitBase {
@@ -128,7 +128,7 @@ public:
     friend class TSplitIterator<TDelimitersStrictSplit>;
 
     TDelimitersStrictSplit(const char* str, size_t length, const TSplitDelimiters& delimiters);
-    TDelimitersStrictSplit(const TString& s, const TSplitDelimiters& delimiters); 
+    TDelimitersStrictSplit(const TString& s, const TSplitDelimiters& delimiters);
     TIterator Iterator() const;
     TSizeTRegion Next(size_t& pos) const;
     size_t Begin() const;
@@ -136,8 +136,8 @@ public:
 private:
     // we don't own Delimiters, make sure that no one calls us with temporary object
     TDelimitersStrictSplit(const char*, size_t, TSplitDelimiters&&) = delete;
-    TDelimitersStrictSplit(const TString&, TSplitDelimiters&&) = delete; 
-    TDelimitersStrictSplit(TString&&, const TSplitDelimiters&) = delete; 
+    TDelimitersStrictSplit(const TString&, TSplitDelimiters&&) = delete;
+    TDelimitersStrictSplit(TString&&, const TSplitDelimiters&) = delete;
 };
 
 class TScreenedDelimitersSplit: public TSplitBase {
@@ -150,16 +150,16 @@ public:
     friend class TSplitIterator<TScreenedDelimitersSplit>;
 
     TScreenedDelimitersSplit(const char*, size_t, const TSplitDelimiters& delimiters, const TSplitDelimiters& screens);
-    TScreenedDelimitersSplit(const TString& s, const TSplitDelimiters& delimiters, const TSplitDelimiters& screens); 
+    TScreenedDelimitersSplit(const TString& s, const TSplitDelimiters& delimiters, const TSplitDelimiters& screens);
     TIterator Iterator() const;
     TSizeTRegion Next(size_t& pos) const;
     size_t Begin() const;
 
 private:
     // we don't own Delimiters and Screens, make sure that no one calls us with temporary object
-    TScreenedDelimitersSplit(TString&&, const TSplitDelimiters&, const TSplitDelimiters&) = delete; 
-    TScreenedDelimitersSplit(const TString&, TSplitDelimiters&&, const TSplitDelimiters&) = delete; 
-    TScreenedDelimitersSplit(const TString&, const TSplitDelimiters&, TSplitDelimiters&&) = delete; 
+    TScreenedDelimitersSplit(TString&&, const TSplitDelimiters&, const TSplitDelimiters&) = delete;
+    TScreenedDelimitersSplit(const TString&, TSplitDelimiters&&, const TSplitDelimiters&) = delete;
+    TScreenedDelimitersSplit(const TString&, const TSplitDelimiters&, TSplitDelimiters&&) = delete;
 };
 
 class TDelimitersSplitWithoutTags: public TSplitBase {
@@ -173,7 +173,7 @@ public:
     friend class TSplitIterator<TDelimitersSplitWithoutTags>;
 
     TDelimitersSplitWithoutTags(const char* str, size_t length, const TSplitDelimiters& delimiters);
-    TDelimitersSplitWithoutTags(const TString& s, const TSplitDelimiters& delimiters); 
+    TDelimitersSplitWithoutTags(const TString& s, const TSplitDelimiters& delimiters);
     TIterator Iterator() const;
     TSizeTRegion Next(size_t& pos) const;
     size_t Begin() const;
@@ -181,8 +181,8 @@ public:
 private:
     // we don't own Delimiters, make sure that no one calls us with temporary object
     TDelimitersSplitWithoutTags(const char*, size_t, TSplitDelimiters&&) = delete;
-    TDelimitersSplitWithoutTags(const TString&, TSplitDelimiters&&) = delete; 
-    TDelimitersSplitWithoutTags(TString&&, const TSplitDelimiters&) = delete; 
+    TDelimitersSplitWithoutTags(const TString&, TSplitDelimiters&&) = delete;
+    TDelimitersSplitWithoutTags(TString&&, const TSplitDelimiters&) = delete;
 };
 
 class TCharSplit: public TSplitBase {
@@ -191,14 +191,14 @@ public:
     friend class TSplitIterator<TCharSplit>;
 
     TCharSplit(const char* str, size_t length);
-    TCharSplit(const TString& s); 
+    TCharSplit(const TString& s);
     TIterator Iterator() const;
     TSizeTRegion Next(size_t& pos) const;
     size_t Begin() const;
 
 private:
     // we don't own Str, make sure that no one calls us with temporary object
-    TCharSplit(TString&&) = delete; 
+    TCharSplit(TString&&) = delete;
 };
 
 #ifdef _MSC_VER
@@ -215,14 +215,14 @@ public:
     friend class TSplitIterator<TCharSplitWithoutTags>;
 
     TCharSplitWithoutTags(const char* str, size_t length);
-    TCharSplitWithoutTags(const TString& s); 
+    TCharSplitWithoutTags(const TString& s);
     TIterator Iterator() const;
     TSizeTRegion Next(size_t& pos) const;
     size_t Begin() const;
 
 private:
     // we don't own Str, make sure that no one calls us with temporary object
-    TCharSplitWithoutTags(TString&&) = delete; 
+    TCharSplitWithoutTags(TString&&) = delete;
 };
 
 class TSubstringSplitDelimiter {
@@ -230,7 +230,7 @@ public:
     TKMPMatcher Matcher;
     size_t Len;
 
-    TSubstringSplitDelimiter(const TString& s); 
+    TSubstringSplitDelimiter(const TString& s);
 };
 
 class TSubstringSplit: public TSplitBase {
@@ -242,15 +242,15 @@ public:
     friend class TSplitIterator<TSubstringSplit>;
 
     TSubstringSplit(const char* str, size_t length, const TSubstringSplitDelimiter& delimiter);
-    TSubstringSplit(const TString& str, const TSubstringSplitDelimiter& delimiter); 
+    TSubstringSplit(const TString& str, const TSubstringSplitDelimiter& delimiter);
     TIterator Iterator() const;
     TSizeTRegion Next(size_t& pos) const;
     size_t Begin() const;
 
 private:
     // we don't own Delimiters, make sure that no one calls us with temporary object
-    TSubstringSplit(TString&&, const TSubstringSplitDelimiter&) = delete; 
-    TSubstringSplit(const TString&, TSubstringSplitDelimiter&&) = delete; 
+    TSubstringSplit(TString&&, const TSubstringSplitDelimiter&) = delete;
+    TSubstringSplit(const TString&, TSubstringSplitDelimiter&&) = delete;
 };
 
 template <class TSplit>
@@ -258,7 +258,7 @@ class TSplitIterator {
 protected:
     const TSplit& Split;
     size_t Pos;
-    TString* CurrentStroka; 
+    TString* CurrentStroka;
 
 public:
     TSplitIterator(const TSplit& split)
@@ -286,7 +286,7 @@ public:
 
     const TString& NextString() {
         if (!CurrentStroka)
-            CurrentStroka = new TString(); 
+            CurrentStroka = new TString();
         TSizeTRegion region = Next();
         CurrentStroka->assign(Split.Str, region.Begin, region.Length() - 1);
         return *CurrentStroka;
@@ -296,8 +296,8 @@ public:
         return Pos >= Split.Len;
     }
 
-    TString GetTail() const { 
-        return TString(Split.Str + Pos); 
+    TString GetTail() const {
+        return TString(Split.Str + Pos);
     }
 
     void Skip(size_t count) {
@@ -306,7 +306,7 @@ public:
     }
 };
 
-using TSplitTokens = TVector<TString>; 
+using TSplitTokens = TVector<TString>;
 
 template <typename TSplit>
 void Split(const TSplit& split, TSplitTokens* words) {
diff --git a/library/cpp/deprecated/split/split_iterator_ut.cpp b/library/cpp/deprecated/split/split_iterator_ut.cpp
index 2508479383..be5069c4be 100644
--- a/library/cpp/deprecated/split/split_iterator_ut.cpp
+++ b/library/cpp/deprecated/split/split_iterator_ut.cpp
@@ -33,7 +33,7 @@ void TSplitIteratorTest::TestDelimiters() {
 
 void TSplitIteratorTest::TestDelimitersSplit() {
     {
-        TString s = "1a3b45cd"; 
+        TString s = "1a3b45cd";
         TSplitDelimiters delims("abcd");
         TDelimitersSplit split(s, delims);
         TSplitTokens tokens;
@@ -42,7 +42,7 @@ void TSplitIteratorTest::TestDelimitersSplit() {
         UNIT_ASSERT(tokens == pattern);
     }
     {
-        TString s = "aaaaaa"; 
+        TString s = "aaaaaa";
         TSplitDelimiters delims("abcd");
         TDelimitersSplit split(s, delims);
         TSplitTokens tokens;
@@ -54,7 +54,7 @@ void TSplitIteratorTest::TestDelimitersSplit() {
 
 void TSplitIteratorTest::TestDelimitersStrictSplit() {
     {
-        TString s = "grp@2"; 
+        TString s = "grp@2";
         TSplitDelimiters delims("@");
         TDelimitersStrictSplit split(s, delims);
         TSplitTokens tokens;
@@ -64,7 +64,7 @@ void TSplitIteratorTest::TestDelimitersStrictSplit() {
     }
 
     {
-        TString s = "@grp@2@@"; 
+        TString s = "@grp@2@@";
         TSplitDelimiters delims("@");
         TDelimitersStrictSplit split(s, delims);
         TSplitTokens tokens;
@@ -75,7 +75,7 @@ void TSplitIteratorTest::TestDelimitersStrictSplit() {
 }
 
 void TSplitIteratorTest::TestTail() {
-    TString s = "grp@2@4"; 
+    TString s = "grp@2@4";
     TSplitDelimiters delims("@");
     TDelimitersSplit split(s, delims);
     TDelimitersSplit::TIterator it = split.Iterator();
@@ -90,7 +90,7 @@ void TSplitIteratorTest::TestTail() {
 
 void TSplitIteratorTest::TestScreenedDelimitersSplit() {
     {
-        const TString s = "77.88.58.91 - - [28/Aug/2008:00:08:07 +0400] \"GET /export/mordashka.tgz HTTP/1.1\" 304 - \"-\" \"libwww-perl/5.805\" \"news.yandex.ru,80\" \"-\" \"-\" 1219867687 \"0\" 3283 2"; 
+        const TString s = "77.88.58.91 - - [28/Aug/2008:00:08:07 +0400] \"GET /export/mordashka.tgz HTTP/1.1\" 304 - \"-\" \"libwww-perl/5.805\" \"news.yandex.ru,80\" \"-\" \"-\" 1219867687 \"0\" 3283 2";
         const TSplitDelimiters delims(" ");
         const TSplitDelimiters screens("\"[]");
         const TScreenedDelimitersSplit splitter(s, delims, screens);
@@ -113,7 +113,7 @@ void TSplitIteratorTest::TestScreenedDelimitersSplit() {
         UNIT_ASSERT_EQUAL(it.NextString(), "2");
     }
     {
-        const TString s = "77.88.58.91 - - [28/Aug/2008:00:08:07 +0400] \"GET /export/mordashka.tgz HTTP/1.1\" 304 - \"-\" \"libwww-perl/5.805\" \"news.yandex.ru,80\" \"-\" \"-\" 1219867687 \"0\" 3283 2"; 
+        const TString s = "77.88.58.91 - - [28/Aug/2008:00:08:07 +0400] \"GET /export/mordashka.tgz HTTP/1.1\" 304 - \"-\" \"libwww-perl/5.805\" \"news.yandex.ru,80\" \"-\" \"-\" 1219867687 \"0\" 3283 2";
         const TSplitDelimiters delims(" ");
         const TSplitDelimiters screens("\"[]");
         const TScreenedDelimitersSplit splitter(s.Data(), s.Size(), delims, screens);
@@ -138,7 +138,7 @@ void TSplitIteratorTest::TestScreenedDelimitersSplit() {
 }
 
 void TSplitIteratorTest::TestSubstringDelimiter() {
-    const TString s = "a@@bb@@cc@c.d@@r"; 
+    const TString s = "a@@bb@@cc@c.d@@r";
     static const TSubstringSplitDelimiter delimiter("@@");
     const TSubstringSplit splitter(s, delimiter);
     TSubstringSplit::TIterator it = splitter.Iterator();
diff --git a/library/cpp/deprecated/split/ya.make b/library/cpp/deprecated/split/ya.make
index fbe94578b7..946e685ac8 100644
--- a/library/cpp/deprecated/split/ya.make
+++ b/library/cpp/deprecated/split/ya.make
@@ -7,8 +7,8 @@ SRCS(
     split_iterator.cpp
 )
 
-PEERDIR( 
+PEERDIR(
     library/cpp/deprecated/kmp
-) 
- 
+)
+
 END()
diff --git a/library/cpp/deprecated/ya.make b/library/cpp/deprecated/ya.make
index 35d16e9cd8..6c753f68a9 100644
--- a/library/cpp/deprecated/ya.make
+++ b/library/cpp/deprecated/ya.make
@@ -18,8 +18,8 @@ RECURSE(
     ipreg1/ut_full
     ipreg1/util
     iter
-    kmp 
-    kmp/ut 
+    kmp
+    kmp/ut
     mapped_file
     mapped_file/ut
     mbitmap
@@ -37,8 +37,8 @@ RECURSE(
     datawork/conf
     calc_module
     iterators_heap
-    parse_utils 
-    parse_utils/ut 
+    parse_utils
+    parse_utils/ut
     small_array
     solartrie
     solartrie/indexed_region/ut
diff --git a/library/cpp/diff/diff.cpp b/library/cpp/diff/diff.cpp
index 581afc29ac..be57da7f39 100644
--- a/library/cpp/diff/diff.cpp
+++ b/library/cpp/diff/diff.cpp
@@ -7,8 +7,8 @@
 
 template <typename T>
 struct TCollectionImpl {
-    TVector<TConstArrayRef<T>> Words; 
-    TVector<ui64> Keys; 
+    TVector<TConstArrayRef<T>> Words;
+    TVector<ui64> Keys;
 
     inline bool Consume(const T* b, const T* e, const T*) {
         if (b < e) {
@@ -64,7 +64,7 @@ size_t NDiff::InlineDiff(TVector<TChunk<char>>& chunks, const TStringBuf& left,
     }
     TCollection<char> c1(left, delims);
     TCollection<char> c2(right, delims);
-    TVector<TChunk<ui64>> diff; 
+    TVector<TChunk<ui64>> diff;
     const size_t dist = InlineDiff<ui64>(diff, c1.GetKeys(), c2.GetKeys());
     for (const auto& it : diff) {
         chunks.push_back(TChunk<char>(c1.Remap(it.Left), c2.Remap(it.Right), c1.Remap(it.Common)));
@@ -78,7 +78,7 @@ size_t NDiff::InlineDiff(TVector<TChunk<wchar16>>& chunks, const TWtringBuf& lef
     }
     TCollection<wchar16> c1(left, delims);
     TCollection<wchar16> c2(right, delims);
-    TVector<TChunk<ui64>> diff; 
+    TVector<TChunk<ui64>> diff;
     const size_t dist = InlineDiff<ui64>(diff, c1.GetKeys(), c2.GetKeys());
     for (const auto& it : diff) {
         chunks.push_back(TChunk<wchar16>(c1.Remap(it.Left), c2.Remap(it.Right), c1.Remap(it.Common)));
diff --git a/library/cpp/diff/diff.h b/library/cpp/diff/diff.h
index 5a4f2e4314..94fb00cd0b 100644
--- a/library/cpp/diff/diff.h
+++ b/library/cpp/diff/diff.h
@@ -3,7 +3,7 @@
 #include <library/cpp/lcs/lcs_via_lis.h>
 
 #include <util/generic/algorithm.h>
-#include <util/generic/array_ref.h> 
+#include <util/generic/array_ref.h>
 #include <util/generic/strbuf.h>
 #include <util/generic/vector.h>
 #include <util/stream/output.h>
@@ -39,7 +39,7 @@ namespace NDiff {
             swapped = true;
         }
 
-        TVector<T> lcs; 
+        TVector<T> lcs;
         NLCS::TLCSCtx<T> ctx;
         NLCS::MakeLCS<T>(s1, s2, &lcs, &ctx);
 
@@ -91,8 +91,8 @@ namespace NDiff {
     }
 
     template <typename TFormatter, typename T>
-    void PrintChunks(IOutputStream& out, const TFormatter& fmt, const TVector<TChunk<T>>& chunks) { 
-        for (typename TVector<TChunk<T>>::const_iterator chunk = chunks.begin(); chunk != chunks.end(); ++chunk) { 
+    void PrintChunks(IOutputStream& out, const TFormatter& fmt, const TVector<TChunk<T>>& chunks) {
+        for (typename TVector<TChunk<T>>::const_iterator chunk = chunks.begin(); chunk != chunks.end(); ++chunk) {
             if (!chunk->Left.empty() || !chunk->Right.empty()) {
                 out << fmt.Special("(");
                 out << fmt.Left(chunk->Left);
diff --git a/library/cpp/diff/diff_ut.cpp b/library/cpp/diff/diff_ut.cpp
index d409faf4e3..b82a7b000e 100644
--- a/library/cpp/diff/diff_ut.cpp
+++ b/library/cpp/diff/diff_ut.cpp
@@ -6,7 +6,7 @@ using namespace NDiff;
 
 struct TDiffTester {
     TStringStream Res;
-    TVector<TChunk<char>> Chunks; 
+    TVector<TChunk<char>> Chunks;
 
     TStringBuf Special(const TStringBuf& str) const {
         return str;
@@ -24,14 +24,14 @@ struct TDiffTester {
         return TStringBuf(str.begin(), str.end());
     }
 
-    void Test(const TStringBuf& a, const TStringBuf& b, const TString& delims = " \t\n") { 
+    void Test(const TStringBuf& a, const TStringBuf& b, const TString& delims = " \t\n") {
         Chunks.clear();
         InlineDiff(Chunks, a, b, delims);
         Res.clear();
         PrintChunks(Res, *this, Chunks);
     }
 
-    const TString& Result() const { 
+    const TString& Result() const {
         return Res.Str();
     }
 };
diff --git a/library/cpp/digest/argonish/internal/argon2/argon2_base.h b/library/cpp/digest/argonish/internal/argon2/argon2_base.h
index 9b02d1efbb..2385cc947c 100644
--- a/library/cpp/digest/argonish/internal/argon2/argon2_base.h
+++ b/library/cpp/digest/argonish/internal/argon2/argon2_base.h
@@ -153,19 +153,19 @@ namespace NArgonish {
                 ui8 in_buffer[BLAKE2B_OUTBYTES];
                 ui32 toproduce = outlen - BLAKE2B_OUTBYTES / 2;
 
-                TBlake2B<instructionSet> hash1(BLAKE2B_OUTBYTES); 
-                hash1.Update(outlen); 
-                hash1.Update(in, inlen); 
-                hash1.Final(out_buffer, BLAKE2B_OUTBYTES); 
+                TBlake2B<instructionSet> hash1(BLAKE2B_OUTBYTES);
+                hash1.Update(outlen);
+                hash1.Update(in, inlen);
+                hash1.Final(out_buffer, BLAKE2B_OUTBYTES);
 
                 memcpy(out, out_buffer, BLAKE2B_OUTBYTES / 2);
                 out += BLAKE2B_OUTBYTES / 2;
 
                 while (toproduce > BLAKE2B_OUTBYTES) {
                     memcpy(in_buffer, out_buffer, BLAKE2B_OUTBYTES);
-                    TBlake2B<instructionSet> hash2(BLAKE2B_OUTBYTES); 
-                    hash2.Update(in_buffer, BLAKE2B_OUTBYTES); 
-                    hash2.Final(out_buffer, BLAKE2B_OUTBYTES); 
+                    TBlake2B<instructionSet> hash2(BLAKE2B_OUTBYTES);
+                    hash2.Update(in_buffer, BLAKE2B_OUTBYTES);
+                    hash2.Final(out_buffer, BLAKE2B_OUTBYTES);
                     memcpy(out, out_buffer, BLAKE2B_OUTBYTES / 2);
                     out += BLAKE2B_OUTBYTES / 2;
                     toproduce -= BLAKE2B_OUTBYTES / 2;
@@ -173,9 +173,9 @@ namespace NArgonish {
 
                 memcpy(in_buffer, out_buffer, BLAKE2B_OUTBYTES);
                 {
-                    TBlake2B<instructionSet> hash3(toproduce); 
-                    hash3.Update(in_buffer, BLAKE2B_OUTBYTES); 
-                    hash3.Final(out_buffer, toproduce); 
+                    TBlake2B<instructionSet> hash3(toproduce);
+                    hash3.Update(in_buffer, BLAKE2B_OUTBYTES);
+                    hash3.Final(out_buffer, toproduce);
                     memcpy(out, out_buffer, toproduce);
                 }
             }
diff --git a/library/cpp/digest/lower_case/hash_ops.h b/library/cpp/digest/lower_case/hash_ops.h
index 8bc3171390..83ebf7aca4 100644
--- a/library/cpp/digest/lower_case/hash_ops.h
+++ b/library/cpp/digest/lower_case/hash_ops.h
@@ -2,7 +2,7 @@
 
 #include <util/generic/strbuf.h>
 
-// can be used for caseless hashes like: THashMap<TStringBuf, T, TCIOps, TCIOps> 
+// can be used for caseless hashes like: THashMap<TStringBuf, T, TCIOps, TCIOps>
 
 struct TCIOps {
     size_t operator()(const char* s) const noexcept;
diff --git a/library/cpp/digest/lower_case/hash_ops_ut.cpp b/library/cpp/digest/lower_case/hash_ops_ut.cpp
index 610f89f246..a7ab0b86ea 100644
--- a/library/cpp/digest/lower_case/hash_ops_ut.cpp
+++ b/library/cpp/digest/lower_case/hash_ops_ut.cpp
@@ -4,7 +4,7 @@
 
 Y_UNIT_TEST_SUITE(TestCIHash) {
     Y_UNIT_TEST(TestYHash1) {
-        THashMap<TStringBuf, int, TCIOps, TCIOps> h; 
+        THashMap<TStringBuf, int, TCIOps, TCIOps> h;
 
         h["Ab"] = 1;
         h["aB"] = 2;
@@ -14,7 +14,7 @@ Y_UNIT_TEST_SUITE(TestCIHash) {
     }
 
     Y_UNIT_TEST(TestYHash2) {
-        THashMap<const char*, int, TCIOps, TCIOps> h; 
+        THashMap<const char*, int, TCIOps, TCIOps> h;
 
         h["Ab"] = 1;
         h["aB"] = 2;
diff --git a/library/cpp/digest/lower_case/lchash.h b/library/cpp/digest/lower_case/lchash.h
index 5cc13bc612..6a287d9479 100644
--- a/library/cpp/digest/lower_case/lchash.h
+++ b/library/cpp/digest/lower_case/lchash.h
@@ -6,13 +6,13 @@
 #include <util/generic/strbuf.h>
 
 template <class T>
-static inline T FnvCaseLess(const char* b, size_t l, T t = 0) noexcept { 
+static inline T FnvCaseLess(const char* b, size_t l, T t = 0) noexcept {
     using TIter = TLowerCaseIterator<const char>;
 
     return FnvHash(TIter(b), TIter(b + l), t);
 }
 
 template <class T>
-static inline T FnvCaseLess(const TStringBuf& s, T t = 0) noexcept { 
+static inline T FnvCaseLess(const TStringBuf& s, T t = 0) noexcept {
     return FnvCaseLess(s.data(), s.size(), t);
 }
diff --git a/library/cpp/digest/lower_case/lciter.h b/library/cpp/digest/lower_case/lciter.h
index 72f639605e..9538e57932 100644
--- a/library/cpp/digest/lower_case/lciter.h
+++ b/library/cpp/digest/lower_case/lciter.h
@@ -7,24 +7,24 @@
 
 template <class T>
 struct TLowerCaseIterator: public std::iterator<std::input_iterator_tag, T> {
-    using TNonConst = std::remove_const_t<T>; 
+    using TNonConst = std::remove_const_t<T>;
 
     inline TLowerCaseIterator(T* c)
         : C(c)
     {
     }
 
-    inline TLowerCaseIterator& operator++() noexcept { 
+    inline TLowerCaseIterator& operator++() noexcept {
         ++C;
 
         return *this;
     }
 
-    inline TLowerCaseIterator operator++(int) noexcept { 
+    inline TLowerCaseIterator operator++(int) noexcept {
         return C++;
     }
 
-    inline TNonConst operator*() const noexcept { 
+    inline TNonConst operator*() const noexcept {
         return AsciiToLower(*C);
     }
 
@@ -32,11 +32,11 @@ struct TLowerCaseIterator: public std::iterator<std::input_iterator_tag, T> {
 };
 
 template <class T>
-inline bool operator==(const TLowerCaseIterator<T>& l, const TLowerCaseIterator<T>& r) noexcept { 
+inline bool operator==(const TLowerCaseIterator<T>& l, const TLowerCaseIterator<T>& r) noexcept {
     return l.C == r.C;
 }
 
 template <class T>
-inline bool operator!=(const TLowerCaseIterator<T>& l, const TLowerCaseIterator<T>& r) noexcept { 
+inline bool operator!=(const TLowerCaseIterator<T>& l, const TLowerCaseIterator<T>& r) noexcept {
     return !(l == r);
 }
diff --git a/library/cpp/digest/md5/md5.cpp b/library/cpp/digest/md5/md5.cpp
index 181fbcc812..24a5b69eef 100644
--- a/library/cpp/digest/md5/md5.cpp
+++ b/library/cpp/digest/md5/md5.cpp
@@ -38,7 +38,7 @@ namespace {
 
 char* MD5::File(const char* filename, char* buf) {
     try {
-        TUnbufferedFileInput fi(filename); 
+        TUnbufferedFileInput fi(filename);
 
         return Stream(&fi, buf);
     } catch (...) {
@@ -47,7 +47,7 @@ char* MD5::File(const char* filename, char* buf) {
     return nullptr;
 }
 
-TString MD5::File(const TString& filename) { 
+TString MD5::File(const TString& filename) {
     TString buf;
     buf.ReserveAndResize(MD5_HEX_DIGEST_LENGTH);
     auto result = MD5::File(filename.data(), buf.begin());
@@ -225,7 +225,7 @@ TString MD5::CalcRaw(TStringBuf data) {
 }
 
 TString MD5::CalcRaw(const TArrayRef<const ui8>& data) {
-    TString result; 
+    TString result;
     result.ReserveAndResize(16);
     MD5().Update(data).Final(reinterpret_cast<ui8*>(result.begin()));
     return result;
diff --git a/library/cpp/digest/md5/md5.h b/library/cpp/digest/md5/md5.h
index c2aab90e4a..2c17aa0518 100644
--- a/library/cpp/digest/md5/md5.h
+++ b/library/cpp/digest/md5/md5.h
@@ -46,7 +46,7 @@ public:
      * Return nullptr / empty string if the file does not exist.
      */
     static char* File(const char* filename, char* buf);
-    static TString File(const TString& filename); 
+    static TString File(const TString& filename);
 
     static char* Data(const void* data, size_t len, char* buf);
     static char* Data(const TArrayRef<const ui8>& data, char* buf);
diff --git a/library/cpp/digest/md5/md5_ut.cpp b/library/cpp/digest/md5/md5_ut.cpp
index 70c2946f03..1c3e4ad0a9 100644
--- a/library/cpp/digest/md5/md5_ut.cpp
+++ b/library/cpp/digest/md5/md5_ut.cpp
@@ -15,7 +15,7 @@ Y_UNIT_TEST_SUITE(TMD5Test) {
         r.Update((const unsigned char*)b + 15, strlen(b) - 15);
 
         char rs[33];
-        TString s(r.End(rs)); 
+        TString s(r.End(rs));
         s.to_lower();
 
         UNIT_ASSERT_NO_DIFF(s, TStringBuf("3ac00dd696b966fd74deee3c35a59d8f"));
@@ -26,11 +26,11 @@ Y_UNIT_TEST_SUITE(TMD5Test) {
     }
 
     Y_UNIT_TEST(TestFile) {
-        TString s = NUnitTest::RandomString(1000000, 1); 
-        const TString tmpFile = "tmp"; 
+        TString s = NUnitTest::RandomString(1000000, 1);
+        const TString tmpFile = "tmp";
 
         {
-            TFixedBufferFileOutput fo(tmpFile); 
+            TFixedBufferFileOutput fo(tmpFile);
             fo.Write(s.data(), s.size());
         }
 
diff --git a/library/cpp/digest/old_crc/gencrc/main.cpp b/library/cpp/digest/old_crc/gencrc/main.cpp
index d7816d9631..d5821304ce 100644
--- a/library/cpp/digest/old_crc/gencrc/main.cpp
+++ b/library/cpp/digest/old_crc/gencrc/main.cpp
@@ -16,10 +16,10 @@ static void crc16init() {
             else
                 crc >>= 1;
 
-    for (size_t k = 0; k < 256; ++k) { 
-        Cout << "    ULL(" << CRCTAB16[k] << ")"; 
+    for (size_t k = 0; k < 256; ++k) {
+        Cout << "    ULL(" << CRCTAB16[k] << ")";
 
-        if (k != 255) { 
+        if (k != 255) {
             Cout << ",\n";
         }
     }
@@ -37,10 +37,10 @@ static void crc32init() {
             else
                 crc >>= 1;
 
-    for (size_t k = 0; k < 256; ++k) { 
-        Cout << "    ULL(" << CRCTAB32[k] << ")"; 
+    for (size_t k = 0; k < 256; ++k) {
+        Cout << "    ULL(" << CRCTAB32[k] << ")";
 
-        if (k != 255) { 
+        if (k != 255) {
             Cout << ",\n";
         }
     }
diff --git a/library/cpp/digest/sfh/sfh.h b/library/cpp/digest/sfh/sfh.h
index 3e998d8848..372938654c 100644
--- a/library/cpp/digest/sfh/sfh.h
+++ b/library/cpp/digest/sfh/sfh.h
@@ -3,7 +3,7 @@
 #include <util/system/defaults.h>
 #include <util/system/unaligned_mem.h>
 
-inline ui32 SuperFastHash(const void* d, size_t l) noexcept { 
+inline ui32 SuperFastHash(const void* d, size_t l) noexcept {
     ui32 hash = (ui32)l;
     ui32 tmp;
 
diff --git a/library/cpp/digest/ya.make b/library/cpp/digest/ya.make
index 64dcbc7c87..61d4b50903 100644
--- a/library/cpp/digest/ya.make
+++ b/library/cpp/digest/ya.make
@@ -1,8 +1,8 @@
 RECURSE(
-    argonish 
-    argonish/benchmark 
-    argonish/ut_fat 
-    argonish/ut 
+    argonish
+    argonish/benchmark
+    argonish/ut_fat
+    argonish/ut
     benchmark
     fast
     lower_case
diff --git a/library/cpp/dns/cache.cpp b/library/cpp/dns/cache.cpp
index a1031fed02..05c14e82fc 100644
--- a/library/cpp/dns/cache.cpp
+++ b/library/cpp/dns/cache.cpp
@@ -80,7 +80,7 @@ namespace {
             }
         }
 
-        void AddAlias(const TString& host, const TString& alias) noexcept { 
+        void AddAlias(const TString& host, const TString& alias) noexcept {
             TWriteGuard guard(LA_);
 
             A_[host] = alias;
@@ -92,8 +92,8 @@ namespace {
 
     private:
         inline TResolvedHostPtr ResolveA(const TResolveTask& rt) {
-            TString originalHost(rt.Info.Host); 
-            TString host(originalHost); 
+            TString originalHost(rt.Info.Host);
+            TString host(originalHost);
 
             //3. replace host to alias, if exist
             if (A_.size()) {
@@ -129,10 +129,10 @@ namespace {
             return new TResolvedHost(originalHost, *na);
         }
 
-        typedef THashMap<TResolveInfo, TResolvedHostPtr, THashResolveInfo, TCompareResolveInfo> TCache; 
+        typedef THashMap<TResolveInfo, TResolvedHostPtr, THashResolveInfo, TCompareResolveInfo> TCache;
         TCache C_;
         TRWMutex L_;
-        typedef THashMap<TString, TString> TAliases; 
+        typedef THashMap<TString, TString> TAliases;
         TAliases A_;
         TRWMutex LA_;
     };
@@ -162,7 +162,7 @@ namespace {
         }
 
     private:
-        typedef THashMap<TResolveInfo, const TResolvedHost*, THashResolveInfo, TCompareResolveInfo> TCache; 
+        typedef THashMap<TResolveInfo, const TResolvedHost*, THashResolveInfo, TCompareResolveInfo> TCache;
         TCache C_;
         IDns* S_;
     };
@@ -192,7 +192,7 @@ namespace NDns {
         return ThrDns()->Resolve(rt);
     }
 
-    void AddHostAlias(const TString& host, const TString& alias) { 
+    void AddHostAlias(const TString& host, const TString& alias) {
         TGlobalCachedDns::Instance()->AddAlias(host, alias);
     }
 }
diff --git a/library/cpp/dns/cache.h b/library/cpp/dns/cache.h
index 01c5da298f..eda5dc4070 100644
--- a/library/cpp/dns/cache.h
+++ b/library/cpp/dns/cache.h
@@ -2,7 +2,7 @@
 
 #include <util/network/socket.h>
 #include <util/generic/strbuf.h>
-#include <util/generic/string.h> 
+#include <util/generic/string.h>
 
 namespace NDns {
     struct TResolveInfo {
@@ -17,14 +17,14 @@ namespace NDns {
     };
 
     struct TResolvedHost {
-        inline TResolvedHost(const TString& host, const TNetworkAddress& addr) noexcept 
+        inline TResolvedHost(const TString& host, const TNetworkAddress& addr) noexcept
             : Host(host)
             , Addr(addr)
             , Id(0)
         {
         }
 
-        TString Host; //resolved hostname (from TResolveInfo, - before aliasing) 
+        TString Host; //resolved hostname (from TResolveInfo, - before aliasing)
         TNetworkAddress Addr;
         size_t Id; //cache record id
     };
@@ -41,5 +41,5 @@ namespace NDns {
     const TResolvedHost* CachedThrResolve(const TResolveInfo& ri);
 
     //create alias for host, which can be used for static resolving (when alias is ip address)
-    void AddHostAlias(const TString& host, const TString& alias); 
+    void AddHostAlias(const TString& host, const TString& alias);
 }
diff --git a/library/cpp/dns/thread.cpp b/library/cpp/dns/thread.cpp
index a8441d7c90..8b27d2d527 100644
--- a/library/cpp/dns/thread.cpp
+++ b/library/cpp/dns/thread.cpp
@@ -14,7 +14,7 @@ using namespace NDns;
 namespace {
     class TThreadedResolver: public IThreadFactory::IThreadAble, public TNonCopyable {
         struct TResolveRequest {
-            inline TResolveRequest(const TString& host, ui16 port) 
+            inline TResolveRequest(const TString& host, ui16 port)
                 : Host(host)
                 , Port(port)
             {
@@ -36,7 +36,7 @@ namespace {
                 ythrow TNetworkResolutionError(EAI_FAIL) << TStringBuf(": shit happen");
             }
 
-            inline void Resolve() noexcept { 
+            inline void Resolve() noexcept {
                 try {
                     Result = new TNetworkAddress(Host, Port);
                 } catch (...) {
@@ -46,11 +46,11 @@ namespace {
                 Wake();
             }
 
-            inline void Wake() noexcept { 
+            inline void Wake() noexcept {
                 E.Signal();
             }
 
-            TString Host; 
+            TString Host;
             ui16 Port;
             TManualEvent E;
             TNetworkAddressPtr Result;
@@ -64,7 +64,7 @@ namespace {
             T_.push_back(SystemThreadFactory()->Run(this));
         }
 
-        inline ~TThreadedResolver() override { 
+        inline ~TThreadedResolver() override {
             Schedule(nullptr);
 
             for (size_t i = 0; i < T_.size(); ++i) {
@@ -86,7 +86,7 @@ namespace {
             return Singleton<TThreadedResolver>();
         }
 
-        inline TNetworkAddressPtr Resolve(const TString& host, ui16 port) { 
+        inline TNetworkAddressPtr Resolve(const TString& host, ui16 port) {
             TResolveRequest rr(host, port);
 
             Schedule(&rr);
@@ -122,12 +122,12 @@ namespace {
         TLockFreeQueue<TResolveRequest*> Q_;
         TSystemEvent E_;
         typedef TAutoPtr<IThreadFactory::IThread> IThreadRef;
-        TVector<IThreadRef> T_; 
+        TVector<IThreadRef> T_;
     };
 }
 
 namespace NDns {
-    TNetworkAddressPtr ThreadedResolve(const TString& host, ui16 port) { 
+    TNetworkAddressPtr ThreadedResolve(const TString& host, ui16 port) {
         return TThreadedResolver::Instance()->Resolve(host, port);
     }
 }
diff --git a/library/cpp/dns/thread.h b/library/cpp/dns/thread.h
index f831b6bd0b..06b41d78ce 100644
--- a/library/cpp/dns/thread.h
+++ b/library/cpp/dns/thread.h
@@ -2,11 +2,11 @@
 
 #include <util/network/socket.h>
 
-#include <util/generic/string.h> 
+#include <util/generic/string.h>
 #include <util/generic/ptr.h>
 
 namespace NDns {
     typedef TAutoPtr<TNetworkAddress> TNetworkAddressPtr;
 
-    TNetworkAddressPtr ThreadedResolve(const TString& host, ui16 port); 
+    TNetworkAddressPtr ThreadedResolve(const TString& host, ui16 port);
 }
diff --git a/library/cpp/enumbitset/enumbitset.h b/library/cpp/enumbitset/enumbitset.h
index bd82474633..41864c3a04 100644
--- a/library/cpp/enumbitset/enumbitset.h
+++ b/library/cpp/enumbitset/enumbitset.h
@@ -285,13 +285,13 @@ public:
         return t;
     }
 
-    TString ToString() const { 
+    TString ToString() const {
         static_assert(sizeof(typename TParent::TChunk) <= sizeof(ui64), "expect sizeof(typename TParent::TChunk) <= sizeof(ui64)");
         static const size_t chunkSize = sizeof(typename TParent::TChunk) * 8;
         static const size_t numDig = chunkSize / 4;
-        static const TString templ = Sprintf("%%0%lulX", numDig); 
+        static const TString templ = Sprintf("%%0%lulX", numDig);
         static const size_t numOfChunks = (BitsetSize + chunkSize - 1) / chunkSize;
-        TString ret; 
+        TString ret;
         for (int pos = numOfChunks * chunkSize; pos >= 0; pos -= chunkSize) {
             ui64 t = 0;
             this->Export(pos, t);
@@ -473,13 +473,13 @@ public:
         Init(c1, c2, r...);
     }
 
-    static TSfEnumBitSet GetFromString(const TString& s) { 
+    static TSfEnumBitSet GetFromString(const TString& s) {
         TSfEnumBitSet ebs;
         ebs.FromString(s);
         return ebs;
     }
 
-    static TSfEnumBitSet TryGetFromString(const TString& s) { 
+    static TSfEnumBitSet TryGetFromString(const TString& s) {
         TSfEnumBitSet ebs;
         ebs.TryFromString(s);
         return ebs;
diff --git a/library/cpp/execprofile/profile.cpp b/library/cpp/execprofile/profile.cpp
index 5af8845f63..d05de20203 100644
--- a/library/cpp/execprofile/profile.cpp
+++ b/library/cpp/execprofile/profile.cpp
@@ -19,7 +19,7 @@
 #include <util/generic/map.h>
 #include <util/generic/noncopyable.h>
 #include <util/generic/algorithm.h>
-#include <util/generic/vector.h> 
+#include <util/generic/vector.h>
 #include <util/stream/file.h>
 #include <util/string/util.h>
 #include <util/system/datetime.h>
diff --git a/library/cpp/getopt/print.cpp b/library/cpp/getopt/print.cpp
index 57c244f333..8cf1c62e4d 100644
--- a/library/cpp/getopt/print.cpp
+++ b/library/cpp/getopt/print.cpp
@@ -10,7 +10,7 @@
 #include <library/cpp/build_info/build_info.h>
 
 namespace NLastGetoptPrivate {
-    TString InitVersionString() { 
+    TString InitVersionString() {
         TString ts = GetProgramSvnVersion();
         ts += "\n";
         ts += GetBuildInfo();
@@ -27,7 +27,7 @@ namespace NLastGetoptPrivate {
         return ts;
     }
 
-    TString& VersionString(); 
+    TString& VersionString();
     TString& ShortVersionString();
 
     struct TInit {
diff --git a/library/cpp/getopt/small/last_getopt_opt.h b/library/cpp/getopt/small/last_getopt_opt.h
index fe6c2c064d..a8dd5adca9 100644
--- a/library/cpp/getopt/small/last_getopt_opt.h
+++ b/library/cpp/getopt/small/last_getopt_opt.h
@@ -5,7 +5,7 @@
 
 #include <util/string/split.h>
 #include <util/generic/ptr.h>
-#include <util/generic/string.h> 
+#include <util/generic/string.h>
 #include <util/generic/maybe.h>
 #include <util/generic/vector.h>
 #include <util/string/cast.h>
diff --git a/library/cpp/getopt/small/last_getopt_opts.cpp b/library/cpp/getopt/small/last_getopt_opts.cpp
index 13c327af12..03c432849f 100644
--- a/library/cpp/getopt/small/last_getopt_opts.cpp
+++ b/library/cpp/getopt/small/last_getopt_opts.cpp
@@ -11,8 +11,8 @@
 #include <stdlib.h>
 
 namespace NLastGetoptPrivate {
-    TString& VersionString() { 
-        static TString data; 
+    TString& VersionString() {
+        static TString data;
         return data;
     }
     TString& ShortVersionString() {
diff --git a/library/cpp/getopt/small/last_getopt_parser.cpp b/library/cpp/getopt/small/last_getopt_parser.cpp
index cf04841fd4..7668b12a03 100644
--- a/library/cpp/getopt/small/last_getopt_parser.cpp
+++ b/library/cpp/getopt/small/last_getopt_parser.cpp
@@ -124,7 +124,7 @@ namespace NLastGetopt {
         if (opt->GetHasArg() == NO_ARGUMENT) {
             return Commit(opt, nullptr, pos, p);
         }
-        return Commit(opt, arg.SubStr(p), pos + 1, 0); 
+        return Commit(opt, arg.SubStr(p), pos + 1, 0);
     }
 
     bool TOptsParser::ParseShortOptArg(size_t pos) {
diff --git a/library/cpp/getopt/small/last_getopt_support.h b/library/cpp/getopt/small/last_getopt_support.h
index 72474578c5..17bed3e614 100644
--- a/library/cpp/getopt/small/last_getopt_support.h
+++ b/library/cpp/getopt/small/last_getopt_support.h
@@ -1,7 +1,7 @@
 #pragma once
 
 #include <util/string/cast.h>
-#include <util/generic/string.h> 
+#include <util/generic/string.h>
 #include <util/generic/vector.h>
 #include <util/generic/utility.h>
 #include <util/generic/yexception.h>
diff --git a/library/cpp/getopt/small/modchooser.cpp b/library/cpp/getopt/small/modchooser.cpp
index f6e091fb2d..2fa5cfd070 100644
--- a/library/cpp/getopt/small/modchooser.cpp
+++ b/library/cpp/getopt/small/modchooser.cpp
@@ -128,11 +128,11 @@ void TModChooser::AddAlias(const TString& alias, const TString& mode) {
     Modes[alias] = Modes[mode];
 }
 
-void TModChooser::SetDescription(const TString& descr) { 
+void TModChooser::SetDescription(const TString& descr) {
     Description = descr;
 }
 
-void TModChooser::SetModesHelpOption(const TString& helpOption) { 
+void TModChooser::SetModesHelpOption(const TString& helpOption) {
     ModesHelpOption = helpOption;
 }
 
@@ -144,7 +144,7 @@ void TModChooser::SetSeparatedMode(bool separated) {
     ShowSeparated = separated;
 }
 
-void TModChooser::SetSeparationString(const TString& str) { 
+void TModChooser::SetSeparationString(const TString& str) {
     SeparationString = str;
 }
 
@@ -277,7 +277,7 @@ TString TModChooser::TMode::FormatFullName(size_t pad) const {
     return name;
 }
 
-void TModChooser::PrintHelp(const TString& progName) const { 
+void TModChooser::PrintHelp(const TString& progName) const {
     Cerr << Description << Endl << Endl;
     Cerr << NColorizer::StdErr().BoldColor() << "Usage" << NColorizer::StdErr().OldColor() << ": " << progName << " MODE [MODE_OPTIONS]" << Endl;
     Cerr << Endl;
diff --git a/library/cpp/getopt/small/modchooser.h b/library/cpp/getopt/small/modchooser.h
index 656e007489..0a8de6d50b 100644
--- a/library/cpp/getopt/small/modchooser.h
+++ b/library/cpp/getopt/small/modchooser.h
@@ -3,7 +3,7 @@
 #include "last_getopt_opts.h"
 
 #include <util/generic/map.h>
-#include <util/generic/string.h> 
+#include <util/generic/string.h>
 #include <util/generic/vector.h>
 
 #include <functional>
@@ -63,10 +63,10 @@ public:
     void AddAlias(const TString& alias, const TString& mode);
 
     //! Set main program description.
-    void SetDescription(const TString& descr); 
+    void SetDescription(const TString& descr);
 
     //! Set modes help option name (-? is by default)
-    void SetModesHelpOption(const TString& helpOption); 
+    void SetModesHelpOption(const TString& helpOption);
 
     //! Specify handler for '--version' parameter
     void SetVersionHandler(TVersionHandlerPtr handler);
@@ -75,7 +75,7 @@ public:
     void SetSeparatedMode(bool separated = true);
 
     //! Set separation string
-    void SetSeparationString(const TString& str); 
+    void SetSeparationString(const TString& str);
 
     //! Set short command representation in Usage block
     void SetPrintShortCommandInUsage(bool printShortCommandInUsage);
@@ -100,12 +100,12 @@ public:
     //! Run appropriate mode. Same as Run(const int, const char**)
     int Run(const TVector<TString>& argv) const;
 
-    void PrintHelp(const TString& progName) const; 
+    void PrintHelp(const TString& progName) const;
 
     struct TMode {
-        TString Name; 
+        TString Name;
         TMainClass* Main;
-        TString Description; 
+        TString Description;
         bool Hidden;
         bool NoCompletion;
         TVector<TString> Aliases;
@@ -136,10 +136,10 @@ public:
 
 private:
     //! Main program description.
-    TString Description; 
+    TString Description;
 
     //! Help option for modes.
-    TString ModesHelpOption; 
+    TString ModesHelpOption;
 
     //! Wrappers around all modes.
     TVector<THolder<TMainClass>> Wrappers;
@@ -162,7 +162,7 @@ private:
     bool PrintShortCommandInUsage;
 
     //! Text string used when displaying each separator
-    TString SeparationString; 
+    TString SeparationString;
 
     //! Unsorted list of options
     TVector<THolder<TMode>> UnsortedModes;
diff --git a/library/cpp/getopt/small/opt.h b/library/cpp/getopt/small/opt.h
index b18f06d6e0..ecb57439bc 100644
--- a/library/cpp/getopt/small/opt.h
+++ b/library/cpp/getopt/small/opt.h
@@ -93,7 +93,7 @@ public:
         return Arg;
     }
 
-    TVector<TString> GetFreeArgs() const { 
+    TVector<TString> GetFreeArgs() const {
         return NLastGetopt::TOptsParseResult(&*Opts_, GetArgC(), GetArgV()).GetFreeArgs();
     }
 
diff --git a/library/cpp/getopt/small/opt2.cpp b/library/cpp/getopt/small/opt2.cpp
index 2816aef7a5..0cdc774e78 100644
--- a/library/cpp/getopt/small/opt2.cpp
+++ b/library/cpp/getopt/small/opt2.cpp
@@ -57,7 +57,7 @@ void Opt2::EatArgv(const char* optspec, const char* long_alias) {
     // long_alias has a form "long-name1=A,long-name2=B", etc.
     // This implementation is limited to aliasing a single long option
     // with single short option (extend it if you really need).
-    THashMap<const char*, char> long2short; 
+    THashMap<const char*, char> long2short;
     long2short["help"] = '?';
     long_alias = long_alias ? long_alias : "";
     alias_copy = long_alias;
@@ -105,7 +105,7 @@ void Opt2::EatArgv(const char* optspec, const char* long_alias) {
             }
             // long option always spans one argv (--switch or --option-name=value)
             const char* eq = strchr(s, '=');
-            TString lname(s, eq ? (size_t)(eq - s) : (size_t)strlen(s)); 
+            TString lname(s, eq ? (size_t)(eq - s) : (size_t)strlen(s));
             THashMap<const char*, char>::iterator i = long2short.find(lname.data());
             if (i == long2short.end()) {
                 UnknownLongOption = strdup(lname.data()); // free'd in AutoUsage()
diff --git a/library/cpp/getopt/small/opt2.h b/library/cpp/getopt/small/opt2.h
index 70b2701122..4d9d943237 100644
--- a/library/cpp/getopt/small/opt2.h
+++ b/library/cpp/getopt/small/opt2.h
@@ -1,7 +1,7 @@
 #pragma once
 
 #include <util/system/defaults.h>
-#include <util/generic/string.h> 
+#include <util/generic/string.h>
 #include <util/generic/vector.h>
 
 // simplified options parser
@@ -31,9 +31,9 @@ struct Opt2Param {
     bool IsRequired;
     bool MultipleUse;
     const char* DefValue;
-    TString DefValueStr; 
-    TString HelpUsage; 
-    TVector<const char*> ActualValue; 
+    TString DefValueStr;
+    TString HelpUsage;
+    TVector<const char*> ActualValue;
     const char* LongOptName;
     Opt2Param()
         : HasArg(false)
@@ -112,7 +112,7 @@ public:
 
 public:
     // non-option args
-    TVector<char*> Pos; 
+    TVector<char*> Pos;
     bool HasErrors;
 
 private:
@@ -122,15 +122,15 @@ private:
     char OptionMissingArg;
     char OptionWrongArg;
     char RequiredOptionMissing;
-    TVector<TString> UserErrorMessages; 
+    TVector<TString> UserErrorMessages;
 
 protected:
     int Argc;
     char* const* Argv;
     int MinArgs, MaxArgs;
     ui8 SpecsMap[256];
-    TVector<Opt2Param> Specs; 
-    TString alias_copy; 
+    TVector<Opt2Param> Specs;
+    TString alias_copy;
     void EatArgv(const char* optspec, const char* long_alias);
     void Clear();
     Opt2Param& GetInternal(char opt, const char* defValue, const char* helpUsage, bool required);
diff --git a/library/cpp/getopt/small/ygetopt.cpp b/library/cpp/getopt/small/ygetopt.cpp
index f11e39588e..1f52827f74 100644
--- a/library/cpp/getopt/small/ygetopt.cpp
+++ b/library/cpp/getopt/small/ygetopt.cpp
@@ -1,7 +1,7 @@
 #include "opt.h"
 #include "ygetopt.h"
 
-#include <util/generic/string.h> 
+#include <util/generic/string.h>
 #include <util/generic/vector.h>
 #include <util/generic/yexception.h>
 
@@ -67,7 +67,7 @@ private:
     const char* Arg_;
 };
 
-TGetOpt::TIterator::TIterator() noexcept 
+TGetOpt::TIterator::TIterator() noexcept
     : Impl_(nullptr)
 {
 }
@@ -82,11 +82,11 @@ void TGetOpt::TIterator::Next() {
     Impl_->Next();
 }
 
-char TGetOpt::TIterator::Key() const noexcept { 
+char TGetOpt::TIterator::Key() const noexcept {
     return Impl_->Key();
 }
 
-bool TGetOpt::TIterator::AtEnd() const noexcept { 
+bool TGetOpt::TIterator::AtEnd() const noexcept {
     if (Impl_.Get()) {
         return Impl_->AtEnd();
     }
@@ -94,7 +94,7 @@ bool TGetOpt::TIterator::AtEnd() const noexcept {
     return true;
 }
 
-const char* TGetOpt::TIterator::Arg() const noexcept { 
+const char* TGetOpt::TIterator::Arg() const noexcept {
     if (Impl_.Get()) {
         return Impl_->Arg();
     }
@@ -102,7 +102,7 @@ const char* TGetOpt::TIterator::Arg() const noexcept {
     return nullptr;
 }
 
-TGetOpt::TGetOpt(int argc, const char* const* argv, const TString& format) 
+TGetOpt::TGetOpt(int argc, const char* const* argv, const TString& format)
     : Impl_(new TImpl(argc, argv, format))
 {
 }
diff --git a/library/cpp/getopt/ut/last_getopt_ut.cpp b/library/cpp/getopt/ut/last_getopt_ut.cpp
index d35a493021..c99a1d053d 100644
--- a/library/cpp/getopt/ut/last_getopt_ut.cpp
+++ b/library/cpp/getopt/ut/last_getopt_ut.cpp
@@ -19,22 +19,22 @@ namespace {
     };
 
     class TOptsParseResultTestWrapper: public TOptsParseResultException {
-        TVector<const char*> Argv_; 
+        TVector<const char*> Argv_;
 
     public:
-        TOptsParseResultTestWrapper(const TOpts* opts, TVector<const char*> argv) 
+        TOptsParseResultTestWrapper(const TOpts* opts, TVector<const char*> argv)
             : Argv_(argv)
         {
             Init(opts, (int)Argv_.size(), Argv_.data());
         }
     };
 
-    using V = TVector<const char*>; 
+    using V = TVector<const char*>;
 }
 
 struct TOptsParserTester {
     TOptsNoDefault Opts_;
-    TVector<const char*> Argv_; 
+    TVector<const char*> Argv_;
 
     THolder<TOptsParser> Parser_;
 
@@ -58,13 +58,13 @@ struct TOptsParserTester {
         UNIT_ASSERT(Parser_->CurOpt()->CharIs(c));
     }
 
-    void AcceptOption(const TString& optName) { 
+    void AcceptOption(const TString& optName) {
         AcceptOption();
         UNIT_ASSERT(Parser_->CurOpt()->NameIs(optName));
     }
 
     template <typename TOpt>
-    void AcceptOptionWithValue(TOpt optName, const TString& value) { 
+    void AcceptOptionWithValue(TOpt optName, const TString& value) {
         AcceptOption(optName);
         UNIT_ASSERT_VALUES_EQUAL_C(value, Parser_->CurValStr(), "; option " << optName);
     }
@@ -75,7 +75,7 @@ struct TOptsParserTester {
         UNIT_ASSERT_C(!Parser_->CurVal(), ": opt " << optName << " must have no param");
     }
 
-    void AcceptFreeArgInOrder(const TString& expected) { 
+    void AcceptFreeArgInOrder(const TString& expected) {
         Accept();
         UNIT_ASSERT(!Parser_->CurOpt());
         UNIT_ASSERT_VALUES_EQUAL(expected, Parser_->CurValStr());
@@ -114,7 +114,7 @@ struct TOptsParserTester {
         UNIT_ASSERT_VALUES_EQUAL(sop, Parser_->Sop_);
     }
 
-    void AcceptFreeArg(const TString& expected) { 
+    void AcceptFreeArg(const TString& expected) {
         UNIT_ASSERT(Pos_ < Parser_->Argc_);
         UNIT_ASSERT_VALUES_EQUAL(expected, Parser_->Argv_[Pos_]);
         ++Pos_;
@@ -417,7 +417,7 @@ Y_UNIT_TEST_SUITE(TLastGetoptTests) {
 
     Y_UNIT_TEST(TestStoreResult) {
         TOptsNoDefault opts;
-        TString data; 
+        TString data;
         int number;
         TMaybe<TString> optionalString0, optionalString1;
         TMaybe<int> optionalNumber0, optionalNumber1;
@@ -483,10 +483,10 @@ Y_UNIT_TEST_SUITE(TLastGetoptTests) {
 
     Y_UNIT_TEST(TestSplitValue) {
         TOptsNoDefault opts;
-        TVector<TString> vals; 
+        TVector<TString> vals;
         opts.AddLongOption('s', "split").SplitHandler(&vals, ',');
         TOptsParseResultTestWrapper r(&opts, V({"prog", "--split=a,b,c"}));
-        UNIT_ASSERT_EQUAL(vals.size(), 3); 
+        UNIT_ASSERT_EQUAL(vals.size(), 3);
         UNIT_ASSERT_EQUAL(vals[0], "a");
         UNIT_ASSERT_EQUAL(vals[1], "b");
         UNIT_ASSERT_EQUAL(vals[2], "c");
@@ -494,10 +494,10 @@ Y_UNIT_TEST_SUITE(TLastGetoptTests) {
 
     Y_UNIT_TEST(TestRangeSplitValue) {
         TOptsNoDefault opts;
-        TVector<ui32> vals; 
+        TVector<ui32> vals;
         opts.AddLongOption('s', "split").RangeSplitHandler(&vals, ',', '-');
         TOptsParseResultTestWrapper r(&opts, V({"prog", "--split=1,8-10", "--split=12-14"}));
-        UNIT_ASSERT_EQUAL(vals.size(), 7); 
+        UNIT_ASSERT_EQUAL(vals.size(), 7);
         UNIT_ASSERT_EQUAL(vals[0], 1);
         UNIT_ASSERT_EQUAL(vals[1], 8);
         UNIT_ASSERT_EQUAL(vals[2], 9);
@@ -577,7 +577,7 @@ Y_UNIT_TEST_SUITE(TLastGetoptTests) {
     Y_UNIT_TEST(TestTitleAndPrintUsage) {
         TOpts opts;
         const char* prog = "my_program";
-        TString title = TString("Sample ") + TString(prog).Quote() + " application"; 
+        TString title = TString("Sample ") + TString(prog).Quote() + " application";
         opts.SetTitle(title);
         int argc = 2;
         const char* cmd[] = {prog};
@@ -585,15 +585,15 @@ Y_UNIT_TEST_SUITE(TLastGetoptTests) {
         TStringStream out;
         parser.PrintUsage(out);
         // find title
-        UNIT_ASSERT(out.Str().find(title) != TString::npos); 
+        UNIT_ASSERT(out.Str().find(title) != TString::npos);
         // find usage
-        UNIT_ASSERT(out.Str().find(" " + TString(prog) + " ") != TString::npos); 
+        UNIT_ASSERT(out.Str().find(" " + TString(prog) + " ") != TString::npos);
     }
 
     Y_UNIT_TEST(TestCustomCmdLineDescr) {
         TOpts opts;
         const char* prog = "my_program";
-        TString customDescr = "<FILE|TABLE> USER [OPTIONS]"; 
+        TString customDescr = "<FILE|TABLE> USER [OPTIONS]";
         int argc = 2;
         const char* cmd[] = {prog};
         opts.SetCmdLineDescr(customDescr);
@@ -601,7 +601,7 @@ Y_UNIT_TEST_SUITE(TLastGetoptTests) {
         TStringStream out;
         parser.PrintUsage(out);
         // find custom usage
-        UNIT_ASSERT(out.Str().find(customDescr) != TString::npos); 
+        UNIT_ASSERT(out.Str().find(customDescr) != TString::npos);
     }
 
     Y_UNIT_TEST(TestColorPrint) {
@@ -622,28 +622,28 @@ Y_UNIT_TEST_SUITE(TLastGetoptTests) {
         parser.PrintUsage(out, colors);
 
         // find options and green color
-        UNIT_ASSERT(out.Str().find(TStringBuilder() << colors.GreenColor() << "--long_option" << colors.OldColor()) != TString::npos); 
-        UNIT_ASSERT(out.Str().find(TStringBuilder() << colors.GreenColor() << "--other" << colors.OldColor()) != TString::npos); 
-        UNIT_ASSERT(out.Str().find(TStringBuilder() << colors.GreenColor() << "-o" << colors.OldColor()) != TString::npos); 
-        UNIT_ASSERT(out.Str().find(TStringBuilder() << colors.GreenColor() << "-d" << colors.OldColor()) != TString::npos); 
-        UNIT_ASSERT(out.Str().find(TStringBuilder() << colors.GreenColor() << "-s" << colors.OldColor()) != TString::npos); 
+        UNIT_ASSERT(out.Str().find(TStringBuilder() << colors.GreenColor() << "--long_option" << colors.OldColor()) != TString::npos);
+        UNIT_ASSERT(out.Str().find(TStringBuilder() << colors.GreenColor() << "--other" << colors.OldColor()) != TString::npos);
+        UNIT_ASSERT(out.Str().find(TStringBuilder() << colors.GreenColor() << "-o" << colors.OldColor()) != TString::npos);
+        UNIT_ASSERT(out.Str().find(TStringBuilder() << colors.GreenColor() << "-d" << colors.OldColor()) != TString::npos);
+        UNIT_ASSERT(out.Str().find(TStringBuilder() << colors.GreenColor() << "-s" << colors.OldColor()) != TString::npos);
 
         // find default values
-        UNIT_ASSERT(out.Str().find(TStringBuilder() << colors.CyanColor() << "42" << colors.OldColor()) != TString::npos); 
-        UNIT_ASSERT(out.Str().find(TStringBuilder() << colors.CyanColor() << "\"str_default\"" << colors.OldColor()) != TString::npos); 
+        UNIT_ASSERT(out.Str().find(TStringBuilder() << colors.CyanColor() << "42" << colors.OldColor()) != TString::npos);
+        UNIT_ASSERT(out.Str().find(TStringBuilder() << colors.CyanColor() << "\"str_default\"" << colors.OldColor()) != TString::npos);
 
         // find free args
-        UNIT_ASSERT(out.Str().find(TStringBuilder() << colors.GreenColor() << "123" << colors.OldColor()) != TString::npos); 
-        UNIT_ASSERT(out.Str().find(TStringBuilder() << colors.GreenColor() << "456" << colors.OldColor()) != TString::npos); 
-        UNIT_ASSERT(out.Str().find(TStringBuilder() << colors.GreenColor() << "first_free_arg" << colors.OldColor()) != TString::npos); 
+        UNIT_ASSERT(out.Str().find(TStringBuilder() << colors.GreenColor() << "123" << colors.OldColor()) != TString::npos);
+        UNIT_ASSERT(out.Str().find(TStringBuilder() << colors.GreenColor() << "456" << colors.OldColor()) != TString::npos);
+        UNIT_ASSERT(out.Str().find(TStringBuilder() << colors.GreenColor() << "first_free_arg" << colors.OldColor()) != TString::npos);
         // free args without help not rendered even if they have custom title
         UNIT_ASSERT(out.Str().find(TStringBuilder() << colors.GreenColor() << "second_free_arg" << colors.OldColor()) == TString::npos);
 
         // find signatures
-        UNIT_ASSERT(out.Str().find(TStringBuilder() << colors.BoldColor() << "Usage" << colors.OldColor()) != TString::npos); 
-        UNIT_ASSERT(out.Str().find(TStringBuilder() << colors.BoldColor() << "Required parameters" << colors.OldColor()) != TString::npos); 
-        UNIT_ASSERT(out.Str().find(TStringBuilder() << colors.BoldColor() << "Optional parameters" << colors.OldColor()) != TString::npos); 
-        UNIT_ASSERT(out.Str().find(TStringBuilder() << colors.BoldColor() << "Free args" << colors.OldColor()) != TString::npos); 
+        UNIT_ASSERT(out.Str().find(TStringBuilder() << colors.BoldColor() << "Usage" << colors.OldColor()) != TString::npos);
+        UNIT_ASSERT(out.Str().find(TStringBuilder() << colors.BoldColor() << "Required parameters" << colors.OldColor()) != TString::npos);
+        UNIT_ASSERT(out.Str().find(TStringBuilder() << colors.BoldColor() << "Optional parameters" << colors.OldColor()) != TString::npos);
+        UNIT_ASSERT(out.Str().find(TStringBuilder() << colors.BoldColor() << "Free args" << colors.OldColor()) != TString::npos);
 
         // find sections
         UNIT_ASSERT(out.Str().find(TStringBuilder() << colors.BoldColor() << "Section" << colors.OldColor() << ":") != TString::npos);
@@ -652,10 +652,10 @@ Y_UNIT_TEST_SUITE(TLastGetoptTests) {
         // print without colors
         TStringStream out2;
         opts.PrintUsage(prog, out2);
-        UNIT_ASSERT(out2.Str().find(colors.GreenColor()) == TString::npos); 
-        UNIT_ASSERT(out2.Str().find(colors.CyanColor()) == TString::npos); 
-        UNIT_ASSERT(out2.Str().find(colors.BoldColor()) == TString::npos); 
-        UNIT_ASSERT(out2.Str().find(colors.OldColor()) == TString::npos); 
+        UNIT_ASSERT(out2.Str().find(colors.GreenColor()) == TString::npos);
+        UNIT_ASSERT(out2.Str().find(colors.CyanColor()) == TString::npos);
+        UNIT_ASSERT(out2.Str().find(colors.BoldColor()) == TString::npos);
+        UNIT_ASSERT(out2.Str().find(colors.OldColor()) == TString::npos);
     }
 
     Y_UNIT_TEST(TestPadding) {
@@ -675,21 +675,21 @@ Y_UNIT_TEST_SUITE(TLastGetoptTests) {
             NColorizer::TColors colors(withColors);
             parser.PrintUsage(out, colors);
 
-            TString printed = out.Str(); 
+            TString printed = out.Str();
             if (withColors) {
                 // remove not printable characters
-                SubstGlobal(printed, TString(colors.BoldColor()), ""); 
-                SubstGlobal(printed, TString(colors.GreenColor()), ""); 
-                SubstGlobal(printed, TString(colors.CyanColor()), ""); 
-                SubstGlobal(printed, TString(colors.OldColor()), ""); 
+                SubstGlobal(printed, TString(colors.BoldColor()), "");
+                SubstGlobal(printed, TString(colors.GreenColor()), "");
+                SubstGlobal(printed, TString(colors.CyanColor()), "");
+                SubstGlobal(printed, TString(colors.OldColor()), "");
             }
-            TVector<TString> lines; 
+            TVector<TString> lines;
             StringSplitter(printed).Split('\n').SkipEmpty().Collect(&lines);
             UNIT_ASSERT(!lines.empty());
-            TVector<size_t> indents; 
-            for (const TString& line : lines) { 
+            TVector<size_t> indents;
+            for (const TString& line : lines) {
                 const size_t indent = line.find("description ");
-                if (indent != TString::npos) 
+                if (indent != TString::npos)
                     indents.push_back(indent);
             }
             UNIT_ASSERT_VALUES_EQUAL(indents.size(), 7);
@@ -701,7 +701,7 @@ Y_UNIT_TEST_SUITE(TLastGetoptTests) {
     }
 
     Y_UNIT_TEST(TestAppendTo) {
-        TVector<int> ints; 
+        TVector<int> ints;
 
         TOptsNoDefault opts;
         opts.AddLongOption("size").AppendTo(&ints);
diff --git a/library/cpp/getopt/ut/opt_ut.cpp b/library/cpp/getopt/ut/opt_ut.cpp
index aad842a46e..441aa493a0 100644
--- a/library/cpp/getopt/ut/opt_ut.cpp
+++ b/library/cpp/getopt/ut/opt_ut.cpp
@@ -24,7 +24,7 @@ Y_UNIT_TEST_SUITE(OptTest) {
         int argc = 5;
         Opt opts(argc, argv, "", options);
 
-        UNIT_ASSERT_VALUES_EQUAL(JoinStrings(opts.GetFreeArgs(), ", "), "ARG1, ARG3"); 
+        UNIT_ASSERT_VALUES_EQUAL(JoinStrings(opts.GetFreeArgs(), ", "), "ARG1, ARG3");
     }
 
     Y_UNIT_TEST(TestLongOption) {
@@ -37,7 +37,7 @@ Y_UNIT_TEST_SUITE(OptTest) {
             int argc = 5;
             Opt opts(argc, argv, "", options);
 
-            TString optionValue = ""; 
+            TString optionValue = "";
             int optlet = 0;
             while ((optlet = opts.Get()) != EOF) {
                 if (optlet == SOME_OPTION_ID) {
diff --git a/library/cpp/getopt/ut/posix_getopt_ut.cpp b/library/cpp/getopt/ut/posix_getopt_ut.cpp
index 7a9dbf6c5c..b6d374bf28 100644
--- a/library/cpp/getopt/ut/posix_getopt_ut.cpp
+++ b/library/cpp/getopt/ut/posix_getopt_ut.cpp
@@ -13,9 +13,9 @@ Y_UNIT_TEST_SUITE(TPosixGetoptTest) {
         NLastGetopt::optreset = 1;
         UNIT_ASSERT_VALUES_EQUAL('b', NLastGetopt::getopt(argc, argv, "bf:"));
         UNIT_ASSERT_VALUES_EQUAL('f', NLastGetopt::getopt(argc, argv, "bf:"));
-        UNIT_ASSERT_VALUES_EQUAL(NLastGetopt::optarg, TString("1")); 
+        UNIT_ASSERT_VALUES_EQUAL(NLastGetopt::optarg, TString("1"));
         UNIT_ASSERT_VALUES_EQUAL('f', NLastGetopt::getopt(argc, argv, "bf:"));
-        UNIT_ASSERT_VALUES_EQUAL(NLastGetopt::optarg, TString("2")); 
+        UNIT_ASSERT_VALUES_EQUAL(NLastGetopt::optarg, TString("2"));
         UNIT_ASSERT_VALUES_EQUAL(-1, NLastGetopt::getopt(argc, argv, "bf:"));
 
         UNIT_ASSERT_VALUES_EQUAL(5, NLastGetopt::optind);
diff --git a/library/cpp/getopt/ut/ygetopt_ut.cpp b/library/cpp/getopt/ut/ygetopt_ut.cpp
index 29cfb0e8e3..a76f117216 100644
--- a/library/cpp/getopt/ut/ygetopt_ut.cpp
+++ b/library/cpp/getopt/ut/ygetopt_ut.cpp
@@ -29,8 +29,8 @@ void TGetOptTest::TestGetOpt() {
         "-q",
         nullptr};
 
-    TString res; 
-    const TString format = "qzp:f"; 
+    TString res;
+    const TString format = "qzp:f";
     TGetOpt opt(sizeof(argv) / sizeof(*argv) - 1, argv, format);
 
     for (TGetOpt::TIterator it = opt.Begin(); it != opt.End(); ++it) {
diff --git a/library/cpp/grpc/server/grpc_server.h b/library/cpp/grpc/server/grpc_server.h
index e78eefee5e..d6814a90a0 100644
--- a/library/cpp/grpc/server/grpc_server.h
+++ b/library/cpp/grpc/server/grpc_server.h
@@ -347,9 +347,9 @@ private:
     const TServerOptions Options_;
     std::unique_ptr<grpc::Server> Server_;
     std::vector<std::unique_ptr<grpc::ServerCompletionQueue>> CQS_;
-    TVector<IThreadRef> Ts; 
+    TVector<IThreadRef> Ts;
 
-    TVector<IGRpcServicePtr> Services_; 
+    TVector<IGRpcServicePtr> Services_;
     TGlobalLimiter Limiter_;
 };
 
diff --git a/library/cpp/histogram/adaptive/adaptive_histogram.cpp b/library/cpp/histogram/adaptive/adaptive_histogram.cpp
index 57dec4d608..cbfc494021 100644
--- a/library/cpp/histogram/adaptive/adaptive_histogram.cpp
+++ b/library/cpp/histogram/adaptive/adaptive_histogram.cpp
@@ -113,15 +113,15 @@ namespace NKiwiAggr {
         }
     }
 
-    void TAdaptiveHistogram::Merge(const TVector<THistogram>& histogramsToMerge) { 
+    void TAdaptiveHistogram::Merge(const TVector<THistogram>& histogramsToMerge) {
         for (size_t i = 0; i < histogramsToMerge.size(); ++i) {
             Merge(histogramsToMerge[i], 1.0);
         }
     }
 
-    void TAdaptiveHistogram::Merge(TVector<IHistogramPtr> histogramsToMerge) { 
-        TVector<IHistogramPtr> histogramsToMergeRepacked(0); 
-        TVector<TAdaptiveHistogram*> histograms(0); 
+    void TAdaptiveHistogram::Merge(TVector<IHistogramPtr> histogramsToMerge) {
+        TVector<IHistogramPtr> histogramsToMergeRepacked(0);
+        TVector<TAdaptiveHistogram*> histograms(0);
         for (size_t i = 0; i < histogramsToMerge.size(); ++i) {
             if (!histogramsToMerge[i] || histogramsToMerge[i]->Empty()) {
                 continue;
diff --git a/library/cpp/histogram/adaptive/adaptive_histogram.h b/library/cpp/histogram/adaptive/adaptive_histogram.h
index 3bb921e780..fa8f48433f 100644
--- a/library/cpp/histogram/adaptive/adaptive_histogram.h
+++ b/library/cpp/histogram/adaptive/adaptive_histogram.h
@@ -15,7 +15,7 @@ namespace NKiwiAggr {
         static const size_t DEFAULT_INTERVALS = 100;
 
     private:
-        using TPairSet = TSet<TWeightedValue>; 
+        using TPairSet = TSet<TWeightedValue>;
 
         struct TFastBin {
             // these names are for compatibility with TWeightedValue
@@ -47,7 +47,7 @@ namespace NKiwiAggr {
         TPairSet BinsByQuality;
         TQualityFunction CalcQuality;
 
-        TVector<TFastBin> PrecomputedBins; 
+        TVector<TFastBin> PrecomputedBins;
 
     public:
         TAdaptiveHistogram(size_t intervals, ui64 id = 0, TQualityFunction qualityFunc = CalcWeightQuality);
diff --git a/library/cpp/histogram/adaptive/auto_histogram.h b/library/cpp/histogram/adaptive/auto_histogram.h
index 21efc5cd3a..9fdf0b9abe 100644
--- a/library/cpp/histogram/adaptive/auto_histogram.h
+++ b/library/cpp/histogram/adaptive/auto_histogram.h
@@ -58,11 +58,11 @@ namespace NKiwiAggr {
             HistogramImpl->Merge(histo, multiplier);
         }
 
-        virtual void Merge(const TVector<THistogram>& histogramsToMerge) { 
+        virtual void Merge(const TVector<THistogram>& histogramsToMerge) {
             HistogramImpl->Merge(histogramsToMerge);
         }
 
-        virtual void Merge(TVector<IHistogramPtr> histogramsToMerge) { 
+        virtual void Merge(TVector<IHistogramPtr> histogramsToMerge) {
             HistogramImpl->Merge(histogramsToMerge);
         }
 
diff --git a/library/cpp/histogram/adaptive/block_histogram.cpp b/library/cpp/histogram/adaptive/block_histogram.cpp
index 51e418405b..6586d13ff6 100644
--- a/library/cpp/histogram/adaptive/block_histogram.cpp
+++ b/library/cpp/histogram/adaptive/block_histogram.cpp
@@ -16,12 +16,12 @@ namespace {
 
     class TSmartHeap {
     private:
-        TVector<ui32> A; 
-        TVector<ui32> Pos; 
-        const TVector<double>& Weights; 
+        TVector<ui32> A;
+        TVector<ui32> Pos;
+        const TVector<double>& Weights;
 
     public:
-        TSmartHeap(const TVector<double>& weights) 
+        TSmartHeap(const TVector<double>& weights)
             : A(weights.size())
             , Pos(weights.size())
             , Weights(weights)
@@ -182,7 +182,7 @@ namespace NKiwiAggr {
         }
     }
 
-    void TBlockHistogram::Merge(const TVector<THistogram>& histogramsToMerge) { 
+    void TBlockHistogram::Merge(const TVector<THistogram>& histogramsToMerge) {
         for (size_t i = 0; i < histogramsToMerge.size(); ++i) {
             Merge(histogramsToMerge[i], 1.0);
         }
@@ -190,7 +190,7 @@ namespace NKiwiAggr {
 
     void TBlockHistogram::Merge(TVector<IHistogramPtr> histogramsToMerge) {
         Y_UNUSED(histogramsToMerge);
-        ythrow yexception() << "IHistogram::Merge(TVector<IHistogramPtr>) is not defined for TBlockHistogram"; 
+        ythrow yexception() << "IHistogram::Merge(TVector<IHistogramPtr>) is not defined for TBlockHistogram";
     }
 
     void TBlockHistogram::Multiply(double factor) {
@@ -198,7 +198,7 @@ namespace NKiwiAggr {
             ythrow yexception() << "Not valid factor in IHistogram::Multiply(): " << factor;
         }
         Sum *= factor;
-        for (TVector<TWeightedValue>::iterator it = Bins.begin(); it != Bins.end(); ++it) { 
+        for (TVector<TWeightedValue>::iterator it = Bins.begin(); it != Bins.end(); ++it) {
             it->second *= factor;
         }
     }
@@ -255,7 +255,7 @@ namespace NKiwiAggr {
         SortAndShrink(Intervals, true);
         histo.SetMinValue(MinValue);
         histo.SetMaxValue(MaxValue);
-        for (TVector<TWeightedValue>::const_iterator it = Bins.begin(); it != Bins.end(); ++it) { 
+        for (TVector<TWeightedValue>::const_iterator it = Bins.begin(); it != Bins.end(); ++it) {
             histo.AddFreq(it->second);
             histo.AddPosition(it->first);
         }
@@ -311,7 +311,7 @@ namespace NKiwiAggr {
     void TBlockHistogram::SortBins() {
         Sort(Bins.begin() + PrevSize, Bins.end());
         if (PrevSize != 0) {
-            TVector<TWeightedValue> temp(Bins.begin(), Bins.begin() + PrevSize); 
+            TVector<TWeightedValue> temp(Bins.begin(), Bins.begin() + PrevSize);
             std::merge(temp.begin(), temp.end(), Bins.begin() + PrevSize, Bins.end(), Bins.begin());
         }
     }
@@ -367,7 +367,7 @@ namespace NKiwiAggr {
             bins[i].LinkAfter(&bins[i - 1]);
         }
 
-        TVector<double> pairWeights(n); 
+        TVector<double> pairWeights(n);
 
         for (ui32 i = 0; i < n; ++i) {
             pairWeights[i] = CalcQuality(Bins[i], Bins[i + 1]).first;
@@ -548,12 +548,12 @@ namespace NKiwiAggr {
             cumulatives.push_back(cumulative);
         }
 
-        TVector<TCumulatives::const_iterator> splits; 
+        TVector<TCumulatives::const_iterator> splits;
         splits.reserve(intervals + 1);
         splits.push_back(cumulatives.begin());
         splits.push_back(cumulatives.end() - 1);
 
-        TPriorityQueue<TSplitInfo> candidates; 
+        TPriorityQueue<TSplitInfo> candidates;
 
         // explicitly add first split
         TSplitInfo newSplitInfo;
diff --git a/library/cpp/histogram/adaptive/block_histogram.h b/library/cpp/histogram/adaptive/block_histogram.h
index ba1d26f274..266bb2f2b2 100644
--- a/library/cpp/histogram/adaptive/block_histogram.h
+++ b/library/cpp/histogram/adaptive/block_histogram.h
@@ -45,7 +45,7 @@ namespace NKiwiAggr {
         double MinValue;
         double MaxValue;
 
-        TVector<TWeightedValue> Bins; 
+        TVector<TWeightedValue> Bins;
 
     public:
         TBlockHistogram(EHistogramType type, TQualityFunction calcQuality,
@@ -60,7 +60,7 @@ namespace NKiwiAggr {
         virtual void Add(const THistoRec& histoRec);
 
         virtual void Merge(const THistogram& histo, double multiplier);
-        virtual void Merge(const TVector<THistogram>& histogramsToMerge); 
+        virtual void Merge(const TVector<THistogram>& histogramsToMerge);
         virtual void Merge(TVector<IHistogramPtr> histogramsToMerge); // not implemented
 
         virtual void Multiply(double factor);
@@ -123,7 +123,7 @@ namespace NKiwiAggr {
 
     private:
         using TCumulative = std::pair<double, double>; // cumulative sum of (weights, weighted centers)
-        using TCumulatives = TVector<TCumulative>; 
+        using TCumulatives = TVector<TCumulative>;
 
         struct TSplitInfo {
             double profit;
diff --git a/library/cpp/histogram/adaptive/fixed_bin_histogram.cpp b/library/cpp/histogram/adaptive/fixed_bin_histogram.cpp
index 903b076a30..558aba9e2d 100644
--- a/library/cpp/histogram/adaptive/fixed_bin_histogram.cpp
+++ b/library/cpp/histogram/adaptive/fixed_bin_histogram.cpp
@@ -102,7 +102,7 @@ namespace NKiwiAggr {
 
         if (!IsInitialized) {
             if (!TrainingSet) {
-                TrainingSet.Reset(new TVector<TWeightedValue>(0)); 
+                TrainingSet.Reset(new TVector<TWeightedValue>(0));
             }
             TrainingSet->push_back(TWeightedValue(value, weight));
             if (TrainingSet->size() >= TrainingSetSize) {
@@ -128,17 +128,17 @@ namespace NKiwiAggr {
         ythrow yexception() << "Method is not implemented for TFixedBinHistogram";
     }
 
-    void TFixedBinHistogram::Merge(const TVector<THistogram>& histogramsToMerge) { 
-        TVector<IHistogramPtr> parsedHistogramsToMerge; 
+    void TFixedBinHistogram::Merge(const TVector<THistogram>& histogramsToMerge) {
+        TVector<IHistogramPtr> parsedHistogramsToMerge;
         for (size_t i = 0; i < histogramsToMerge.size(); ++i) {
             parsedHistogramsToMerge.push_back(IHistogramPtr(new TAutoHistogram(histogramsToMerge[i], Intervals, Id)));
         }
         Merge(parsedHistogramsToMerge);
     }
 
-    void TFixedBinHistogram::Merge(TVector<IHistogramPtr> histogramsToMerge) { 
-        TVector<IHistogramPtr> histogramsToMergeRepacked(0); 
-        TVector<TFixedBinHistogram*> histograms(0); 
+    void TFixedBinHistogram::Merge(TVector<IHistogramPtr> histogramsToMerge) {
+        TVector<IHistogramPtr> histogramsToMergeRepacked(0);
+        TVector<TFixedBinHistogram*> histograms(0);
 
         // put current histogram to the vector of histograms to merge and clear self
         if (!Empty()) {
@@ -485,7 +485,7 @@ namespace NKiwiAggr {
         }
         SetFrame(MinElement(TrainingSet->begin(), TrainingSet->end(), CompareWeightedValue)->first,
                  MaxElement(TrainingSet->begin(), TrainingSet->end(), CompareWeightedValue)->first, true);
-        for (TVector<TWeightedValue>::const_iterator it = TrainingSet->begin(); it != TrainingSet->end(); ++it) { 
+        for (TVector<TWeightedValue>::const_iterator it = TrainingSet->begin(); it != TrainingSet->end(); ++it) {
             Freqs[CalcBin(it->first)] += it->second;
         }
         TrainingSet.Destroy();
diff --git a/library/cpp/histogram/adaptive/fixed_bin_histogram.h b/library/cpp/histogram/adaptive/fixed_bin_histogram.h
index 05ae0db428..bd380bd94a 100644
--- a/library/cpp/histogram/adaptive/fixed_bin_histogram.h
+++ b/library/cpp/histogram/adaptive/fixed_bin_histogram.h
@@ -26,8 +26,8 @@ namespace NKiwiAggr {
         double MaxValue;
         double Sum;
 
-        TVector<double> Freqs; 
-        TVector<double> ReserveFreqs; 
+        TVector<double> Freqs;
+        TVector<double> ReserveFreqs;
         double ReferencePoint;
         double BinRange;
         size_t Intervals;
@@ -49,8 +49,8 @@ namespace NKiwiAggr {
         virtual void Add(const THistoRec& histoRec);
 
         virtual void Merge(const THistogram& histo, double multiplier);
-        virtual void Merge(const TVector<THistogram>& histogramsToMerge); 
-        virtual void Merge(TVector<IHistogramPtr> histogramsToMerge); 
+        virtual void Merge(const TVector<THistogram>& histogramsToMerge);
+        virtual void Merge(TVector<IHistogramPtr> histogramsToMerge);
 
         virtual void Multiply(double factor);
 
diff --git a/library/cpp/histogram/adaptive/histogram.h b/library/cpp/histogram/adaptive/histogram.h
index e6b11870e1..360fd9a693 100644
--- a/library/cpp/histogram/adaptive/histogram.h
+++ b/library/cpp/histogram/adaptive/histogram.h
@@ -29,8 +29,8 @@ namespace NKiwiAggr {
 
         // Merge some other histos into current
         virtual void Merge(const THistogram& histo, double multiplier) = 0;
-        virtual void Merge(const TVector<THistogram>& histogramsToMerge) = 0; 
-        virtual void Merge(TVector<IHistogramPtr> histogramsToMerge) = 0; 
+        virtual void Merge(const TVector<THistogram>& histogramsToMerge) = 0;
+        virtual void Merge(TVector<IHistogramPtr> histogramsToMerge) = 0;
 
         // factor should be greater then zero
         virtual void Multiply(double factor) = 0;
diff --git a/library/cpp/histogram/adaptive/multi_histogram.h b/library/cpp/histogram/adaptive/multi_histogram.h
index 5a18999edc..41caac5ba6 100644
--- a/library/cpp/histogram/adaptive/multi_histogram.h
+++ b/library/cpp/histogram/adaptive/multi_histogram.h
@@ -15,7 +15,7 @@ namespace NKiwiAggr {
     private:
         static const size_t DEFAULT_INTERVALS = 100;
 
-        typedef THashMap<ui64, IHistogramPtr> THistogramsMap; 
+        typedef THashMap<ui64, IHistogramPtr> THistogramsMap;
         THistogramsMap Histograms;
         size_t Intervals;
 
@@ -62,8 +62,8 @@ namespace NKiwiAggr {
             }
         }
 
-        TVector<ui64> GetIds() const { 
-            TVector<ui64> result(0); 
+        TVector<ui64> GetIds() const {
+            TVector<ui64> result(0);
             for (THistogramsMap::const_iterator it = Histograms.begin(); it != Histograms.end(); ++it) {
                 result.push_back(it->first);
             }
diff --git a/library/cpp/html/escape/escape.h b/library/cpp/html/escape/escape.h
index 6fc9fb4f1b..1c45fc5193 100644
--- a/library/cpp/html/escape/escape.h
+++ b/library/cpp/html/escape/escape.h
@@ -1,6 +1,6 @@
 #pragma once
 
-#include <util/generic/string.h> 
+#include <util/generic/string.h>
 
 namespace NHtml {
     TString EscapeAttributeValue(const TString& value);
diff --git a/library/cpp/html/pcdata/pcdata.cpp b/library/cpp/html/pcdata/pcdata.cpp
index 70fe073bb9..740c240fd2 100644
--- a/library/cpp/html/pcdata/pcdata.cpp
+++ b/library/cpp/html/pcdata/pcdata.cpp
@@ -1,10 +1,10 @@
 #include "pcdata.h"
 
-#include <util/string/strspn.h> 
- 
+#include <util/string/strspn.h>
+
 static TCompactStrSpn sspn("\"<>&'");
 
-static void EncodeHtmlPcdataAppendInternal(const TStringBuf str, TString& strout, bool qAmp) { 
+static void EncodeHtmlPcdataAppendInternal(const TStringBuf str, TString& strout, bool qAmp) {
     const char* s = str.data();
     const char* e = s + str.length();
 
@@ -49,18 +49,18 @@ static void EncodeHtmlPcdataAppendInternal(const TStringBuf str, TString& strout
     }
 }
 
-void EncodeHtmlPcdataAppend(const TStringBuf str, TString& strout) { 
+void EncodeHtmlPcdataAppend(const TStringBuf str, TString& strout) {
     EncodeHtmlPcdataAppendInternal(str, strout, true);
 }
 
-TString EncodeHtmlPcdata(const TStringBuf str, bool qAmp) { 
-    TString strout; 
+TString EncodeHtmlPcdata(const TStringBuf str, bool qAmp) {
+    TString strout;
     EncodeHtmlPcdataAppendInternal(str, strout, qAmp);
     return strout;
 }
 
-TString DecodeHtmlPcdata(const TString& sz) { 
-    TString res; 
+TString DecodeHtmlPcdata(const TString& sz) {
+    TString res;
     const char* codes[] = {"&quot;", "&lt;", "&gt;", "&#39;", "&#039;", "&amp;", "&apos;", nullptr};
     const char chars[] = {'\"', '<', '>', '\'', '\'', '&', '\''};
     for (size_t i = 0; i < sz.length(); ++i) {
diff --git a/library/cpp/html/pcdata/pcdata.h b/library/cpp/html/pcdata/pcdata.h
index c1de2d0a31..7dd741f53d 100644
--- a/library/cpp/html/pcdata/pcdata.h
+++ b/library/cpp/html/pcdata/pcdata.h
@@ -3,8 +3,8 @@
 #include <util/generic/fwd.h>
 
 /// Converts a text into HTML-code. Special characters of HTML («<», «>», ...) replaced with entities.
-TString EncodeHtmlPcdata(const TStringBuf str, bool qAmp = true); 
-void EncodeHtmlPcdataAppend(const TStringBuf str, TString& strout); 
+TString EncodeHtmlPcdata(const TStringBuf str, bool qAmp = true);
+void EncodeHtmlPcdataAppend(const TStringBuf str, TString& strout);
 
 /// Reverse of EncodeHtmlPcdata()
-TString DecodeHtmlPcdata(const TString& sz); 
+TString DecodeHtmlPcdata(const TString& sz);
diff --git a/library/cpp/html/pcdata/pcdata_ut.cpp b/library/cpp/html/pcdata/pcdata_ut.cpp
index 6710d9dfce..5833f8bc59 100644
--- a/library/cpp/html/pcdata/pcdata_ut.cpp
+++ b/library/cpp/html/pcdata/pcdata_ut.cpp
@@ -6,18 +6,18 @@ Y_UNIT_TEST_SUITE(TPcdata) {
     Y_UNIT_TEST(TestStress) {
         {
             ui64 key = 0x000017C0B76C4E87ull;
-            TString res = EncodeHtmlPcdata(TStringBuf((const char*)&key, sizeof(key))); 
+            TString res = EncodeHtmlPcdata(TStringBuf((const char*)&key, sizeof(key)));
         }
 
         for (size_t i = 0; i < 1000; ++i) {
-            const TString s = NUnitTest::RandomString(i, i); 
+            const TString s = NUnitTest::RandomString(i, i);
 
             UNIT_ASSERT_VALUES_EQUAL(DecodeHtmlPcdata(EncodeHtmlPcdata(s)), s);
         }
     }
 
     Y_UNIT_TEST(Test1) {
-        const TString tests[] = { 
+        const TString tests[] = {
             "qw&qw",
             "&<",
             ">&qw",
@@ -33,7 +33,7 @@ Y_UNIT_TEST_SUITE(TPcdata) {
     }
 
     Y_UNIT_TEST(TestEncodeHtmlPcdataAppend) {
-        TString s; 
+        TString s;
         EncodeHtmlPcdataAppend("m&m", s);
         EncodeHtmlPcdataAppend("'s", s);
         UNIT_ASSERT_VALUES_EQUAL(EncodeHtmlPcdata("m&m's"), s);
diff --git a/library/cpp/html/pcdata/ut/ya.make b/library/cpp/html/pcdata/ut/ya.make
index ad9f9abe47..bc947baa89 100644
--- a/library/cpp/html/pcdata/ut/ya.make
+++ b/library/cpp/html/pcdata/ut/ya.make
@@ -1,9 +1,9 @@
 UNITTEST_FOR(library/cpp/html/pcdata)
- 
-OWNER(vladon) 
- 
-SRCS( 
-    pcdata_ut.cpp 
-) 
- 
-END() 
+
+OWNER(vladon)
+
+SRCS(
+    pcdata_ut.cpp
+)
+
+END()
diff --git a/library/cpp/html/pcdata/ya.make b/library/cpp/html/pcdata/ya.make
index 957fd964c2..637220e706 100644
--- a/library/cpp/html/pcdata/ya.make
+++ b/library/cpp/html/pcdata/ya.make
@@ -1,10 +1,10 @@
-LIBRARY() 
- 
-OWNER(vladon) 
- 
-SRCS( 
-    pcdata.cpp 
-    pcdata.h 
-) 
- 
-END() 
+LIBRARY()
+
+OWNER(vladon)
+
+SRCS(
+    pcdata.cpp
+    pcdata.h
+)
+
+END()
diff --git a/library/cpp/http/fetch/exthttpcodes.cpp b/library/cpp/http/fetch/exthttpcodes.cpp
index 9c9fbc86b9..acc05650c8 100644
--- a/library/cpp/http/fetch/exthttpcodes.cpp
+++ b/library/cpp/http/fetch/exthttpcodes.cpp
@@ -172,7 +172,7 @@ static ui16* prepare_flags(http_flag* arg) {
 
 ui16* http2status = prepare_flags(HTTP_FLAG);
 
-TStringBuf ExtHttpCodeStr(int code) noexcept { 
+TStringBuf ExtHttpCodeStr(int code) noexcept {
     if (code < HTTP_CODE_MAX) {
         return HttpCodeStr(code);
     }
diff --git a/library/cpp/http/fetch/exthttpcodes.h b/library/cpp/http/fetch/exthttpcodes.h
index e5f8c42295..6b525052cd 100644
--- a/library/cpp/http/fetch/exthttpcodes.h
+++ b/library/cpp/http/fetch/exthttpcodes.h
@@ -138,4 +138,4 @@ static inline int Http2Status(int code) {
     return http2status[code & (EXT_HTTP_CODE_MAX - 1)];
 }
 
-TStringBuf ExtHttpCodeStr(int code) noexcept; 
+TStringBuf ExtHttpCodeStr(int code) noexcept;
diff --git a/library/cpp/http/fetch/http_digest.cpp b/library/cpp/http/fetch/http_digest.cpp
index 4955ada67c..1eaa02b7f2 100644
--- a/library/cpp/http/fetch/http_digest.cpp
+++ b/library/cpp/http/fetch/http_digest.cpp
@@ -196,7 +196,7 @@ bool httpDigestHandler::processHeader(const THttpAuthHeader* header,
         out << ", opaque=\"" << header->opaque << "\"";
     out << "\r\n";
 
-    TString s_out = out.Str(); 
+    TString s_out = out.Str();
     HeaderInstruction_ = strdup(s_out.c_str());
 
     return true;
diff --git a/library/cpp/http/fetch/httpfsm.rl6 b/library/cpp/http/fetch/httpfsm.rl6
index d0e8aab8fe..eab0328b18 100644
--- a/library/cpp/http/fetch/httpfsm.rl6
+++ b/library/cpp/http/fetch/httpfsm.rl6
@@ -312,8 +312,8 @@ rel_canonical = "link"i def '<' url ">;"i lws "rel"i lws '=' lws "\"canonical\""
 ################# hreflang ###############
 action set_hreflang {
     bool first = (hreflangpos == hd->hreflangs);
-    size_t len2 = (first ? 0 : 1) + langlen + 1 + buflen; 
-    if (langlen && len2 < hreflangspace) { 
+    size_t len2 = (first ? 0 : 1) + langlen + 1 + buflen;
+    if (langlen && len2 < hreflangspace) {
         if (!first) {
             *(hreflangpos++) = '\t';
         }
@@ -323,7 +323,7 @@ action set_hreflang {
         memcpy(hreflangpos, buf, buflen);
         hreflangpos += buflen;
         *(hreflangpos) = 0;
-        hreflangspace -= len2; 
+        hreflangspace -= len2;
     }
 }
 
diff --git a/library/cpp/http/fetch/httpfsm_ut.cpp b/library/cpp/http/fetch/httpfsm_ut.cpp
index 3545b25cb6..b018e80101 100644
--- a/library/cpp/http/fetch/httpfsm_ut.cpp
+++ b/library/cpp/http/fetch/httpfsm_ut.cpp
@@ -107,7 +107,7 @@ void THttpHeaderParserTestSuite::TestSplitRequestHeader() {
 
     for (size_t n1 = 0; n1 < rlen; n1++) {
         for (size_t n2 = n1; n2 < rlen; n2++) {
-            TString s1{request, 0, n1}; 
+            TString s1{request, 0, n1};
             TString s2{request, n1, n2 - n1};
             TString s3{request, n2, rlen - n2};
             UNIT_ASSERT_EQUAL(s1 + s2 + s3, request);
@@ -144,7 +144,7 @@ void THttpHeaderParserTestSuite::TestTrailingData() {
     UNIT_ASSERT_EQUAL(httpRequestHeader.http_method, HTTP_METHOD_GET);
     UNIT_ASSERT_EQUAL(strcmp(httpRequestHeader.host, "www.google.ru:8080"), 0);
     UNIT_ASSERT_EQUAL(httpRequestHeader.request_uri, "/search?q=hi");
-    UNIT_ASSERT_EQUAL(TString(httpHeaderParser->lastchar + 1), "high.ru"); 
+    UNIT_ASSERT_EQUAL(TString(httpHeaderParser->lastchar + 1), "high.ru");
     UNIT_ASSERT_EQUAL(httpRequestHeader.http_minor, 1);
     UNIT_ASSERT_EQUAL(httpRequestHeader.transfer_chunked, -1);
     UNIT_ASSERT_EQUAL(httpRequestHeader.content_length, -1);
@@ -495,20 +495,20 @@ Y_UNIT_TEST_SUITE(TestHttpChunkParser) {
         return parser;
     }
 
-    static THttpChunkParser parseByteByByte(const TStringBuf& blob, const TVector<int>& states) { 
+    static THttpChunkParser parseByteByByte(const TStringBuf& blob, const TVector<int>& states) {
         UNIT_ASSERT(states.size() <= blob.size());
         THttpChunkParser parser{initParser()};
         for (size_t n = 0; n < states.size(); n++) {
             const TStringBuf d{blob, n, 1};
             int code = parser.Execute(d.data(), d.size());
-            Cout << TString(d).Quote() << " " << code << Endl; 
+            Cout << TString(d).Quote() << " " << code << Endl;
             UNIT_ASSERT_EQUAL(code, states[n]);
         }
         return parser;
     }
 
     static THttpChunkParser parseBytesWithLastState(const TStringBuf& blob, const int last_state) {
-        TVector<int> states(blob.size() - 1, 1); 
+        TVector<int> states(blob.size() - 1, 1);
         states.push_back(last_state);
         return parseByteByByte(blob, states);
     }
@@ -517,7 +517,7 @@ Y_UNIT_TEST_SUITE(TestHttpChunkParser) {
         const TStringBuf blob{
             "4\r\n"
             "____\r\n"};
-        TVector<int> states{ 
+        TVector<int> states{
             -1, /* 1, -1,
             1, -1,  1, -1, 1, -1 */};
         // as soon as error happens parser state should be considered
@@ -540,7 +540,7 @@ Y_UNIT_TEST_SUITE(TestHttpChunkParser) {
         const TStringBuf blob{
             "\r\n"
             "-1"};
-        TVector<int> states{ 
+        TVector<int> states{
             1, 1,
             -1,
             /* 1 */};
@@ -570,7 +570,7 @@ Y_UNIT_TEST_SUITE(TestHttpChunkParser) {
             "4\r\n"
             "_" // first byte of the chunk
         };
-        TVector<int> states{ 
+        TVector<int> states{
             1, 1,
             1, 1, 2,
             -1};
diff --git a/library/cpp/http/fetch/httpheader.h b/library/cpp/http/fetch/httpheader.h
index 071ce6fe8d..b2810bbd41 100644
--- a/library/cpp/http/fetch/httpheader.h
+++ b/library/cpp/http/fetch/httpheader.h
@@ -6,7 +6,7 @@
 
 #include <util/system/defaults.h>
 #include <util/system/compat.h>
-#include <util/generic/string.h> 
+#include <util/generic/string.h>
 #include <util/generic/ylimits.h>
 #include <util/system/maxlen.h>
 
@@ -217,8 +217,8 @@ public:
     /// It doesn't care about errors in request or headers, where
     /// request_uri equals to '*'.
     /// This returns copy of the string, which you have to delete.
-    TString GetUrl() { 
-        TString url; 
+    TString GetUrl() {
+        TString url;
         if (host[0] == 0 || !strcmp(host, "")) {
             url = request_uri;
         } else {
diff --git a/library/cpp/http/fetch/httpload.cpp b/library/cpp/http/fetch/httpload.cpp
index e96ec13a80..82ea8900b5 100644
--- a/library/cpp/http/fetch/httpload.cpp
+++ b/library/cpp/http/fetch/httpload.cpp
@@ -336,7 +336,7 @@ bool httpLoadAgent::doStartRequest() {
             return false;
         }
 
-        TString urlBaseStr = URL_.PrintS(THttpURL::FlagNoFrag); 
+        TString urlBaseStr = URL_.PrintS(THttpURL::FlagNoFrag);
 
         clearReader();
         Reader_ = new httpAgentReader(*this, urlBaseStr.c_str(),
diff --git a/library/cpp/http/fetch/httpparser_ut.cpp b/library/cpp/http/fetch/httpparser_ut.cpp
index 1ccc667bb4..3b3b938e7a 100644
--- a/library/cpp/http/fetch/httpparser_ut.cpp
+++ b/library/cpp/http/fetch/httpparser_ut.cpp
@@ -48,7 +48,7 @@ namespace {
 
 Y_UNIT_TEST_SUITE(TestHttpParser) {
     Y_UNIT_TEST(TestTrivialRequest) {
-        const TString blob{ 
+        const TString blob{
             "GET /search?q=hi HTTP/1.1\r\n"
             "Host:  www.google.ru:8080 \r\n"
             "\r\n"};
@@ -61,7 +61,7 @@ Y_UNIT_TEST_SUITE(TestHttpParser) {
 
     // XXX: `entity_size` is i32 and `content_length` is i64!
     Y_UNIT_TEST(TestTrivialResponse) {
-        const TString blob{ 
+        const TString blob{
             "HTTP/1.1 200 Ok\r\n"
             "Content-Length: 2\r\n"
             "\r\n"
@@ -81,7 +81,7 @@ Y_UNIT_TEST_SUITE(TestHttpParser) {
 
     // XXX: `entity_size` is off by one in TE:chunked case.
     Y_UNIT_TEST(TestChunkedResponse) {
-        const TString blob{ 
+        const TString blob{
             "HTTP/1.1 200 OK\r\n"
             "Transfer-Encoding: chunked\r\n"
             "\r\n"
@@ -111,7 +111,7 @@ Y_UNIT_TEST_SUITE(TestHttpParser) {
                                                                 "\r\n"));
     }
 
-    static const TString PipelineClenBlob_{ 
+    static const TString PipelineClenBlob_{
         "HTTP/1.1 200 Ok\r\n"
         "Content-Length: 4\r\n"
         "\r\n"
@@ -131,14 +131,14 @@ Y_UNIT_TEST_SUITE(TestHttpParser) {
     }
 
     Y_UNIT_TEST(TestPipelineClenByteByByte) {
-        const TString& blob = PipelineClenBlob_; 
+        const TString& blob = PipelineClenBlob_;
         THttpHeader hdr;
         TTestHttpParser parser;
         parser.Init(&hdr);
         for (size_t i = 0; i < blob.size(); ++i) {
             const TStringBuf d{blob, i, 1};
             parser.Parse((void*)d.data(), d.size());
-            Cout << TString(d).Quote() << " -> " << parser.GetState() << Endl; 
+            Cout << TString(d).Quote() << " -> " << parser.GetState() << Endl;
         }
         AssertPipelineClen(parser, hdr);
         UNIT_ASSERT_EQUAL(parser.Body(), "OK\r\n");
@@ -147,7 +147,7 @@ Y_UNIT_TEST_SUITE(TestHttpParser) {
 
     // XXX: Content-Length is ignored, Body() looks unexpected!
     Y_UNIT_TEST(TestPipelineClenOneChunk) {
-        const TString& blob = PipelineClenBlob_; 
+        const TString& blob = PipelineClenBlob_;
         THttpHeader hdr;
         TTestHttpParser parser;
         parser.Init(&hdr);
@@ -167,7 +167,7 @@ Y_UNIT_TEST_SUITE(TestHttpParser) {
                                                "ZZ\r\n"));
     }
 
-    static const TString PipelineChunkedBlob_{ 
+    static const TString PipelineChunkedBlob_{
         "HTTP/1.1 200 OK\r\n"
         "Transfer-Encoding: chunked\r\n"
         "\r\n"
@@ -206,14 +206,14 @@ Y_UNIT_TEST_SUITE(TestHttpParser) {
     }
 
     Y_UNIT_TEST(TestPipelineChunkedByteByByte) {
-        const TString& blob = PipelineChunkedBlob_; 
+        const TString& blob = PipelineChunkedBlob_;
         THttpHeader hdr;
         TTestHttpParser parser;
         parser.Init(&hdr);
         for (size_t i = 0; i < blob.size(); ++i) {
             const TStringBuf d{blob, i, 1};
             parser.Parse((void*)d.data(), d.size());
-            Cout << TString(d).Quote() << " -> " << parser.GetState() << Endl; 
+            Cout << TString(d).Quote() << " -> " << parser.GetState() << Endl;
             if (blob.size() / 2 - 1 <= i) // last \n sets EOF
                 UNIT_ASSERT_EQUAL(parser.GetState(), parser.hp_eof);
         }
@@ -221,7 +221,7 @@ Y_UNIT_TEST_SUITE(TestHttpParser) {
     }
 
     Y_UNIT_TEST(TestPipelineChunkedOneChunk) {
-        const TString& blob = PipelineChunkedBlob_; 
+        const TString& blob = PipelineChunkedBlob_;
         THttpHeader hdr;
         TTestHttpParser parser;
         parser.Init(&hdr);
diff --git a/library/cpp/http/io/chunk.cpp b/library/cpp/http/io/chunk.cpp
index 181a6cec11..6975d9eac1 100644
--- a/library/cpp/http/io/chunk.cpp
+++ b/library/cpp/http/io/chunk.cpp
@@ -6,14 +6,14 @@
 #include <util/generic/utility.h>
 #include <util/generic/yexception.h>
 
-static inline size_t ParseHex(const TString& s) { 
+static inline size_t ParseHex(const TString& s) {
     if (s.empty()) {
         ythrow yexception() << "can not parse chunk length(empty string)";
     }
 
     size_t ret = 0;
 
-    for (TString::const_iterator c = s.begin(); c != s.end(); ++c) { 
+    for (TString::const_iterator c = s.begin(); c != s.end(); ++c) {
         const char ch = *c;
 
         if (ch >= '0' && ch <= '9') {
@@ -61,7 +61,7 @@ public:
         }
     }
 
-    inline ~TImpl() { 
+    inline ~TImpl() {
     }
 
     inline size_t Read(void* buf, size_t len) {
@@ -111,7 +111,7 @@ private:
     }
 
     inline bool ProceedToNextChunk() {
-        TString len(Slave_->ReadLine()); 
+        TString len(Slave_->ReadLine());
 
         if (len.empty()) {
             /*
@@ -147,7 +147,7 @@ TChunkedInput::TChunkedInput(IInputStream* slave, TMaybe<THttpHeaders>* trailers
 {
 }
 
-TChunkedInput::~TChunkedInput() { 
+TChunkedInput::~TChunkedInput() {
 }
 
 size_t TChunkedInput::DoRead(void* buf, size_t len) {
@@ -167,7 +167,7 @@ public:
     {
     }
 
-    inline ~TImpl() { 
+    inline ~TImpl() {
     }
 
     inline void Write(const void* buf, size_t len) {
@@ -217,7 +217,7 @@ TChunkedOutput::TChunkedOutput(IOutputStream* slave)
 {
 }
 
-TChunkedOutput::~TChunkedOutput() { 
+TChunkedOutput::~TChunkedOutput() {
     try {
         Finish();
     } catch (...) {
diff --git a/library/cpp/http/io/chunk.h b/library/cpp/http/io/chunk.h
index d73cbf1523..88d89fafda 100644
--- a/library/cpp/http/io/chunk.h
+++ b/library/cpp/http/io/chunk.h
@@ -16,7 +16,7 @@ public:
     /// Если передан указатель на trailers, то туда будут записаны HTTP trailer'ы (возможно пустые),
     /// которые идут после чанков.
     TChunkedInput(IInputStream* slave, TMaybe<THttpHeaders>* trailers = nullptr);
-    ~TChunkedInput() override; 
+    ~TChunkedInput() override;
 
 private:
     size_t DoRead(void* buf, size_t len) override;
@@ -33,7 +33,7 @@ private:
 class TChunkedOutput: public IOutputStream {
 public:
     TChunkedOutput(IOutputStream* slave);
-    ~TChunkedOutput() override; 
+    ~TChunkedOutput() override;
 
 private:
     void DoWrite(const void* buf, size_t len) override;
diff --git a/library/cpp/http/io/chunk_ut.cpp b/library/cpp/http/io/chunk_ut.cpp
index 2fb65a92f5..da283f8568 100644
--- a/library/cpp/http/io/chunk_ut.cpp
+++ b/library/cpp/http/io/chunk_ut.cpp
@@ -11,8 +11,8 @@
 Y_UNIT_TEST_SUITE(TestChunkedIO) {
     static const char test_data[] = "87s6cfbsudg cuisg s igasidftasiy tfrcua6s";
 
-    TString CombString(const TString& s, size_t chunkSize) { 
-        TString result; 
+    TString CombString(const TString& s, size_t chunkSize) {
+        TString result;
         for (size_t pos = 0; pos < s.size(); pos += 2 * chunkSize)
             result += s.substr(pos, chunkSize);
         return result;
@@ -59,18 +59,18 @@ Y_UNIT_TEST_SUITE(TestChunkedIO) {
 
     Y_UNIT_TEST(TestChunkedIo) {
         TTempFile tmpFile(CDATA);
-        TString tmp; 
+        TString tmp;
 
         {
-            TUnbufferedFileOutput fo(CDATA); 
+            TUnbufferedFileOutput fo(CDATA);
             TChunkedOutput co(&fo);
             WriteTestData(&co, &tmp);
         }
 
         {
-            TUnbufferedFileInput fi(CDATA); 
+            TUnbufferedFileInput fi(CDATA);
             TChunkedInput ci(&fi);
-            TString r; 
+            TString r;
 
             ReadInSmallChunks(&ci, &r);
 
@@ -78,9 +78,9 @@ Y_UNIT_TEST_SUITE(TestChunkedIO) {
         }
 
         {
-            TUnbufferedFileInput fi(CDATA); 
+            TUnbufferedFileInput fi(CDATA);
             TChunkedInput ci(&fi);
-            TString r; 
+            TString r;
 
             ReadCombed(&ci, &r, 11);
 
@@ -92,7 +92,7 @@ Y_UNIT_TEST_SUITE(TestChunkedIO) {
         bool hasError = false;
 
         try {
-            TString badChunk = "10\r\nqwerty"; 
+            TString badChunk = "10\r\nqwerty";
             TMemoryInput mi(badChunk.data(), badChunk.size());
             TChunkedInput ci(&mi);
             TransferData(&ci, &Cnull);
diff --git a/library/cpp/http/io/headers.cpp b/library/cpp/http/io/headers.cpp
index 3647828946..4ec27a29e8 100644
--- a/library/cpp/http/io/headers.cpp
+++ b/library/cpp/http/io/headers.cpp
@@ -8,14 +8,14 @@
 #include <util/string/cast.h>
 #include <util/string/strip.h>
 
-static inline TStringBuf Trim(const char* b, const char* e) noexcept { 
+static inline TStringBuf Trim(const char* b, const char* e) noexcept {
     return StripString(TStringBuf(b, e));
 }
 
 THttpInputHeader::THttpInputHeader(const TStringBuf header) {
     size_t pos = header.find(':');
 
-    if (pos == TString::npos) { 
+    if (pos == TString::npos) {
         ythrow THttpParseException() << "can not parse http header(" << TString{header}.Quote() << ")";
     }
 
@@ -43,8 +43,8 @@ void THttpInputHeader::OutTo(IOutputStream* stream) const {
 }
 
 THttpHeaders::THttpHeaders(IInputStream* stream) {
-    TString header; 
-    TString line; 
+    TString header;
+    TString line;
 
     bool rdOk = stream->ReadLine(header);
     while (rdOk && !header.empty()) {
diff --git a/library/cpp/http/io/headers.h b/library/cpp/http/io/headers.h
index 139aab2f81..a71793d1c6 100644
--- a/library/cpp/http/io/headers.h
+++ b/library/cpp/http/io/headers.h
@@ -1,6 +1,6 @@
 #pragma once
 
-#include <util/generic/string.h> 
+#include <util/generic/string.h>
 #include <util/generic/strbuf.h>
 #include <util/generic/deque.h>
 #include <util/generic/vector.h>
@@ -21,12 +21,12 @@ public:
     THttpInputHeader(TString name, TString value);
 
     /// Возвращает имя параметра.
-    inline const TString& Name() const noexcept { 
+    inline const TString& Name() const noexcept {
         return Name_;
     }
 
     /// Возвращает значение параметра.
-    inline const TString& Value() const noexcept { 
+    inline const TString& Value() const noexcept {
         return Value_;
     }
 
@@ -34,13 +34,13 @@ public:
     void OutTo(IOutputStream* stream) const;
 
     /// Возвращает строку "имя параметра: значение".
-    inline TString ToString() const { 
+    inline TString ToString() const {
         return Name_ + TStringBuf(": ") + Value_;
     }
 
 private:
-    TString Name_; 
-    TString Value_; 
+    TString Name_;
+    TString Value_;
 };
 
 /// Контейнер для хранения HTTP-заголовков
@@ -56,7 +56,7 @@ public:
     THttpHeaders(IInputStream* stream);
 
     /// Стандартный итератор.
-    inline TConstIterator Begin() const noexcept { 
+    inline TConstIterator Begin() const noexcept {
         return Headers_.begin();
     }
     inline TConstIterator begin() const noexcept {
@@ -64,7 +64,7 @@ public:
     }
 
     /// Стандартный итератор.
-    inline TConstIterator End() const noexcept { 
+    inline TConstIterator End() const noexcept {
         return Headers_.end();
     }
     inline TConstIterator end() const noexcept {
@@ -72,12 +72,12 @@ public:
     }
 
     /// Возвращает количество заголовков в контейнере.
-    inline size_t Count() const noexcept { 
+    inline size_t Count() const noexcept {
         return Headers_.size();
     }
 
     /// Проверяет, содержит ли контейнер хотя бы один заголовок.
-    inline bool Empty() const noexcept { 
+    inline bool Empty() const noexcept {
         return Headers_.empty();
     }
 
@@ -114,7 +114,7 @@ public:
     void OutTo(IOutputStream* stream) const;
 
     /// Обменивает наборы заголовков двух контейнеров.
-    void Swap(THttpHeaders& headers) noexcept { 
+    void Swap(THttpHeaders& headers) noexcept {
         Headers_.swap(headers.Headers_);
     }
 
diff --git a/library/cpp/http/io/headers_ut.cpp b/library/cpp/http/io/headers_ut.cpp
index 12c45b3b7f..1d23ef8fdc 100644
--- a/library/cpp/http/io/headers_ut.cpp
+++ b/library/cpp/http/io/headers_ut.cpp
@@ -1,5 +1,5 @@
 #include <util/generic/set.h>
-#include <util/generic/string.h> 
+#include <util/generic/string.h>
 #include <util/generic/strbuf.h>
 #include <utility>
 
@@ -21,7 +21,7 @@ namespace {
 
     public:
         void Add(TStringBuf name, TStringBuf value) {
-            Impl.emplace(TString(name), TString(value)); 
+            Impl.emplace(TString(name), TString(value));
         }
 
         bool operator==(const THeadersExistence& rhs) const {
@@ -29,7 +29,7 @@ namespace {
         }
 
     private:
-        typedef TMultiSet<std::pair<TString, TString>> TImpl; 
+        typedef TMultiSet<std::pair<TString, TString>> TImpl;
         TImpl Impl;
     };
 }
@@ -66,11 +66,11 @@ public:
 
 private:
     static void AddHeaderImpl1Arg(THttpHeaders& headers, TStringBuf name, TStringBuf value) {
-        headers.AddHeader(THttpInputHeader(TString(name), TString(value))); 
+        headers.AddHeader(THttpInputHeader(TString(name), TString(value)));
     }
 
     static void AddHeaderImpl2Args(THttpHeaders& headers, TStringBuf name, TStringBuf value) {
-        headers.AddHeader(TString(name), TString(value)); 
+        headers.AddHeader(TString(name), TString(value));
     }
 
     static void AddOrReplaceHeaderImpl1Arg(THttpHeaders& headers, TStringBuf name, TStringBuf value) {
@@ -154,7 +154,7 @@ void THttpHeadersTest::DoTestAddOrReplaceOperation(TAddHeaderFunction addHeader,
 void THttpHeadersTest::TestAddHeaderTemplateness() {
     THttpHeaders h1;
     h1.AddHeader("h1", "v1");
-    h1.AddHeader("h2", TString("v2")); 
+    h1.AddHeader("h2", TString("v2"));
     h1.AddHeader("h3", TStringBuf("v3"));
     h1.AddHeader("h4", TStringBuf("v4"));
 
diff --git a/library/cpp/http/io/stream.cpp b/library/cpp/http/io/stream.cpp
index 25859087c3..6689be684f 100644
--- a/library/cpp/http/io/stream.cpp
+++ b/library/cpp/http/io/stream.cpp
@@ -17,7 +17,7 @@
 #include <util/string/cast.h>
 #include <util/string/strip.h>
 
-#include <util/generic/string.h> 
+#include <util/generic/string.h>
 #include <util/generic/utility.h>
 #include <util/generic/hash_set.h>
 #include <util/generic/yexception.h>
@@ -131,7 +131,7 @@ namespace {
 }
 
 class THttpInput::TImpl {
-    typedef THashSet<TString> TAcceptCodings; 
+    typedef THashSet<TString> TAcceptCodings;
 
 public:
     inline TImpl(IInputStream* slave)
@@ -157,7 +157,7 @@ public:
         return s;
     }
 
-    inline ~TImpl() { 
+    inline ~TImpl() {
     }
 
     inline size_t Read(void* buf, size_t len) {
@@ -168,11 +168,11 @@ public:
         return Perform(len, [this](size_t toSkip) { return Input_->Skip(toSkip); });
     }
 
-    inline const TString& FirstLine() const noexcept { 
+    inline const TString& FirstLine() const noexcept {
         return FirstLine_;
     }
 
-    inline const THttpHeaders& Headers() const noexcept { 
+    inline const THttpHeaders& Headers() const noexcept {
         return Headers_;
     }
 
@@ -180,15 +180,15 @@ public:
         return Trailers_;
     }
 
-    inline bool IsKeepAlive() const noexcept { 
+    inline bool IsKeepAlive() const noexcept {
         return KeepAlive_;
     }
 
-    inline bool AcceptEncoding(const TString& s) const { 
+    inline bool AcceptEncoding(const TString& s) const {
         return Codings_.find(to_lower(s)) != Codings_.end();
     }
 
-    inline bool GetContentLength(ui64& value) const noexcept { 
+    inline bool GetContentLength(ui64& value) const noexcept {
         if (HasContentLength_) {
             value = ContentLength_;
             return true;
@@ -196,7 +196,7 @@ public:
         return false;
     }
 
-    inline bool ContentEncoded() const noexcept { 
+    inline bool ContentEncoded() const noexcept {
         return ContentEncoded_;
     }
 
@@ -252,7 +252,7 @@ private:
     };
 
     template <class Functor>
-    inline void ForEach(TString in, Functor& f) { 
+    inline void ForEach(TString in, Functor& f) {
         in.to_lower();
 
         const char* b = in.begin();
@@ -287,7 +287,7 @@ private:
 
         size_t pos = FirstLine_.rfind(' ');
         // In HTTP/1.1 Keep-Alive is turned on by default
-        if (pos != TString::npos && strcmp(FirstLine_.c_str() + pos + 1, "HTTP/1.1") == 0) { 
+        if (pos != TString::npos && strcmp(FirstLine_.c_str() + pos + 1, "HTTP/1.1") == 0) {
             p.KeepAlive = true; //request
         } else if (strnicmp(FirstLine_.data(), "HTTP/1.1", 8) == 0) {
             p.KeepAlive = true; //reply
@@ -375,7 +375,7 @@ private:
      */
     IInputStream* Input_;
 
-    TString FirstLine_; 
+    TString FirstLine_;
     THttpHeaders Headers_;
     TMaybe<THttpHeaders> Trailers_;
     bool KeepAlive_;
@@ -396,7 +396,7 @@ THttpInput::THttpInput(IInputStream* slave)
 
 THttpInput::THttpInput(THttpInput&& httpInput) = default;
 
-THttpInput::~THttpInput() { 
+THttpInput::~THttpInput() {
 }
 
 size_t THttpInput::DoRead(void* buf, size_t len) {
@@ -407,7 +407,7 @@ size_t THttpInput::DoSkip(size_t len) {
     return Impl_->Skip(len);
 }
 
-const THttpHeaders& THttpInput::Headers() const noexcept { 
+const THttpHeaders& THttpInput::Headers() const noexcept {
     return Impl_->Headers();
 }
 
@@ -415,15 +415,15 @@ const TMaybe<THttpHeaders>& THttpInput::Trailers() const noexcept {
     return Impl_->Trailers();
 }
 
-const TString& THttpInput::FirstLine() const noexcept { 
+const TString& THttpInput::FirstLine() const noexcept {
     return Impl_->FirstLine();
 }
 
-bool THttpInput::IsKeepAlive() const noexcept { 
+bool THttpInput::IsKeepAlive() const noexcept {
     return Impl_->IsKeepAlive();
 }
 
-bool THttpInput::AcceptEncoding(const TString& coding) const { 
+bool THttpInput::AcceptEncoding(const TString& coding) const {
     return Impl_->AcceptEncoding(coding);
 }
 
@@ -440,11 +440,11 @@ TString THttpInput::BestCompressionScheme() const {
     return BestCompressionScheme(TCompressionCodecFactory::Instance().GetBestCodecs());
 }
 
-bool THttpInput::GetContentLength(ui64& value) const noexcept { 
+bool THttpInput::GetContentLength(ui64& value) const noexcept {
     return Impl_->GetContentLength(value);
 }
 
-bool THttpInput::ContentEncoded() const noexcept { 
+bool THttpInput::ContentEncoded() const noexcept {
     return Impl_->ContentEncoded();
 }
 
@@ -459,17 +459,17 @@ bool THttpInput::HasExpect100Continue() const noexcept {
 class THttpOutput::TImpl {
     class TSizeCalculator: public IOutputStream {
     public:
-        inline TSizeCalculator() noexcept { 
+        inline TSizeCalculator() noexcept {
         }
 
-        ~TSizeCalculator() override { 
+        ~TSizeCalculator() override {
         }
 
         void DoWrite(const void* /*buf*/, size_t len) override {
             Length_ += len;
         }
 
-        inline size_t Length() const noexcept { 
+        inline size_t Length() const noexcept {
             return Length_;
         }
 
@@ -509,7 +509,7 @@ public:
     {
     }
 
-    inline ~TImpl() { 
+    inline ~TImpl() {
     }
 
     inline void SendContinue() {
@@ -579,7 +579,7 @@ public:
         Finished_ = true;
     }
 
-    inline const THttpHeaders& SentHeaders() const noexcept { 
+    inline const THttpHeaders& SentHeaders() const noexcept {
         return Headers_;
     }
 
@@ -599,11 +599,11 @@ public:
         CompressionHeaderEnabled_ = enable;
     }
 
-    inline bool IsCompressionEnabled() const noexcept { 
+    inline bool IsCompressionEnabled() const noexcept {
         return !ComprSchemas_.empty();
     }
 
-    inline bool IsKeepAliveEnabled() const noexcept { 
+    inline bool IsKeepAliveEnabled() const noexcept {
         return KeepAliveEnabled_;
     }
 
@@ -615,7 +615,7 @@ public:
         return CompressionHeaderEnabled_;
     }
 
-    inline bool CanBeKeepAlive() const noexcept { 
+    inline bool CanBeKeepAlive() const noexcept {
         return SupportChunkedTransfer() && IsKeepAliveEnabled() && (Request_ ? Request_->IsKeepAlive() : true);
     }
 
@@ -628,15 +628,15 @@ public:
     }
 
 private:
-    static inline bool IsResponse(const TString& s) noexcept { 
+    static inline bool IsResponse(const TString& s) noexcept {
         return strnicmp(s.data(), "HTTP/", 5) == 0;
     }
 
-    static inline bool IsRequest(const TString& s) noexcept { 
+    static inline bool IsRequest(const TString& s) noexcept {
         return !IsResponse(s);
     }
 
-    inline bool IsHttpRequest() const noexcept { 
+    inline bool IsHttpRequest() const noexcept {
         return IsRequest(FirstLine_);
     }
 
@@ -651,16 +651,16 @@ private:
         return false;
     }
 
-    inline bool IsHttpResponse() const noexcept { 
+    inline bool IsHttpResponse() const noexcept {
         return IsResponse(FirstLine_);
     }
 
-    inline bool HasRequestBody() const noexcept { 
+    inline bool HasRequestBody() const noexcept {
         return strnicmp(FirstLine_.data(), "POST", 4) == 0 ||
                strnicmp(FirstLine_.data(), "PATCH", 5) == 0 ||
                strnicmp(FirstLine_.data(), "PUT", 3) == 0;
     }
-    static inline size_t ParseHttpVersion(const TString& s) { 
+    static inline size_t ParseHttpVersion(const TString& s) {
         if (s.empty()) {
             ythrow THttpParseException() << "malformed http stream";
         }
@@ -709,7 +709,7 @@ private:
         Version_ = parsed_version;
     }
 
-    inline void Process(const TString& s) { 
+    inline void Process(const TString& s) {
         Y_ASSERT(State_ != HeadersSent);
 
         if (State_ == Begin) {
@@ -760,7 +760,7 @@ private:
         }
     }
 
-    inline bool SupportChunkedTransfer() const noexcept { 
+    inline bool SupportChunkedTransfer() const noexcept {
         return Version_ >= 1100;
     }
 
@@ -791,8 +791,8 @@ private:
         }
     }
 
-    inline TString BuildAcceptEncoding() const { 
-        TString ret; 
+    inline TString BuildAcceptEncoding() const {
+        TString ret;
 
         for (const auto& coding : ComprSchemas_) {
             if (ret) {
@@ -813,7 +813,7 @@ private:
 
         for (THttpHeaders::TConstIterator h = Headers_.Begin(); h != Headers_.End(); ++h) {
             const THttpInputHeader& header = *h;
-            const TString hl = to_lower(header.Name()); 
+            const TString hl = to_lower(header.Name());
 
             if (hl == TStringBuf("connection")) {
                 keepAlive = to_lower(header.Value()) == TStringBuf("keep-alive");
@@ -850,7 +850,7 @@ private:
         Headers_.AddOrReplaceHeader(hdr);
     }
 
-    inline void RemoveHeader(const TString& hdr) { 
+    inline void RemoveHeader(const TString& hdr) {
         Headers_.RemoveHeader(hdr);
     }
 
@@ -859,8 +859,8 @@ private:
     TState State_;
     IOutputStream* Output_;
     TStreams<IOutputStream, 8> Streams_;
-    TString Line_; 
-    TString FirstLine_; 
+    TString Line_;
+    TString FirstLine_;
     THttpHeaders Headers_;
     THttpInput* Request_;
     size_t Version_;
@@ -886,7 +886,7 @@ THttpOutput::THttpOutput(IOutputStream* slave, THttpInput* request)
 {
 }
 
-THttpOutput::~THttpOutput() { 
+THttpOutput::~THttpOutput() {
     try {
         Finish();
     } catch (...) {
@@ -905,7 +905,7 @@ void THttpOutput::DoFinish() {
     Impl_->Finish();
 }
 
-const THttpHeaders& THttpOutput::SentHeaders() const noexcept { 
+const THttpHeaders& THttpOutput::SentHeaders() const noexcept {
     return Impl_->SentHeaders();
 }
 
@@ -934,7 +934,7 @@ void THttpOutput::EnableCompressionHeader(bool enable) {
     Impl_->EnableCompressionHeader(enable);
 }
 
-bool THttpOutput::IsKeepAliveEnabled() const noexcept { 
+bool THttpOutput::IsKeepAliveEnabled() const noexcept {
     return Impl_->IsKeepAliveEnabled();
 }
 
@@ -942,7 +942,7 @@ bool THttpOutput::IsBodyEncodingEnabled() const noexcept {
     return Impl_->IsBodyEncodingEnabled();
 }
 
-bool THttpOutput::IsCompressionEnabled() const noexcept { 
+bool THttpOutput::IsCompressionEnabled() const noexcept {
     return Impl_->IsCompressionEnabled();
 }
 
@@ -950,7 +950,7 @@ bool THttpOutput::IsCompressionHeaderEnabled() const noexcept {
     return Impl_->IsCompressionHeaderEnabled();
 }
 
-bool THttpOutput::CanBeKeepAlive() const noexcept { 
+bool THttpOutput::CanBeKeepAlive() const noexcept {
     return Impl_->CanBeKeepAlive();
 }
 
diff --git a/library/cpp/http/io/stream.h b/library/cpp/http/io/stream.h
index 1ad69a0329..78ca4fc814 100644
--- a/library/cpp/http/io/stream.h
+++ b/library/cpp/http/io/stream.h
@@ -5,7 +5,7 @@
 #include <util/stream/output.h>
 #include <util/generic/maybe.h>
 #include <util/generic/ptr.h>
-#include <util/generic/string.h> 
+#include <util/generic/string.h>
 #include <util/generic/strbuf.h>
 #include <util/generic/yexception.h>
 #include <util/generic/array_ref.h>
@@ -26,13 +26,13 @@ class THttpInput: public IInputStream {
 public:
     THttpInput(IInputStream* slave);
     THttpInput(THttpInput&& httpInput);
-    ~THttpInput() override; 
+    ~THttpInput() override;
 
     /*
      * parsed http headers
      */
     /// Возвращает контейнер с заголовками ответа HTTP-сервера.
-    const THttpHeaders& Headers() const noexcept; 
+    const THttpHeaders& Headers() const noexcept;
 
     /*
      * parsed http trailers
@@ -49,7 +49,7 @@ public:
     /// Возвращает первую строку ответа HTTP-сервера.
     /// @details Первая строка HTTP-сервера - строка состояния,
     /// содержащая три поля: версию HTTP, код состояния и описание.
-    const TString& FirstLine() const noexcept; 
+    const TString& FirstLine() const noexcept;
 
     /*
      * connection can be keep-alive
@@ -57,29 +57,29 @@ public:
     /// Проверяет, не завершено ли соединение с сервером.
     /// @details Транзакция считается завершенной, если не передан заголовок
     /// "Connection: Keep Alive".
-    bool IsKeepAlive() const noexcept; 
+    bool IsKeepAlive() const noexcept;
 
     /*
      * output data can be encoded
      */
     /// Проверяет, поддерживается ли данный тип кодирования содержимого
     /// ответа HTTP-сервера.
-    bool AcceptEncoding(const TString& coding) const; 
+    bool AcceptEncoding(const TString& coding) const;
 
     /// Пытается определить наилучший тип кодирования ответа HTTP-сервера.
     /// @details Если ответ сервера говорит о том, что поддерживаются
     /// любые типы кодирования, выбирается gzip. В противном случае
     /// из списка типов кодирования выбирается лучший из поддерживаемых сервером.
-    TString BestCompressionScheme() const; 
+    TString BestCompressionScheme() const;
     TString BestCompressionScheme(TArrayRef<const TStringBuf> codings) const;
 
     /// Если заголовки содержат Content-Length, возвращает true и
     /// записывает значение из заголовка в value
-    bool GetContentLength(ui64& value) const noexcept; 
+    bool GetContentLength(ui64& value) const noexcept;
 
     /// Признак запакованности данных, - если выставлен, то Content-Length, при наличии в заголовках,
     /// показывает объём запакованных данных, а из THttpInput мы будем вычитывать уже распакованные.
-    bool ContentEncoded() const noexcept; 
+    bool ContentEncoded() const noexcept;
 
     /// Returns true if Content-Length or Transfer-Encoding header received
     bool HasContent() const noexcept;
@@ -100,13 +100,13 @@ class THttpOutput: public IOutputStream {
 public:
     THttpOutput(IOutputStream* slave);
     THttpOutput(IOutputStream* slave, THttpInput* request);
-    ~THttpOutput() override; 
+    ~THttpOutput() override;
 
     /*
      * sent http headers
      */
     /// Возвращает контейнер с заголовками запроса к HTTP-серверу.
-    const THttpHeaders& SentHeaders() const noexcept; 
+    const THttpHeaders& SentHeaders() const noexcept;
 
     /// Устанавливает режим, при котором сервер выдает ответ в упакованном виде.
     void EnableCompression(bool enable);
@@ -125,10 +125,10 @@ public:
     void EnableCompressionHeader(bool enable);
 
     /// Проверяет, производится ли выдача ответов в упакованном виде.
-    bool IsCompressionEnabled() const noexcept; 
+    bool IsCompressionEnabled() const noexcept;
 
     /// Проверяет, не завершается ли соединение с сервером после окончания транзакции.
-    bool IsKeepAliveEnabled() const noexcept; 
+    bool IsKeepAliveEnabled() const noexcept;
 
     /// Проверяет, преобразуется ли тело HTTP-запроса/ответа в соответствии
     /// с заголовками Content-Encoding и Transfer-Encoding
@@ -143,7 +143,7 @@ public:
      */
     /// Проверяет, можно ли установить режим, при котором соединение с сервером
     /// не завершается после окончания транзакции.
-    bool CanBeKeepAlive() const noexcept; 
+    bool CanBeKeepAlive() const noexcept;
 
     void SendContinue();
 
diff --git a/library/cpp/http/io/stream_ut.cpp b/library/cpp/http/io/stream_ut.cpp
index c67d6ce48c..1ea35df675 100644
--- a/library/cpp/http/io/stream_ut.cpp
+++ b/library/cpp/http/io/stream_ut.cpp
@@ -60,7 +60,7 @@ Y_UNIT_TEST_SUITE(THttpStreamTest) {
         };
 
     public:
-        inline TTestHttpServer(const TString& res) 
+        inline TTestHttpServer(const TString& res)
             : Res_(res)
         {
         }
@@ -74,7 +74,7 @@ Y_UNIT_TEST_SUITE(THttpStreamTest) {
         }
 
     private:
-        TString Res_; 
+        TString Res_;
         size_t LastRequestSentSize_ = 0;
     };
 
@@ -83,7 +83,7 @@ Y_UNIT_TEST_SUITE(THttpStreamTest) {
     }
 
     Y_UNIT_TEST(TestHttpInput) {
-        TString res = "I'm a teapot"; 
+        TString res = "I'm a teapot";
         TPortManager pm;
         const ui16 port = pm.GetPort();
 
@@ -106,7 +106,7 @@ Y_UNIT_TEST_SUITE(THttpStreamTest) {
             output.EnableKeepAlive(true);
             output.EnableCompression(true);
 
-            TString r; 
+            TString r;
             r += "GET / HTTP/1.1";
             r += "\r\n";
             r += "Host: yandex.lo";
@@ -180,56 +180,56 @@ Y_UNIT_TEST_SUITE(THttpStreamTest) {
 
     Y_UNIT_TEST(TestKeepAlive) {
         {
-            TString s = "GET / HTTP/1.0\r\n\r\n"; 
+            TString s = "GET / HTTP/1.0\r\n\r\n";
             TStringInput si(s);
             THttpInput in(&si);
             UNIT_ASSERT(!in.IsKeepAlive());
         }
 
         {
-            TString s = "GET / HTTP/1.0\r\nConnection: keep-alive\r\n\r\n"; 
+            TString s = "GET / HTTP/1.0\r\nConnection: keep-alive\r\n\r\n";
             TStringInput si(s);
             THttpInput in(&si);
             UNIT_ASSERT(in.IsKeepAlive());
         }
 
         {
-            TString s = "GET / HTTP/1.1\r\n\r\n"; 
+            TString s = "GET / HTTP/1.1\r\n\r\n";
             TStringInput si(s);
             THttpInput in(&si);
             UNIT_ASSERT(in.IsKeepAlive());
         }
 
         {
-            TString s = "GET / HTTP/1.1\r\nConnection: close\r\n\r\n"; 
+            TString s = "GET / HTTP/1.1\r\nConnection: close\r\n\r\n";
             TStringInput si(s);
             THttpInput in(&si);
             UNIT_ASSERT(!in.IsKeepAlive());
         }
 
         {
-            TString s = "HTTP/1.0 200 Ok\r\n\r\n"; 
+            TString s = "HTTP/1.0 200 Ok\r\n\r\n";
             TStringInput si(s);
             THttpInput in(&si);
             UNIT_ASSERT(!in.IsKeepAlive());
         }
 
         {
-            TString s = "HTTP/1.0 200 Ok\r\nConnection: keep-alive\r\n\r\n"; 
+            TString s = "HTTP/1.0 200 Ok\r\nConnection: keep-alive\r\n\r\n";
             TStringInput si(s);
             THttpInput in(&si);
             UNIT_ASSERT(in.IsKeepAlive());
         }
 
         {
-            TString s = "HTTP/1.1 200 Ok\r\n\r\n"; 
+            TString s = "HTTP/1.1 200 Ok\r\n\r\n";
             TStringInput si(s);
             THttpInput in(&si);
             UNIT_ASSERT(in.IsKeepAlive());
         }
 
         {
-            TString s = "HTTP/1.1 200 Ok\r\nConnection: close\r\n\r\n"; 
+            TString s = "HTTP/1.1 200 Ok\r\nConnection: close\r\n\r\n";
             TStringInput si(s);
             THttpInput in(&si);
             UNIT_ASSERT(!in.IsKeepAlive());
@@ -237,7 +237,7 @@ Y_UNIT_TEST_SUITE(THttpStreamTest) {
     }
 
     Y_UNIT_TEST(TestMinRequest) {
-        TString res = "qqqqqq"; 
+        TString res = "qqqqqq";
         TPortManager pm;
         const ui16 port = pm.GetPort();
 
@@ -263,7 +263,7 @@ Y_UNIT_TEST_SUITE(THttpStreamTest) {
     }
 
     Y_UNIT_TEST(TestResponseWithBlanks) {
-        TString res = "qqqqqq\r\n\r\nsdasdsad\r\n"; 
+        TString res = "qqqqqq\r\n\r\nsdasdsad\r\n";
         TPortManager pm;
         const ui16 port = pm.GetPort();
 
@@ -282,13 +282,13 @@ Y_UNIT_TEST_SUITE(THttpStreamTest) {
         THttpInput input(&si);
         unsigned httpCode = ParseHttpRetCode(input.FirstLine());
         UNIT_ASSERT_VALUES_EQUAL(httpCode, 200u);
-        TString reply = input.ReadAll(); 
+        TString reply = input.ReadAll();
         UNIT_ASSERT_VALUES_EQUAL(reply, res);
         server.Stop();
     }
 
     Y_UNIT_TEST(TestOutputFlush) {
-        TString str; 
+        TString str;
         TStringOutput strOut(str);
         TBufferedOutput bufOut(&strOut, 8192);
         THttpOutput httpOut(&bufOut);
@@ -308,8 +308,8 @@ Y_UNIT_TEST_SUITE(THttpStreamTest) {
     }
 
     Y_UNIT_TEST(TestOutputPostFlush) {
-        TString str; 
-        TString checkStr; 
+        TString str;
+        TString checkStr;
         TStringOutput strOut(str);
         TStringOutput checkOut(checkStr);
         TBufferedOutput bufOut(&strOut, 8192);
@@ -333,7 +333,7 @@ Y_UNIT_TEST_SUITE(THttpStreamTest) {
     }
 
     TString MakeHttpOutputBody(const char* body, bool encodingEnabled) {
-        TString str; 
+        TString str;
         TStringOutput strOut(str);
         {
             TBufferedOutput bufOut(&strOut, 8192);
@@ -353,7 +353,7 @@ Y_UNIT_TEST_SUITE(THttpStreamTest) {
         }
         const char* bodyDelimiter = "\r\n\r\n";
         size_t bodyPos = str.find(bodyDelimiter);
-        UNIT_ASSERT(bodyPos != TString::npos); 
+        UNIT_ASSERT(bodyPos != TString::npos);
         return str.substr(bodyPos + strlen(bodyDelimiter));
     };
 
@@ -373,7 +373,7 @@ Y_UNIT_TEST_SUITE(THttpStreamTest) {
     }
 
     Y_UNIT_TEST(TestOutputFinish) {
-        TString str; 
+        TString str;
         TStringOutput strOut(str);
         TBufferedOutput bufOut(&strOut, 8192);
         THttpOutput httpOut(&bufOut);
@@ -399,8 +399,8 @@ Y_UNIT_TEST_SUITE(THttpStreamTest) {
         const char* headerLine3 = "\tAccept-Language";
         const char* headerLine4 = "Content-Length: 18";
 
-        TString endLine("\r\n"); 
-        TString r; 
+        TString endLine("\r\n");
+        TString r;
         r += headerLine0 + endLine;
         r += headerLine1 + endLine;
         r += headerLine2 + endLine;
@@ -414,15 +414,15 @@ Y_UNIT_TEST_SUITE(THttpStreamTest) {
         UNIT_ASSERT_VALUES_EQUAL(httpHeaders.Count(), 3u);
 
         THttpHeaders::TConstIterator it = httpHeaders.Begin();
-        UNIT_ASSERT_VALUES_EQUAL(it->ToString(), TString(headerLine1)); 
-        UNIT_ASSERT_VALUES_EQUAL((++it)->ToString(), TString::Join(headerLine2, headerLine3)); 
-        UNIT_ASSERT_VALUES_EQUAL((++it)->ToString(), TString(headerLine4)); 
+        UNIT_ASSERT_VALUES_EQUAL(it->ToString(), TString(headerLine1));
+        UNIT_ASSERT_VALUES_EQUAL((++it)->ToString(), TString::Join(headerLine2, headerLine3));
+        UNIT_ASSERT_VALUES_EQUAL((++it)->ToString(), TString(headerLine4));
     }
 
     Y_UNIT_TEST(ContentLengthRemoval) {
         TMemoryInput request("GET / HTTP/1.1\r\nAccept-Encoding: gzip\r\n\r\n");
         THttpInput i(&request);
-        TString result; 
+        TString result;
         TStringOutput out(result);
         THttpOutput httpOut(&out, &i);
 
@@ -661,7 +661,7 @@ Y_UNIT_TEST_SUITE(THttpStreamTest) {
         out << "HTTP/1.1 200 OK\r\nConnection: Keep-Alive\r\n\r\n";
         out << "";
         out.Finish();
-        TString result = outBuf.Str(); 
+        TString result = outBuf.Str();
         UNIT_ASSERT(!result.Contains(TStringBuf("0\r\n")));
     }
 
diff --git a/library/cpp/http/misc/httpcodes.cpp b/library/cpp/http/misc/httpcodes.cpp
index 40208b7d18..ad8c80ac1e 100644
--- a/library/cpp/http/misc/httpcodes.cpp
+++ b/library/cpp/http/misc/httpcodes.cpp
@@ -1,6 +1,6 @@
 #include "httpcodes.h"
 
-TStringBuf HttpCodeStrEx(int code) noexcept { 
+TStringBuf HttpCodeStrEx(int code) noexcept {
     switch (code) {
         case HTTP_CONTINUE:
             return TStringBuf("100 Continue");
diff --git a/library/cpp/http/misc/httpcodes.h b/library/cpp/http/misc/httpcodes.h
index e655dd5bd1..cbfbaa1188 100644
--- a/library/cpp/http/misc/httpcodes.h
+++ b/library/cpp/http/misc/httpcodes.h
@@ -75,20 +75,20 @@ enum HttpCodes {
     HTTP_CODE_MAX
 };
 
-TStringBuf HttpCodeStrEx(int code) noexcept; 
+TStringBuf HttpCodeStrEx(int code) noexcept;
 
-inline TStringBuf HttpCodeStr(int code) noexcept { 
+inline TStringBuf HttpCodeStr(int code) noexcept {
     return HttpCodeStrEx(code).Skip(4);
 }
 
-inline bool IsHttpCode(int code) noexcept { 
+inline bool IsHttpCode(int code) noexcept {
     return HttpCodeStrEx(code).data() != HttpCodeStrEx(0).data();
 }
 
-inline bool IsUserError(int code) noexcept { 
+inline bool IsUserError(int code) noexcept {
     return code >= 400 && code < 500;
 }
 
-inline bool IsServerError(int code) noexcept { 
+inline bool IsServerError(int code) noexcept {
     return code >= 500;
 }
diff --git a/library/cpp/http/misc/httpdate.cpp b/library/cpp/http/misc/httpdate.cpp
index 8fcfc002e6..4a3031bbf4 100644
--- a/library/cpp/http/misc/httpdate.cpp
+++ b/library/cpp/http/misc/httpdate.cpp
@@ -76,8 +76,8 @@ char* format_http_date(time_t when, char* buf, size_t buflen) {
     return buf;
 }
 
-TString FormatHttpDate(time_t when) { 
+TString FormatHttpDate(time_t when) {
     char str[64] = {0};
     format_http_date(str, Y_ARRAY_SIZE(str), when);
-    return TString(str); 
+    return TString(str);
 }
diff --git a/library/cpp/http/misc/httpdate.h b/library/cpp/http/misc/httpdate.h
index 2d66154243..04876f38fe 100644
--- a/library/cpp/http/misc/httpdate.h
+++ b/library/cpp/http/misc/httpdate.h
@@ -1,7 +1,7 @@
 #pragma once
 
 #include <util/datetime/base.h>
-#include <util/generic/string.h> 
+#include <util/generic/string.h>
 
 #include <ctime>
 
@@ -18,4 +18,4 @@ inline time_t parse_http_date(const TStringBuf& datestring) {
 int format_http_date(char buf[], size_t size, time_t when);
 char* format_http_date(time_t when, char* buf, size_t len);
 
-TString FormatHttpDate(time_t when); 
+TString FormatHttpDate(time_t when);
diff --git a/library/cpp/http/misc/httpreqdata.cpp b/library/cpp/http/misc/httpreqdata.cpp
index 27fa66f9c6..f6951f68cd 100644
--- a/library/cpp/http/misc/httpreqdata.cpp
+++ b/library/cpp/http/misc/httpreqdata.cpp
@@ -74,7 +74,7 @@ const char* TBaseServerRequestData::HeaderIn(TStringBuf key) const {
     return it->second.data();
 }
 
-TString TBaseServerRequestData::HeaderByIndex(size_t n) const noexcept { 
+TString TBaseServerRequestData::HeaderByIndex(size_t n) const noexcept {
     if (n >= HeadersCount()) {
         return nullptr;
     }
@@ -179,7 +179,7 @@ bool TBaseServerRequestData::Parse(const char* origReq) {
     return true;
 }
 
-void TBaseServerRequestData::AddHeader(const TString& name, const TString& value) { 
+void TBaseServerRequestData::AddHeader(const TString& name, const TString& value) {
     HeadersIn_[name] = value;
 
     if (stricmp(name.data(), "Host") == 0) {
@@ -190,7 +190,7 @@ void TBaseServerRequestData::AddHeader(const TString& name, const TString& value
     }
 }
 
-void TBaseServerRequestData::SetPath(const TString& path) { 
+void TBaseServerRequestData::SetPath(const TString& path) {
     PathStorage = TBuffer(path.data(), path.size() + 1);
     Path = PathStorage.Data();
 }
diff --git a/library/cpp/http/misc/httpreqdata.h b/library/cpp/http/misc/httpreqdata.h
index 74448db8d7..16e59c4d78 100644
--- a/library/cpp/http/misc/httpreqdata.h
+++ b/library/cpp/http/misc/httpreqdata.h
@@ -11,7 +11,7 @@
 #include <util/network/socket.h>
 #include <util/generic/hash.h>
 #include <util/system/yassert.h>
-#include <util/generic/string.h> 
+#include <util/generic/string.h>
 #include <util/datetime/base.h>
 #include <util/generic/buffer.h>
 
@@ -22,12 +22,12 @@ public:
     TBaseServerRequestData(SOCKET s = INVALID_SOCKET);
     TBaseServerRequestData(const char* qs, SOCKET s = INVALID_SOCKET);
 
-    void SetHost(const TString& host, ui16 port) { 
+    void SetHost(const TString& host, ui16 port) {
         Host = host;
         Port = ToString(port);
     }
 
-    const TString& ServerName() const { 
+    const TString& ServerName() const {
         return Host;
     }
 
@@ -35,7 +35,7 @@ public:
         return NAddr::GetSockAddr(Socket);
     }
 
-    const TString& ServerPort() const { 
+    const TString& ServerPort() const {
         return Port;
     }
 
@@ -64,33 +64,33 @@ public:
         return HeadersIn_;
     }
 
-    inline size_t HeadersCount() const noexcept { 
+    inline size_t HeadersCount() const noexcept {
         return HeadersIn_.size();
     }
 
-    TString HeaderByIndex(size_t n) const noexcept; 
+    TString HeaderByIndex(size_t n) const noexcept;
     const char* Environment(const char* key) const;
 
     void Clear();
 
-    void SetSocket(SOCKET s) noexcept { 
+    void SetSocket(SOCKET s) noexcept {
         Socket = s;
     }
 
-    ui64 RequestBeginTime() const noexcept { 
+    ui64 RequestBeginTime() const noexcept {
         return BeginTime;
     }
 
-    void SetPath(const TString& path); 
+    void SetPath(const TString& path);
     const char* GetCurPage() const;
     bool Parse(const char* req);
-    void AddHeader(const TString& name, const TString& value); 
+    void AddHeader(const TString& name, const TString& value);
 
 private:
     TBuffer PathStorage;
     mutable char* Addr;
-    TString Host; 
-    TString Port; 
+    TString Host;
+    TString Port;
     char* Path;
     char* Search;
     size_t SearchLength; // length of Search
@@ -99,7 +99,7 @@ private:
     mutable char AddrData[INET6_ADDRSTRLEN];
     SOCKET Socket;
     ui64 BeginTime;
-    mutable TString CurPage; 
+    mutable TString CurPage;
     TBuffer ParseBuf;
     TBuffer ModifiedQueryString;
 };
diff --git a/library/cpp/http/misc/parsed_request.cpp b/library/cpp/http/misc/parsed_request.cpp
index 3bc94a4d33..e332a24e91 100644
--- a/library/cpp/http/misc/parsed_request.cpp
+++ b/library/cpp/http/misc/parsed_request.cpp
@@ -4,7 +4,7 @@
 #include <util/generic/yexception.h>
 #include <util/string/cast.h>
 
-static inline TStringBuf StripLeft(const TStringBuf& s) noexcept { 
+static inline TStringBuf StripLeft(const TStringBuf& s) noexcept {
     const char* b = s.begin();
     const char* e = s.end();
 
diff --git a/library/cpp/http/server/conn.cpp b/library/cpp/http/server/conn.cpp
index 4e285874ed..38a76c4c30 100644
--- a/library/cpp/http/server/conn.cpp
+++ b/library/cpp/http/server/conn.cpp
@@ -15,14 +15,14 @@ public:
     {
     }
 
-    inline ~TImpl() { 
+    inline ~TImpl() {
     }
 
-    inline THttpInput* Input() noexcept { 
+    inline THttpInput* Input() noexcept {
         return &HI_;
     }
 
-    inline THttpOutput* Output() noexcept { 
+    inline THttpOutput* Output() noexcept {
         return &HO_;
     }
 
@@ -53,14 +53,14 @@ THttpServerConn::THttpServerConn(const TSocket& s, size_t outputBufferSize)
 {
 }
 
-THttpServerConn::~THttpServerConn() { 
+THttpServerConn::~THttpServerConn() {
 }
 
-THttpInput* THttpServerConn::Input() noexcept { 
+THttpInput* THttpServerConn::Input() noexcept {
     return Impl_->Input();
 }
 
-THttpOutput* THttpServerConn::Output() noexcept { 
+THttpOutput* THttpServerConn::Output() noexcept {
     return Impl_->Output();
 }
 
diff --git a/library/cpp/http/server/conn.h b/library/cpp/http/server/conn.h
index 44d6f8be28..3aa5329af4 100644
--- a/library/cpp/http/server/conn.h
+++ b/library/cpp/http/server/conn.h
@@ -10,22 +10,22 @@ class THttpServerConn {
 public:
     explicit THttpServerConn(const TSocket& s);
     THttpServerConn(const TSocket& s, size_t outputBufferSize);
-    ~THttpServerConn(); 
+    ~THttpServerConn();
 
-    THttpInput* Input() noexcept; 
-    THttpOutput* Output() noexcept; 
+    THttpInput* Input() noexcept;
+    THttpOutput* Output() noexcept;
 
-    inline const THttpInput* Input() const noexcept { 
+    inline const THttpInput* Input() const noexcept {
         return const_cast<THttpServerConn*>(this)->Input();
     }
 
-    inline const THttpOutput* Output() const noexcept { 
+    inline const THttpOutput* Output() const noexcept {
         return const_cast<THttpServerConn*>(this)->Output();
     }
 
     /// Проверяет, можно ли установить режим, при котором соединение с сервером
     /// не завершается после окончания транзакции.
-    inline bool CanBeKeepAlive() const noexcept { 
+    inline bool CanBeKeepAlive() const noexcept {
         return Output()->CanBeKeepAlive();
     }
 
diff --git a/library/cpp/http/server/http.cpp b/library/cpp/http/server/http.cpp
index 4a122d1a0a..128583bdd7 100644
--- a/library/cpp/http/server/http.cpp
+++ b/library/cpp/http/server/http.cpp
@@ -31,7 +31,7 @@ using namespace NAddr;
 namespace {
     class IPollAble {
     public:
-        inline IPollAble() noexcept { 
+        inline IPollAble() noexcept {
         }
 
         virtual ~IPollAble() {
@@ -53,7 +53,7 @@ namespace {
 class TClientConnection: public IPollAble, public TIntrusiveListItem<TClientConnection> {
 public:
     TClientConnection(const TSocket& s, THttpServer::TImpl* serv, NAddr::IRemoteAddrRef listenerSockAddrRef);
-    ~TClientConnection() override; 
+    ~TClientConnection() override;
 
     void OnPollEvent(TInstant now) override;
 
@@ -81,10 +81,10 @@ public:
         {
         }
 
-        inline ~TConnections() { 
+        inline ~TConnections() {
         }
 
-        inline void Add(TClientConnection* c) noexcept { 
+        inline void Add(TClientConnection* c) noexcept {
             TGuard<TMutex> g(Mutex_);
 
             Conns_.PushBack(c);
@@ -99,7 +99,7 @@ public:
             }
         }
 
-        inline void Clear() noexcept { 
+        inline void Clear() noexcept {
             TGuard<TMutex> g(Mutex_);
 
             Conns_.Clear();
@@ -297,7 +297,7 @@ public:
         {
         }
 
-        ~TListenSocket() override { 
+        ~TListenSocket() override {
         }
 
         void OnPollEvent(TInstant) override {
@@ -310,7 +310,7 @@ public:
             Server_->AddRequestFromSocket(s, TInstant::Now(), SockAddrRef_);
         }
 
-        SOCKET GetSocket() const noexcept { 
+        SOCKET GetSocket() const noexcept {
             return S_;
         }
 
@@ -345,7 +345,7 @@ public:
         ListenerRunningOK = true;
         ListenStartEvent.Signal();
 
-        TVector<void*> events; 
+        TVector<void*> events;
         events.resize(1);
 
         TInstant now = TInstant::Now();
@@ -422,15 +422,15 @@ public:
         }
     }
 
-    inline const TOptions& Options() const noexcept { 
+    inline const TOptions& Options() const noexcept {
         return Options_;
     }
 
-    inline void DecreaseConnections() noexcept { 
+    inline void DecreaseConnections() noexcept {
         AtomicDecrement(ConnectionCount);
     }
 
-    inline void IncreaseConnections() noexcept { 
+    inline void IncreaseConnections() noexcept {
         AtomicIncrement(ConnectionCount);
     }
 
@@ -527,7 +527,7 @@ void THttpServer::RestartRequestThreads(ui32 n, ui32 queue) {
     Impl_->RestartRequestThreads(n, queue);
 }
 
-const THttpServer::TOptions& THttpServer::Options() const noexcept { 
+const THttpServer::TOptions& THttpServer::Options() const noexcept {
     return Impl_->Options();
 }
 
@@ -566,7 +566,7 @@ TClientConnection::TClientConnection(const TSocket& s, THttpServer::TImpl* serv,
     HttpServ_->IncreaseConnections();
 }
 
-TClientConnection::~TClientConnection() { 
+TClientConnection::~TClientConnection() {
     HttpServ_->DecreaseConnections();
 }
 
@@ -730,7 +730,7 @@ void TClientRequest::ProcessFailRequest(int failstate) {
                 "\r\n"
                 "Service Unavailable\r\n";
 
-    TString url; 
+    TString url;
 
     if (!strnicmp(RequestString.data(), "GET ", 4)) {
         // Trying to extract url...
@@ -764,11 +764,11 @@ void TClientRequest::ProcessFailRequest(int failstate) {
     Output().Flush();
 }
 
-THttpServer* TClientRequest::HttpServ() const noexcept { 
+THttpServer* TClientRequest::HttpServ() const noexcept {
     return Conn_->HttpServ_->Parent_;
 }
 
-const TSocket& TClientRequest::Socket() const noexcept { 
+const TSocket& TClientRequest::Socket() const noexcept {
     return Conn_->Socket_;
 }
 
diff --git a/library/cpp/http/server/http.h b/library/cpp/http/server/http.h
index e36a27ca25..b292d38f27 100644
--- a/library/cpp/http/server/http.h
+++ b/library/cpp/http/server/http.h
@@ -23,7 +23,7 @@ public:
     public:
         struct TFailLogData {
             int failstate;
-            TString url; 
+            TString url;
         };
 
         virtual ~ICallBack() {
@@ -80,7 +80,7 @@ public:
     int GetErrorCode();
     const char* GetError();
     void RestartRequestThreads(ui32 nTh, ui32 maxQS);
-    const TOptions& Options() const noexcept; 
+    const TOptions& Options() const noexcept;
     i64 GetClientCount() const;
 
     class TImpl;
@@ -109,16 +109,16 @@ public:
     TClientRequest();
     ~TClientRequest() override;
 
-    inline THttpInput& Input() noexcept { 
+    inline THttpInput& Input() noexcept {
         return *HttpConn_->Input();
     }
 
-    inline THttpOutput& Output() noexcept { 
+    inline THttpOutput& Output() noexcept {
         return *HttpConn_->Output();
     }
 
-    THttpServer* HttpServ() const noexcept; 
-    const TSocket& Socket() const noexcept; 
+    THttpServer* HttpServ() const noexcept;
+    const TSocket& Socket() const noexcept;
     NAddr::IRemoteAddrRef GetListenerSockAddrRef() const noexcept;
     TInstant AcceptMoment() const noexcept;
 
@@ -140,8 +140,8 @@ private:
     void Process(void* ThreadSpecificResource) override;
 
 public:
-    TVector<std::pair<TString, TString>> ParsedHeaders; 
-    TString RequestString; 
+    TVector<std::pair<TString, TString>> ParsedHeaders;
+    TString RequestString;
 
 private:
     THolder<TClientConnection> Conn_;
diff --git a/library/cpp/http/server/http_ut.cpp b/library/cpp/http/server/http_ut.cpp
index f72fde0cc2..cc62bb988e 100644
--- a/library/cpp/http/server/http_ut.cpp
+++ b/library/cpp/http/server/http_ut.cpp
@@ -40,7 +40,7 @@ Y_UNIT_TEST_SUITE(THttpServerTest) {
         };
 
     public:
-        inline TEchoServer(const TString& res) 
+        inline TEchoServer(const TString& res)
             : Res_(res)
         {
         }
@@ -50,7 +50,7 @@ Y_UNIT_TEST_SUITE(THttpServerTest) {
         }
 
     private:
-        TString Res_; 
+        TString Res_;
     };
 
     class TSleepingServer: public THttpServer::ICallBack {
@@ -136,7 +136,7 @@ Y_UNIT_TEST_SUITE(THttpServerTest) {
         THolder<TAtomicCounter> MaxConns;
     };
 
-    static const TString CrLf = "\r\n"; 
+    static const TString CrLf = "\r\n";
 
     struct TTestRequest {
         TTestRequest(ui16 port, TString content = TString())
@@ -148,10 +148,10 @@ Y_UNIT_TEST_SUITE(THttpServerTest) {
         void CheckContinue(TSocketInput& si) {
             if (Expect100Continue) {
                 TStringStream ss;
-                TString firstLine; 
+                TString firstLine;
                 si.ReadLine(firstLine);
                 for (;;) {
-                    TString buf; 
+                    TString buf;
                     si.ReadLine(buf);
                     if (buf.size() == 0) {
                         break;
@@ -162,7 +162,7 @@ Y_UNIT_TEST_SUITE(THttpServerTest) {
             }
         }
 
-        TString Execute() { 
+        TString Execute() {
             TSocket* s = nullptr;
             THolder<TSocket> singleReqSocket;
             if (KeepAliveConnection) {
@@ -239,7 +239,7 @@ Y_UNIT_TEST_SUITE(THttpServerTest) {
                     s->Send(r.Data(), r.Size());
                     CheckContinue(si);
                     Hdr = r.Str();
-                    TString tosend = compressedContent.Str(); 
+                    TString tosend = compressedContent.Str();
                     s->Send(tosend.data(), tosend.size());
                 } else {
                     if (isPost) {
@@ -264,7 +264,7 @@ Y_UNIT_TEST_SUITE(THttpServerTest) {
             return ss.Str();
         }
 
-        TString GetDescription() const { 
+        TString GetDescription() const {
             if (UseHttpOutput) {
                 TStringStream ss;
                 ss << (KeepAliveConnection ? "keep-alive " : "") << Type;
@@ -279,13 +279,13 @@ Y_UNIT_TEST_SUITE(THttpServerTest) {
 
         ui16 Port = 0;
         bool UseHttpOutput = true;
-        TString Type = "GET"; 
-        TString ContentEncoding; 
-        TString Content; 
+        TString Type = "GET";
+        TString ContentEncoding;
+        TString Content;
         bool KeepAliveConnection = false;
         THolder<TSocket> KeepAlivedSocket;
         bool EnableResponseEncoding = false;
-        TString Hdr; 
+        TString Hdr;
         bool Expect100Continue = false;
     };
 
@@ -311,8 +311,8 @@ Y_UNIT_TEST_SUITE(THttpServerTest) {
         }
     };
 
-    TString TestData(size_t size = 5 * 4096) { 
-        TString res; 
+    TString TestData(size_t size = 5 * 4096) {
+        TString res;
 
         for (size_t i = 0; i < size; ++i) {
             res += (char)i;
@@ -321,7 +321,7 @@ Y_UNIT_TEST_SUITE(THttpServerTest) {
     }
 
     Y_UNIT_TEST(TestEchoServer) {
-        TString res = TestData(); 
+        TString res = TestData();
         TPortManager pm;
         const ui16 port = pm.GetPort();
         const bool trueFalse[] = {true, false};
@@ -345,17 +345,17 @@ Y_UNIT_TEST_SUITE(THttpServerTest) {
                     for (bool enableResponseEncoding : trueFalse) {
                         r.EnableResponseEncoding = enableResponseEncoding;
 
-                        const TString reqTypes[] = {"GET", "POST"}; 
-                        for (const TString& reqType : reqTypes) { 
+                        const TString reqTypes[] = {"GET", "POST"};
+                        for (const TString& reqType : reqTypes) {
                             r.Type = reqType;
 
-                            const TString encoders[] = {"", "deflate"}; 
-                            for (const TString& encoder : encoders) { 
+                            const TString encoders[] = {"", "deflate"};
+                            for (const TString& encoder : encoders) {
                                 r.ContentEncoding = encoder;
 
                                 for (bool expect100Continue : trueFalse) {
                                     r.Expect100Continue = expect100Continue;
-                                    TString resp = r.Execute(); 
+                                    TString resp = r.Execute();
                                     UNIT_ASSERT_C(resp == res, "diff echo response for request:\n" + r.GetDescription());
                                 }
                             }
@@ -377,7 +377,7 @@ Y_UNIT_TEST_SUITE(THttpServerTest) {
         const ui16 port = pm.GetPort();
 
         TEchoServer serverImpl(res);
-        TVector<THolder<THttpServer>> servers; 
+        TVector<THolder<THttpServer>> servers;
         for (ui32 i = 0; i < 10; i++) {
             servers.push_back(MakeHolder<THttpServer>(&serverImpl, THttpServer::TOptions(port).EnableReusePort(true)));
         }
@@ -427,7 +427,7 @@ Y_UNIT_TEST_SUITE(THttpServerTest) {
          * Emulate request processing failures
          * Data should be large enough not to fit into socket buffer
          **/
-        TString res = TestData(10 * 1024 * 1024); 
+        TString res = TestData(10 * 1024 * 1024);
         TPortManager portManager;
         const ui16 port = portManager.GetPort();
         TEchoServer serverImpl(res);
@@ -446,7 +446,7 @@ Y_UNIT_TEST_SUITE(THttpServerTest) {
             TTestRequest r(port);
             r.Content = res;
             r.Type = "POST";
-            TString resp = r.Execute(); 
+            TString resp = r.Execute();
             if (i == 1) {
                 UNIT_ASSERT(resp.Contains("Service Unavailable"));
             } else {
diff --git a/library/cpp/http/server/options.cpp b/library/cpp/http/server/options.cpp
index e1f85d22c3..05c954384a 100644
--- a/library/cpp/http/server/options.cpp
+++ b/library/cpp/http/server/options.cpp
@@ -9,11 +9,11 @@
 
 using TAddr = THttpServerOptions::TAddr;
 
-static inline TString AddrToString(const TAddr& addr) { 
+static inline TString AddrToString(const TAddr& addr) {
     return addr.Addr + ":" + ToString(addr.Port);
 }
 
-static inline TNetworkAddress ToNetworkAddr(const TString& address, ui16 port) { 
+static inline TNetworkAddress ToNetworkAddr(const TString& address, ui16 port) {
     if (address.empty() || address == TStringBuf("*")) {
         return TNetworkAddress(port);
     }
@@ -22,14 +22,14 @@ static inline TNetworkAddress ToNetworkAddr(const TString& address, ui16 port) {
 }
 
 void THttpServerOptions::BindAddresses(TBindAddresses& ret) const {
-    THashSet<TString> check; 
+    THashSet<TString> check;
 
     for (auto addr : BindSockaddr) {
         if (!addr.Port) {
             addr.Port = Port;
         }
 
-        const TString straddr = AddrToString(addr); 
+        const TString straddr = AddrToString(addr);
 
         if (check.find(straddr) == check.end()) {
             check.insert(straddr);
diff --git a/library/cpp/http/server/options.h b/library/cpp/http/server/options.h
index 3354578db2..38eda0e5e7 100644
--- a/library/cpp/http/server/options.h
+++ b/library/cpp/http/server/options.h
@@ -4,18 +4,18 @@
 #include <util/network/init.h>
 #include <util/network/address.h>
 #include <util/generic/size_literals.h>
-#include <util/generic/string.h> 
+#include <util/generic/string.h>
 #include <util/generic/vector.h>
 #include <util/datetime/base.h>
 
 class THttpServerOptions {
 public:
-    inline THttpServerOptions(ui16 port = 17000) noexcept 
+    inline THttpServerOptions(ui16 port = 17000) noexcept
         : Port(port)
     {
     }
 
-    using TBindAddresses = TVector<TNetworkAddress>; 
+    using TBindAddresses = TVector<TNetworkAddress>;
     void BindAddresses(TBindAddresses& ret) const;
 
     inline THttpServerOptions& AddBindAddress(const TString& address, ui16 port) {
@@ -32,13 +32,13 @@ public:
         return AddBindAddress(address, 0);
     }
 
-    inline THttpServerOptions& EnableKeepAlive(bool enable) noexcept { 
+    inline THttpServerOptions& EnableKeepAlive(bool enable) noexcept {
         KeepAliveEnabled = enable;
 
         return *this;
     }
 
-    inline THttpServerOptions& EnableCompression(bool enable) noexcept { 
+    inline THttpServerOptions& EnableCompression(bool enable) noexcept {
         CompressionEnabled = enable;
 
         return *this;
@@ -62,51 +62,51 @@ public:
         return *this;
     }
 
-    inline THttpServerOptions& SetThreads(ui32 threads) noexcept { 
+    inline THttpServerOptions& SetThreads(ui32 threads) noexcept {
         nThreads = threads;
 
         return *this;
     }
 
     /// Default interface name to bind the server. Used when none of BindAddress are provided.
-    inline THttpServerOptions& SetHost(const TString& host) noexcept { 
+    inline THttpServerOptions& SetHost(const TString& host) noexcept {
         Host = host;
 
         return *this;
     }
 
     /// Default port to bind the server. Used when none of BindAddress are provided.
-    inline THttpServerOptions& SetPort(ui16 port) noexcept { 
+    inline THttpServerOptions& SetPort(ui16 port) noexcept {
         Port = port;
 
         return *this;
     }
 
-    inline THttpServerOptions& SetMaxConnections(ui32 mc = 0) noexcept { 
+    inline THttpServerOptions& SetMaxConnections(ui32 mc = 0) noexcept {
         MaxConnections = mc;
 
         return *this;
     }
 
-    inline THttpServerOptions& SetMaxQueueSize(ui32 mqs = 0) noexcept { 
+    inline THttpServerOptions& SetMaxQueueSize(ui32 mqs = 0) noexcept {
         MaxQueueSize = mqs;
 
         return *this;
     }
 
-    inline THttpServerOptions& SetClientTimeout(const TDuration& timeout) noexcept { 
+    inline THttpServerOptions& SetClientTimeout(const TDuration& timeout) noexcept {
         ClientTimeout = timeout;
 
         return *this;
     }
 
-    inline THttpServerOptions& SetListenBacklog(int val) noexcept { 
+    inline THttpServerOptions& SetListenBacklog(int val) noexcept {
         ListenBacklog = val;
 
         return *this;
     }
 
-    inline THttpServerOptions& SetOutputBufferSize(size_t val) noexcept { 
+    inline THttpServerOptions& SetOutputBufferSize(size_t val) noexcept {
         OutputBufferSize = val;
 
         return *this;
@@ -140,11 +140,11 @@ public:
     }
 
     struct TAddr {
-        TString Addr; 
+        TString Addr;
         ui16 Port;
     };
 
-    typedef TVector<TAddr> TAddrs; 
+    typedef TVector<TAddr> TAddrs;
 
     bool KeepAliveEnabled = true;
     bool CompressionEnabled = false;
diff --git a/library/cpp/http/server/response.cpp b/library/cpp/http/server/response.cpp
index 64ad7fceb3..52d64c91ce 100644
--- a/library/cpp/http/server/response.cpp
+++ b/library/cpp/http/server/response.cpp
@@ -18,7 +18,7 @@ THttpResponse& THttpResponse::SetContentType(const TStringBuf& contentType) {
 }
 
 void THttpResponse::OutTo(IOutputStream& os) const {
-    TVector<IOutputStream::TPart> parts; 
+    TVector<IOutputStream::TPart> parts;
     const size_t FIRST_LINE_PARTS = 3;
     const size_t HEADERS_PARTS = Headers.Count() * 4;
     const size_t CONTENT_PARTS = 5;
diff --git a/library/cpp/http/server/response.h b/library/cpp/http/server/response.h
index a6a92c89d0..a75cb85605 100644
--- a/library/cpp/http/server/response.h
+++ b/library/cpp/http/server/response.h
@@ -11,18 +11,18 @@ class IOutputStream;
 
 class THttpResponse {
 public:
-    THttpResponse() noexcept 
+    THttpResponse() noexcept
         : Code(HTTP_OK)
     {
     }
 
-    explicit THttpResponse(HttpCodes code) noexcept 
+    explicit THttpResponse(HttpCodes code) noexcept
         : Code(code)
     {
     }
 
     template <typename ValueType>
-    THttpResponse& AddHeader(const TString& name, const ValueType& value) { 
+    THttpResponse& AddHeader(const TString& name, const ValueType& value) {
         return AddHeader(THttpInputHeader(name, ToString(value)));
     }
 
@@ -45,7 +45,7 @@ public:
      * "Content-Length" header during output to IOutputStream.
      * @see IOutputStream& operator << (IOutputStream&, const THttpResponse&)
      */
-    THttpResponse& SetContent(const TString& content) { 
+    THttpResponse& SetContent(const TString& content) {
         Content = content;
 
         return *this;
@@ -60,7 +60,7 @@ public:
      * "Content-Length" header during output to IOutputStream.
      * @see IOutputStream& operator << (IOutputStream&, const THttpResponse&)
      */
-    THttpResponse& SetContent(const TString& content, const TStringBuf& contentType) { 
+    THttpResponse& SetContent(const TString& content, const TStringBuf& contentType) {
         return SetContent(content).SetContentType(contentType);
     }
 
@@ -78,5 +78,5 @@ public:
 private:
     HttpCodes Code;
     THttpHeaders Headers;
-    TString Content; 
+    TString Content;
 };
diff --git a/library/cpp/int128/README.md b/library/cpp/int128/README.md
index 0fa0df29c6..e1c4dcbb78 100644
--- a/library/cpp/int128/README.md
+++ b/library/cpp/int128/README.md
@@ -1,6 +1,6 @@
-https://st.yandex-team.ru/IGNIETFERRO-697 
- 
-(Объединение разрозненных по Аркадии библиотек для поддержки 128-битного целого) 
- 
-Идея классов ui128 / i128 в том, чтобы они работали так, как будто это компиляторные интовые типы. 
-Т.е. у этих классов не должно быть публичных функций типа ui128::GetHigh(), конструкторов из нескольких параметров и так далее. 
+https://st.yandex-team.ru/IGNIETFERRO-697
+
+(Объединение разрозненных по Аркадии библиотек для поддержки 128-битного целого)
+
+Идея классов ui128 / i128 в том, чтобы они работали так, как будто это компиляторные интовые типы.
+Т.е. у этих классов не должно быть публичных функций типа ui128::GetHigh(), конструкторов из нескольких параметров и так далее.
diff --git a/library/cpp/int128/bench/main.cpp b/library/cpp/int128/bench/main.cpp
index 54d063cc40..be4f8d1500 100644
--- a/library/cpp/int128/bench/main.cpp
+++ b/library/cpp/int128/bench/main.cpp
@@ -1,45 +1,45 @@
 #include <library/cpp/int128/int128.h>
 #include <library/cpp/testing/benchmark/bench.h>
- 
-#include <util/generic/xrange.h> 
-#include <util/system/compiler.h> 
- 
-Y_CPU_BENCHMARK(LibraryDivisionUnsigned128, iface) { 
-    ui128 b = {0, 10'000'000}; 
-    for (const auto i : xrange(iface.Iterations())) { 
-        ui128 a = i * 10'000'000; 
-        ui128 c = a / b; 
-        Y_FAKE_READ(c); 
-    } 
-} 
- 
-#if defined(Y_HAVE_INT128) 
-Y_CPU_BENCHMARK(IntrinsicDivisionUnsigned128, iface) { 
-    unsigned __int128 b = 10'000'000; 
-    for (const auto i : xrange(iface.Iterations())) { 
-        unsigned __int128 a = i * 10'000'000; 
-        unsigned __int128 c = a / b; 
-        Y_FAKE_READ(c); 
-    } 
-} 
-#endif // Y_HAVE_INT128 
- 
-Y_CPU_BENCHMARK(LibraryDivisionSigned128, iface) { 
-    i128 b = {0, 10'000'000}; 
-    for (const auto i : xrange(iface.Iterations())) { 
-        i128 a = i * 10'000'000; 
-        i128 c = a / b; 
-        Y_FAKE_READ(c); 
-    } 
-} 
- 
-#if defined(Y_HAVE_INT128) 
-Y_CPU_BENCHMARK(IntrinsicDivisionSigned128, iface) { 
-    signed __int128 b = 10'000'000; 
-    for (const auto i : xrange(iface.Iterations())) { 
-        signed __int128 a = i * 10'000'000; 
-        signed __int128 c = a / b; 
-        Y_FAKE_READ(c); 
-    } 
-} 
-#endif // Y_HAVE_INT128 
+
+#include <util/generic/xrange.h>
+#include <util/system/compiler.h>
+
+Y_CPU_BENCHMARK(LibraryDivisionUnsigned128, iface) {
+    ui128 b = {0, 10'000'000};
+    for (const auto i : xrange(iface.Iterations())) {
+        ui128 a = i * 10'000'000;
+        ui128 c = a / b;
+        Y_FAKE_READ(c);
+    }
+}
+
+#if defined(Y_HAVE_INT128)
+Y_CPU_BENCHMARK(IntrinsicDivisionUnsigned128, iface) {
+    unsigned __int128 b = 10'000'000;
+    for (const auto i : xrange(iface.Iterations())) {
+        unsigned __int128 a = i * 10'000'000;
+        unsigned __int128 c = a / b;
+        Y_FAKE_READ(c);
+    }
+}
+#endif // Y_HAVE_INT128
+
+Y_CPU_BENCHMARK(LibraryDivisionSigned128, iface) {
+    i128 b = {0, 10'000'000};
+    for (const auto i : xrange(iface.Iterations())) {
+        i128 a = i * 10'000'000;
+        i128 c = a / b;
+        Y_FAKE_READ(c);
+    }
+}
+
+#if defined(Y_HAVE_INT128)
+Y_CPU_BENCHMARK(IntrinsicDivisionSigned128, iface) {
+    signed __int128 b = 10'000'000;
+    for (const auto i : xrange(iface.Iterations())) {
+        signed __int128 a = i * 10'000'000;
+        signed __int128 c = a / b;
+        Y_FAKE_READ(c);
+    }
+}
+#endif // Y_HAVE_INT128
diff --git a/library/cpp/int128/bench/ya.make b/library/cpp/int128/bench/ya.make
index bcd7c2a263..4800e7883d 100644
--- a/library/cpp/int128/bench/ya.make
+++ b/library/cpp/int128/bench/ya.make
@@ -1,15 +1,15 @@
-OWNER( 
-    vladon 
-) 
- 
+OWNER(
+    vladon
+)
+
 Y_BENCHMARK()
- 
-SRCS( 
-    main.cpp 
-) 
- 
-PEERDIR( 
+
+SRCS(
+    main.cpp
+)
+
+PEERDIR(
     library/cpp/int128
-) 
- 
-END() 
+)
+
+END()
diff --git a/library/cpp/int128/int128.cpp b/library/cpp/int128/int128.cpp
index dedcd28f91..a28a389fe8 100644
--- a/library/cpp/int128/int128.cpp
+++ b/library/cpp/int128/int128.cpp
@@ -1,55 +1,55 @@
-#include "int128.h" 
- 
-#include <tuple> 
- 
-IOutputStream& operator<<(IOutputStream& out, const ui128& other) { 
-    // see http://stackoverflow.com/questions/4361441/c-print-a-biginteger-in-base-10 
-    // and http://stackoverflow.com/questions/8023414/how-to-convert-a-128-bit-integer-to-a-decimal-ascii-string-in-c 
-    int d[39] = {0}; 
-    int i; 
-    int j; 
-    for (i = 63; i > -1; i--) { 
-        if ((other.High_ >> i) & 1) 
-            ++d[0]; 
-        for (j = 0; j < 39; j++) 
-            d[j] *= 2; 
-        for (j = 0; j < 38; j++) { 
-            d[j + 1] += d[j] / 10; 
-            d[j] %= 10; 
-        } 
-    } 
-    for (i = 63; i > -1; i--) { 
-        if ((other.Low_ >> i) & 1) 
-            ++d[0]; 
-        if (i > 0) 
-            for (j = 0; j < 39; j++) 
-                d[j] *= 2; 
-        for (j = 0; j < 38; j++) { 
-            d[j + 1] += d[j] / 10; 
-            d[j] %= 10; 
-        } 
-    } 
-    for (i = 38; i > 0; i--) 
-        if (d[i] > 0) 
-            break; 
-    for (; i > -1; i--) 
-        out << static_cast<char>('0' + d[i]); 
- 
-    return out; 
-} 
- 
-void TSerializer<ui128>::Save(IOutputStream* out, const ui128& Number) { 
-    ::Save(out, GetHigh(Number)); 
-    ::Save(out, GetLow(Number)); 
-} 
- 
-void TSerializer<ui128>::Load(IInputStream* in, ui128& Number) { 
-    ui64 High; 
-    ui64 Low; 
-    ::Load(in, High); 
-    ::Load(in, Low); 
-    Number = ui128(High, Low); 
-} 
+#include "int128.h"
+
+#include <tuple>
+
+IOutputStream& operator<<(IOutputStream& out, const ui128& other) {
+    // see http://stackoverflow.com/questions/4361441/c-print-a-biginteger-in-base-10
+    // and http://stackoverflow.com/questions/8023414/how-to-convert-a-128-bit-integer-to-a-decimal-ascii-string-in-c
+    int d[39] = {0};
+    int i;
+    int j;
+    for (i = 63; i > -1; i--) {
+        if ((other.High_ >> i) & 1)
+            ++d[0];
+        for (j = 0; j < 39; j++)
+            d[j] *= 2;
+        for (j = 0; j < 38; j++) {
+            d[j + 1] += d[j] / 10;
+            d[j] %= 10;
+        }
+    }
+    for (i = 63; i > -1; i--) {
+        if ((other.Low_ >> i) & 1)
+            ++d[0];
+        if (i > 0)
+            for (j = 0; j < 39; j++)
+                d[j] *= 2;
+        for (j = 0; j < 38; j++) {
+            d[j + 1] += d[j] / 10;
+            d[j] %= 10;
+        }
+    }
+    for (i = 38; i > 0; i--)
+        if (d[i] > 0)
+            break;
+    for (; i > -1; i--)
+        out << static_cast<char>('0' + d[i]);
+
+    return out;
+}
+
+void TSerializer<ui128>::Save(IOutputStream* out, const ui128& Number) {
+    ::Save(out, GetHigh(Number));
+    ::Save(out, GetLow(Number));
+}
+
+void TSerializer<ui128>::Load(IInputStream* in, ui128& Number) {
+    ui64 High;
+    ui64 Low;
+    ::Load(in, High);
+    ::Load(in, Low);
+    Number = ui128(High, Low);
+}
 
 IOutputStream& operator<<(IOutputStream& out, const i128& other)
 {
diff --git a/library/cpp/int128/int128.h b/library/cpp/int128/int128.h
index e6345f4f12..f1121fc0c6 100644
--- a/library/cpp/int128/int128.h
+++ b/library/cpp/int128/int128.h
@@ -1,1278 +1,1278 @@
-#pragma once 
- 
-#include "int128_util.h" 
- 
-#include <util/generic/bitops.h> 
-#include <util/system/compiler.h> 
-#include <util/system/defaults.h> 
-#include <util/stream/output.h> 
-#include <util/string/cast.h> 
-#include <util/string/builder.h> 
-#include <util/str_stl.h> 
-#include <util/ysaveload.h> 
- 
-#include <cfenv> 
-#include <climits> 
-#include <cmath> 
-#include <limits> 
-#include <type_traits> 
- 
-#if !defined(_little_endian_) && !defined(_big_endian_) 
-    static_assert(false, "Platform endianness is not supported"); 
-#endif 
- 
-template <bool IsSigned> 
-class TInteger128 { 
-public: 
-    TInteger128() noexcept = default; 
- 
-#if defined(_little_endian_) 
-    constexpr TInteger128(const ui64 high, const ui64 low) noexcept 
-        : Low_(low) 
-        , High_(high) 
-    { 
-    } 
-#elif defined(_big_endian_) 
-    constexpr TInteger128(const ui64 high, const ui64 low) noexcept 
-        : High_(high) 
-        , Low_(low) 
-    { 
-    } 
-#endif 
- 
-    constexpr TInteger128(const TInteger128<!IsSigned> other) noexcept 
-        : TInteger128{GetHigh(other), GetLow(other)} 
-    { 
-    } 
- 
-#if defined(_little_endian_) 
-    constexpr TInteger128(const char other) noexcept 
-        : Low_{static_cast<ui64>(other)} 
-        , High_{0} 
-    { 
-    } 
- 
-    constexpr TInteger128(const ui8 other) noexcept 
-        : Low_{other} 
-        , High_{0} 
-    { 
-    } 
- 
-    constexpr TInteger128(const ui16 other) noexcept 
-        : Low_{other} 
-        , High_{0} 
-    { 
-    } 
- 
-    constexpr TInteger128(const ui32 other) noexcept 
-        : Low_{other} 
-        , High_{0} 
-    { 
-    } 
- 
-    constexpr TInteger128(const ui64 other) noexcept 
-        : Low_{other} 
-        , High_{0} 
-    { 
-    } 
- 
-#if defined(Y_HAVE_INT128) 
-    constexpr TInteger128(const unsigned __int128 other) noexcept 
-        : Low_{static_cast<ui64>(other & ~ui64{0})} 
-        , High_{static_cast<ui64>(other >> 64)} 
-    { 
-    } 
-#endif 
- 
-    constexpr TInteger128(const i8 other) noexcept 
-        : Low_{static_cast<ui64>(other)} 
-        , High_{other < 0 ? std::numeric_limits<ui64>::max() : 0} 
-    { 
-    } 
- 
-    constexpr TInteger128(const i16 other) noexcept 
-        : Low_{static_cast<ui64>(other)} 
-        , High_{other < 0 ? std::numeric_limits<ui64>::max() : 0} 
-    { 
-    } 
- 
-    constexpr TInteger128(const i32 other) noexcept 
-        : Low_(static_cast<ui64>(other)) 
-        , High_{other < 0 ? std::numeric_limits<ui64>::max() : 0} 
-    { 
-    } 
- 
-    constexpr TInteger128(const i64 other) noexcept 
-        : Low_(static_cast<ui64>(other)) 
-        , High_{other < 0 ? std::numeric_limits<ui64>::max() : 0} 
-    { 
-    } 
- 
-#if defined(Y_HAVE_INT128) 
-    template <bool IsSigned2 = IsSigned, std::enable_if_t<!IsSigned2, bool> = false> 
-    constexpr TInteger128(const signed __int128 other) noexcept 
-        : Low_{static_cast<ui64>(other & ~ui64{0})} 
-        , High_{static_cast<ui64>(static_cast<unsigned __int128>(other) >> 64)} 
-    { 
-    } 
- 
-    template <bool IsSigned2 = IsSigned, typename std::enable_if_t<IsSigned2, bool> = false> 
-    constexpr TInteger128(const signed __int128 other) noexcept 
-        : Low_{static_cast<ui64>(other & ~ui64(0))} 
-        , High_{static_cast<ui64>(other >> 64)} 
-    { 
-    } 
-#endif 
- 
-#elif defined(_big_endian_) 
-    static_assert(false, "Big-endian will be later"); 
-#endif // _little_endian_ or _big_endian_ 
- 
-    constexpr TInteger128& operator=(const char other) noexcept { 
-        *this = TInteger128{other}; 
-        return *this; 
-    } 
- 
-    constexpr TInteger128& operator=(const ui8 other) noexcept { 
-        *this = TInteger128{other}; 
-        return *this; 
-    } 
- 
-    constexpr TInteger128& operator=(const ui16 other) noexcept { 
-        *this = TInteger128{other}; 
-        return *this; 
-    } 
- 
-    constexpr TInteger128& operator=(const ui32 other) noexcept { 
-        *this = TInteger128{other}; 
-        return *this; 
-    } 
- 
-    constexpr TInteger128& operator=(const ui64 other) noexcept { 
-        *this = TInteger128{other}; 
-        return *this; 
-    } 
- 
-#if defined(Y_HAVE_INT128) 
-    constexpr TInteger128& operator=(const unsigned __int128 other) noexcept { 
-        *this = TInteger128{other}; 
-        return *this; 
-    } 
-#endif 
- 
-    constexpr TInteger128& operator=(const i8 other) noexcept { 
-        *this = TInteger128{other}; 
-        return *this; 
-    } 
- 
-    constexpr TInteger128& operator=(const i16 other) noexcept { 
-        *this = TInteger128{other}; 
-        return *this; 
-    } 
- 
-    constexpr TInteger128& operator=(const i32 other) noexcept { 
-        *this = TInteger128{other}; 
-        return *this; 
-    } 
- 
-    constexpr TInteger128& operator=(const i64 other) noexcept { 
-        *this = TInteger128{other}; 
-        return *this; 
-    } 
- 
-#if defined(Y_HAVE_INT128) 
-    constexpr TInteger128& operator=(const signed __int128 other) noexcept { 
-        *this = TInteger128{other}; 
-        return *this; 
-    } 
-#endif // Y_HAVE_INT128 
- 
-    constexpr TInteger128& operator+=(const TInteger128 other) noexcept { 
-        return *this = *this + other; 
-    } 
- 
-    constexpr TInteger128& operator-=(const TInteger128 other) noexcept { 
-        return *this = *this - other; 
-    } 
- 
-    constexpr TInteger128& operator*=(const TInteger128 other) noexcept { 
-        return *this = *this * other; 
-    } 
- 
-    constexpr TInteger128& operator&=(const TInteger128 other) noexcept { 
-        return *this = *this & other; 
-    } 
- 
-    constexpr TInteger128& operator^=(const TInteger128 other) noexcept { 
+#pragma once
+
+#include "int128_util.h"
+
+#include <util/generic/bitops.h>
+#include <util/system/compiler.h>
+#include <util/system/defaults.h>
+#include <util/stream/output.h>
+#include <util/string/cast.h>
+#include <util/string/builder.h>
+#include <util/str_stl.h>
+#include <util/ysaveload.h>
+
+#include <cfenv>
+#include <climits>
+#include <cmath>
+#include <limits>
+#include <type_traits>
+
+#if !defined(_little_endian_) && !defined(_big_endian_)
+    static_assert(false, "Platform endianness is not supported");
+#endif
+
+template <bool IsSigned>
+class TInteger128 {
+public:
+    TInteger128() noexcept = default;
+
+#if defined(_little_endian_)
+    constexpr TInteger128(const ui64 high, const ui64 low) noexcept
+        : Low_(low)
+        , High_(high)
+    {
+    }
+#elif defined(_big_endian_)
+    constexpr TInteger128(const ui64 high, const ui64 low) noexcept
+        : High_(high)
+        , Low_(low)
+    {
+    }
+#endif
+
+    constexpr TInteger128(const TInteger128<!IsSigned> other) noexcept
+        : TInteger128{GetHigh(other), GetLow(other)}
+    {
+    }
+
+#if defined(_little_endian_)
+    constexpr TInteger128(const char other) noexcept
+        : Low_{static_cast<ui64>(other)}
+        , High_{0}
+    {
+    }
+
+    constexpr TInteger128(const ui8 other) noexcept
+        : Low_{other}
+        , High_{0}
+    {
+    }
+
+    constexpr TInteger128(const ui16 other) noexcept
+        : Low_{other}
+        , High_{0}
+    {
+    }
+
+    constexpr TInteger128(const ui32 other) noexcept
+        : Low_{other}
+        , High_{0}
+    {
+    }
+
+    constexpr TInteger128(const ui64 other) noexcept
+        : Low_{other}
+        , High_{0}
+    {
+    }
+
+#if defined(Y_HAVE_INT128)
+    constexpr TInteger128(const unsigned __int128 other) noexcept
+        : Low_{static_cast<ui64>(other & ~ui64{0})}
+        , High_{static_cast<ui64>(other >> 64)}
+    {
+    }
+#endif
+
+    constexpr TInteger128(const i8 other) noexcept
+        : Low_{static_cast<ui64>(other)}
+        , High_{other < 0 ? std::numeric_limits<ui64>::max() : 0}
+    {
+    }
+
+    constexpr TInteger128(const i16 other) noexcept
+        : Low_{static_cast<ui64>(other)}
+        , High_{other < 0 ? std::numeric_limits<ui64>::max() : 0}
+    {
+    }
+
+    constexpr TInteger128(const i32 other) noexcept
+        : Low_(static_cast<ui64>(other))
+        , High_{other < 0 ? std::numeric_limits<ui64>::max() : 0}
+    {
+    }
+
+    constexpr TInteger128(const i64 other) noexcept
+        : Low_(static_cast<ui64>(other))
+        , High_{other < 0 ? std::numeric_limits<ui64>::max() : 0}
+    {
+    }
+
+#if defined(Y_HAVE_INT128)
+    template <bool IsSigned2 = IsSigned, std::enable_if_t<!IsSigned2, bool> = false>
+    constexpr TInteger128(const signed __int128 other) noexcept
+        : Low_{static_cast<ui64>(other & ~ui64{0})}
+        , High_{static_cast<ui64>(static_cast<unsigned __int128>(other) >> 64)}
+    {
+    }
+
+    template <bool IsSigned2 = IsSigned, typename std::enable_if_t<IsSigned2, bool> = false>
+    constexpr TInteger128(const signed __int128 other) noexcept
+        : Low_{static_cast<ui64>(other & ~ui64(0))}
+        , High_{static_cast<ui64>(other >> 64)}
+    {
+    }
+#endif
+
+#elif defined(_big_endian_)
+    static_assert(false, "Big-endian will be later");
+#endif // _little_endian_ or _big_endian_
+
+    constexpr TInteger128& operator=(const char other) noexcept {
+        *this = TInteger128{other};
+        return *this;
+    }
+
+    constexpr TInteger128& operator=(const ui8 other) noexcept {
+        *this = TInteger128{other};
+        return *this;
+    }
+
+    constexpr TInteger128& operator=(const ui16 other) noexcept {
+        *this = TInteger128{other};
+        return *this;
+    }
+
+    constexpr TInteger128& operator=(const ui32 other) noexcept {
+        *this = TInteger128{other};
+        return *this;
+    }
+
+    constexpr TInteger128& operator=(const ui64 other) noexcept {
+        *this = TInteger128{other};
+        return *this;
+    }
+
+#if defined(Y_HAVE_INT128)
+    constexpr TInteger128& operator=(const unsigned __int128 other) noexcept {
+        *this = TInteger128{other};
+        return *this;
+    }
+#endif
+
+    constexpr TInteger128& operator=(const i8 other) noexcept {
+        *this = TInteger128{other};
+        return *this;
+    }
+
+    constexpr TInteger128& operator=(const i16 other) noexcept {
+        *this = TInteger128{other};
+        return *this;
+    }
+
+    constexpr TInteger128& operator=(const i32 other) noexcept {
+        *this = TInteger128{other};
+        return *this;
+    }
+
+    constexpr TInteger128& operator=(const i64 other) noexcept {
+        *this = TInteger128{other};
+        return *this;
+    }
+
+#if defined(Y_HAVE_INT128)
+    constexpr TInteger128& operator=(const signed __int128 other) noexcept {
+        *this = TInteger128{other};
+        return *this;
+    }
+#endif // Y_HAVE_INT128
+
+    constexpr TInteger128& operator+=(const TInteger128 other) noexcept {
+        return *this = *this + other;
+    }
+
+    constexpr TInteger128& operator-=(const TInteger128 other) noexcept {
+        return *this = *this - other;
+    }
+
+    constexpr TInteger128& operator*=(const TInteger128 other) noexcept {
+        return *this = *this * other;
+    }
+
+    constexpr TInteger128& operator&=(const TInteger128 other) noexcept {
+        return *this = *this & other;
+    }
+
+    constexpr TInteger128& operator^=(const TInteger128 other) noexcept {
         return *this = *this ^ other;
-    } 
- 
-    constexpr TInteger128& operator|=(const TInteger128 other) noexcept { 
-        return *this = *this | other; 
-    } 
- 
-    constexpr TInteger128& operator<<=(int n) noexcept { 
-        *this = *this << n; 
-        return *this; 
-    } 
- 
-    constexpr TInteger128& operator>>=(int n) noexcept { 
-        *this = *this >> n; 
-        return *this; 
-    } 
- 
-    constexpr TInteger128& operator++() noexcept { 
-        *this += 1; 
-        return *this; 
-    } 
- 
-    constexpr TInteger128 operator++(int) noexcept { 
-        const TInteger128 ret{*this}; 
-        this->operator++(); 
-        return ret; 
-    } 
- 
-    constexpr TInteger128& operator--() noexcept { 
-        *this -= 1; 
-        return *this; 
-    } 
- 
-    constexpr TInteger128 operator--(int) noexcept { 
-        const TInteger128 ret{*this}; 
-        this->operator--(); 
-        return ret; 
-    } 
- 
-    explicit constexpr operator bool() const noexcept { 
-        return Low_ || High_; 
-    } 
- 
-    explicit constexpr operator char() const noexcept { 
-        return static_cast<char>(Low_); 
-    } 
- 
-    explicit constexpr operator ui8() const noexcept { 
-        return static_cast<ui8>(Low_); 
-    } 
- 
-    explicit constexpr operator i8() const noexcept { 
-        return static_cast<i8>(Low_); 
-    } 
- 
-    explicit constexpr operator ui16() const noexcept { 
-        return static_cast<ui16>(Low_); 
-    } 
- 
-    explicit constexpr operator i16() const noexcept { 
-        return static_cast<i16>(Low_); 
-    } 
- 
-    explicit constexpr operator ui32() const noexcept { 
-        return static_cast<ui32>(Low_); 
-    } 
- 
-    explicit constexpr operator i32() const noexcept { 
-        return static_cast<i32>(Low_); 
-    } 
- 
-    explicit constexpr operator ui64() const noexcept { 
-        return static_cast<ui64>(Low_); 
-    } 
- 
-    explicit constexpr operator i64() const noexcept { 
-        return static_cast<i64>(Low_); 
-    } 
- 
-#if defined(Y_HAVE_INT128) 
-    explicit constexpr operator unsigned __int128() const noexcept { 
-        return (static_cast<unsigned __int128>(High_) << 64) + Low_; 
-    } 
- 
-    explicit constexpr operator signed __int128() const noexcept { 
-        return (static_cast<__int128>(High_) << 64) + Low_; 
-    } 
-#endif 
- 
-private: 
-#if defined(_little_endian_) 
-    ui64 Low_; 
-    ui64 High_; 
-#elif defined(_big_endian_) 
-    ui64 High_; 
-    ui64 Low_; 
-#endif 
-    template <bool IsSigned2> 
-    friend constexpr ui64 GetHigh(TInteger128<IsSigned2> value) noexcept; 
- 
-    template <bool IsSigned2> 
-    friend constexpr ui64 GetLow(TInteger128<IsSigned2> value) noexcept; 
- 
-    friend IOutputStream& operator<<(IOutputStream& out, const TInteger128& other); 
-}; // class TInteger128 
- 
-using ui128 = TInteger128<false>; 
-using i128 = TInteger128<true>; 
- 
-constexpr ui128 operator+(ui128 lhs, ui128 rhs) noexcept; 
-constexpr  i128 operator+( i128 lhs,  i128 rhs) noexcept; 
-constexpr ui128 operator-(ui128 lhs, ui128 rhs) noexcept; 
-constexpr  i128 operator-( i128 lhs,  i128 rhs) noexcept; 
-constexpr ui128 operator-(ui128 num) noexcept; 
-constexpr  i128 operator-( i128 num) noexcept; 
-constexpr ui128 operator*(ui128 lhs, ui128 rhs) noexcept; 
-constexpr  i128 operator*( i128 lhs,  i128 rhs) noexcept; 
-constexpr ui128 operator/(ui128 lhs, ui128 rhs) noexcept; 
-constexpr  i128 operator/( i128 lhs,  i128 rhs) noexcept; 
-constexpr ui128 operator%(ui128 lhs, ui128 rhs) noexcept; 
-constexpr  i128 operator%( i128 lhs,  i128 rhs) noexcept; 
-constexpr ui128 operator|(ui128 lhs, ui128 rhs) noexcept; 
-constexpr  i128 operator|( i128 lhs,  i128 rhs) noexcept; 
-constexpr ui128 operator&(ui128 lhs, ui128 rhs) noexcept; 
-constexpr  i128 operator&( i128 lhs,  i128 rhs) noexcept; 
-constexpr ui128 operator^(ui128 lhs, ui128 rhs) noexcept; 
-constexpr  i128 operator^( i128 lhs,  i128 rhs) noexcept; 
-constexpr ui128 operator<<(ui128 lhs, int n) noexcept; 
-constexpr  i128 operator<<( i128 lhs, int n) noexcept; 
-constexpr ui128 operator>>(ui128 lhs, int n) noexcept; 
-constexpr  i128 operator>>( i128 lhs, int n) noexcept; 
- 
-template <bool IsSigned> 
-size_t MostSignificantBit(const TInteger128<IsSigned> v); 
- 
-namespace std { 
-    //// type traits 
-    template <bool IsSigned> 
-    struct is_integral<TInteger128<IsSigned>> : public std::true_type{}; 
- 
-    template <bool IsSigned> 
-    struct is_class<TInteger128<IsSigned>> : public std::false_type{}; 
- 
-    template <> 
-    struct is_signed<ui128> : public std::false_type{}; 
- 
-    template <> 
-    struct is_signed<i128> : public std::true_type{}; 
-} 
- 
-template <bool IsSigned> 
-constexpr ui64 GetHigh(const TInteger128<IsSigned> value) noexcept { 
-    return value.High_; 
-} 
- 
-template <bool IsSigned> 
-constexpr ui64 GetLow(const TInteger128<IsSigned> value) noexcept { 
-    return value.Low_; 
-} 
- 
-template <class T, std::enable_if_t<std::is_same_v<std::remove_cv_t<T>, i128>>* = nullptr> 
-constexpr ui128 operator-(const ui128 lhs, const T rhs) noexcept { 
-    return lhs - static_cast<ui128>(rhs); 
-} 
- 
-template <class T, std::enable_if_t<std::is_same_v<std::remove_cv_t<T>, ui128>>* = nullptr> 
-constexpr ui128 operator-(const i128 lhs, const T rhs) noexcept { 
-    return static_cast<ui128>(lhs) - rhs; 
-} 
- 
-// specialize std templates 
-namespace std { 
-    // numeric limits 
-    // see full list at https://en.cppreference.com/w/cpp/types/numeric_limits 
-    template <bool IsSigned> 
-    struct numeric_limits<TInteger128<IsSigned>> { 
-        static constexpr bool is_specialized = true; 
-        static constexpr bool is_signed = IsSigned; 
-        static constexpr bool is_integer = true; 
-        static constexpr bool is_exact = true; 
-        static constexpr bool has_infinity = false; 
-        static constexpr bool has_quiet_NAN = false; 
-        static constexpr bool has_signaling_NAN = false; 
-        static constexpr float_denorm_style has_denorm = std::denorm_absent; 
-        static constexpr bool has_denorm_loss = false; 
-        static constexpr float_round_style round_style = std::round_toward_zero; 
-        static constexpr bool is_iec559 = false; 
-        static constexpr bool is_bounded = true; 
-        static constexpr bool is_modulo = true; 
-        static constexpr int digits = CHAR_BIT * sizeof(ui128) - (IsSigned ? 1 : 0); 
-        static constexpr int digits10 = 38; // std::numeric_limits<ui128>::digits * std::log10(2); 
-        static constexpr int max_digits10 = 0; 
-        static constexpr int radix = 2; 
-        static constexpr int min_exponent = 0; 
-        static constexpr int min_exponent10 = 0; 
-        static constexpr int max_exponent = 0; 
-        static constexpr int max_exponent10 = 0; 
-        static constexpr bool traps = std::numeric_limits<ui64>::traps; // same as of any other ui* 
-        static constexpr bool tinyness_before = false; 
- 
-        static constexpr TInteger128<IsSigned> min() noexcept { 
-            if constexpr (IsSigned) { 
-                return TInteger128<IsSigned>{ 
-                    static_cast<ui64>(std::numeric_limits<i64>::min()), 
-                    0 
-                }; 
-            } 
-            else { 
-                return 0; 
-            } 
-        } 
- 
-        static constexpr TInteger128<IsSigned> lowest() noexcept { 
-            return min(); 
-        } 
- 
-        static constexpr TInteger128<IsSigned> max() noexcept { 
-            if constexpr (IsSigned) { 
-                return TInteger128<IsSigned>{ 
-                    static_cast<ui64>(std::numeric_limits<i64>::max()), 
-                    std::numeric_limits<ui64>::max() 
-                }; 
-            } 
-            else { 
-                return TInteger128<IsSigned>{ 
-                    std::numeric_limits<ui64>::max(), 
-                    std::numeric_limits<ui64>::max() 
-                }; 
-            } 
-        } 
- 
-        static constexpr TInteger128<IsSigned> epsilon() noexcept { 
-            return 0; 
-        } 
- 
-        static constexpr TInteger128<IsSigned> round_error() noexcept { 
-            return 0; 
-        } 
- 
-        static constexpr TInteger128<IsSigned> infinity() noexcept { 
-            return 0; 
-        } 
- 
-        static constexpr TInteger128<IsSigned> quiet_NAN() noexcept { 
-            return 0; 
-        } 
- 
-        static constexpr TInteger128<IsSigned> signaling_NAN() noexcept { 
-            return 0; 
-        } 
- 
-        static constexpr TInteger128<IsSigned> denorm_min() noexcept { 
-            return 0; 
-        } 
-    }; 
- 
-    constexpr bool signbit(const ui128 arg) noexcept { 
-        Y_UNUSED(arg); 
-        return false; 
-    } 
- 
-    constexpr bool signbit(const i128 arg) noexcept { 
-        return GetHigh(arg) & 0x8000000000000000; 
-    } 
- 
-    constexpr ui128 abs(const ui128 arg) noexcept { 
-        return arg; 
-    } 
- 
-    constexpr i128 abs(const i128 arg) noexcept { 
-        return signbit(arg) ? (-arg) : arg; 
-    } 
-} 
- 
-constexpr bool operator==(const ui128 lhs, const ui128 rhs) noexcept { 
-    return GetLow(lhs) == GetLow(rhs) && GetHigh(lhs) == GetHigh(rhs); 
-} 
- 
-constexpr bool operator==(const i128 lhs, const i128 rhs) noexcept { 
-    return GetLow(lhs) == GetLow(rhs) && GetHigh(lhs) == GetHigh(rhs); 
-} 
- 
-constexpr bool operator!=(const ui128 lhs, const ui128 rhs) noexcept { 
-    return !(lhs == rhs); 
-} 
- 
-constexpr bool operator!=(const i128 lhs, const i128 rhs) noexcept { 
-    return !(lhs == rhs); 
-} 
- 
-constexpr bool operator<(const ui128 lhs, const ui128 rhs) noexcept { 
-    if (GetHigh(lhs) != GetHigh(rhs)) { 
-        return GetHigh(lhs) < GetHigh(rhs); 
-    } 
- 
-    return GetLow(lhs) < GetLow(rhs); 
-} 
- 
-constexpr bool operator<(const i128 lhs, const i128 rhs) noexcept { 
-    if (lhs == 0 && rhs == 0) { 
-        return false; 
-    } 
- 
-    const bool lhsIsNegative = std::signbit(lhs); 
-    const bool rhsIsNegative = std::signbit(rhs); 
- 
-    if (lhsIsNegative && !rhsIsNegative) { 
-        return true; 
-    } 
- 
-    if (!lhsIsNegative && rhsIsNegative) { 
-        return false; 
-    } 
- 
-    // both are negative or both are positive 
-    if (GetHigh(lhs) != GetHigh(rhs)) { 
-        return GetHigh(lhs) < GetHigh(rhs); 
-    } 
- 
-    return GetLow(lhs) < GetLow(rhs); 
-} 
- 
-constexpr bool operator>(const ui128 lhs, const ui128 rhs) noexcept { 
-    return rhs < lhs; 
-} 
- 
-constexpr bool operator>(const i128 lhs, const i128 rhs) noexcept { 
-    return rhs < lhs; 
-} 
- 
-constexpr bool operator<=(const ui128 lhs, const ui128 rhs) noexcept { 
-    return !(rhs < lhs); 
-} 
- 
-constexpr bool operator<=(const i128 lhs, const i128 rhs) noexcept { 
-    return !(rhs < lhs); 
-} 
- 
-constexpr bool operator>=(const ui128 lhs, const ui128 rhs) noexcept { 
-    return !(lhs < rhs); 
-} 
- 
-constexpr bool operator>=(const i128 lhs, const i128 rhs) noexcept { 
-    return !(lhs < rhs); 
-} 
- 
-constexpr ui128 operator+(const ui128 lhs, const ui128 rhs) noexcept { 
-    const ui128 result{GetHigh(lhs) + GetHigh(rhs), GetLow(lhs) + GetLow(rhs)}; 
-    if (GetLow(result) < GetLow(lhs)) { 
-        return ui128{GetHigh(result) + 1, GetLow(result)}; 
-    } 
-    return result; 
-} 
- 
-constexpr i128 operator+(const i128 lhs, const i128 rhs) noexcept { 
-    const i128 result{GetHigh(lhs) + GetHigh(rhs), GetLow(lhs) + GetLow(rhs)}; 
-    if (GetLow(result) < GetLow(lhs)) { 
-        return i128{GetHigh(result) + 1, GetLow(result)}; 
-    } 
-    return result; 
-} 
- 
-constexpr ui128 operator-(const ui128 lhs, const ui128 rhs) noexcept { 
-    const ui128 result{GetHigh(lhs) - GetHigh(rhs), GetLow(lhs) - GetLow(rhs)}; 
-    if (GetLow(result) > GetLow(lhs)) { // underflow 
-        return ui128{GetHigh(result) - 1, GetLow(result)}; 
-    } 
-    return result; 
-} 
- 
-constexpr i128 operator-(const i128 lhs, const i128 rhs) noexcept { 
-    const i128 result{GetHigh(lhs) - GetHigh(rhs), GetLow(lhs) - GetLow(rhs)}; 
-    if (GetLow(result) > GetLow(lhs)) { // underflow 
-        return i128{GetHigh(result) - 1, GetLow(result)}; 
-    } 
-    return result; 
-} 
- 
-constexpr ui128 operator-(const ui128 num) noexcept { 
-    const ui128 result{~GetHigh(num), ~GetLow(num) + 1}; 
-    if (GetLow(result) == 0) { 
-        return ui128{GetHigh(result) + 1, GetLow(result)}; 
-    } 
-    return result; 
-} 
- 
-constexpr i128 operator-(const i128 num) noexcept { 
-    const i128 result{~GetHigh(num), ~GetLow(num) + 1}; 
-    if (GetLow(result) == 0) { 
-        return i128{GetHigh(result) + 1, GetLow(result)}; 
-    } 
-    return result; 
-} 
- 
-constexpr ui128 operator*(const ui128 lhs, const ui128 rhs) noexcept { 
-    if (rhs == 0) { 
-        return 0; 
-    } 
-    if (rhs == 1) { 
-        return lhs; 
-    } 
- 
-    ui128 result{}; 
-    ui128 t = rhs; 
- 
-    for (size_t i = 0; i < 128; ++i) { 
-        if ((t & 1) != 0) { 
-            result += (lhs << i); 
-        } 
- 
-        t = t >> 1; 
-    } 
- 
-    return result; 
-} 
- 
-constexpr i128 operator*(const i128 lhs, const i128 rhs) noexcept { 
-    if (rhs == 0) { 
-        return 0; 
-    } 
-    if (rhs == 1) { 
-        return lhs; 
-    } 
- 
-    i128 result{}; 
-    i128 t = rhs; 
- 
-    for (size_t i = 0; i < 128; ++i) { 
-        if ((t & 1) != 0) { 
-            result += (lhs << i); 
-        } 
- 
-        t = t >> 1; 
-    } 
- 
-    return result; 
-} 
- 
-namespace NPrivateInt128 { 
-    // NOTE: division by zero is UB and can be changed in future 
-    constexpr void DivMod128(const ui128 lhs, const ui128 rhs, ui128* const quo, ui128* const rem) { 
-        if (!quo && !rem) { 
-            return; 
-        } 
- 
-        constexpr size_t n_udword_bits = sizeof(ui64) * CHAR_BIT; 
-        constexpr size_t n_utword_bits = sizeof(ui128) * CHAR_BIT; 
- 
-        ui128 q{}; 
-        ui128 r{}; 
- 
-        unsigned sr{}; 
- 
-        /* special cases, X is unknown, K != 0 */ 
-        if (GetHigh(lhs) == 0) 
-        { 
-            if (GetHigh(rhs) == 0) 
-            { 
-                /* 0 X 
-                 * --- 
-                 * 0 X 
-                 */ 
-                if (rem) { 
-                    *rem = GetLow(lhs) % GetLow(rhs); 
-                } 
-                if (quo) { 
-                    *quo = GetLow(lhs) / GetLow(rhs); 
-                } 
-                return; 
-            } 
-            /* 0 X 
-             * --- 
-             * K X 
-             */ 
-            if (rem) { 
-                *rem = GetLow(lhs); 
-            } 
-            if (quo) { 
-                *quo = 0; 
-            } 
-            return; 
-        } 
-        /* n.s.high != 0 */ 
-        if (GetLow(rhs) == 0) 
-        { 
-            if (GetHigh(rhs) == 0) 
-            { 
-                /* K X 
-                 * --- 
-                 * 0 0 
-                 */ 
-                if (rem) { 
-                    *rem = GetHigh(lhs) % GetLow(rhs); 
-                } 
-                if (quo) { 
-                    *quo = GetHigh(lhs) / GetLow(rhs); 
-                } 
-                return; 
-            } 
-            /* d.s.high != 0 */ 
-            if (GetLow(lhs) == 0) 
-            { 
-                /* K 0 
-                 * --- 
-                 * K 0 
-                 */ 
-                if (rem) { 
-                    *rem = ui128{GetHigh(lhs) % GetHigh(rhs), 0}; 
-                } 
-                if (quo) { 
-                    *quo = GetHigh(lhs) / GetHigh(rhs); 
-                } 
-                return; 
-            } 
-            /* K K 
-             * --- 
-             * K 0 
-             */ 
-            if ((GetHigh(rhs) & (GetHigh(rhs) - 1)) == 0)     /* if d is a power of 2 */ 
-            { 
-                if (rem) { 
-                    *rem = ui128{GetHigh(lhs) & (GetHigh(rhs) - 1), GetLow(lhs)}; 
-                } 
-                if (quo) { 
-                    *quo = GetHigh(lhs) >> CountLeadingZeroBits(GetHigh(rhs)); 
-                } 
-                return; 
-            } 
-            /* K K 
-             * --- 
-             * K 0 
-             */ 
-            sr = CountLeadingZeroBits(GetHigh(rhs)) - CountLeadingZeroBits(GetHigh(lhs)); 
-            /* 0 <= sr <= n_udword_bits - 2 or sr large */ 
-            if (sr > n_udword_bits - 2) 
-            { 
-                if (rem) { 
-                    *rem = lhs; 
-                } 
-                if (quo) { 
-                    *quo = 0; 
-                } 
-                return; 
-            } 
-            ++sr; 
-            /* 1 <= sr <= n_udword_bits - 1 */ 
-            /* q.all = n.all << (n_utword_bits - sr); */ 
-            q = ui128{ 
-                GetLow(lhs) << (n_udword_bits - sr), 
-                0 
-            }; 
-            r = ui128{ 
-                GetHigh(lhs) >> sr, 
-                (GetHigh(lhs) << (n_udword_bits - sr)) | (GetLow(lhs) >> sr) 
-            }; 
-        } 
-        else  /* d.s.low != 0 */ 
-        { 
-            if (GetHigh(rhs) == 0) 
-            { 
-                /* K X 
-                * --- 
-                * 0 K 
-                */ 
-                if ((GetLow(rhs) & (GetLow(rhs) - 1)) == 0)     /* if d is a power of 2 */ 
-                { 
-                    if (rem) { 
-                        *rem = ui128{0, GetLow(lhs) & (GetLow(rhs) - 1)}; 
-                    } 
-                    if (GetLow(rhs) == 1) { 
-                        if (quo) { 
-                            *quo = lhs; 
-                        } 
-                        return; 
-                    } 
-                    sr = CountTrailingZeroBits(GetLow(rhs)); 
-                    if (quo) { 
-                        *quo = ui128{ 
-                            GetHigh(lhs) >> sr, 
-                            (GetHigh(lhs) << (n_udword_bits - sr)) | (GetLow(lhs) >> sr) 
-                        }; 
-                        return; 
-                    } 
-                } 
-                /* K X 
-                * --- 
-                * 0 K 
-                */ 
-                sr = 1 + n_udword_bits + CountLeadingZeroBits(GetLow(rhs)) 
-                                    - CountLeadingZeroBits(GetHigh(lhs)); 
-                /* 2 <= sr <= n_utword_bits - 1 
-                * q.all = n.all << (n_utword_bits - sr); 
-                * r.all = n.all >> sr; 
-                */ 
-                if (sr == n_udword_bits) 
-                { 
-                    q = ui128{GetLow(lhs), 0}; 
-                    r = ui128{0, GetHigh(lhs)}; 
-                } 
-                else if (sr < n_udword_bits)  // 2 <= sr <= n_udword_bits - 1 
-                { 
-                    q = ui128{ 
-                        GetLow(lhs) << (n_udword_bits - sr), 
-                        0 
-                    }; 
-                    r = ui128{ 
-                        GetHigh(lhs) >> sr, 
-                        (GetHigh(lhs) << (n_udword_bits - sr)) | (GetLow(lhs) >> sr) 
-                    }; 
-                } 
-                else              // n_udword_bits + 1 <= sr <= n_utword_bits - 1 
-                { 
-                    q = ui128{ 
-                        (GetHigh(lhs) << (n_utword_bits - sr)) | (GetLow(lhs) >> (sr - n_udword_bits)), 
-                        GetLow(lhs) << (n_utword_bits - sr) 
-                    }; 
-                    r = ui128{ 
-                        0, 
-                        GetHigh(lhs) >> (sr - n_udword_bits) 
-                    }; 
-                } 
-            } 
-            else 
-            { 
-                /* K X 
-                * --- 
-                * K K 
-                */ 
-                sr = CountLeadingZeroBits(GetHigh(rhs)) - CountLeadingZeroBits(GetHigh(lhs)); 
-                /*0 <= sr <= n_udword_bits - 1 or sr large */ 
-                if (sr > n_udword_bits - 1) 
-                { 
-                    if (rem) { 
-                        *rem = lhs; 
-                    } 
-                    if (quo) { 
-                        *quo = 0; 
-                    } 
-                    return; 
-                } 
-                ++sr; 
-                /* 1 <= sr <= n_udword_bits 
-                * q.all = n.all << (n_utword_bits - sr); 
-                * r.all = n.all >> sr; 
-                */ 
-                if (sr == n_udword_bits) 
-                { 
-                    q = ui128{ 
-                        GetLow(lhs), 
-                        0 
-                    }; 
-                    r = ui128{ 
-                        0, 
-                        GetHigh(lhs) 
-                    }; 
-                } 
-                else 
-                { 
-                    r = ui128{ 
-                        GetHigh(lhs) >> sr, 
-                        (GetHigh(lhs) << (n_udword_bits - sr)) | (GetLow(lhs) >> sr) 
-                    }; 
-                    q = ui128{ 
-                        GetLow(lhs) << (n_udword_bits - sr), 
-                        0 
-                    }; 
-                } 
-            } 
-        } 
-        /* Not a special case 
-         * q and r are initialized with: 
-         * q = n << (128 - sr); 
-         * r = n >> sr; 
-         * 1 <= sr <= 128 - 1 
-         */ 
-        ui32 carry = 0; 
-        for (; sr > 0; --sr) 
-        { 
-            /* r:q = ((r:q)  << 1) | carry */ 
-            r = ui128{ 
-                (GetHigh(r) << 1) | (GetLow(r)  >> (n_udword_bits - 1)), 
-                (GetLow(r)  << 1) | (GetHigh(q) >> (n_udword_bits - 1)) 
-            }; 
-            q = ui128{ 
-                (GetHigh(q) << 1) | (GetLow(q)  >> (n_udword_bits - 1)), 
-                (GetLow(q)  << 1) | carry 
-            }; 
-            carry = 0; 
-            if (r >= rhs) { 
-                r -= rhs; 
-                carry = 1; 
-            } 
-        } 
-        q = (q << 1) | carry; 
-        if (rem) { 
-            *rem = r; 
-        } 
-        if (quo) { 
-            *quo = q; 
-        } 
-    } 
- 
-    struct TSignedDivisionResult { 
-        i128 Quotient; 
-        i128 Remainder; 
-    }; 
- 
-    constexpr TSignedDivisionResult Divide(i128 lhs, i128 rhs) noexcept; 
-} 
- 
-constexpr ui128 operator/(const ui128 lhs, const ui128 rhs) noexcept { 
-    ui128 quotient{}; 
-    NPrivateInt128::DivMod128(lhs, rhs, &quotient, nullptr); 
-    return quotient; 
-} 
- 
-constexpr i128 operator/(const i128 lhs, const i128 rhs) noexcept { 
-    i128 a = std::abs(lhs); 
-    i128 b = std::abs(rhs); 
- 
-    ui128 quotient{}; 
-    NPrivateInt128::DivMod128(a, b, &quotient, nullptr); 
-    if (std::signbit(lhs) ^ std::signbit(rhs)) { 
-        quotient = -quotient; 
-    } 
-    return quotient; 
-} 
- 
-constexpr ui128 operator%(const ui128 lhs, const ui128 rhs) noexcept { 
-    ui128 remainder{}; 
-    NPrivateInt128::DivMod128(lhs, rhs, nullptr, &remainder); 
-    return remainder; 
-} 
- 
-constexpr i128 operator%(const i128 lhs, const i128 rhs) noexcept { 
-    i128 a = std::abs(lhs); 
-    i128 b = std::abs(rhs); 
-    ui128 remainder{}; 
-    NPrivateInt128::DivMod128(a, b, nullptr, &remainder); 
-    if (std::signbit(lhs)) { 
-        remainder = -remainder; 
-    } 
-    return remainder; 
-} 
- 
-constexpr ui128 operator<<(const ui128 lhs, int n) noexcept { 
-    if (n < 64) { 
-        if (n != 0) { 
-            return 
-                ui128{ 
-                    (GetHigh(lhs) << n) | (GetLow(lhs) >> (64 - n)), 
-                    GetLow(lhs) << n 
-                }; 
-        } 
-        return lhs; 
-    } 
-    return ui128{GetLow(lhs) << (n - 64), 0}; 
-} 
- 
-constexpr ui128 operator>>(const ui128 lhs, int n) noexcept { 
-    if (n < 64) { 
-        if (n != 0) { 
-            return 
-                ui128{ 
-                    GetHigh(lhs) >> n, 
-                    (GetLow(lhs) >> n) | (GetHigh(lhs) << (64 - n)) 
-                }; 
-        } 
-        return lhs; 
-    } 
-    return ui128{0, GetHigh(lhs) >> (n - 64)}; 
-} 
- 
- 
-constexpr bool operator!(const ui128 num) noexcept { 
-    return !GetHigh(num) && !GetLow(num); 
-} 
- 
-constexpr ui128 operator~(const ui128 num) noexcept { 
-    return ui128{~GetHigh(num), ~GetLow(num)}; 
-} 
- 
-constexpr ui128 operator|(const ui128 lhs, const ui128 rhs) noexcept { 
-    return ui128{GetHigh(lhs) | GetHigh(rhs), GetLow(lhs) | GetLow(rhs)}; 
-} 
- 
-constexpr ui128 operator&(const ui128 lhs, const ui128 rhs) noexcept { 
-    return ui128{GetHigh(lhs) & GetHigh(rhs), GetLow(lhs) & GetLow(rhs)}; 
-} 
- 
-constexpr  ui128 operator^(const ui128 lhs, const ui128 rhs) noexcept { 
-    return ui128{GetHigh(lhs) ^ GetHigh(rhs), GetLow(lhs) ^ GetLow(rhs)}; 
-} 
- 
- 
-IOutputStream& operator<<(IOutputStream& out, const ui128& other); 
- 
-// For THashMap 
-template <> 
-struct THash<ui128> { 
-    inline size_t operator()(const ui128& num) const { 
-        return THash<ui64>()(GetHigh(num)) + THash<ui64>()(GetLow(num)); 
-    } 
-}; 
- 
-template <> 
-class TSerializer<ui128> { 
-public: 
-    static void Save(IOutputStream* out, const ui128& Number); 
-    static void Load(IInputStream* in, ui128& Number); 
-}; 
- 
-template <> 
-inline TString ToString<ui128>(const ui128& number) { 
-    return TStringBuilder{} << number; 
-} 
- 
-template <> 
-inline ui128 FromStringImpl<ui128>(const char* data, size_t length) { 
-    if (length < 20) { 
-        return ui128{ FromString<ui64>(data, length) }; 
-    } else { 
-        ui128 result = 0; 
-        const TStringBuf string(data, length); 
-        for (auto&& c : string) { 
-            if (!std::isdigit(c)) { 
+    }
+
+    constexpr TInteger128& operator|=(const TInteger128 other) noexcept {
+        return *this = *this | other;
+    }
+
+    constexpr TInteger128& operator<<=(int n) noexcept {
+        *this = *this << n;
+        return *this;
+    }
+
+    constexpr TInteger128& operator>>=(int n) noexcept {
+        *this = *this >> n;
+        return *this;
+    }
+
+    constexpr TInteger128& operator++() noexcept {
+        *this += 1;
+        return *this;
+    }
+
+    constexpr TInteger128 operator++(int) noexcept {
+        const TInteger128 ret{*this};
+        this->operator++();
+        return ret;
+    }
+
+    constexpr TInteger128& operator--() noexcept {
+        *this -= 1;
+        return *this;
+    }
+
+    constexpr TInteger128 operator--(int) noexcept {
+        const TInteger128 ret{*this};
+        this->operator--();
+        return ret;
+    }
+
+    explicit constexpr operator bool() const noexcept {
+        return Low_ || High_;
+    }
+
+    explicit constexpr operator char() const noexcept {
+        return static_cast<char>(Low_);
+    }
+
+    explicit constexpr operator ui8() const noexcept {
+        return static_cast<ui8>(Low_);
+    }
+
+    explicit constexpr operator i8() const noexcept {
+        return static_cast<i8>(Low_);
+    }
+
+    explicit constexpr operator ui16() const noexcept {
+        return static_cast<ui16>(Low_);
+    }
+
+    explicit constexpr operator i16() const noexcept {
+        return static_cast<i16>(Low_);
+    }
+
+    explicit constexpr operator ui32() const noexcept {
+        return static_cast<ui32>(Low_);
+    }
+
+    explicit constexpr operator i32() const noexcept {
+        return static_cast<i32>(Low_);
+    }
+
+    explicit constexpr operator ui64() const noexcept {
+        return static_cast<ui64>(Low_);
+    }
+
+    explicit constexpr operator i64() const noexcept {
+        return static_cast<i64>(Low_);
+    }
+
+#if defined(Y_HAVE_INT128)
+    explicit constexpr operator unsigned __int128() const noexcept {
+        return (static_cast<unsigned __int128>(High_) << 64) + Low_;
+    }
+
+    explicit constexpr operator signed __int128() const noexcept {
+        return (static_cast<__int128>(High_) << 64) + Low_;
+    }
+#endif
+
+private:
+#if defined(_little_endian_)
+    ui64 Low_;
+    ui64 High_;
+#elif defined(_big_endian_)
+    ui64 High_;
+    ui64 Low_;
+#endif
+    template <bool IsSigned2>
+    friend constexpr ui64 GetHigh(TInteger128<IsSigned2> value) noexcept;
+
+    template <bool IsSigned2>
+    friend constexpr ui64 GetLow(TInteger128<IsSigned2> value) noexcept;
+
+    friend IOutputStream& operator<<(IOutputStream& out, const TInteger128& other);
+}; // class TInteger128
+
+using ui128 = TInteger128<false>;
+using i128 = TInteger128<true>;
+
+constexpr ui128 operator+(ui128 lhs, ui128 rhs) noexcept;
+constexpr  i128 operator+( i128 lhs,  i128 rhs) noexcept;
+constexpr ui128 operator-(ui128 lhs, ui128 rhs) noexcept;
+constexpr  i128 operator-( i128 lhs,  i128 rhs) noexcept;
+constexpr ui128 operator-(ui128 num) noexcept;
+constexpr  i128 operator-( i128 num) noexcept;
+constexpr ui128 operator*(ui128 lhs, ui128 rhs) noexcept;
+constexpr  i128 operator*( i128 lhs,  i128 rhs) noexcept;
+constexpr ui128 operator/(ui128 lhs, ui128 rhs) noexcept;
+constexpr  i128 operator/( i128 lhs,  i128 rhs) noexcept;
+constexpr ui128 operator%(ui128 lhs, ui128 rhs) noexcept;
+constexpr  i128 operator%( i128 lhs,  i128 rhs) noexcept;
+constexpr ui128 operator|(ui128 lhs, ui128 rhs) noexcept;
+constexpr  i128 operator|( i128 lhs,  i128 rhs) noexcept;
+constexpr ui128 operator&(ui128 lhs, ui128 rhs) noexcept;
+constexpr  i128 operator&( i128 lhs,  i128 rhs) noexcept;
+constexpr ui128 operator^(ui128 lhs, ui128 rhs) noexcept;
+constexpr  i128 operator^( i128 lhs,  i128 rhs) noexcept;
+constexpr ui128 operator<<(ui128 lhs, int n) noexcept;
+constexpr  i128 operator<<( i128 lhs, int n) noexcept;
+constexpr ui128 operator>>(ui128 lhs, int n) noexcept;
+constexpr  i128 operator>>( i128 lhs, int n) noexcept;
+
+template <bool IsSigned>
+size_t MostSignificantBit(const TInteger128<IsSigned> v);
+
+namespace std {
+    //// type traits
+    template <bool IsSigned>
+    struct is_integral<TInteger128<IsSigned>> : public std::true_type{};
+
+    template <bool IsSigned>
+    struct is_class<TInteger128<IsSigned>> : public std::false_type{};
+
+    template <>
+    struct is_signed<ui128> : public std::false_type{};
+
+    template <>
+    struct is_signed<i128> : public std::true_type{};
+}
+
+template <bool IsSigned>
+constexpr ui64 GetHigh(const TInteger128<IsSigned> value) noexcept {
+    return value.High_;
+}
+
+template <bool IsSigned>
+constexpr ui64 GetLow(const TInteger128<IsSigned> value) noexcept {
+    return value.Low_;
+}
+
+template <class T, std::enable_if_t<std::is_same_v<std::remove_cv_t<T>, i128>>* = nullptr>
+constexpr ui128 operator-(const ui128 lhs, const T rhs) noexcept {
+    return lhs - static_cast<ui128>(rhs);
+}
+
+template <class T, std::enable_if_t<std::is_same_v<std::remove_cv_t<T>, ui128>>* = nullptr>
+constexpr ui128 operator-(const i128 lhs, const T rhs) noexcept {
+    return static_cast<ui128>(lhs) - rhs;
+}
+
+// specialize std templates
+namespace std {
+    // numeric limits
+    // see full list at https://en.cppreference.com/w/cpp/types/numeric_limits
+    template <bool IsSigned>
+    struct numeric_limits<TInteger128<IsSigned>> {
+        static constexpr bool is_specialized = true;
+        static constexpr bool is_signed = IsSigned;
+        static constexpr bool is_integer = true;
+        static constexpr bool is_exact = true;
+        static constexpr bool has_infinity = false;
+        static constexpr bool has_quiet_NAN = false;
+        static constexpr bool has_signaling_NAN = false;
+        static constexpr float_denorm_style has_denorm = std::denorm_absent;
+        static constexpr bool has_denorm_loss = false;
+        static constexpr float_round_style round_style = std::round_toward_zero;
+        static constexpr bool is_iec559 = false;
+        static constexpr bool is_bounded = true;
+        static constexpr bool is_modulo = true;
+        static constexpr int digits = CHAR_BIT * sizeof(ui128) - (IsSigned ? 1 : 0);
+        static constexpr int digits10 = 38; // std::numeric_limits<ui128>::digits * std::log10(2);
+        static constexpr int max_digits10 = 0;
+        static constexpr int radix = 2;
+        static constexpr int min_exponent = 0;
+        static constexpr int min_exponent10 = 0;
+        static constexpr int max_exponent = 0;
+        static constexpr int max_exponent10 = 0;
+        static constexpr bool traps = std::numeric_limits<ui64>::traps; // same as of any other ui*
+        static constexpr bool tinyness_before = false;
+
+        static constexpr TInteger128<IsSigned> min() noexcept {
+            if constexpr (IsSigned) {
+                return TInteger128<IsSigned>{
+                    static_cast<ui64>(std::numeric_limits<i64>::min()),
+                    0
+                };
+            }
+            else {
+                return 0;
+            }
+        }
+
+        static constexpr TInteger128<IsSigned> lowest() noexcept {
+            return min();
+        }
+
+        static constexpr TInteger128<IsSigned> max() noexcept {
+            if constexpr (IsSigned) {
+                return TInteger128<IsSigned>{
+                    static_cast<ui64>(std::numeric_limits<i64>::max()),
+                    std::numeric_limits<ui64>::max()
+                };
+            }
+            else {
+                return TInteger128<IsSigned>{
+                    std::numeric_limits<ui64>::max(),
+                    std::numeric_limits<ui64>::max()
+                };
+            }
+        }
+
+        static constexpr TInteger128<IsSigned> epsilon() noexcept {
+            return 0;
+        }
+
+        static constexpr TInteger128<IsSigned> round_error() noexcept {
+            return 0;
+        }
+
+        static constexpr TInteger128<IsSigned> infinity() noexcept {
+            return 0;
+        }
+
+        static constexpr TInteger128<IsSigned> quiet_NAN() noexcept {
+            return 0;
+        }
+
+        static constexpr TInteger128<IsSigned> signaling_NAN() noexcept {
+            return 0;
+        }
+
+        static constexpr TInteger128<IsSigned> denorm_min() noexcept {
+            return 0;
+        }
+    };
+
+    constexpr bool signbit(const ui128 arg) noexcept {
+        Y_UNUSED(arg);
+        return false;
+    }
+
+    constexpr bool signbit(const i128 arg) noexcept {
+        return GetHigh(arg) & 0x8000000000000000;
+    }
+
+    constexpr ui128 abs(const ui128 arg) noexcept {
+        return arg;
+    }
+
+    constexpr i128 abs(const i128 arg) noexcept {
+        return signbit(arg) ? (-arg) : arg;
+    }
+}
+
+constexpr bool operator==(const ui128 lhs, const ui128 rhs) noexcept {
+    return GetLow(lhs) == GetLow(rhs) && GetHigh(lhs) == GetHigh(rhs);
+}
+
+constexpr bool operator==(const i128 lhs, const i128 rhs) noexcept {
+    return GetLow(lhs) == GetLow(rhs) && GetHigh(lhs) == GetHigh(rhs);
+}
+
+constexpr bool operator!=(const ui128 lhs, const ui128 rhs) noexcept {
+    return !(lhs == rhs);
+}
+
+constexpr bool operator!=(const i128 lhs, const i128 rhs) noexcept {
+    return !(lhs == rhs);
+}
+
+constexpr bool operator<(const ui128 lhs, const ui128 rhs) noexcept {
+    if (GetHigh(lhs) != GetHigh(rhs)) {
+        return GetHigh(lhs) < GetHigh(rhs);
+    }
+
+    return GetLow(lhs) < GetLow(rhs);
+}
+
+constexpr bool operator<(const i128 lhs, const i128 rhs) noexcept {
+    if (lhs == 0 && rhs == 0) {
+        return false;
+    }
+
+    const bool lhsIsNegative = std::signbit(lhs);
+    const bool rhsIsNegative = std::signbit(rhs);
+
+    if (lhsIsNegative && !rhsIsNegative) {
+        return true;
+    }
+
+    if (!lhsIsNegative && rhsIsNegative) {
+        return false;
+    }
+
+    // both are negative or both are positive
+    if (GetHigh(lhs) != GetHigh(rhs)) {
+        return GetHigh(lhs) < GetHigh(rhs);
+    }
+
+    return GetLow(lhs) < GetLow(rhs);
+}
+
+constexpr bool operator>(const ui128 lhs, const ui128 rhs) noexcept {
+    return rhs < lhs;
+}
+
+constexpr bool operator>(const i128 lhs, const i128 rhs) noexcept {
+    return rhs < lhs;
+}
+
+constexpr bool operator<=(const ui128 lhs, const ui128 rhs) noexcept {
+    return !(rhs < lhs);
+}
+
+constexpr bool operator<=(const i128 lhs, const i128 rhs) noexcept {
+    return !(rhs < lhs);
+}
+
+constexpr bool operator>=(const ui128 lhs, const ui128 rhs) noexcept {
+    return !(lhs < rhs);
+}
+
+constexpr bool operator>=(const i128 lhs, const i128 rhs) noexcept {
+    return !(lhs < rhs);
+}
+
+constexpr ui128 operator+(const ui128 lhs, const ui128 rhs) noexcept {
+    const ui128 result{GetHigh(lhs) + GetHigh(rhs), GetLow(lhs) + GetLow(rhs)};
+    if (GetLow(result) < GetLow(lhs)) {
+        return ui128{GetHigh(result) + 1, GetLow(result)};
+    }
+    return result;
+}
+
+constexpr i128 operator+(const i128 lhs, const i128 rhs) noexcept {
+    const i128 result{GetHigh(lhs) + GetHigh(rhs), GetLow(lhs) + GetLow(rhs)};
+    if (GetLow(result) < GetLow(lhs)) {
+        return i128{GetHigh(result) + 1, GetLow(result)};
+    }
+    return result;
+}
+
+constexpr ui128 operator-(const ui128 lhs, const ui128 rhs) noexcept {
+    const ui128 result{GetHigh(lhs) - GetHigh(rhs), GetLow(lhs) - GetLow(rhs)};
+    if (GetLow(result) > GetLow(lhs)) { // underflow
+        return ui128{GetHigh(result) - 1, GetLow(result)};
+    }
+    return result;
+}
+
+constexpr i128 operator-(const i128 lhs, const i128 rhs) noexcept {
+    const i128 result{GetHigh(lhs) - GetHigh(rhs), GetLow(lhs) - GetLow(rhs)};
+    if (GetLow(result) > GetLow(lhs)) { // underflow
+        return i128{GetHigh(result) - 1, GetLow(result)};
+    }
+    return result;
+}
+
+constexpr ui128 operator-(const ui128 num) noexcept {
+    const ui128 result{~GetHigh(num), ~GetLow(num) + 1};
+    if (GetLow(result) == 0) {
+        return ui128{GetHigh(result) + 1, GetLow(result)};
+    }
+    return result;
+}
+
+constexpr i128 operator-(const i128 num) noexcept {
+    const i128 result{~GetHigh(num), ~GetLow(num) + 1};
+    if (GetLow(result) == 0) {
+        return i128{GetHigh(result) + 1, GetLow(result)};
+    }
+    return result;
+}
+
+constexpr ui128 operator*(const ui128 lhs, const ui128 rhs) noexcept {
+    if (rhs == 0) {
+        return 0;
+    }
+    if (rhs == 1) {
+        return lhs;
+    }
+
+    ui128 result{};
+    ui128 t = rhs;
+
+    for (size_t i = 0; i < 128; ++i) {
+        if ((t & 1) != 0) {
+            result += (lhs << i);
+        }
+
+        t = t >> 1;
+    }
+
+    return result;
+}
+
+constexpr i128 operator*(const i128 lhs, const i128 rhs) noexcept {
+    if (rhs == 0) {
+        return 0;
+    }
+    if (rhs == 1) {
+        return lhs;
+    }
+
+    i128 result{};
+    i128 t = rhs;
+
+    for (size_t i = 0; i < 128; ++i) {
+        if ((t & 1) != 0) {
+            result += (lhs << i);
+        }
+
+        t = t >> 1;
+    }
+
+    return result;
+}
+
+namespace NPrivateInt128 {
+    // NOTE: division by zero is UB and can be changed in future
+    constexpr void DivMod128(const ui128 lhs, const ui128 rhs, ui128* const quo, ui128* const rem) {
+        if (!quo && !rem) {
+            return;
+        }
+
+        constexpr size_t n_udword_bits = sizeof(ui64) * CHAR_BIT;
+        constexpr size_t n_utword_bits = sizeof(ui128) * CHAR_BIT;
+
+        ui128 q{};
+        ui128 r{};
+
+        unsigned sr{};
+
+        /* special cases, X is unknown, K != 0 */
+        if (GetHigh(lhs) == 0)
+        {
+            if (GetHigh(rhs) == 0)
+            {
+                /* 0 X
+                 * ---
+                 * 0 X
+                 */
+                if (rem) {
+                    *rem = GetLow(lhs) % GetLow(rhs);
+                }
+                if (quo) {
+                    *quo = GetLow(lhs) / GetLow(rhs);
+                }
+                return;
+            }
+            /* 0 X
+             * ---
+             * K X
+             */
+            if (rem) {
+                *rem = GetLow(lhs);
+            }
+            if (quo) {
+                *quo = 0;
+            }
+            return;
+        }
+        /* n.s.high != 0 */
+        if (GetLow(rhs) == 0)
+        {
+            if (GetHigh(rhs) == 0)
+            {
+                /* K X
+                 * ---
+                 * 0 0
+                 */
+                if (rem) {
+                    *rem = GetHigh(lhs) % GetLow(rhs);
+                }
+                if (quo) {
+                    *quo = GetHigh(lhs) / GetLow(rhs);
+                }
+                return;
+            }
+            /* d.s.high != 0 */
+            if (GetLow(lhs) == 0)
+            {
+                /* K 0
+                 * ---
+                 * K 0
+                 */
+                if (rem) {
+                    *rem = ui128{GetHigh(lhs) % GetHigh(rhs), 0};
+                }
+                if (quo) {
+                    *quo = GetHigh(lhs) / GetHigh(rhs);
+                }
+                return;
+            }
+            /* K K
+             * ---
+             * K 0
+             */
+            if ((GetHigh(rhs) & (GetHigh(rhs) - 1)) == 0)     /* if d is a power of 2 */
+            {
+                if (rem) {
+                    *rem = ui128{GetHigh(lhs) & (GetHigh(rhs) - 1), GetLow(lhs)};
+                }
+                if (quo) {
+                    *quo = GetHigh(lhs) >> CountLeadingZeroBits(GetHigh(rhs));
+                }
+                return;
+            }
+            /* K K
+             * ---
+             * K 0
+             */
+            sr = CountLeadingZeroBits(GetHigh(rhs)) - CountLeadingZeroBits(GetHigh(lhs));
+            /* 0 <= sr <= n_udword_bits - 2 or sr large */
+            if (sr > n_udword_bits - 2)
+            {
+                if (rem) {
+                    *rem = lhs;
+                }
+                if (quo) {
+                    *quo = 0;
+                }
+                return;
+            }
+            ++sr;
+            /* 1 <= sr <= n_udword_bits - 1 */
+            /* q.all = n.all << (n_utword_bits - sr); */
+            q = ui128{
+                GetLow(lhs) << (n_udword_bits - sr),
+                0
+            };
+            r = ui128{
+                GetHigh(lhs) >> sr,
+                (GetHigh(lhs) << (n_udword_bits - sr)) | (GetLow(lhs) >> sr)
+            };
+        }
+        else  /* d.s.low != 0 */
+        {
+            if (GetHigh(rhs) == 0)
+            {
+                /* K X
+                * ---
+                * 0 K
+                */
+                if ((GetLow(rhs) & (GetLow(rhs) - 1)) == 0)     /* if d is a power of 2 */
+                {
+                    if (rem) {
+                        *rem = ui128{0, GetLow(lhs) & (GetLow(rhs) - 1)};
+                    }
+                    if (GetLow(rhs) == 1) {
+                        if (quo) {
+                            *quo = lhs;
+                        }
+                        return;
+                    }
+                    sr = CountTrailingZeroBits(GetLow(rhs));
+                    if (quo) {
+                        *quo = ui128{
+                            GetHigh(lhs) >> sr,
+                            (GetHigh(lhs) << (n_udword_bits - sr)) | (GetLow(lhs) >> sr)
+                        };
+                        return;
+                    }
+                }
+                /* K X
+                * ---
+                * 0 K
+                */
+                sr = 1 + n_udword_bits + CountLeadingZeroBits(GetLow(rhs))
+                                    - CountLeadingZeroBits(GetHigh(lhs));
+                /* 2 <= sr <= n_utword_bits - 1
+                * q.all = n.all << (n_utword_bits - sr);
+                * r.all = n.all >> sr;
+                */
+                if (sr == n_udword_bits)
+                {
+                    q = ui128{GetLow(lhs), 0};
+                    r = ui128{0, GetHigh(lhs)};
+                }
+                else if (sr < n_udword_bits)  // 2 <= sr <= n_udword_bits - 1
+                {
+                    q = ui128{
+                        GetLow(lhs) << (n_udword_bits - sr),
+                        0
+                    };
+                    r = ui128{
+                        GetHigh(lhs) >> sr,
+                        (GetHigh(lhs) << (n_udword_bits - sr)) | (GetLow(lhs) >> sr)
+                    };
+                }
+                else              // n_udword_bits + 1 <= sr <= n_utword_bits - 1
+                {
+                    q = ui128{
+                        (GetHigh(lhs) << (n_utword_bits - sr)) | (GetLow(lhs) >> (sr - n_udword_bits)),
+                        GetLow(lhs) << (n_utword_bits - sr)
+                    };
+                    r = ui128{
+                        0,
+                        GetHigh(lhs) >> (sr - n_udword_bits)
+                    };
+                }
+            }
+            else
+            {
+                /* K X
+                * ---
+                * K K
+                */
+                sr = CountLeadingZeroBits(GetHigh(rhs)) - CountLeadingZeroBits(GetHigh(lhs));
+                /*0 <= sr <= n_udword_bits - 1 or sr large */
+                if (sr > n_udword_bits - 1)
+                {
+                    if (rem) {
+                        *rem = lhs;
+                    }
+                    if (quo) {
+                        *quo = 0;
+                    }
+                    return;
+                }
+                ++sr;
+                /* 1 <= sr <= n_udword_bits
+                * q.all = n.all << (n_utword_bits - sr);
+                * r.all = n.all >> sr;
+                */
+                if (sr == n_udword_bits)
+                {
+                    q = ui128{
+                        GetLow(lhs),
+                        0
+                    };
+                    r = ui128{
+                        0,
+                        GetHigh(lhs)
+                    };
+                }
+                else
+                {
+                    r = ui128{
+                        GetHigh(lhs) >> sr,
+                        (GetHigh(lhs) << (n_udword_bits - sr)) | (GetLow(lhs) >> sr)
+                    };
+                    q = ui128{
+                        GetLow(lhs) << (n_udword_bits - sr),
+                        0
+                    };
+                }
+            }
+        }
+        /* Not a special case
+         * q and r are initialized with:
+         * q = n << (128 - sr);
+         * r = n >> sr;
+         * 1 <= sr <= 128 - 1
+         */
+        ui32 carry = 0;
+        for (; sr > 0; --sr)
+        {
+            /* r:q = ((r:q)  << 1) | carry */
+            r = ui128{
+                (GetHigh(r) << 1) | (GetLow(r)  >> (n_udword_bits - 1)),
+                (GetLow(r)  << 1) | (GetHigh(q) >> (n_udword_bits - 1))
+            };
+            q = ui128{
+                (GetHigh(q) << 1) | (GetLow(q)  >> (n_udword_bits - 1)),
+                (GetLow(q)  << 1) | carry
+            };
+            carry = 0;
+            if (r >= rhs) {
+                r -= rhs;
+                carry = 1;
+            }
+        }
+        q = (q << 1) | carry;
+        if (rem) {
+            *rem = r;
+        }
+        if (quo) {
+            *quo = q;
+        }
+    }
+
+    struct TSignedDivisionResult {
+        i128 Quotient;
+        i128 Remainder;
+    };
+
+    constexpr TSignedDivisionResult Divide(i128 lhs, i128 rhs) noexcept;
+}
+
+constexpr ui128 operator/(const ui128 lhs, const ui128 rhs) noexcept {
+    ui128 quotient{};
+    NPrivateInt128::DivMod128(lhs, rhs, &quotient, nullptr);
+    return quotient;
+}
+
+constexpr i128 operator/(const i128 lhs, const i128 rhs) noexcept {
+    i128 a = std::abs(lhs);
+    i128 b = std::abs(rhs);
+
+    ui128 quotient{};
+    NPrivateInt128::DivMod128(a, b, &quotient, nullptr);
+    if (std::signbit(lhs) ^ std::signbit(rhs)) {
+        quotient = -quotient;
+    }
+    return quotient;
+}
+
+constexpr ui128 operator%(const ui128 lhs, const ui128 rhs) noexcept {
+    ui128 remainder{};
+    NPrivateInt128::DivMod128(lhs, rhs, nullptr, &remainder);
+    return remainder;
+}
+
+constexpr i128 operator%(const i128 lhs, const i128 rhs) noexcept {
+    i128 a = std::abs(lhs);
+    i128 b = std::abs(rhs);
+    ui128 remainder{};
+    NPrivateInt128::DivMod128(a, b, nullptr, &remainder);
+    if (std::signbit(lhs)) {
+        remainder = -remainder;
+    }
+    return remainder;
+}
+
+constexpr ui128 operator<<(const ui128 lhs, int n) noexcept {
+    if (n < 64) {
+        if (n != 0) {
+            return
+                ui128{
+                    (GetHigh(lhs) << n) | (GetLow(lhs) >> (64 - n)),
+                    GetLow(lhs) << n
+                };
+        }
+        return lhs;
+    }
+    return ui128{GetLow(lhs) << (n - 64), 0};
+}
+
+constexpr ui128 operator>>(const ui128 lhs, int n) noexcept {
+    if (n < 64) {
+        if (n != 0) {
+            return
+                ui128{
+                    GetHigh(lhs) >> n,
+                    (GetLow(lhs) >> n) | (GetHigh(lhs) << (64 - n))
+                };
+        }
+        return lhs;
+    }
+    return ui128{0, GetHigh(lhs) >> (n - 64)};
+}
+
+
+constexpr bool operator!(const ui128 num) noexcept {
+    return !GetHigh(num) && !GetLow(num);
+}
+
+constexpr ui128 operator~(const ui128 num) noexcept {
+    return ui128{~GetHigh(num), ~GetLow(num)};
+}
+
+constexpr ui128 operator|(const ui128 lhs, const ui128 rhs) noexcept {
+    return ui128{GetHigh(lhs) | GetHigh(rhs), GetLow(lhs) | GetLow(rhs)};
+}
+
+constexpr ui128 operator&(const ui128 lhs, const ui128 rhs) noexcept {
+    return ui128{GetHigh(lhs) & GetHigh(rhs), GetLow(lhs) & GetLow(rhs)};
+}
+
+constexpr  ui128 operator^(const ui128 lhs, const ui128 rhs) noexcept {
+    return ui128{GetHigh(lhs) ^ GetHigh(rhs), GetLow(lhs) ^ GetLow(rhs)};
+}
+
+
+IOutputStream& operator<<(IOutputStream& out, const ui128& other);
+
+// For THashMap
+template <>
+struct THash<ui128> {
+    inline size_t operator()(const ui128& num) const {
+        return THash<ui64>()(GetHigh(num)) + THash<ui64>()(GetLow(num));
+    }
+};
+
+template <>
+class TSerializer<ui128> {
+public:
+    static void Save(IOutputStream* out, const ui128& Number);
+    static void Load(IInputStream* in, ui128& Number);
+};
+
+template <>
+inline TString ToString<ui128>(const ui128& number) {
+    return TStringBuilder{} << number;
+}
+
+template <>
+inline ui128 FromStringImpl<ui128>(const char* data, size_t length) {
+    if (length < 20) {
+        return ui128{ FromString<ui64>(data, length) };
+    } else {
+        ui128 result = 0;
+        const TStringBuf string(data, length);
+        for (auto&& c : string) {
+            if (!std::isdigit(c)) {
                 ythrow TFromStringException() << "Unexpected symbol \""sv << c << "\""sv;
-            } 
- 
-            ui128 x1 = result; 
-            ui128 x2 = x1 + x1; 
-            ui128 x4 = x2 + x2; 
-            ui128 x8 = x4 + x4; 
-            ui128 x10 = x8 + x2; 
-            ui128 s = c - '0'; 
-            result = x10 + s; 
- 
-            if (GetHigh(result) < GetHigh(x1)) { 
+            }
+
+            ui128 x1 = result;
+            ui128 x2 = x1 + x1;
+            ui128 x4 = x2 + x2;
+            ui128 x8 = x4 + x4;
+            ui128 x10 = x8 + x2;
+            ui128 s = c - '0';
+            result = x10 + s;
+
+            if (GetHigh(result) < GetHigh(x1)) {
                 ythrow TFromStringException() << TStringBuf("Integer overflow");
-            } 
-        } 
- 
-        return result; 
-    } 
-} 
- 
-#if defined(Y_HAVE_INT128) 
-template <> 
-inline TString ToString<unsigned __int128>(const unsigned __int128& number) { 
-    return ToString(ui128{number}); 
-} 
- 
-template <> 
-inline unsigned __int128 FromStringImpl<unsigned __int128>(const char* data, size_t length) { 
-    return static_cast<unsigned __int128>(FromString<ui128>(data, length)); 
-} 
-#endif 
- 
-// operators 
- 
- 
-namespace NPrivateInt128 { 
-    // very naive algorithm of division 
-    // no contract for divide by zero (i.e. it is UB) (may be changed in future) 
-    constexpr TSignedDivisionResult Divide(i128 lhs, i128 rhs) noexcept { 
-        TSignedDivisionResult result {}; 
- 
-        // check trivial cases 
-        // X/0 = +/- inf, X%0 = X 
-        if (rhs == 0) { 
-            // UB, let's return: `X / 0 = +inf`, and `X % 0 = X` 
-            result.Quotient = std::signbit(lhs) ? std::numeric_limits<i128>::min() : std::numeric_limits<i128>::max(); 
-            result.Remainder = lhs; 
-        } 
- 
-        // 0/Y = 0, 0%Y = 0 
-        else if (lhs == 0) { 
-            result.Quotient = 0; 
-            result.Remainder = 0; 
-        } 
- 
-        // X/1 = X, X%1 = 0 
-        else if (rhs == 1) { 
-            result.Quotient = lhs; 
-            result.Remainder = 0; 
-        } 
- 
-        // X/-1 = -X, X%(-1) = 0 
-        else if (rhs == -1) { 
-            result.Quotient = -lhs; 
-            result.Remainder = 0; 
-        } 
- 
-        // abs(X)<abs(Y), X/Y = 0, X%Y = X 
-        else if (std::abs(lhs) < std::abs(rhs)) { 
-            result.Quotient = 0; 
-            result.Remainder = lhs; 
-        } 
- 
-        else if (lhs == rhs) { 
-            result.Quotient = 1; 
-            result.Remainder = 0; 
-        } 
- 
-        else if (lhs == -rhs) { 
-            result.Quotient = -1; 
-            result.Remainder = 0; 
-        } 
- 
-        else if (std::abs(lhs) > std::abs(rhs)) { 
-            const bool quotientMustBeNegative = std::signbit(lhs) ^ std::signbit(rhs); 
-            const bool remainderMustBeNegative = std::signbit(lhs); 
- 
-            lhs = std::abs(lhs); 
-            rhs = std::abs(rhs); 
- 
-            // result is division of two ui64 
-            if (GetHigh(lhs) == 0 && GetHigh(rhs) == 0) { 
-                result.Quotient = GetLow(lhs) / GetLow(rhs); 
-                result.Remainder = GetLow(lhs) % GetLow(rhs); 
-            } 
- 
-            // naive shift-and-subtract 
-            // https://stackoverflow.com/questions/5386377/division-without-using 
-            i128 denominator = rhs; 
-            result.Quotient = 0; 
-            result.Remainder = lhs; 
- 
-            const size_t shift = MostSignificantBit(lhs) - MostSignificantBit(denominator); 
-            denominator <<= shift; 
- 
-            for (size_t i = 0; i <= shift; ++i) { 
-                result.Quotient <<= 1; 
-                if (result.Remainder >= denominator) { 
-                    result.Remainder -= denominator; 
-                    result.Quotient |= 1; 
-                } 
-                denominator >>= 1; 
-            } 
- 
-            if (quotientMustBeNegative) { 
-                result.Quotient = -result.Quotient; 
-            } 
- 
-            if (remainderMustBeNegative) { 
-                result.Remainder = -result.Remainder; 
-            } 
-        } 
- 
-        return result; 
-    } 
-} // namespace NPrivateInt128 
- 
-constexpr i128 operator<<(const i128 lhs, int n) noexcept { 
-    if (n < 64) { 
-        if (n != 0) { 
-            return 
-                i128{ 
-                    (GetHigh(lhs) << n) | (GetLow(lhs) >> (64 - n)), 
-                    GetLow(lhs) << n 
-                }; 
-        } 
-        return lhs; 
-    } 
-    return i128{GetLow(lhs) << (n - 64), 0}; 
-} 
- 
-constexpr i128 operator>>(const i128 lhs, int n) noexcept { 
-    if (n < 64) { 
-        if (n != 0) { 
-            return 
-                i128{ 
-                    GetHigh(lhs) >> n, 
-                    (GetLow(lhs) >> n) | (GetHigh(lhs) << (64 - n)) 
-                }; 
-        } 
-        return lhs; 
-    } 
-    return i128{0, GetHigh(lhs) >> (n - 64)}; 
-} 
- 
-constexpr bool operator!(const i128 num) noexcept { 
-    return !GetHigh(num) && !GetLow(num); 
-} 
- 
-constexpr i128 operator~(const i128 num) noexcept { 
-    return i128{~GetHigh(num), ~GetLow(num)}; 
-} 
- 
-constexpr i128 operator|(const i128 lhs, const i128 rhs) noexcept { 
-    return i128{GetHigh(lhs) | GetHigh(rhs), GetLow(lhs) | GetLow(rhs)}; 
-} 
- 
-constexpr i128 operator&(const i128 lhs, const i128 rhs) noexcept { 
-    return i128{GetHigh(lhs) & GetHigh(rhs), GetLow(lhs) & GetLow(rhs)}; 
-} 
- 
-constexpr i128 operator^(const i128 lhs, const i128 rhs) noexcept { 
-    return i128{GetHigh(lhs) ^ GetHigh(rhs), GetLow(lhs) ^ GetLow(rhs)}; 
-} 
- 
- 
-IOutputStream& operator<<(IOutputStream& out, const i128& other); 
- 
-// For THashMap 
-template <> 
-struct THash<i128> { 
-    inline size_t operator()(const i128& num) const { 
-        return THash<ui64>()(GetHigh(num)) + THash<ui64>()(GetLow(num)); 
-    } 
-}; 
- 
-template <> 
-class TSerializer<i128> { 
-public: 
-    static void Save(IOutputStream* out, const i128& Number); 
-    static void Load(IInputStream* in, i128& Number); 
-}; 
- 
-template <> 
-inline TString ToString<i128>(const i128& number) { 
-    return TStringBuilder{} << number; 
-} 
- 
-template <> 
-inline i128 FromStringImpl<i128>(const char* data, size_t length) { 
-    if (length < 20) { 
-        return i128{ FromString<ui64>(data, length) }; 
-    } else { 
-        i128 result = 0; 
-        const TStringBuf string(data, length); 
-        for (auto&& c : string) { 
-            if (!std::isdigit(c)) { 
+            }
+        }
+
+        return result;
+    }
+}
+
+#if defined(Y_HAVE_INT128)
+template <>
+inline TString ToString<unsigned __int128>(const unsigned __int128& number) {
+    return ToString(ui128{number});
+}
+
+template <>
+inline unsigned __int128 FromStringImpl<unsigned __int128>(const char* data, size_t length) {
+    return static_cast<unsigned __int128>(FromString<ui128>(data, length));
+}
+#endif
+
+// operators
+
+
+namespace NPrivateInt128 {
+    // very naive algorithm of division
+    // no contract for divide by zero (i.e. it is UB) (may be changed in future)
+    constexpr TSignedDivisionResult Divide(i128 lhs, i128 rhs) noexcept {
+        TSignedDivisionResult result {};
+
+        // check trivial cases
+        // X/0 = +/- inf, X%0 = X
+        if (rhs == 0) {
+            // UB, let's return: `X / 0 = +inf`, and `X % 0 = X`
+            result.Quotient = std::signbit(lhs) ? std::numeric_limits<i128>::min() : std::numeric_limits<i128>::max();
+            result.Remainder = lhs;
+        }
+
+        // 0/Y = 0, 0%Y = 0
+        else if (lhs == 0) {
+            result.Quotient = 0;
+            result.Remainder = 0;
+        }
+
+        // X/1 = X, X%1 = 0
+        else if (rhs == 1) {
+            result.Quotient = lhs;
+            result.Remainder = 0;
+        }
+
+        // X/-1 = -X, X%(-1) = 0
+        else if (rhs == -1) {
+            result.Quotient = -lhs;
+            result.Remainder = 0;
+        }
+
+        // abs(X)<abs(Y), X/Y = 0, X%Y = X
+        else if (std::abs(lhs) < std::abs(rhs)) {
+            result.Quotient = 0;
+            result.Remainder = lhs;
+        }
+
+        else if (lhs == rhs) {
+            result.Quotient = 1;
+            result.Remainder = 0;
+        }
+
+        else if (lhs == -rhs) {
+            result.Quotient = -1;
+            result.Remainder = 0;
+        }
+
+        else if (std::abs(lhs) > std::abs(rhs)) {
+            const bool quotientMustBeNegative = std::signbit(lhs) ^ std::signbit(rhs);
+            const bool remainderMustBeNegative = std::signbit(lhs);
+
+            lhs = std::abs(lhs);
+            rhs = std::abs(rhs);
+
+            // result is division of two ui64
+            if (GetHigh(lhs) == 0 && GetHigh(rhs) == 0) {
+                result.Quotient = GetLow(lhs) / GetLow(rhs);
+                result.Remainder = GetLow(lhs) % GetLow(rhs);
+            }
+
+            // naive shift-and-subtract
+            // https://stackoverflow.com/questions/5386377/division-without-using
+            i128 denominator = rhs;
+            result.Quotient = 0;
+            result.Remainder = lhs;
+
+            const size_t shift = MostSignificantBit(lhs) - MostSignificantBit(denominator);
+            denominator <<= shift;
+
+            for (size_t i = 0; i <= shift; ++i) {
+                result.Quotient <<= 1;
+                if (result.Remainder >= denominator) {
+                    result.Remainder -= denominator;
+                    result.Quotient |= 1;
+                }
+                denominator >>= 1;
+            }
+
+            if (quotientMustBeNegative) {
+                result.Quotient = -result.Quotient;
+            }
+
+            if (remainderMustBeNegative) {
+                result.Remainder = -result.Remainder;
+            }
+        }
+
+        return result;
+    }
+} // namespace NPrivateInt128
+
+constexpr i128 operator<<(const i128 lhs, int n) noexcept {
+    if (n < 64) {
+        if (n != 0) {
+            return
+                i128{
+                    (GetHigh(lhs) << n) | (GetLow(lhs) >> (64 - n)),
+                    GetLow(lhs) << n
+                };
+        }
+        return lhs;
+    }
+    return i128{GetLow(lhs) << (n - 64), 0};
+}
+
+constexpr i128 operator>>(const i128 lhs, int n) noexcept {
+    if (n < 64) {
+        if (n != 0) {
+            return
+                i128{
+                    GetHigh(lhs) >> n,
+                    (GetLow(lhs) >> n) | (GetHigh(lhs) << (64 - n))
+                };
+        }
+        return lhs;
+    }
+    return i128{0, GetHigh(lhs) >> (n - 64)};
+}
+
+constexpr bool operator!(const i128 num) noexcept {
+    return !GetHigh(num) && !GetLow(num);
+}
+
+constexpr i128 operator~(const i128 num) noexcept {
+    return i128{~GetHigh(num), ~GetLow(num)};
+}
+
+constexpr i128 operator|(const i128 lhs, const i128 rhs) noexcept {
+    return i128{GetHigh(lhs) | GetHigh(rhs), GetLow(lhs) | GetLow(rhs)};
+}
+
+constexpr i128 operator&(const i128 lhs, const i128 rhs) noexcept {
+    return i128{GetHigh(lhs) & GetHigh(rhs), GetLow(lhs) & GetLow(rhs)};
+}
+
+constexpr i128 operator^(const i128 lhs, const i128 rhs) noexcept {
+    return i128{GetHigh(lhs) ^ GetHigh(rhs), GetLow(lhs) ^ GetLow(rhs)};
+}
+
+
+IOutputStream& operator<<(IOutputStream& out, const i128& other);
+
+// For THashMap
+template <>
+struct THash<i128> {
+    inline size_t operator()(const i128& num) const {
+        return THash<ui64>()(GetHigh(num)) + THash<ui64>()(GetLow(num));
+    }
+};
+
+template <>
+class TSerializer<i128> {
+public:
+    static void Save(IOutputStream* out, const i128& Number);
+    static void Load(IInputStream* in, i128& Number);
+};
+
+template <>
+inline TString ToString<i128>(const i128& number) {
+    return TStringBuilder{} << number;
+}
+
+template <>
+inline i128 FromStringImpl<i128>(const char* data, size_t length) {
+    if (length < 20) {
+        return i128{ FromString<ui64>(data, length) };
+    } else {
+        i128 result = 0;
+        const TStringBuf string(data, length);
+        for (auto&& c : string) {
+            if (!std::isdigit(c)) {
                 ythrow TFromStringException() << "Unexpected symbol \""sv << c << "\""sv;
-            } 
- 
-            i128 x1 = result; 
-            i128 x2 = x1 + x1; 
-            i128 x4 = x2 + x2; 
-            i128 x8 = x4 + x4; 
-            i128 x10 = x8 + x2; 
-            i128 s = c - '0'; 
-            result = x10 + s; 
- 
-            if (GetHigh(result) < GetHigh(x1)) { 
+            }
+
+            i128 x1 = result;
+            i128 x2 = x1 + x1;
+            i128 x4 = x2 + x2;
+            i128 x8 = x4 + x4;
+            i128 x10 = x8 + x2;
+            i128 s = c - '0';
+            result = x10 + s;
+
+            if (GetHigh(result) < GetHigh(x1)) {
                 ythrow TFromStringException() << TStringBuf("Integer overflow");
-            } 
-        } 
- 
-        return result; 
-    } 
-} 
- 
-#if defined(Y_HAVE_INT128) 
-template <> 
-inline TString ToString<signed __int128>(const signed __int128& number) { 
-    return ToString(i128{number}); 
-} 
- 
-template <> 
-inline signed __int128 FromStringImpl<signed __int128>(const char* data, size_t length) { 
-    return static_cast<signed __int128>(FromString<i128>(data, length)); 
-} 
-#endif 
- 
-template <bool IsSigned> 
-Y_FORCE_INLINE size_t MostSignificantBit(const TInteger128<IsSigned> v) { 
-    if (ui64 hi = GetHigh(v)) { 
-        return MostSignificantBit(hi) + 64; 
-    } 
-    return MostSignificantBit(GetLow(v)); 
-} 
+            }
+        }
+
+        return result;
+    }
+}
+
+#if defined(Y_HAVE_INT128)
+template <>
+inline TString ToString<signed __int128>(const signed __int128& number) {
+    return ToString(i128{number});
+}
+
+template <>
+inline signed __int128 FromStringImpl<signed __int128>(const char* data, size_t length) {
+    return static_cast<signed __int128>(FromString<i128>(data, length));
+}
+#endif
+
+template <bool IsSigned>
+Y_FORCE_INLINE size_t MostSignificantBit(const TInteger128<IsSigned> v) {
+    if (ui64 hi = GetHigh(v)) {
+        return MostSignificantBit(hi) + 64;
+    }
+    return MostSignificantBit(GetLow(v));
+}
diff --git a/library/cpp/int128/int128_common.h b/library/cpp/int128/int128_common.h
index 7ad6485b33..6f70f09bee 100644
--- a/library/cpp/int128/int128_common.h
+++ b/library/cpp/int128/int128_common.h
@@ -1 +1 @@
-#pragma once 
+#pragma once
diff --git a/library/cpp/int128/int128_util.h b/library/cpp/int128/int128_util.h
index b3208eaed3..7a5ca2c250 100644
--- a/library/cpp/int128/int128_util.h
+++ b/library/cpp/int128/int128_util.h
@@ -1,15 +1,15 @@
-#pragma once 
- 
-#include <util/generic/bitops.h> 
-#include <limits> 
- 
-namespace NPrivateInt128 { 
-    // will be moved to util/ later 
-    template <typename T> 
-    constexpr unsigned CountLeadingZeroBits(const T value) { 
-        if (value == 0) { 
-            return std::numeric_limits<std::make_unsigned_t<T>>::digits; 
-        } 
-        return std::numeric_limits<std::make_unsigned_t<T>>::digits - GetValueBitCount(value); 
-    } 
-} 
+#pragma once
+
+#include <util/generic/bitops.h>
+#include <limits>
+
+namespace NPrivateInt128 {
+    // will be moved to util/ later
+    template <typename T>
+    constexpr unsigned CountLeadingZeroBits(const T value) {
+        if (value == 0) {
+            return std::numeric_limits<std::make_unsigned_t<T>>::digits;
+        }
+        return std::numeric_limits<std::make_unsigned_t<T>>::digits - GetValueBitCount(value);
+    }
+}
diff --git a/library/cpp/int128/ut/.gitignore b/library/cpp/int128/ut/.gitignore
index 46c7056544..36abcb2a2c 100644
--- a/library/cpp/int128/ut/.gitignore
+++ b/library/cpp/int128/ut/.gitignore
@@ -1,2 +1,2 @@
-library-int128-ut 
- 
+library-int128-ut
+
diff --git a/library/cpp/int128/ut/i128_and_intrinsic_identity_ut.cpp b/library/cpp/int128/ut/i128_and_intrinsic_identity_ut.cpp
index c7de9b36c7..dbb7507a73 100644
--- a/library/cpp/int128/ut/i128_and_intrinsic_identity_ut.cpp
+++ b/library/cpp/int128/ut/i128_and_intrinsic_identity_ut.cpp
@@ -1,598 +1,598 @@
-#include "int128_ut_helpers.h" 
- 
+#include "int128_ut_helpers.h"
+
 #include <library/cpp/testing/unittest/registar.h>
- 
+
 #include <library/cpp/int128/int128.h>
- 
-#include <util/generic/cast.h> 
- 
-#include <array> 
-#include <type_traits> 
- 
-#if defined(Y_HAVE_INT128) 
-bool IsIdentical(const i128 a, const signed __int128 b) { 
-    const std::array<ui8, 16> arrayA = NInt128Private::GetAsArray(a); 
-    const std::array<ui8, 16> arrayB = NInt128Private::GetAsArray(b); 
-    return arrayA == arrayB; 
-} 
- 
-Y_UNIT_TEST_SUITE(i128_And_i8_BitwiseIdentity) { 
-    Y_UNIT_TEST(i128_from_i8_Zero) { 
-        i8 n = 0; 
-        i128 t1{n}; 
-        signed __int128 t2{n}; 
-        UNIT_ASSERT(IsIdentical(t1, t2)); 
-    } 
- 
-    Y_UNIT_TEST(i128_from_i8_Minus1) { 
-        i8 n = -1; 
-        i128 t1{n}; 
-        signed __int128 t2{n}; 
-        UNIT_ASSERT(IsIdentical(t1, t2)); 
-    } 
- 
-    Y_UNIT_TEST(i128_from_i8_Plus1) { 
-        i8 n = 1; 
-        i128 t1{n}; 
-        signed __int128 t2{n}; 
-        UNIT_ASSERT(IsIdentical(t1, t2)); 
-    } 
- 
-    Y_UNIT_TEST(i128_from_i8_Minus42) { 
-        i8 n = -42; 
-        i128 t1{n}; 
-        signed __int128 t2{n}; 
-        UNIT_ASSERT(IsIdentical(t1, t2)); 
-    } 
- 
-    Y_UNIT_TEST(i128_from_i8_Plus42) { 
-        i8 n = 42; 
-        i128 t1{n}; 
-        signed __int128 t2{n}; 
-        UNIT_ASSERT(IsIdentical(t1, t2)); 
-    } 
- 
-    Y_UNIT_TEST(i128_from_i8_Min) { 
-        i8 n = std::numeric_limits<i8>::min(); 
-        i128 t1{n}; 
-        signed __int128 t2{n}; 
-        UNIT_ASSERT(IsIdentical(t1, t2)); 
-    } 
- 
-    Y_UNIT_TEST(i128_from_i8_Max) { 
-        i8 n = std::numeric_limits<i8>::max(); 
-        i128 t1{n}; 
-        signed __int128 t2{n}; 
-        UNIT_ASSERT(IsIdentical(t1, t2)); 
-    } 
- 
-    Y_UNIT_TEST(i128_from_i8_MinPlus1) { 
-        i8 n = std::numeric_limits<i8>::min() + 1; 
-        i128 t1{n}; 
-        signed __int128 t2{n}; 
-        UNIT_ASSERT(IsIdentical(t1, t2)); 
-    } 
- 
-    Y_UNIT_TEST(i128_from_i8_MaxMinus1) { 
-        i8 n = std::numeric_limits<i8>::max() - 1; 
-        i128 t1{n}; 
-        signed __int128 t2{n}; 
-        UNIT_ASSERT(IsIdentical(t1, t2)); 
-    } 
-} 
- 
-Y_UNIT_TEST_SUITE(i128_And_i16_BitwiseIdentity) { 
-    Y_UNIT_TEST(i128_from_i16_Zero) { 
-        i16 n = 0; 
-        i128 t1{n}; 
-        signed __int128 t2{n}; 
-        UNIT_ASSERT(IsIdentical(t1, t2)); 
-    } 
- 
-    Y_UNIT_TEST(i128_from_i16_Minus1) { 
-        i16 n = -1; 
-        i128 t1{n}; 
-        signed __int128 t2{n}; 
-        UNIT_ASSERT(IsIdentical(t1, t2)); 
-    } 
- 
-    Y_UNIT_TEST(i128_from_i16_Plus1) { 
-        i16 n = 1; 
-        i128 t1{n}; 
-        signed __int128 t2{n}; 
-        UNIT_ASSERT(IsIdentical(t1, t2)); 
-    } 
- 
-    Y_UNIT_TEST(i128_from_i16_Minus42) { 
-        i16 n = -42; 
-        i128 t1{n}; 
-        signed __int128 t2{n}; 
-        UNIT_ASSERT(IsIdentical(t1, t2)); 
-    } 
- 
-    Y_UNIT_TEST(i128_from_i16_Plus42) { 
-        i16 n = 42; 
-        i128 t1{n}; 
-        signed __int128 t2{n}; 
-        UNIT_ASSERT(IsIdentical(t1, t2)); 
-    } 
- 
-    Y_UNIT_TEST(i128_from_i16_Min) { 
-        i16 n = std::numeric_limits<i16>::min(); 
-        i128 t1{n}; 
-        signed __int128 t2{n}; 
-        UNIT_ASSERT(IsIdentical(t1, t2)); 
-    } 
- 
-    Y_UNIT_TEST(i128_from_i16_Max) { 
-        i16 n = std::numeric_limits<i16>::max(); 
-        i128 t1{n}; 
-        signed __int128 t2{n}; 
-        UNIT_ASSERT(IsIdentical(t1, t2)); 
-    } 
- 
-    Y_UNIT_TEST(i128_from_i16_MinPlus1) { 
-        i16 n = std::numeric_limits<i16>::min() + 1; 
-        i128 t1{n}; 
-        signed __int128 t2{n}; 
-        UNIT_ASSERT(IsIdentical(t1, t2)); 
-    } 
- 
-    Y_UNIT_TEST(i128_from_i16_MaxMinus1) { 
-        i16 n = std::numeric_limits<i16>::max() - 1; 
-        i128 t1{n}; 
-        signed __int128 t2{n}; 
-        UNIT_ASSERT(IsIdentical(t1, t2)); 
-    } 
-} 
- 
-Y_UNIT_TEST_SUITE(i128_And_i32_BitwiseIdentity) { 
-    Y_UNIT_TEST(i128_from_i32_Zero) { 
-        i32 n = 0; 
-        i128 t1{n}; 
-        signed __int128 t2{n}; 
-        UNIT_ASSERT(IsIdentical(t1, t2)); 
-    } 
- 
-    Y_UNIT_TEST(i128_from_i32_Minus1) { 
-        i32 n = -1; 
-        i128 t1{n}; 
-        signed __int128 t2{n}; 
-        UNIT_ASSERT(IsIdentical(t1, t2)); 
-    } 
- 
-    Y_UNIT_TEST(i128_from_i32_Plus1) { 
-        i32 n = 1; 
-        i128 t1{n}; 
-        signed __int128 t2{n}; 
-        UNIT_ASSERT(IsIdentical(t1, t2)); 
-    } 
- 
-    Y_UNIT_TEST(i128_from_i32_Minus42) { 
-        i32 n = -42; 
-        i128 t1{n}; 
-        signed __int128 t2{n}; 
-        UNIT_ASSERT(IsIdentical(t1, t2)); 
-    } 
- 
-    Y_UNIT_TEST(i128_from_i32_Plus42) { 
-        i32 n = 42; 
-        i128 t1{n}; 
-        signed __int128 t2{n}; 
-        UNIT_ASSERT(IsIdentical(t1, t2)); 
-    } 
- 
-    Y_UNIT_TEST(i128_from_i32_Min) { 
-        i32 n = std::numeric_limits<i32>::min(); 
-        i128 t1{n}; 
-        signed __int128 t2{n}; 
-        UNIT_ASSERT(IsIdentical(t1, t2)); 
-    } 
- 
-    Y_UNIT_TEST(i128_from_i32_Max) { 
-        i32 n = std::numeric_limits<i32>::max(); 
-        i128 t1{n}; 
-        signed __int128 t2{n}; 
-        UNIT_ASSERT(IsIdentical(t1, t2)); 
-    } 
- 
-    Y_UNIT_TEST(i128_from_i32_MinPlus1) { 
-        i32 n = std::numeric_limits<i32>::min() + 1; 
-        i128 t1{n}; 
-        signed __int128 t2{n}; 
-        UNIT_ASSERT(IsIdentical(t1, t2)); 
-    } 
- 
-    Y_UNIT_TEST(i128_from_i32_MaxMinus1) { 
-        i32 n = std::numeric_limits<i32>::max() - 1; 
-        i128 t1{n}; 
-        signed __int128 t2{n}; 
-        UNIT_ASSERT(IsIdentical(t1, t2)); 
-    } 
-} 
- 
-Y_UNIT_TEST_SUITE(i128_And_i64_BitwiseIdentity) { 
-    Y_UNIT_TEST(i128_from_i64_Zero) { 
-        i64 n = 0; 
-        i128 t1{n}; 
-        signed __int128 t2{n}; 
-        UNIT_ASSERT(IsIdentical(t1, t2)); 
-    } 
- 
-    Y_UNIT_TEST(i128_from_i64_Minus1) { 
-        i64 n = -1; 
-        i128 t1{n}; 
-        signed __int128 t2{n}; 
-        UNIT_ASSERT(IsIdentical(t1, t2)); 
-    } 
- 
-    Y_UNIT_TEST(i128_from_i64_Plus1) { 
-        i64 n = 1; 
-        i128 t1{n}; 
-        signed __int128 t2{n}; 
-        UNIT_ASSERT(IsIdentical(t1, t2)); 
-    } 
- 
-    Y_UNIT_TEST(i128_from_i64_Minus42) { 
-        i64 n = -42; 
-        i128 t1{n}; 
-        signed __int128 t2{n}; 
-        UNIT_ASSERT(IsIdentical(t1, t2)); 
-    } 
- 
-    Y_UNIT_TEST(i128_from_i64_Plus42) { 
-        i64 n = 42; 
-        i128 t1{n}; 
-        signed __int128 t2{n}; 
-        UNIT_ASSERT(IsIdentical(t1, t2)); 
-    } 
- 
-    Y_UNIT_TEST(i128_from_i64_Min) { 
-        i64 n = std::numeric_limits<i64>::min(); 
-        i128 t1{n}; 
-        signed __int128 t2{n}; 
-        UNIT_ASSERT(IsIdentical(t1, t2)); 
-    } 
- 
-    Y_UNIT_TEST(i128_from_i64_Max) { 
-        i64 n = std::numeric_limits<i64>::max(); 
-        i128 t1{n}; 
-        signed __int128 t2{n}; 
-        UNIT_ASSERT(IsIdentical(t1, t2)); 
-    } 
- 
-    Y_UNIT_TEST(i128_from_i64_MinPlus1) { 
-        i64 n = std::numeric_limits<i64>::min() + 1; 
-        i128 t1{n}; 
-        signed __int128 t2{n}; 
-        UNIT_ASSERT(IsIdentical(t1, t2)); 
-    } 
- 
-    Y_UNIT_TEST(i128_from_i64_MaxMinus1) { 
-        i64 n = std::numeric_limits<i64>::max() - 1; 
-        i128 t1{n}; 
-        signed __int128 t2{n}; 
-        UNIT_ASSERT(IsIdentical(t1, t2)); 
-    } 
-} 
- 
-Y_UNIT_TEST_SUITE(i128_And_signed_int128_BitwiseIdentity) { 
-    Y_UNIT_TEST(i128_from_signed_int128_Zero) { 
-        signed __int128 n = 0; 
-        i128 t1{n}; 
-        signed __int128 t2{n}; 
-        UNIT_ASSERT(IsIdentical(t1, t2)); 
-    } 
- 
-    Y_UNIT_TEST(i128_from_signed_int128_Minus1) { 
-        signed __int128 n = -1; 
-        i128 t1{n}; 
-        signed __int128 t2{n}; 
-        UNIT_ASSERT(IsIdentical(t1, t2)); 
-    } 
- 
-    Y_UNIT_TEST(i128_from_signed_int128_Plus1) { 
-        signed __int128 n = 1; 
-        i128 t1{n}; 
-        signed __int128 t2{n}; 
-        UNIT_ASSERT(IsIdentical(t1, t2)); 
-    } 
- 
-    Y_UNIT_TEST(i128_from_signed_int128_Minus42) { 
-        signed __int128 n = -42; 
-        i128 t1{n}; 
-        signed __int128 t2{n}; 
-        UNIT_ASSERT(IsIdentical(t1, t2)); 
-    } 
- 
-    Y_UNIT_TEST(i128_from_signed_int128_Plus42) { 
-        signed __int128 n = 42; 
-        i128 t1{n}; 
-        signed __int128 t2{n}; 
-        UNIT_ASSERT(IsIdentical(t1, t2)); 
-    } 
- 
-    Y_UNIT_TEST(i128_from_signed_int128_Min) { 
-        signed __int128 n = std::numeric_limits<signed __int128>::min(); 
-        i128 t1{n}; 
-        signed __int128 t2{n}; 
-        UNIT_ASSERT(IsIdentical(t1, t2)); 
-    } 
- 
-    Y_UNIT_TEST(i128_from_signed_int128_Max) { 
-        signed __int128 n = std::numeric_limits<signed __int128>::max(); 
-        i128 t1{n}; 
-        signed __int128 t2{n}; 
-        UNIT_ASSERT(IsIdentical(t1, t2)); 
-    } 
- 
-    Y_UNIT_TEST(i128_from_signed_int128_MinPlus1) { 
-        signed __int128 n = std::numeric_limits<signed __int128>::min() + 1; 
-        i128 t1{n}; 
-        signed __int128 t2{n}; 
-        UNIT_ASSERT(IsIdentical(t1, t2)); 
-    } 
- 
-    Y_UNIT_TEST(i128_from_signed_int128_MaxMinus1) { 
-        signed __int128 n = std::numeric_limits<signed __int128>::max() - 1; 
-        i128 t1{n}; 
-        signed __int128 t2{n}; 
-        UNIT_ASSERT(IsIdentical(t1, t2)); 
-    } 
-} 
- 
-Y_UNIT_TEST_SUITE(i128_And_ui8_BitwiseIdentity) { 
-    Y_UNIT_TEST(i128_from_ui8_Zero) { 
-        ui8 n = 0; 
-        i128 t1{n}; 
-        signed __int128 t2{n}; 
-        UNIT_ASSERT(IsIdentical(t1, t2)); 
-    } 
- 
-    Y_UNIT_TEST(i128_from_ui8_Plus1) { 
-        ui8 n = 1; 
-        i128 t1{n}; 
-        signed __int128 t2{n}; 
-        UNIT_ASSERT(IsIdentical(t1, t2)); 
-    } 
- 
-    Y_UNIT_TEST(i128_from_ui8_Plus42) { 
-        ui8 n = 42; 
-        i128 t1{n}; 
-        signed __int128 t2{n}; 
-        UNIT_ASSERT(IsIdentical(t1, t2)); 
-    } 
- 
-    Y_UNIT_TEST(i128_from_ui8_Min) { 
-        ui8 n = std::numeric_limits<i8>::min(); 
-        i128 t1{n}; 
-        signed __int128 t2{n}; 
-        UNIT_ASSERT(IsIdentical(t1, t2)); 
-    } 
- 
-    Y_UNIT_TEST(i128_from_ui8_Max) { 
-        ui8 n = std::numeric_limits<i8>::max(); 
-        i128 t1{n}; 
-        signed __int128 t2{n}; 
-        UNIT_ASSERT(IsIdentical(t1, t2)); 
-    } 
- 
-    Y_UNIT_TEST(i128_from_ui8_MinPlus1) { 
-        ui8 n = std::numeric_limits<i8>::min() + 1; 
-        i128 t1{n}; 
-        signed __int128 t2{n}; 
-        UNIT_ASSERT(IsIdentical(t1, t2)); 
-    } 
- 
-    Y_UNIT_TEST(i128_from_ui8_MaxMinus1) { 
-        ui8 n = std::numeric_limits<i8>::max() - 1; 
-        i128 t1{n}; 
-        signed __int128 t2{n}; 
-        UNIT_ASSERT(IsIdentical(t1, t2)); 
-    } 
-} 
- 
-Y_UNIT_TEST_SUITE(i128_And_ui16_BitwiseIdentity) { 
-    Y_UNIT_TEST(i128_from_ui16_Zero) { 
-        ui16 n = 0; 
-        i128 t1{n}; 
-        signed __int128 t2{n}; 
-        UNIT_ASSERT(IsIdentical(t1, t2)); 
-    } 
- 
-    Y_UNIT_TEST(i128_from_ui16_Plus1) { 
-        ui16 n = 1; 
-        i128 t1{n}; 
-        signed __int128 t2{n}; 
-        UNIT_ASSERT(IsIdentical(t1, t2)); 
-    } 
- 
-    Y_UNIT_TEST(i128_from_ui16_Plus42) { 
-        ui16 n = 42; 
-        i128 t1{n}; 
-        signed __int128 t2{n}; 
-        UNIT_ASSERT(IsIdentical(t1, t2)); 
-    } 
- 
-    Y_UNIT_TEST(i128_from_ui16_Min) { 
-        ui16 n = std::numeric_limits<i8>::min(); 
-        i128 t1{n}; 
-        signed __int128 t2{n}; 
-        UNIT_ASSERT(IsIdentical(t1, t2)); 
-    } 
- 
-    Y_UNIT_TEST(i128_from_ui16_Max) { 
-        ui16 n = std::numeric_limits<i8>::max(); 
-        i128 t1{n}; 
-        signed __int128 t2{n}; 
-        UNIT_ASSERT(IsIdentical(t1, t2)); 
-    } 
- 
-    Y_UNIT_TEST(i128_from_ui16_MinPlus1) { 
-        ui16 n = std::numeric_limits<i8>::min() + 1; 
-        i128 t1{n}; 
-        signed __int128 t2{n}; 
-        UNIT_ASSERT(IsIdentical(t1, t2)); 
-    } 
- 
-    Y_UNIT_TEST(i128_from_ui16_MaxMinus1) { 
-        ui16 n = std::numeric_limits<i8>::max() - 1; 
-        i128 t1{n}; 
-        signed __int128 t2{n}; 
-        UNIT_ASSERT(IsIdentical(t1, t2)); 
-    } 
-} 
- 
-Y_UNIT_TEST_SUITE(i128_And_ui32_BitwiseIdentity) { 
-    Y_UNIT_TEST(i128_from_ui32_Zero) { 
-        ui32 n = 0; 
-        i128 t1{n}; 
-        signed __int128 t2{n}; 
-        UNIT_ASSERT(IsIdentical(t1, t2)); 
-    } 
- 
-    Y_UNIT_TEST(i128_from_ui32_Plus1) { 
-        ui32 n = 1; 
-        i128 t1{n}; 
-        signed __int128 t2{n}; 
-        UNIT_ASSERT(IsIdentical(t1, t2)); 
-    } 
- 
-    Y_UNIT_TEST(i128_from_ui32_Plus42) { 
-        ui32 n = 42; 
-        i128 t1{n}; 
-        signed __int128 t2{n}; 
-        UNIT_ASSERT(IsIdentical(t1, t2)); 
-    } 
- 
-    Y_UNIT_TEST(i128_from_ui32_Min) { 
-        ui32 n = std::numeric_limits<i8>::min(); 
-        i128 t1{n}; 
-        signed __int128 t2{n}; 
-        UNIT_ASSERT(IsIdentical(t1, t2)); 
-    } 
- 
-    Y_UNIT_TEST(i128_from_ui32_Max) { 
-        ui32 n = std::numeric_limits<i8>::max(); 
-        i128 t1{n}; 
-        signed __int128 t2{n}; 
-        UNIT_ASSERT(IsIdentical(t1, t2)); 
-    } 
- 
-    Y_UNIT_TEST(i128_from_ui32_MinPlus1) { 
-        ui32 n = std::numeric_limits<i8>::min() + 1; 
-        i128 t1{n}; 
-        signed __int128 t2{n}; 
-        UNIT_ASSERT(IsIdentical(t1, t2)); 
-    } 
- 
-    Y_UNIT_TEST(i128_from_ui32_MaxMinus1) { 
-        ui32 n = std::numeric_limits<i8>::max() - 1; 
-        i128 t1{n}; 
-        signed __int128 t2{n}; 
-        UNIT_ASSERT(IsIdentical(t1, t2)); 
-    } 
-} 
- 
-Y_UNIT_TEST_SUITE(i128_And_ui64_BitwiseIdentity) { 
-    Y_UNIT_TEST(i128_from_ui64_Zero) { 
-        ui64 n = 0; 
-        i128 t1{n}; 
-        signed __int128 t2{n}; 
-        UNIT_ASSERT(IsIdentical(t1, t2)); 
-    } 
- 
-    Y_UNIT_TEST(i128_from_ui64_Plus1) { 
-        ui64 n = 1; 
-        i128 t1{n}; 
-        signed __int128 t2{n}; 
-        UNIT_ASSERT(IsIdentical(t1, t2)); 
-    } 
- 
-    Y_UNIT_TEST(i128_from_ui64_Plus42) { 
-        ui64 n = 42; 
-        i128 t1{n}; 
-        signed __int128 t2{n}; 
-        UNIT_ASSERT(IsIdentical(t1, t2)); 
-    } 
- 
-    Y_UNIT_TEST(i128_from_ui64_Min) { 
-        ui64 n = std::numeric_limits<i8>::min(); 
-        i128 t1{n}; 
-        signed __int128 t2{n}; 
-        UNIT_ASSERT(IsIdentical(t1, t2)); 
-    } 
- 
-    Y_UNIT_TEST(i128_from_ui64_Max) { 
-        ui64 n = std::numeric_limits<i8>::max(); 
-        i128 t1{n}; 
-        signed __int128 t2{n}; 
-        UNIT_ASSERT(IsIdentical(t1, t2)); 
-    } 
- 
-    Y_UNIT_TEST(i128_from_ui64_MinPlus1) { 
-        ui64 n = std::numeric_limits<i8>::min() + 1; 
-        i128 t1{n}; 
-        signed __int128 t2{n}; 
-        UNIT_ASSERT(IsIdentical(t1, t2)); 
-    } 
- 
-    Y_UNIT_TEST(i128_from_ui64_MaxMinus1) { 
-        ui64 n = std::numeric_limits<i8>::max() - 1; 
-        i128 t1{n}; 
-        signed __int128 t2{n}; 
-        UNIT_ASSERT(IsIdentical(t1, t2)); 
-    } 
-} 
- 
-Y_UNIT_TEST_SUITE(i128_And_unsigned_int128_BitwiseIdentity) { 
-    Y_UNIT_TEST(i128_from_unsigned_int128_Zero) { 
-        unsigned __int128 n = 0; 
-        i128 t1{n}; 
-        signed __int128 t2 = static_cast<signed __int128>(n); 
-        UNIT_ASSERT(IsIdentical(t1, t2)); 
-    } 
- 
-    Y_UNIT_TEST(i128_from_unsigned_int128_Plus1) { 
-        unsigned __int128 n = 1; 
-        i128 t1{n}; 
-        signed __int128 t2 = static_cast<signed __int128>(n); 
-        UNIT_ASSERT(IsIdentical(t1, t2)); 
-    } 
- 
-    Y_UNIT_TEST(i128_from_unsigned_int128_Plus42) { 
-        unsigned __int128 n = 42; 
-        i128 t1{n}; 
-        signed __int128 t2 = static_cast<signed __int128>(n); 
-        UNIT_ASSERT(IsIdentical(t1, t2)); 
-    } 
- 
-    Y_UNIT_TEST(i128_from_unsigned_int128_Min) { 
-        unsigned __int128 n = std::numeric_limits<i8>::min(); 
-        i128 t1{n}; 
-        signed __int128 t2 = static_cast<signed __int128>(n); 
-        UNIT_ASSERT(IsIdentical(t1, t2)); 
-    } 
- 
-    Y_UNIT_TEST(i128_from_unsigned_int128_Max) { 
-        unsigned __int128 n = std::numeric_limits<i8>::max(); 
-        i128 t1{n}; 
-        signed __int128 t2 = static_cast<signed __int128>(n); 
-        UNIT_ASSERT(IsIdentical(t1, t2)); 
-    } 
- 
-    Y_UNIT_TEST(i128_from_unsigned_int128_MinPlus1) { 
-        unsigned __int128 n = std::numeric_limits<i8>::min() + 1; 
-        i128 t1{n}; 
-        signed __int128 t2 = static_cast<signed __int128>(n); 
-        UNIT_ASSERT(IsIdentical(t1, t2)); 
-    } 
- 
-    Y_UNIT_TEST(i128_from_unsigned_int128_MaxMinus1) { 
-        unsigned __int128 n = std::numeric_limits<i8>::max() - 1; 
-        i128 t1{n}; 
-        signed __int128 t2 = static_cast<signed __int128>(n); 
-        UNIT_ASSERT(IsIdentical(t1, t2)); 
-    } 
-} 
-#endif 
+
+#include <util/generic/cast.h>
+
+#include <array>
+#include <type_traits>
+
+#if defined(Y_HAVE_INT128)
+bool IsIdentical(const i128 a, const signed __int128 b) {
+    const std::array<ui8, 16> arrayA = NInt128Private::GetAsArray(a);
+    const std::array<ui8, 16> arrayB = NInt128Private::GetAsArray(b);
+    return arrayA == arrayB;
+}
+
+Y_UNIT_TEST_SUITE(i128_And_i8_BitwiseIdentity) {
+    Y_UNIT_TEST(i128_from_i8_Zero) {
+        i8 n = 0;
+        i128 t1{n};
+        signed __int128 t2{n};
+        UNIT_ASSERT(IsIdentical(t1, t2));
+    }
+
+    Y_UNIT_TEST(i128_from_i8_Minus1) {
+        i8 n = -1;
+        i128 t1{n};
+        signed __int128 t2{n};
+        UNIT_ASSERT(IsIdentical(t1, t2));
+    }
+
+    Y_UNIT_TEST(i128_from_i8_Plus1) {
+        i8 n = 1;
+        i128 t1{n};
+        signed __int128 t2{n};
+        UNIT_ASSERT(IsIdentical(t1, t2));
+    }
+
+    Y_UNIT_TEST(i128_from_i8_Minus42) {
+        i8 n = -42;
+        i128 t1{n};
+        signed __int128 t2{n};
+        UNIT_ASSERT(IsIdentical(t1, t2));
+    }
+
+    Y_UNIT_TEST(i128_from_i8_Plus42) {
+        i8 n = 42;
+        i128 t1{n};
+        signed __int128 t2{n};
+        UNIT_ASSERT(IsIdentical(t1, t2));
+    }
+
+    Y_UNIT_TEST(i128_from_i8_Min) {
+        i8 n = std::numeric_limits<i8>::min();
+        i128 t1{n};
+        signed __int128 t2{n};
+        UNIT_ASSERT(IsIdentical(t1, t2));
+    }
+
+    Y_UNIT_TEST(i128_from_i8_Max) {
+        i8 n = std::numeric_limits<i8>::max();
+        i128 t1{n};
+        signed __int128 t2{n};
+        UNIT_ASSERT(IsIdentical(t1, t2));
+    }
+
+    Y_UNIT_TEST(i128_from_i8_MinPlus1) {
+        i8 n = std::numeric_limits<i8>::min() + 1;
+        i128 t1{n};
+        signed __int128 t2{n};
+        UNIT_ASSERT(IsIdentical(t1, t2));
+    }
+
+    Y_UNIT_TEST(i128_from_i8_MaxMinus1) {
+        i8 n = std::numeric_limits<i8>::max() - 1;
+        i128 t1{n};
+        signed __int128 t2{n};
+        UNIT_ASSERT(IsIdentical(t1, t2));
+    }
+}
+
+Y_UNIT_TEST_SUITE(i128_And_i16_BitwiseIdentity) {
+    Y_UNIT_TEST(i128_from_i16_Zero) {
+        i16 n = 0;
+        i128 t1{n};
+        signed __int128 t2{n};
+        UNIT_ASSERT(IsIdentical(t1, t2));
+    }
+
+    Y_UNIT_TEST(i128_from_i16_Minus1) {
+        i16 n = -1;
+        i128 t1{n};
+        signed __int128 t2{n};
+        UNIT_ASSERT(IsIdentical(t1, t2));
+    }
+
+    Y_UNIT_TEST(i128_from_i16_Plus1) {
+        i16 n = 1;
+        i128 t1{n};
+        signed __int128 t2{n};
+        UNIT_ASSERT(IsIdentical(t1, t2));
+    }
+
+    Y_UNIT_TEST(i128_from_i16_Minus42) {
+        i16 n = -42;
+        i128 t1{n};
+        signed __int128 t2{n};
+        UNIT_ASSERT(IsIdentical(t1, t2));
+    }
+
+    Y_UNIT_TEST(i128_from_i16_Plus42) {
+        i16 n = 42;
+        i128 t1{n};
+        signed __int128 t2{n};
+        UNIT_ASSERT(IsIdentical(t1, t2));
+    }
+
+    Y_UNIT_TEST(i128_from_i16_Min) {
+        i16 n = std::numeric_limits<i16>::min();
+        i128 t1{n};
+        signed __int128 t2{n};
+        UNIT_ASSERT(IsIdentical(t1, t2));
+    }
+
+    Y_UNIT_TEST(i128_from_i16_Max) {
+        i16 n = std::numeric_limits<i16>::max();
+        i128 t1{n};
+        signed __int128 t2{n};
+        UNIT_ASSERT(IsIdentical(t1, t2));
+    }
+
+    Y_UNIT_TEST(i128_from_i16_MinPlus1) {
+        i16 n = std::numeric_limits<i16>::min() + 1;
+        i128 t1{n};
+        signed __int128 t2{n};
+        UNIT_ASSERT(IsIdentical(t1, t2));
+    }
+
+    Y_UNIT_TEST(i128_from_i16_MaxMinus1) {
+        i16 n = std::numeric_limits<i16>::max() - 1;
+        i128 t1{n};
+        signed __int128 t2{n};
+        UNIT_ASSERT(IsIdentical(t1, t2));
+    }
+}
+
+Y_UNIT_TEST_SUITE(i128_And_i32_BitwiseIdentity) {
+    Y_UNIT_TEST(i128_from_i32_Zero) {
+        i32 n = 0;
+        i128 t1{n};
+        signed __int128 t2{n};
+        UNIT_ASSERT(IsIdentical(t1, t2));
+    }
+
+    Y_UNIT_TEST(i128_from_i32_Minus1) {
+        i32 n = -1;
+        i128 t1{n};
+        signed __int128 t2{n};
+        UNIT_ASSERT(IsIdentical(t1, t2));
+    }
+
+    Y_UNIT_TEST(i128_from_i32_Plus1) {
+        i32 n = 1;
+        i128 t1{n};
+        signed __int128 t2{n};
+        UNIT_ASSERT(IsIdentical(t1, t2));
+    }
+
+    Y_UNIT_TEST(i128_from_i32_Minus42) {
+        i32 n = -42;
+        i128 t1{n};
+        signed __int128 t2{n};
+        UNIT_ASSERT(IsIdentical(t1, t2));
+    }
+
+    Y_UNIT_TEST(i128_from_i32_Plus42) {
+        i32 n = 42;
+        i128 t1{n};
+        signed __int128 t2{n};
+        UNIT_ASSERT(IsIdentical(t1, t2));
+    }
+
+    Y_UNIT_TEST(i128_from_i32_Min) {
+        i32 n = std::numeric_limits<i32>::min();
+        i128 t1{n};
+        signed __int128 t2{n};
+        UNIT_ASSERT(IsIdentical(t1, t2));
+    }
+
+    Y_UNIT_TEST(i128_from_i32_Max) {
+        i32 n = std::numeric_limits<i32>::max();
+        i128 t1{n};
+        signed __int128 t2{n};
+        UNIT_ASSERT(IsIdentical(t1, t2));
+    }
+
+    Y_UNIT_TEST(i128_from_i32_MinPlus1) {
+        i32 n = std::numeric_limits<i32>::min() + 1;
+        i128 t1{n};
+        signed __int128 t2{n};
+        UNIT_ASSERT(IsIdentical(t1, t2));
+    }
+
+    Y_UNIT_TEST(i128_from_i32_MaxMinus1) {
+        i32 n = std::numeric_limits<i32>::max() - 1;
+        i128 t1{n};
+        signed __int128 t2{n};
+        UNIT_ASSERT(IsIdentical(t1, t2));
+    }
+}
+
+Y_UNIT_TEST_SUITE(i128_And_i64_BitwiseIdentity) {
+    Y_UNIT_TEST(i128_from_i64_Zero) {
+        i64 n = 0;
+        i128 t1{n};
+        signed __int128 t2{n};
+        UNIT_ASSERT(IsIdentical(t1, t2));
+    }
+
+    Y_UNIT_TEST(i128_from_i64_Minus1) {
+        i64 n = -1;
+        i128 t1{n};
+        signed __int128 t2{n};
+        UNIT_ASSERT(IsIdentical(t1, t2));
+    }
+
+    Y_UNIT_TEST(i128_from_i64_Plus1) {
+        i64 n = 1;
+        i128 t1{n};
+        signed __int128 t2{n};
+        UNIT_ASSERT(IsIdentical(t1, t2));
+    }
+
+    Y_UNIT_TEST(i128_from_i64_Minus42) {
+        i64 n = -42;
+        i128 t1{n};
+        signed __int128 t2{n};
+        UNIT_ASSERT(IsIdentical(t1, t2));
+    }
+
+    Y_UNIT_TEST(i128_from_i64_Plus42) {
+        i64 n = 42;
+        i128 t1{n};
+        signed __int128 t2{n};
+        UNIT_ASSERT(IsIdentical(t1, t2));
+    }
+
+    Y_UNIT_TEST(i128_from_i64_Min) {
+        i64 n = std::numeric_limits<i64>::min();
+        i128 t1{n};
+        signed __int128 t2{n};
+        UNIT_ASSERT(IsIdentical(t1, t2));
+    }
+
+    Y_UNIT_TEST(i128_from_i64_Max) {
+        i64 n = std::numeric_limits<i64>::max();
+        i128 t1{n};
+        signed __int128 t2{n};
+        UNIT_ASSERT(IsIdentical(t1, t2));
+    }
+
+    Y_UNIT_TEST(i128_from_i64_MinPlus1) {
+        i64 n = std::numeric_limits<i64>::min() + 1;
+        i128 t1{n};
+        signed __int128 t2{n};
+        UNIT_ASSERT(IsIdentical(t1, t2));
+    }
+
+    Y_UNIT_TEST(i128_from_i64_MaxMinus1) {
+        i64 n = std::numeric_limits<i64>::max() - 1;
+        i128 t1{n};
+        signed __int128 t2{n};
+        UNIT_ASSERT(IsIdentical(t1, t2));
+    }
+}
+
+Y_UNIT_TEST_SUITE(i128_And_signed_int128_BitwiseIdentity) {
+    Y_UNIT_TEST(i128_from_signed_int128_Zero) {
+        signed __int128 n = 0;
+        i128 t1{n};
+        signed __int128 t2{n};
+        UNIT_ASSERT(IsIdentical(t1, t2));
+    }
+
+    Y_UNIT_TEST(i128_from_signed_int128_Minus1) {
+        signed __int128 n = -1;
+        i128 t1{n};
+        signed __int128 t2{n};
+        UNIT_ASSERT(IsIdentical(t1, t2));
+    }
+
+    Y_UNIT_TEST(i128_from_signed_int128_Plus1) {
+        signed __int128 n = 1;
+        i128 t1{n};
+        signed __int128 t2{n};
+        UNIT_ASSERT(IsIdentical(t1, t2));
+    }
+
+    Y_UNIT_TEST(i128_from_signed_int128_Minus42) {
+        signed __int128 n = -42;
+        i128 t1{n};
+        signed __int128 t2{n};
+        UNIT_ASSERT(IsIdentical(t1, t2));
+    }
+
+    Y_UNIT_TEST(i128_from_signed_int128_Plus42) {
+        signed __int128 n = 42;
+        i128 t1{n};
+        signed __int128 t2{n};
+        UNIT_ASSERT(IsIdentical(t1, t2));
+    }
+
+    Y_UNIT_TEST(i128_from_signed_int128_Min) {
+        signed __int128 n = std::numeric_limits<signed __int128>::min();
+        i128 t1{n};
+        signed __int128 t2{n};
+        UNIT_ASSERT(IsIdentical(t1, t2));
+    }
+
+    Y_UNIT_TEST(i128_from_signed_int128_Max) {
+        signed __int128 n = std::numeric_limits<signed __int128>::max();
+        i128 t1{n};
+        signed __int128 t2{n};
+        UNIT_ASSERT(IsIdentical(t1, t2));
+    }
+
+    Y_UNIT_TEST(i128_from_signed_int128_MinPlus1) {
+        signed __int128 n = std::numeric_limits<signed __int128>::min() + 1;
+        i128 t1{n};
+        signed __int128 t2{n};
+        UNIT_ASSERT(IsIdentical(t1, t2));
+    }
+
+    Y_UNIT_TEST(i128_from_signed_int128_MaxMinus1) {
+        signed __int128 n = std::numeric_limits<signed __int128>::max() - 1;
+        i128 t1{n};
+        signed __int128 t2{n};
+        UNIT_ASSERT(IsIdentical(t1, t2));
+    }
+}
+
+Y_UNIT_TEST_SUITE(i128_And_ui8_BitwiseIdentity) {
+    Y_UNIT_TEST(i128_from_ui8_Zero) {
+        ui8 n = 0;
+        i128 t1{n};
+        signed __int128 t2{n};
+        UNIT_ASSERT(IsIdentical(t1, t2));
+    }
+
+    Y_UNIT_TEST(i128_from_ui8_Plus1) {
+        ui8 n = 1;
+        i128 t1{n};
+        signed __int128 t2{n};
+        UNIT_ASSERT(IsIdentical(t1, t2));
+    }
+
+    Y_UNIT_TEST(i128_from_ui8_Plus42) {
+        ui8 n = 42;
+        i128 t1{n};
+        signed __int128 t2{n};
+        UNIT_ASSERT(IsIdentical(t1, t2));
+    }
+
+    Y_UNIT_TEST(i128_from_ui8_Min) {
+        ui8 n = std::numeric_limits<i8>::min();
+        i128 t1{n};
+        signed __int128 t2{n};
+        UNIT_ASSERT(IsIdentical(t1, t2));
+    }
+
+    Y_UNIT_TEST(i128_from_ui8_Max) {
+        ui8 n = std::numeric_limits<i8>::max();
+        i128 t1{n};
+        signed __int128 t2{n};
+        UNIT_ASSERT(IsIdentical(t1, t2));
+    }
+
+    Y_UNIT_TEST(i128_from_ui8_MinPlus1) {
+        ui8 n = std::numeric_limits<i8>::min() + 1;
+        i128 t1{n};
+        signed __int128 t2{n};
+        UNIT_ASSERT(IsIdentical(t1, t2));
+    }
+
+    Y_UNIT_TEST(i128_from_ui8_MaxMinus1) {
+        ui8 n = std::numeric_limits<i8>::max() - 1;
+        i128 t1{n};
+        signed __int128 t2{n};
+        UNIT_ASSERT(IsIdentical(t1, t2));
+    }
+}
+
+Y_UNIT_TEST_SUITE(i128_And_ui16_BitwiseIdentity) {
+    Y_UNIT_TEST(i128_from_ui16_Zero) {
+        ui16 n = 0;
+        i128 t1{n};
+        signed __int128 t2{n};
+        UNIT_ASSERT(IsIdentical(t1, t2));
+    }
+
+    Y_UNIT_TEST(i128_from_ui16_Plus1) {
+        ui16 n = 1;
+        i128 t1{n};
+        signed __int128 t2{n};
+        UNIT_ASSERT(IsIdentical(t1, t2));
+    }
+
+    Y_UNIT_TEST(i128_from_ui16_Plus42) {
+        ui16 n = 42;
+        i128 t1{n};
+        signed __int128 t2{n};
+        UNIT_ASSERT(IsIdentical(t1, t2));
+    }
+
+    Y_UNIT_TEST(i128_from_ui16_Min) {
+        ui16 n = std::numeric_limits<i8>::min();
+        i128 t1{n};
+        signed __int128 t2{n};
+        UNIT_ASSERT(IsIdentical(t1, t2));
+    }
+
+    Y_UNIT_TEST(i128_from_ui16_Max) {
+        ui16 n = std::numeric_limits<i8>::max();
+        i128 t1{n};
+        signed __int128 t2{n};
+        UNIT_ASSERT(IsIdentical(t1, t2));
+    }
+
+    Y_UNIT_TEST(i128_from_ui16_MinPlus1) {
+        ui16 n = std::numeric_limits<i8>::min() + 1;
+        i128 t1{n};
+        signed __int128 t2{n};
+        UNIT_ASSERT(IsIdentical(t1, t2));
+    }
+
+    Y_UNIT_TEST(i128_from_ui16_MaxMinus1) {
+        ui16 n = std::numeric_limits<i8>::max() - 1;
+        i128 t1{n};
+        signed __int128 t2{n};
+        UNIT_ASSERT(IsIdentical(t1, t2));
+    }
+}
+
+Y_UNIT_TEST_SUITE(i128_And_ui32_BitwiseIdentity) {
+    Y_UNIT_TEST(i128_from_ui32_Zero) {
+        ui32 n = 0;
+        i128 t1{n};
+        signed __int128 t2{n};
+        UNIT_ASSERT(IsIdentical(t1, t2));
+    }
+
+    Y_UNIT_TEST(i128_from_ui32_Plus1) {
+        ui32 n = 1;
+        i128 t1{n};
+        signed __int128 t2{n};
+        UNIT_ASSERT(IsIdentical(t1, t2));
+    }
+
+    Y_UNIT_TEST(i128_from_ui32_Plus42) {
+        ui32 n = 42;
+        i128 t1{n};
+        signed __int128 t2{n};
+        UNIT_ASSERT(IsIdentical(t1, t2));
+    }
+
+    Y_UNIT_TEST(i128_from_ui32_Min) {
+        ui32 n = std::numeric_limits<i8>::min();
+        i128 t1{n};
+        signed __int128 t2{n};
+        UNIT_ASSERT(IsIdentical(t1, t2));
+    }
+
+    Y_UNIT_TEST(i128_from_ui32_Max) {
+        ui32 n = std::numeric_limits<i8>::max();
+        i128 t1{n};
+        signed __int128 t2{n};
+        UNIT_ASSERT(IsIdentical(t1, t2));
+    }
+
+    Y_UNIT_TEST(i128_from_ui32_MinPlus1) {
+        ui32 n = std::numeric_limits<i8>::min() + 1;
+        i128 t1{n};
+        signed __int128 t2{n};
+        UNIT_ASSERT(IsIdentical(t1, t2));
+    }
+
+    Y_UNIT_TEST(i128_from_ui32_MaxMinus1) {
+        ui32 n = std::numeric_limits<i8>::max() - 1;
+        i128 t1{n};
+        signed __int128 t2{n};
+        UNIT_ASSERT(IsIdentical(t1, t2));
+    }
+}
+
+Y_UNIT_TEST_SUITE(i128_And_ui64_BitwiseIdentity) {
+    Y_UNIT_TEST(i128_from_ui64_Zero) {
+        ui64 n = 0;
+        i128 t1{n};
+        signed __int128 t2{n};
+        UNIT_ASSERT(IsIdentical(t1, t2));
+    }
+
+    Y_UNIT_TEST(i128_from_ui64_Plus1) {
+        ui64 n = 1;
+        i128 t1{n};
+        signed __int128 t2{n};
+        UNIT_ASSERT(IsIdentical(t1, t2));
+    }
+
+    Y_UNIT_TEST(i128_from_ui64_Plus42) {
+        ui64 n = 42;
+        i128 t1{n};
+        signed __int128 t2{n};
+        UNIT_ASSERT(IsIdentical(t1, t2));
+    }
+
+    Y_UNIT_TEST(i128_from_ui64_Min) {
+        ui64 n = std::numeric_limits<i8>::min();
+        i128 t1{n};
+        signed __int128 t2{n};
+        UNIT_ASSERT(IsIdentical(t1, t2));
+    }
+
+    Y_UNIT_TEST(i128_from_ui64_Max) {
+        ui64 n = std::numeric_limits<i8>::max();
+        i128 t1{n};
+        signed __int128 t2{n};
+        UNIT_ASSERT(IsIdentical(t1, t2));
+    }
+
+    Y_UNIT_TEST(i128_from_ui64_MinPlus1) {
+        ui64 n = std::numeric_limits<i8>::min() + 1;
+        i128 t1{n};
+        signed __int128 t2{n};
+        UNIT_ASSERT(IsIdentical(t1, t2));
+    }
+
+    Y_UNIT_TEST(i128_from_ui64_MaxMinus1) {
+        ui64 n = std::numeric_limits<i8>::max() - 1;
+        i128 t1{n};
+        signed __int128 t2{n};
+        UNIT_ASSERT(IsIdentical(t1, t2));
+    }
+}
+
+Y_UNIT_TEST_SUITE(i128_And_unsigned_int128_BitwiseIdentity) {
+    Y_UNIT_TEST(i128_from_unsigned_int128_Zero) {
+        unsigned __int128 n = 0;
+        i128 t1{n};
+        signed __int128 t2 = static_cast<signed __int128>(n);
+        UNIT_ASSERT(IsIdentical(t1, t2));
+    }
+
+    Y_UNIT_TEST(i128_from_unsigned_int128_Plus1) {
+        unsigned __int128 n = 1;
+        i128 t1{n};
+        signed __int128 t2 = static_cast<signed __int128>(n);
+        UNIT_ASSERT(IsIdentical(t1, t2));
+    }
+
+    Y_UNIT_TEST(i128_from_unsigned_int128_Plus42) {
+        unsigned __int128 n = 42;
+        i128 t1{n};
+        signed __int128 t2 = static_cast<signed __int128>(n);
+        UNIT_ASSERT(IsIdentical(t1, t2));
+    }
+
+    Y_UNIT_TEST(i128_from_unsigned_int128_Min) {
+        unsigned __int128 n = std::numeric_limits<i8>::min();
+        i128 t1{n};
+        signed __int128 t2 = static_cast<signed __int128>(n);
+        UNIT_ASSERT(IsIdentical(t1, t2));
+    }
+
+    Y_UNIT_TEST(i128_from_unsigned_int128_Max) {
+        unsigned __int128 n = std::numeric_limits<i8>::max();
+        i128 t1{n};
+        signed __int128 t2 = static_cast<signed __int128>(n);
+        UNIT_ASSERT(IsIdentical(t1, t2));
+    }
+
+    Y_UNIT_TEST(i128_from_unsigned_int128_MinPlus1) {
+        unsigned __int128 n = std::numeric_limits<i8>::min() + 1;
+        i128 t1{n};
+        signed __int128 t2 = static_cast<signed __int128>(n);
+        UNIT_ASSERT(IsIdentical(t1, t2));
+    }
+
+    Y_UNIT_TEST(i128_from_unsigned_int128_MaxMinus1) {
+        unsigned __int128 n = std::numeric_limits<i8>::max() - 1;
+        i128 t1{n};
+        signed __int128 t2 = static_cast<signed __int128>(n);
+        UNIT_ASSERT(IsIdentical(t1, t2));
+    }
+}
+#endif
diff --git a/library/cpp/int128/ut/i128_comparison_ut.cpp b/library/cpp/int128/ut/i128_comparison_ut.cpp
index 8e38ac17e2..7b8d508815 100644
--- a/library/cpp/int128/ut/i128_comparison_ut.cpp
+++ b/library/cpp/int128/ut/i128_comparison_ut.cpp
@@ -1,145 +1,145 @@
 #include <library/cpp/testing/unittest/registar.h>
- 
+
 #include <library/cpp/int128/int128.h>
- 
-#include <util/generic/cast.h> 
- 
-Y_UNIT_TEST_SUITE(I128ComparisonPositiveWithPositiveSuite) { 
-    Y_UNIT_TEST(PositivePositiveGreater) { 
-        UNIT_ASSERT(i128{1} > i128{0}); 
-        UNIT_ASSERT(i128{2} > i128{1}); 
-        UNIT_ASSERT(i128{42} > i128{0}); 
-        UNIT_ASSERT(i128{42} > i128{1}); 
-        i128 big = i128{1, 0}; 
-        UNIT_ASSERT(big > i128{1}); 
-        UNIT_ASSERT(std::numeric_limits<i128>::max() > i128{0}); 
-    } 
- 
-    Y_UNIT_TEST(PositivePositiveGreaterOrEqual) { 
-        UNIT_ASSERT(i128{1} >= i128{0}); 
-        UNIT_ASSERT(i128{2} >= i128{1}); 
-        UNIT_ASSERT(i128{42} >= i128{0}); 
-        UNIT_ASSERT(i128{42} >= i128{1}); 
-        i128 big = i128{1, 0}; 
-        UNIT_ASSERT(big >= i128{1}); 
-        UNIT_ASSERT(std::numeric_limits<i128>::max() >= i128{0}); 
- 
-        UNIT_ASSERT(i128{0} >= i128{0}); 
-        UNIT_ASSERT(i128{1} >= i128{1}); 
-        UNIT_ASSERT(i128{2} >= i128{2}); 
-        UNIT_ASSERT(i128{42} >= i128{42}); 
-        UNIT_ASSERT(big >= big); 
-        UNIT_ASSERT(std::numeric_limits<i128>::max() >= std::numeric_limits<i128>::max()); 
-    } 
- 
-    Y_UNIT_TEST(PositivePositiveLess) { 
-        UNIT_ASSERT(i128{0} < i128{1}); 
-        UNIT_ASSERT(i128{1} < i128{2}); 
-        UNIT_ASSERT(i128{0} < i128{42}); 
-        UNIT_ASSERT(i128{1} < i128{42}); 
-        i128 big = i128{1, 0}; 
-        UNIT_ASSERT(i128{1} < big); 
-        UNIT_ASSERT(i128{0} < std::numeric_limits<i128>::max()); 
-    } 
- 
-    Y_UNIT_TEST(PositivePositiveLessOrEqual) { 
-        UNIT_ASSERT(i128{0} <= i128{1}); 
-        UNIT_ASSERT(i128{1} <= i128{2}); 
-        UNIT_ASSERT(i128{0} <= i128{42}); 
-        UNIT_ASSERT(i128{1} <= i128{42}); 
-        i128 big = i128{1, 0}; 
-        UNIT_ASSERT(i128{1} <= big); 
-        UNIT_ASSERT(i128{0} <= std::numeric_limits<i128>::max()); 
- 
-        UNIT_ASSERT(i128{0} <= i128{0}); 
-        UNIT_ASSERT(i128{1} <= i128{1}); 
-        UNIT_ASSERT(i128{2} <= i128{2}); 
-        UNIT_ASSERT(i128{42} <= i128{42}); 
-        UNIT_ASSERT(big <= big); 
-        UNIT_ASSERT(std::numeric_limits<i128>::max() <= std::numeric_limits<i128>::max()); 
-    } 
-} 
- 
-Y_UNIT_TEST_SUITE(I128ComparisonPositiveWithNegativeSuite) { 
-    Y_UNIT_TEST(PositiveNegativeGreater) { 
-        UNIT_ASSERT(i128{0} > i128{-1}); 
-        UNIT_ASSERT(i128{2} > i128{-1}); 
-        UNIT_ASSERT(i128{0} > i128{-42}); 
-        UNIT_ASSERT(i128{42} > i128{-1}); 
-        i128 big = i128{1, 0}; 
-        UNIT_ASSERT(big > i128{-1}); 
-        UNIT_ASSERT(std::numeric_limits<i128>::max() > i128{-1}); 
-    } 
- 
-    Y_UNIT_TEST(PositiveNegativeGreaterOrEqual) { 
-        UNIT_ASSERT(i128{0} >= i128{-1}); 
-        UNIT_ASSERT(i128{2} >= i128{-1}); 
-        UNIT_ASSERT(i128{0} >= i128{-42}); 
-        UNIT_ASSERT(i128{42} >= i128{-1}); 
-        i128 big = i128{1, 0}; 
-        UNIT_ASSERT(big >= i128{-1}); 
-        UNIT_ASSERT(std::numeric_limits<i128>::max() >= i128{-1}); 
-    } 
- 
-    Y_UNIT_TEST(NegativePositiveLess) { 
-        UNIT_ASSERT(i128{-1} < i128{0}); 
-        UNIT_ASSERT(i128{-1} < i128{2}); 
-        UNIT_ASSERT(i128{-42} < i128{0}); 
-        UNIT_ASSERT(i128{-1} < i128{42}); 
-        i128 big = i128{1, 0}; 
-        UNIT_ASSERT(i128{-1} < big); 
-        UNIT_ASSERT(i128{-1} < std::numeric_limits<i128>::max()); 
-    } 
- 
-    Y_UNIT_TEST(NegativePositiveLessOrEqual) { 
-        UNIT_ASSERT(i128{-1} <= i128{0}); 
-        UNIT_ASSERT(i128{-1} <= i128{2}); 
-        UNIT_ASSERT(i128{-42} <= i128{0}); 
-        UNIT_ASSERT(i128{-1} <= i128{42}); 
-        i128 big = i128{1, 0}; 
-        UNIT_ASSERT(i128{-1} <= big); 
-        UNIT_ASSERT(i128{-1} <= std::numeric_limits<i128>::max()); 
-    } 
-} 
- 
-Y_UNIT_TEST_SUITE(I128ComparisonNegativeWithNegativeSuite) { 
-    Y_UNIT_TEST(NegativeNegativeGreater) { 
-        UNIT_ASSERT(i128{-1} > i128{-2}); 
-        UNIT_ASSERT(i128{-2} > i128{-3}); 
-        UNIT_ASSERT(i128{-1} > i128{-42}); 
-        UNIT_ASSERT(i128{-42} > i128{-142}); 
-        i128 big = -i128{1, 0}; 
-        UNIT_ASSERT(i128{-1} > big); 
-        UNIT_ASSERT(i128{-1} > std::numeric_limits<i128>::min()); 
-    } 
- 
-    Y_UNIT_TEST(NegativeNegativeGreaterOrEqual) { 
-        UNIT_ASSERT(i128{-1} >= i128{-2}); 
-        UNIT_ASSERT(i128{-2} >= i128{-3}); 
-        UNIT_ASSERT(i128{-1} >= i128{-42}); 
-        UNIT_ASSERT(i128{-42} >= i128{-142}); 
-        i128 big = -i128{1, 0}; 
-        UNIT_ASSERT(i128{-1} >= big); 
-        UNIT_ASSERT(i128{-1} >= std::numeric_limits<i128>::min()); 
-    } 
- 
-    Y_UNIT_TEST(NegativeNegativeLess) { 
-        UNIT_ASSERT(i128{-2} < i128{-1}); 
-        UNIT_ASSERT(i128{-3} < i128{-2}); 
-        UNIT_ASSERT(i128{-42} < i128{-1}); 
-        UNIT_ASSERT(i128{-142} < i128{42}); 
-        i128 big = -i128{1, 0}; 
-        UNIT_ASSERT(big < i128{-1}); 
-        UNIT_ASSERT(std::numeric_limits<i128>::min() < i128{-1}); 
-    } 
- 
-    Y_UNIT_TEST(NegativeNegativeLessOrEqual) { 
-        UNIT_ASSERT(i128{-2} <= i128{-1}); 
-        UNIT_ASSERT(i128{-3} <= i128{-2}); 
-        UNIT_ASSERT(i128{-42} <= i128{-1}); 
-        UNIT_ASSERT(i128{-142} <= i128{42}); 
-        i128 big = -i128{1, 0}; 
-        UNIT_ASSERT(big <= i128{-1}); 
-        UNIT_ASSERT(std::numeric_limits<i128>::min() <= i128{-1}); 
-    } 
-} 
+
+#include <util/generic/cast.h>
+
+Y_UNIT_TEST_SUITE(I128ComparisonPositiveWithPositiveSuite) {
+    Y_UNIT_TEST(PositivePositiveGreater) {
+        UNIT_ASSERT(i128{1} > i128{0});
+        UNIT_ASSERT(i128{2} > i128{1});
+        UNIT_ASSERT(i128{42} > i128{0});
+        UNIT_ASSERT(i128{42} > i128{1});
+        i128 big = i128{1, 0};
+        UNIT_ASSERT(big > i128{1});
+        UNIT_ASSERT(std::numeric_limits<i128>::max() > i128{0});
+    }
+
+    Y_UNIT_TEST(PositivePositiveGreaterOrEqual) {
+        UNIT_ASSERT(i128{1} >= i128{0});
+        UNIT_ASSERT(i128{2} >= i128{1});
+        UNIT_ASSERT(i128{42} >= i128{0});
+        UNIT_ASSERT(i128{42} >= i128{1});
+        i128 big = i128{1, 0};
+        UNIT_ASSERT(big >= i128{1});
+        UNIT_ASSERT(std::numeric_limits<i128>::max() >= i128{0});
+
+        UNIT_ASSERT(i128{0} >= i128{0});
+        UNIT_ASSERT(i128{1} >= i128{1});
+        UNIT_ASSERT(i128{2} >= i128{2});
+        UNIT_ASSERT(i128{42} >= i128{42});
+        UNIT_ASSERT(big >= big);
+        UNIT_ASSERT(std::numeric_limits<i128>::max() >= std::numeric_limits<i128>::max());
+    }
+
+    Y_UNIT_TEST(PositivePositiveLess) {
+        UNIT_ASSERT(i128{0} < i128{1});
+        UNIT_ASSERT(i128{1} < i128{2});
+        UNIT_ASSERT(i128{0} < i128{42});
+        UNIT_ASSERT(i128{1} < i128{42});
+        i128 big = i128{1, 0};
+        UNIT_ASSERT(i128{1} < big);
+        UNIT_ASSERT(i128{0} < std::numeric_limits<i128>::max());
+    }
+
+    Y_UNIT_TEST(PositivePositiveLessOrEqual) {
+        UNIT_ASSERT(i128{0} <= i128{1});
+        UNIT_ASSERT(i128{1} <= i128{2});
+        UNIT_ASSERT(i128{0} <= i128{42});
+        UNIT_ASSERT(i128{1} <= i128{42});
+        i128 big = i128{1, 0};
+        UNIT_ASSERT(i128{1} <= big);
+        UNIT_ASSERT(i128{0} <= std::numeric_limits<i128>::max());
+
+        UNIT_ASSERT(i128{0} <= i128{0});
+        UNIT_ASSERT(i128{1} <= i128{1});
+        UNIT_ASSERT(i128{2} <= i128{2});
+        UNIT_ASSERT(i128{42} <= i128{42});
+        UNIT_ASSERT(big <= big);
+        UNIT_ASSERT(std::numeric_limits<i128>::max() <= std::numeric_limits<i128>::max());
+    }
+}
+
+Y_UNIT_TEST_SUITE(I128ComparisonPositiveWithNegativeSuite) {
+    Y_UNIT_TEST(PositiveNegativeGreater) {
+        UNIT_ASSERT(i128{0} > i128{-1});
+        UNIT_ASSERT(i128{2} > i128{-1});
+        UNIT_ASSERT(i128{0} > i128{-42});
+        UNIT_ASSERT(i128{42} > i128{-1});
+        i128 big = i128{1, 0};
+        UNIT_ASSERT(big > i128{-1});
+        UNIT_ASSERT(std::numeric_limits<i128>::max() > i128{-1});
+    }
+
+    Y_UNIT_TEST(PositiveNegativeGreaterOrEqual) {
+        UNIT_ASSERT(i128{0} >= i128{-1});
+        UNIT_ASSERT(i128{2} >= i128{-1});
+        UNIT_ASSERT(i128{0} >= i128{-42});
+        UNIT_ASSERT(i128{42} >= i128{-1});
+        i128 big = i128{1, 0};
+        UNIT_ASSERT(big >= i128{-1});
+        UNIT_ASSERT(std::numeric_limits<i128>::max() >= i128{-1});
+    }
+
+    Y_UNIT_TEST(NegativePositiveLess) {
+        UNIT_ASSERT(i128{-1} < i128{0});
+        UNIT_ASSERT(i128{-1} < i128{2});
+        UNIT_ASSERT(i128{-42} < i128{0});
+        UNIT_ASSERT(i128{-1} < i128{42});
+        i128 big = i128{1, 0};
+        UNIT_ASSERT(i128{-1} < big);
+        UNIT_ASSERT(i128{-1} < std::numeric_limits<i128>::max());
+    }
+
+    Y_UNIT_TEST(NegativePositiveLessOrEqual) {
+        UNIT_ASSERT(i128{-1} <= i128{0});
+        UNIT_ASSERT(i128{-1} <= i128{2});
+        UNIT_ASSERT(i128{-42} <= i128{0});
+        UNIT_ASSERT(i128{-1} <= i128{42});
+        i128 big = i128{1, 0};
+        UNIT_ASSERT(i128{-1} <= big);
+        UNIT_ASSERT(i128{-1} <= std::numeric_limits<i128>::max());
+    }
+}
+
+Y_UNIT_TEST_SUITE(I128ComparisonNegativeWithNegativeSuite) {
+    Y_UNIT_TEST(NegativeNegativeGreater) {
+        UNIT_ASSERT(i128{-1} > i128{-2});
+        UNIT_ASSERT(i128{-2} > i128{-3});
+        UNIT_ASSERT(i128{-1} > i128{-42});
+        UNIT_ASSERT(i128{-42} > i128{-142});
+        i128 big = -i128{1, 0};
+        UNIT_ASSERT(i128{-1} > big);
+        UNIT_ASSERT(i128{-1} > std::numeric_limits<i128>::min());
+    }
+
+    Y_UNIT_TEST(NegativeNegativeGreaterOrEqual) {
+        UNIT_ASSERT(i128{-1} >= i128{-2});
+        UNIT_ASSERT(i128{-2} >= i128{-3});
+        UNIT_ASSERT(i128{-1} >= i128{-42});
+        UNIT_ASSERT(i128{-42} >= i128{-142});
+        i128 big = -i128{1, 0};
+        UNIT_ASSERT(i128{-1} >= big);
+        UNIT_ASSERT(i128{-1} >= std::numeric_limits<i128>::min());
+    }
+
+    Y_UNIT_TEST(NegativeNegativeLess) {
+        UNIT_ASSERT(i128{-2} < i128{-1});
+        UNIT_ASSERT(i128{-3} < i128{-2});
+        UNIT_ASSERT(i128{-42} < i128{-1});
+        UNIT_ASSERT(i128{-142} < i128{42});
+        i128 big = -i128{1, 0};
+        UNIT_ASSERT(big < i128{-1});
+        UNIT_ASSERT(std::numeric_limits<i128>::min() < i128{-1});
+    }
+
+    Y_UNIT_TEST(NegativeNegativeLessOrEqual) {
+        UNIT_ASSERT(i128{-2} <= i128{-1});
+        UNIT_ASSERT(i128{-3} <= i128{-2});
+        UNIT_ASSERT(i128{-42} <= i128{-1});
+        UNIT_ASSERT(i128{-142} <= i128{42});
+        i128 big = -i128{1, 0};
+        UNIT_ASSERT(big <= i128{-1});
+        UNIT_ASSERT(std::numeric_limits<i128>::min() <= i128{-1});
+    }
+}
diff --git a/library/cpp/int128/ut/i128_division_ut.cpp b/library/cpp/int128/ut/i128_division_ut.cpp
index b58731dd7e..46b0ca27f5 100644
--- a/library/cpp/int128/ut/i128_division_ut.cpp
+++ b/library/cpp/int128/ut/i128_division_ut.cpp
@@ -1,413 +1,413 @@
 #include <library/cpp/testing/unittest/registar.h>
- 
+
 #include <library/cpp/int128/int128.h>
- 
-#include <util/generic/cast.h> 
- 
-Y_UNIT_TEST_SUITE(I128DivisionBy1Suite) { 
-    Y_UNIT_TEST(I128Divide0By1) { 
-        i128 dividend = 0; 
-        i128 divider = 1; 
-        i128 expectedQuotient = 0; 
-        i128 expectedRemainder = 0; 
- 
-        UNIT_ASSERT_EQUAL(dividend / divider, expectedQuotient); 
-        UNIT_ASSERT_EQUAL(dividend % divider, expectedRemainder); 
-    } 
- 
-    Y_UNIT_TEST(I128Divide1By1) { 
-        i128 dividend = 1; 
-        i128 divider = 1; 
-        i128 expectedQuotient = 1; 
-        i128 expectedRemainder = 0; 
- 
-        UNIT_ASSERT_EQUAL(dividend / divider, expectedQuotient); 
-        UNIT_ASSERT_EQUAL(dividend % divider, expectedRemainder); 
-    } 
- 
-    Y_UNIT_TEST(I128Divide2By1) { 
-        i128 dividend = 2; 
-        i128 divider = 1; 
-        i128 expectedQuotient = 2; 
-        i128 expectedRemainder = 0; 
- 
-        UNIT_ASSERT_EQUAL(dividend / divider, expectedQuotient); 
-        UNIT_ASSERT_EQUAL(dividend % divider, expectedRemainder); 
-    } 
- 
-    Y_UNIT_TEST(I128Divide42By1) { 
-        i128 dividend = 42; 
-        i128 divider = 1; 
-        i128 expectedQuotient = 42; 
-        i128 expectedRemainder = 0; 
- 
-        UNIT_ASSERT_EQUAL(dividend / divider, expectedQuotient); 
-        UNIT_ASSERT_EQUAL(dividend % divider, expectedRemainder); 
-    } 
- 
-    Y_UNIT_TEST(I128DivideMaxUi64By1) { 
-        i128 dividend = std::numeric_limits<ui64>::max(); 
-        i128 divider = 1; 
-        i128 expectedQuotient = std::numeric_limits<ui64>::max(); 
-        i128 expectedRemainder = 0; 
- 
-        UNIT_ASSERT_EQUAL(dividend / divider, expectedQuotient); 
-        UNIT_ASSERT_EQUAL(dividend % divider, expectedRemainder); 
-    } 
- 
-    Y_UNIT_TEST(I128DivideMaxUi64Plus1By1) { 
-        i128 dividend = i128{std::numeric_limits<ui64>::max()} + i128{1}; 
-        i128 divider = 1; 
-        i128 expectedQuotient = i128{std::numeric_limits<ui64>::max()} + i128{1}; 
-        i128 expectedRemainder = 0; 
- 
-        UNIT_ASSERT_EQUAL(dividend / divider, expectedQuotient); 
-        UNIT_ASSERT_EQUAL(dividend % divider, expectedRemainder); 
-    } 
- 
-    Y_UNIT_TEST(I128DivideMaxUi64Plus42By1) { 
-        i128 dividend = i128{std::numeric_limits<ui64>::max()} + i128{42}; 
-        i128 divider = 1; 
-        i128 expectedQuotient = i128{std::numeric_limits<ui64>::max()} + i128{42}; 
-        i128 expectedRemainder = 0; 
- 
-        UNIT_ASSERT_EQUAL(dividend / divider, expectedQuotient); 
-        UNIT_ASSERT_EQUAL(dividend % divider, expectedRemainder); 
-    } 
- 
-    Y_UNIT_TEST(I128DivideMaxI128By1) { 
-        i128 dividend = std::numeric_limits<i128>::max(); 
-        i128 divider = 1; 
-        i128 expectedQuotient = std::numeric_limits<i128>::max(); 
-        i128 expectedRemainder = 0; 
- 
-        UNIT_ASSERT_EQUAL(dividend / divider, expectedQuotient); 
-        UNIT_ASSERT_EQUAL(dividend % divider, expectedRemainder); 
-    } 
- 
-    Y_UNIT_TEST(I128DivideMaxI128Minus1By1) { 
-        i128 dividend = std::numeric_limits<i128>::max() - 1; 
-        i128 divider = 1; 
-        i128 expectedQuotient = std::numeric_limits<i128>::max() - 1; 
-        i128 expectedRemainder = 0; 
- 
-        UNIT_ASSERT_EQUAL(dividend / divider, expectedQuotient); 
-        UNIT_ASSERT_EQUAL(dividend % divider, expectedRemainder); 
-    } 
-} 
- 
-Y_UNIT_TEST_SUITE(I128DivisionByEqualSuite) { 
-    Y_UNIT_TEST(I128Divide1ByEqual) { 
-        i128 dividend = 1; 
-        i128 divider = dividend; 
-        i128 expectedQuotient = 1; 
-        i128 expectedRemainder = 0; 
- 
-        UNIT_ASSERT_EQUAL(dividend / divider, expectedQuotient); 
-        UNIT_ASSERT_EQUAL(dividend % divider, expectedRemainder); 
-    } 
- 
-    Y_UNIT_TEST(I128Divide2ByEqual) { 
-        i128 dividend = 2; 
-        i128 divider = dividend; 
-        i128 expectedQuotient = 1; 
-        i128 expectedRemainder = 0; 
- 
-        UNIT_ASSERT_EQUAL(dividend / divider, expectedQuotient); 
-        UNIT_ASSERT_EQUAL(dividend % divider, expectedRemainder); 
-    } 
- 
-    Y_UNIT_TEST(I128Divide42ByEqual) { 
-        i128 dividend = 42; 
-        i128 divider = dividend; 
-        i128 expectedQuotient = 1; 
-        i128 expectedRemainder = 0; 
- 
-        UNIT_ASSERT_EQUAL(dividend / divider, expectedQuotient); 
-        UNIT_ASSERT_EQUAL(dividend % divider, expectedRemainder); 
-    } 
- 
-    Y_UNIT_TEST(I128DivideMaxUi64ByEqual) { 
-        i128 dividend = std::numeric_limits<ui64>::max(); 
-        i128 divider = dividend; 
-        i128 expectedQuotient = 1; 
-        i128 expectedRemainder = 0; 
- 
-        UNIT_ASSERT_EQUAL(dividend / divider, expectedQuotient); 
-        UNIT_ASSERT_EQUAL(dividend % divider, expectedRemainder); 
-    } 
- 
-    Y_UNIT_TEST(I128DivideMaxUi64Plus1ByEqual) { 
-        i128 dividend = i128{std::numeric_limits<ui64>::max()} + i128{1}; 
-        i128 divider = dividend; 
-        i128 expectedQuotient = 1; 
-        i128 expectedRemainder = 0; 
- 
-        UNIT_ASSERT_EQUAL(dividend / divider, expectedQuotient); 
-        UNIT_ASSERT_EQUAL(dividend % divider, expectedRemainder); 
-    } 
- 
-    Y_UNIT_TEST(I128DivideMaxUi64Plus42ByEqual) { 
-        i128 dividend = i128{std::numeric_limits<ui64>::max()} + i128{42}; 
-        i128 divider = dividend; 
-        i128 expectedQuotient = 1; 
-        i128 expectedRemainder = 0; 
- 
-        UNIT_ASSERT_EQUAL(dividend / divider, expectedQuotient); 
-        UNIT_ASSERT_EQUAL(dividend % divider, expectedRemainder); 
-    } 
- 
-    Y_UNIT_TEST(I128DivideMaxI128ByEqual) { 
-        i128 dividend = std::numeric_limits<i128>::max(); 
-        i128 divider = dividend; 
-        i128 expectedQuotient = 1; 
-        i128 expectedRemainder = 0; 
- 
-        UNIT_ASSERT_EQUAL(dividend / divider, expectedQuotient); 
-        UNIT_ASSERT_EQUAL(dividend % divider, expectedRemainder); 
-    } 
- 
-    Y_UNIT_TEST(I128DivideMaxI128Minus1ByEqual) { 
-        i128 dividend = std::numeric_limits<i128>::max() - 1; 
-        i128 divider = dividend; 
-        i128 expectedQuotient = 1; 
-        i128 expectedRemainder = 0; 
- 
-        UNIT_ASSERT_EQUAL(dividend / divider, expectedQuotient); 
-        UNIT_ASSERT_EQUAL(dividend % divider, expectedRemainder); 
-    } 
-} 
- 
-Y_UNIT_TEST_SUITE(I128DivisionLessByHigherSuite) { 
-    Y_UNIT_TEST(I128Divide42By84) { 
-        i128 dividend = 42; 
-        i128 divider = 84; 
-        i128 expectedQuotient = 0; 
-        i128 expectedRemainder = 42; 
- 
-        UNIT_ASSERT_EQUAL(dividend / divider, expectedQuotient); 
-        UNIT_ASSERT_EQUAL(dividend % divider, expectedRemainder); 
-    } 
- 
-    Y_UNIT_TEST(I128Divide42ByMaxUi64) { 
-        i128 dividend = 42; 
-        i128 divider = std::numeric_limits<ui64>::max(); 
-        i128 expectedQuotient = 0; 
-        i128 expectedRemainder = 42; 
- 
-        UNIT_ASSERT_EQUAL(dividend / divider, expectedQuotient); 
-        UNIT_ASSERT_EQUAL(dividend % divider, expectedRemainder); 
-    } 
- 
-    Y_UNIT_TEST(I128Divide42ByMaxUi64Plus1) { 
-        i128 dividend = 42; 
-        i128 divider = i128{std::numeric_limits<ui64>::max()} + i128{1}; 
-        i128 expectedQuotient = 0; 
-        i128 expectedRemainder = 42; 
- 
-        UNIT_ASSERT_EQUAL(dividend / divider, expectedQuotient); 
-        UNIT_ASSERT_EQUAL(dividend % divider, expectedRemainder); 
-    } 
- 
-    Y_UNIT_TEST(I128DivideMaxUi64ByMaxUi64Plus1) { 
-        i128 dividend = i128{std::numeric_limits<ui64>::max()}; 
-        i128 divider = i128{std::numeric_limits<ui64>::max()} + i128{1}; 
-        i128 expectedQuotient = 0; 
-        i128 expectedRemainder = i128{std::numeric_limits<ui64>::max()}; 
- 
-        UNIT_ASSERT_EQUAL(dividend / divider, expectedQuotient); 
-        UNIT_ASSERT_EQUAL(dividend % divider, expectedRemainder); 
-    } 
-} 
- 
-Y_UNIT_TEST_SUITE(I128DivisionWithDifferentSigns) { 
-    Y_UNIT_TEST(DivisionPositiveByNegative) { 
-        i128 dividend = i128{100}; 
-        i128 divider = i128{-33}; 
-        i128 expectedQuotient = -3; 
-        i128 expectedRemainder = 1; 
-        i128 quotient = dividend / divider; 
-        i128 remainder = dividend % divider; 
- 
-        UNIT_ASSERT_EQUAL(quotient, expectedQuotient); 
-        UNIT_ASSERT_EQUAL(remainder, expectedRemainder); 
-    } 
- 
-    Y_UNIT_TEST(DivisionNegativeByPositive) { 
-        i128 dividend = i128{-100}; 
-        i128 divider = i128{33}; 
-        i128 expectedQuotient = -3; 
-        i128 expectedRemainder = -1; 
-        i128 quotient = dividend / divider; 
-        i128 remainder = dividend % divider; 
- 
-        UNIT_ASSERT_EQUAL(quotient, expectedQuotient); 
-        UNIT_ASSERT_EQUAL(remainder, expectedRemainder); 
-    } 
- 
-    Y_UNIT_TEST(DivisionNegativeByNegative) { 
-        i128 dividend = i128{-100}; 
-        i128 divider = i128{-33}; 
-        i128 expectedQuotient = 3; 
-        i128 expectedRemainder = -1; 
-        i128 quotient = dividend / divider; 
-        i128 remainder = dividend % divider; 
- 
-        UNIT_ASSERT_EQUAL(quotient, expectedQuotient); 
-        UNIT_ASSERT_EQUAL(remainder, expectedRemainder); 
-    } 
-} 
- 
-Y_UNIT_TEST_SUITE(i128DivisionBigByBigSuite) { 
-    Y_UNIT_TEST(i128DivideBigByBig1) { 
-        i128 dividend = {64, 0}; 
-        i128 divider = {1, 0}; 
-        i128 expectedQuotient = 64; 
-        i128 expectedRemainder = 0; 
- 
-        UNIT_ASSERT_EQUAL(dividend / divider, expectedQuotient); 
-        UNIT_ASSERT_EQUAL(dividend % divider, expectedRemainder); 
-    } 
- 
-    Y_UNIT_TEST(i128DivideBigByBig1_PosByNeg) { 
-        i128 dividend = i128{64, 0}; 
-        i128 divider = -i128{1, 0}; 
-        i128 expectedQuotient = -i128{64}; 
-        i128 expectedRemainder = 0; 
- 
-        UNIT_ASSERT_EQUAL(dividend / divider, expectedQuotient); 
-        UNIT_ASSERT_EQUAL(dividend % divider, expectedRemainder); 
-    } 
- 
-    Y_UNIT_TEST(i128DivideBigByBig1_NegByPos) { 
-        i128 dividend = -i128{64, 0}; 
-        i128 divider = i128{1, 0}; 
-        i128 expectedQuotient = -i128{64}; 
-        i128 expectedRemainder = 0; 
- 
-        UNIT_ASSERT_EQUAL(dividend / divider, expectedQuotient); 
-        UNIT_ASSERT_EQUAL(dividend % divider, expectedRemainder); 
-    } 
- 
-    Y_UNIT_TEST(i128DivideBigByBig1_NegByNeg) { 
-        i128 dividend = -i128{64, 0}; 
-        i128 divider = -i128{1, 0}; 
-        i128 expectedQuotient = i128{64}; 
-        i128 expectedRemainder = 0; 
- 
-        UNIT_ASSERT_EQUAL(dividend / divider, expectedQuotient); 
-        UNIT_ASSERT_EQUAL(dividend % divider, expectedRemainder); 
-    } 
- 
-    Y_UNIT_TEST(i128DivideBigByBig2) { 
-        i128 dividend = {64, 0}; 
-        i128 divider = {12, 5}; 
-        i128 expectedQuotient = 5; 
-        i128 expectedRemainder = i128{3, 18446744073709551591ull}; // plz don't ask 
- 
-        UNIT_ASSERT_EQUAL(dividend / divider, expectedQuotient); 
-        UNIT_ASSERT_EQUAL(dividend % divider, expectedRemainder); 
-    } 
- 
-    Y_UNIT_TEST(i128DivideBigByBig2_PosByNeg) { 
-        i128 dividend = i128{64, 0}; 
-        i128 divider = -i128{12, 5}; 
-        i128 expectedQuotient = -5; 
-        i128 expectedRemainder = i128{3, 18446744073709551591ull}; 
- 
-        UNIT_ASSERT_EQUAL(dividend / divider, expectedQuotient); 
-        UNIT_ASSERT_EQUAL(dividend % divider, expectedRemainder); 
-    } 
- 
-    Y_UNIT_TEST(i128DivideBigByBig2_NegByPos) { 
-        i128 dividend = -i128{64, 0}; 
-        i128 divider = i128{12, 5}; 
-        i128 expectedQuotient = -5; 
-        i128 expectedRemainder = -i128{3, 18446744073709551591ull}; 
- 
-        UNIT_ASSERT_EQUAL(dividend / divider, expectedQuotient); 
-        UNIT_ASSERT_EQUAL(dividend % divider, expectedRemainder); 
-    } 
- 
-    Y_UNIT_TEST(i128DivideBigByBig2_NegByNeg) { 
-        i128 dividend = -i128{64, 0}; 
-        i128 divider = -i128{12, 5}; 
-        i128 expectedQuotient = 5; 
-        i128 expectedRemainder = -i128{3, 18446744073709551591ull}; 
- 
-        UNIT_ASSERT_EQUAL(dividend / divider, expectedQuotient); 
-        UNIT_ASSERT_EQUAL(dividend % divider, expectedRemainder); 
-    } 
- 
-} 
- 
-Y_UNIT_TEST_SUITE(i128DivisionAlgo) { 
-    Y_UNIT_TEST(ii128DivideAlgoCheck_PosByPos) { 
-        /* 
-            49672666804009505000000 / 10000000 == 4967266680400950 
-            49672666804009505000000 % 10000000 == 5000000 
-        */ 
-        i128 dividend = {2692ull, 14031757583392049728ull}; 
-        i64 divider = 10000000; 
-        i128 expectedQuotient = {0, 4967266680400950ull}; 
-        i128 expectedRemainder = {0, 5000000ull}; 
- 
-        i128 quotient = dividend / divider; 
-        i128 reminder = dividend % divider; 
- 
-        UNIT_ASSERT_EQUAL(quotient, expectedQuotient); 
-        UNIT_ASSERT_EQUAL(reminder, expectedRemainder); 
-    } 
- 
-    Y_UNIT_TEST(ii128DivideAlgoCheck_PosByNeg) { 
-        /* 
-            49672666804009505000000 / -10000000 == -4967266680400950 
-            49672666804009505000000 % -10000000 == 5000000 
-        */ 
-        i128 dividend = {2692ull, 14031757583392049728ull}; 
-        i64 divider = -10000000; 
-        i128 expectedQuotient = -i128{0, 4967266680400950ull}; 
-        i128 expectedRemainder = {0, 5000000ull}; 
- 
-        i128 quotient = dividend / divider; 
-        i128 reminder = dividend % divider; 
- 
-        UNIT_ASSERT_EQUAL(quotient, expectedQuotient); 
-        UNIT_ASSERT_EQUAL(reminder, expectedRemainder); 
-    } 
- 
-    Y_UNIT_TEST(ii128DivideAlgoCheck_NegByPos) { 
-        /* 
-            -49672666804009505000000 / 10000000 == -4967266680400950 
-            -49672666804009505000000 % 10000000 == -5000000 
-        */ 
-        i128 dividend = -i128{2692ull, 14031757583392049728ull}; 
-        i64 divider = 10000000; 
-        i128 expectedQuotient = -i128{0, 4967266680400950ull}; 
-        i128 expectedRemainder = -i128{0, 5000000ull}; 
- 
-        i128 quotient = dividend / divider; 
-        i128 reminder = dividend % divider; 
- 
-        UNIT_ASSERT_EQUAL(quotient, expectedQuotient); 
-        UNIT_ASSERT_EQUAL(reminder, expectedRemainder); 
-    } 
- 
-    Y_UNIT_TEST(ii128DivideAlgoCheck_NegByNeg) { 
-        /* 
-            -49672666804009505000000 / -10000000 == 4967266680400950 
-            -49672666804009505000000 % -10000000 == -5000000 
-        */ 
-        i128 dividend = -i128{2692ull, 14031757583392049728ull}; 
-        i64 divider = -10000000; 
-        i128 expectedQuotient = {0, 4967266680400950ull}; 
-        i128 expectedRemainder = -i128{0, 5000000ull}; 
- 
-        i128 quotient = dividend / divider; 
-        i128 reminder = dividend % divider; 
- 
-        UNIT_ASSERT_EQUAL(quotient, expectedQuotient); 
-        UNIT_ASSERT_EQUAL(reminder, expectedRemainder); 
-    } 
- 
-} 
+
+#include <util/generic/cast.h>
+
+Y_UNIT_TEST_SUITE(I128DivisionBy1Suite) {
+    Y_UNIT_TEST(I128Divide0By1) {
+        i128 dividend = 0;
+        i128 divider = 1;
+        i128 expectedQuotient = 0;
+        i128 expectedRemainder = 0;
+
+        UNIT_ASSERT_EQUAL(dividend / divider, expectedQuotient);
+        UNIT_ASSERT_EQUAL(dividend % divider, expectedRemainder);
+    }
+
+    Y_UNIT_TEST(I128Divide1By1) {
+        i128 dividend = 1;
+        i128 divider = 1;
+        i128 expectedQuotient = 1;
+        i128 expectedRemainder = 0;
+
+        UNIT_ASSERT_EQUAL(dividend / divider, expectedQuotient);
+        UNIT_ASSERT_EQUAL(dividend % divider, expectedRemainder);
+    }
+
+    Y_UNIT_TEST(I128Divide2By1) {
+        i128 dividend = 2;
+        i128 divider = 1;
+        i128 expectedQuotient = 2;
+        i128 expectedRemainder = 0;
+
+        UNIT_ASSERT_EQUAL(dividend / divider, expectedQuotient);
+        UNIT_ASSERT_EQUAL(dividend % divider, expectedRemainder);
+    }
+
+    Y_UNIT_TEST(I128Divide42By1) {
+        i128 dividend = 42;
+        i128 divider = 1;
+        i128 expectedQuotient = 42;
+        i128 expectedRemainder = 0;
+
+        UNIT_ASSERT_EQUAL(dividend / divider, expectedQuotient);
+        UNIT_ASSERT_EQUAL(dividend % divider, expectedRemainder);
+    }
+
+    Y_UNIT_TEST(I128DivideMaxUi64By1) {
+        i128 dividend = std::numeric_limits<ui64>::max();
+        i128 divider = 1;
+        i128 expectedQuotient = std::numeric_limits<ui64>::max();
+        i128 expectedRemainder = 0;
+
+        UNIT_ASSERT_EQUAL(dividend / divider, expectedQuotient);
+        UNIT_ASSERT_EQUAL(dividend % divider, expectedRemainder);
+    }
+
+    Y_UNIT_TEST(I128DivideMaxUi64Plus1By1) {
+        i128 dividend = i128{std::numeric_limits<ui64>::max()} + i128{1};
+        i128 divider = 1;
+        i128 expectedQuotient = i128{std::numeric_limits<ui64>::max()} + i128{1};
+        i128 expectedRemainder = 0;
+
+        UNIT_ASSERT_EQUAL(dividend / divider, expectedQuotient);
+        UNIT_ASSERT_EQUAL(dividend % divider, expectedRemainder);
+    }
+
+    Y_UNIT_TEST(I128DivideMaxUi64Plus42By1) {
+        i128 dividend = i128{std::numeric_limits<ui64>::max()} + i128{42};
+        i128 divider = 1;
+        i128 expectedQuotient = i128{std::numeric_limits<ui64>::max()} + i128{42};
+        i128 expectedRemainder = 0;
+
+        UNIT_ASSERT_EQUAL(dividend / divider, expectedQuotient);
+        UNIT_ASSERT_EQUAL(dividend % divider, expectedRemainder);
+    }
+
+    Y_UNIT_TEST(I128DivideMaxI128By1) {
+        i128 dividend = std::numeric_limits<i128>::max();
+        i128 divider = 1;
+        i128 expectedQuotient = std::numeric_limits<i128>::max();
+        i128 expectedRemainder = 0;
+
+        UNIT_ASSERT_EQUAL(dividend / divider, expectedQuotient);
+        UNIT_ASSERT_EQUAL(dividend % divider, expectedRemainder);
+    }
+
+    Y_UNIT_TEST(I128DivideMaxI128Minus1By1) {
+        i128 dividend = std::numeric_limits<i128>::max() - 1;
+        i128 divider = 1;
+        i128 expectedQuotient = std::numeric_limits<i128>::max() - 1;
+        i128 expectedRemainder = 0;
+
+        UNIT_ASSERT_EQUAL(dividend / divider, expectedQuotient);
+        UNIT_ASSERT_EQUAL(dividend % divider, expectedRemainder);
+    }
+}
+
+Y_UNIT_TEST_SUITE(I128DivisionByEqualSuite) {
+    Y_UNIT_TEST(I128Divide1ByEqual) {
+        i128 dividend = 1;
+        i128 divider = dividend;
+        i128 expectedQuotient = 1;
+        i128 expectedRemainder = 0;
+
+        UNIT_ASSERT_EQUAL(dividend / divider, expectedQuotient);
+        UNIT_ASSERT_EQUAL(dividend % divider, expectedRemainder);
+    }
+
+    Y_UNIT_TEST(I128Divide2ByEqual) {
+        i128 dividend = 2;
+        i128 divider = dividend;
+        i128 expectedQuotient = 1;
+        i128 expectedRemainder = 0;
+
+        UNIT_ASSERT_EQUAL(dividend / divider, expectedQuotient);
+        UNIT_ASSERT_EQUAL(dividend % divider, expectedRemainder);
+    }
+
+    Y_UNIT_TEST(I128Divide42ByEqual) {
+        i128 dividend = 42;
+        i128 divider = dividend;
+        i128 expectedQuotient = 1;
+        i128 expectedRemainder = 0;
+
+        UNIT_ASSERT_EQUAL(dividend / divider, expectedQuotient);
+        UNIT_ASSERT_EQUAL(dividend % divider, expectedRemainder);
+    }
+
+    Y_UNIT_TEST(I128DivideMaxUi64ByEqual) {
+        i128 dividend = std::numeric_limits<ui64>::max();
+        i128 divider = dividend;
+        i128 expectedQuotient = 1;
+        i128 expectedRemainder = 0;
+
+        UNIT_ASSERT_EQUAL(dividend / divider, expectedQuotient);
+        UNIT_ASSERT_EQUAL(dividend % divider, expectedRemainder);
+    }
+
+    Y_UNIT_TEST(I128DivideMaxUi64Plus1ByEqual) {
+        i128 dividend = i128{std::numeric_limits<ui64>::max()} + i128{1};
+        i128 divider = dividend;
+        i128 expectedQuotient = 1;
+        i128 expectedRemainder = 0;
+
+        UNIT_ASSERT_EQUAL(dividend / divider, expectedQuotient);
+        UNIT_ASSERT_EQUAL(dividend % divider, expectedRemainder);
+    }
+
+    Y_UNIT_TEST(I128DivideMaxUi64Plus42ByEqual) {
+        i128 dividend = i128{std::numeric_limits<ui64>::max()} + i128{42};
+        i128 divider = dividend;
+        i128 expectedQuotient = 1;
+        i128 expectedRemainder = 0;
+
+        UNIT_ASSERT_EQUAL(dividend / divider, expectedQuotient);
+        UNIT_ASSERT_EQUAL(dividend % divider, expectedRemainder);
+    }
+
+    Y_UNIT_TEST(I128DivideMaxI128ByEqual) {
+        i128 dividend = std::numeric_limits<i128>::max();
+        i128 divider = dividend;
+        i128 expectedQuotient = 1;
+        i128 expectedRemainder = 0;
+
+        UNIT_ASSERT_EQUAL(dividend / divider, expectedQuotient);
+        UNIT_ASSERT_EQUAL(dividend % divider, expectedRemainder);
+    }
+
+    Y_UNIT_TEST(I128DivideMaxI128Minus1ByEqual) {
+        i128 dividend = std::numeric_limits<i128>::max() - 1;
+        i128 divider = dividend;
+        i128 expectedQuotient = 1;
+        i128 expectedRemainder = 0;
+
+        UNIT_ASSERT_EQUAL(dividend / divider, expectedQuotient);
+        UNIT_ASSERT_EQUAL(dividend % divider, expectedRemainder);
+    }
+}
+
+Y_UNIT_TEST_SUITE(I128DivisionLessByHigherSuite) {
+    Y_UNIT_TEST(I128Divide42By84) {
+        i128 dividend = 42;
+        i128 divider = 84;
+        i128 expectedQuotient = 0;
+        i128 expectedRemainder = 42;
+
+        UNIT_ASSERT_EQUAL(dividend / divider, expectedQuotient);
+        UNIT_ASSERT_EQUAL(dividend % divider, expectedRemainder);
+    }
+
+    Y_UNIT_TEST(I128Divide42ByMaxUi64) {
+        i128 dividend = 42;
+        i128 divider = std::numeric_limits<ui64>::max();
+        i128 expectedQuotient = 0;
+        i128 expectedRemainder = 42;
+
+        UNIT_ASSERT_EQUAL(dividend / divider, expectedQuotient);
+        UNIT_ASSERT_EQUAL(dividend % divider, expectedRemainder);
+    }
+
+    Y_UNIT_TEST(I128Divide42ByMaxUi64Plus1) {
+        i128 dividend = 42;
+        i128 divider = i128{std::numeric_limits<ui64>::max()} + i128{1};
+        i128 expectedQuotient = 0;
+        i128 expectedRemainder = 42;
+
+        UNIT_ASSERT_EQUAL(dividend / divider, expectedQuotient);
+        UNIT_ASSERT_EQUAL(dividend % divider, expectedRemainder);
+    }
+
+    Y_UNIT_TEST(I128DivideMaxUi64ByMaxUi64Plus1) {
+        i128 dividend = i128{std::numeric_limits<ui64>::max()};
+        i128 divider = i128{std::numeric_limits<ui64>::max()} + i128{1};
+        i128 expectedQuotient = 0;
+        i128 expectedRemainder = i128{std::numeric_limits<ui64>::max()};
+
+        UNIT_ASSERT_EQUAL(dividend / divider, expectedQuotient);
+        UNIT_ASSERT_EQUAL(dividend % divider, expectedRemainder);
+    }
+}
+
+Y_UNIT_TEST_SUITE(I128DivisionWithDifferentSigns) {
+    Y_UNIT_TEST(DivisionPositiveByNegative) {
+        i128 dividend = i128{100};
+        i128 divider = i128{-33};
+        i128 expectedQuotient = -3;
+        i128 expectedRemainder = 1;
+        i128 quotient = dividend / divider;
+        i128 remainder = dividend % divider;
+
+        UNIT_ASSERT_EQUAL(quotient, expectedQuotient);
+        UNIT_ASSERT_EQUAL(remainder, expectedRemainder);
+    }
+
+    Y_UNIT_TEST(DivisionNegativeByPositive) {
+        i128 dividend = i128{-100};
+        i128 divider = i128{33};
+        i128 expectedQuotient = -3;
+        i128 expectedRemainder = -1;
+        i128 quotient = dividend / divider;
+        i128 remainder = dividend % divider;
+
+        UNIT_ASSERT_EQUAL(quotient, expectedQuotient);
+        UNIT_ASSERT_EQUAL(remainder, expectedRemainder);
+    }
+
+    Y_UNIT_TEST(DivisionNegativeByNegative) {
+        i128 dividend = i128{-100};
+        i128 divider = i128{-33};
+        i128 expectedQuotient = 3;
+        i128 expectedRemainder = -1;
+        i128 quotient = dividend / divider;
+        i128 remainder = dividend % divider;
+
+        UNIT_ASSERT_EQUAL(quotient, expectedQuotient);
+        UNIT_ASSERT_EQUAL(remainder, expectedRemainder);
+    }
+}
+
+Y_UNIT_TEST_SUITE(i128DivisionBigByBigSuite) {
+    Y_UNIT_TEST(i128DivideBigByBig1) {
+        i128 dividend = {64, 0};
+        i128 divider = {1, 0};
+        i128 expectedQuotient = 64;
+        i128 expectedRemainder = 0;
+
+        UNIT_ASSERT_EQUAL(dividend / divider, expectedQuotient);
+        UNIT_ASSERT_EQUAL(dividend % divider, expectedRemainder);
+    }
+
+    Y_UNIT_TEST(i128DivideBigByBig1_PosByNeg) {
+        i128 dividend = i128{64, 0};
+        i128 divider = -i128{1, 0};
+        i128 expectedQuotient = -i128{64};
+        i128 expectedRemainder = 0;
+
+        UNIT_ASSERT_EQUAL(dividend / divider, expectedQuotient);
+        UNIT_ASSERT_EQUAL(dividend % divider, expectedRemainder);
+    }
+
+    Y_UNIT_TEST(i128DivideBigByBig1_NegByPos) {
+        i128 dividend = -i128{64, 0};
+        i128 divider = i128{1, 0};
+        i128 expectedQuotient = -i128{64};
+        i128 expectedRemainder = 0;
+
+        UNIT_ASSERT_EQUAL(dividend / divider, expectedQuotient);
+        UNIT_ASSERT_EQUAL(dividend % divider, expectedRemainder);
+    }
+
+    Y_UNIT_TEST(i128DivideBigByBig1_NegByNeg) {
+        i128 dividend = -i128{64, 0};
+        i128 divider = -i128{1, 0};
+        i128 expectedQuotient = i128{64};
+        i128 expectedRemainder = 0;
+
+        UNIT_ASSERT_EQUAL(dividend / divider, expectedQuotient);
+        UNIT_ASSERT_EQUAL(dividend % divider, expectedRemainder);
+    }
+
+    Y_UNIT_TEST(i128DivideBigByBig2) {
+        i128 dividend = {64, 0};
+        i128 divider = {12, 5};
+        i128 expectedQuotient = 5;
+        i128 expectedRemainder = i128{3, 18446744073709551591ull}; // plz don't ask
+
+        UNIT_ASSERT_EQUAL(dividend / divider, expectedQuotient);
+        UNIT_ASSERT_EQUAL(dividend % divider, expectedRemainder);
+    }
+
+    Y_UNIT_TEST(i128DivideBigByBig2_PosByNeg) {
+        i128 dividend = i128{64, 0};
+        i128 divider = -i128{12, 5};
+        i128 expectedQuotient = -5;
+        i128 expectedRemainder = i128{3, 18446744073709551591ull};
+
+        UNIT_ASSERT_EQUAL(dividend / divider, expectedQuotient);
+        UNIT_ASSERT_EQUAL(dividend % divider, expectedRemainder);
+    }
+
+    Y_UNIT_TEST(i128DivideBigByBig2_NegByPos) {
+        i128 dividend = -i128{64, 0};
+        i128 divider = i128{12, 5};
+        i128 expectedQuotient = -5;
+        i128 expectedRemainder = -i128{3, 18446744073709551591ull};
+
+        UNIT_ASSERT_EQUAL(dividend / divider, expectedQuotient);
+        UNIT_ASSERT_EQUAL(dividend % divider, expectedRemainder);
+    }
+
+    Y_UNIT_TEST(i128DivideBigByBig2_NegByNeg) {
+        i128 dividend = -i128{64, 0};
+        i128 divider = -i128{12, 5};
+        i128 expectedQuotient = 5;
+        i128 expectedRemainder = -i128{3, 18446744073709551591ull};
+
+        UNIT_ASSERT_EQUAL(dividend / divider, expectedQuotient);
+        UNIT_ASSERT_EQUAL(dividend % divider, expectedRemainder);
+    }
+
+}
+
+Y_UNIT_TEST_SUITE(i128DivisionAlgo) {
+    Y_UNIT_TEST(ii128DivideAlgoCheck_PosByPos) {
+        /*
+            49672666804009505000000 / 10000000 == 4967266680400950
+            49672666804009505000000 % 10000000 == 5000000
+        */
+        i128 dividend = {2692ull, 14031757583392049728ull};
+        i64 divider = 10000000;
+        i128 expectedQuotient = {0, 4967266680400950ull};
+        i128 expectedRemainder = {0, 5000000ull};
+
+        i128 quotient = dividend / divider;
+        i128 reminder = dividend % divider;
+
+        UNIT_ASSERT_EQUAL(quotient, expectedQuotient);
+        UNIT_ASSERT_EQUAL(reminder, expectedRemainder);
+    }
+
+    Y_UNIT_TEST(ii128DivideAlgoCheck_PosByNeg) {
+        /*
+            49672666804009505000000 / -10000000 == -4967266680400950
+            49672666804009505000000 % -10000000 == 5000000
+        */
+        i128 dividend = {2692ull, 14031757583392049728ull};
+        i64 divider = -10000000;
+        i128 expectedQuotient = -i128{0, 4967266680400950ull};
+        i128 expectedRemainder = {0, 5000000ull};
+
+        i128 quotient = dividend / divider;
+        i128 reminder = dividend % divider;
+
+        UNIT_ASSERT_EQUAL(quotient, expectedQuotient);
+        UNIT_ASSERT_EQUAL(reminder, expectedRemainder);
+    }
+
+    Y_UNIT_TEST(ii128DivideAlgoCheck_NegByPos) {
+        /*
+            -49672666804009505000000 / 10000000 == -4967266680400950
+            -49672666804009505000000 % 10000000 == -5000000
+        */
+        i128 dividend = -i128{2692ull, 14031757583392049728ull};
+        i64 divider = 10000000;
+        i128 expectedQuotient = -i128{0, 4967266680400950ull};
+        i128 expectedRemainder = -i128{0, 5000000ull};
+
+        i128 quotient = dividend / divider;
+        i128 reminder = dividend % divider;
+
+        UNIT_ASSERT_EQUAL(quotient, expectedQuotient);
+        UNIT_ASSERT_EQUAL(reminder, expectedRemainder);
+    }
+
+    Y_UNIT_TEST(ii128DivideAlgoCheck_NegByNeg) {
+        /*
+            -49672666804009505000000 / -10000000 == 4967266680400950
+            -49672666804009505000000 % -10000000 == -5000000
+        */
+        i128 dividend = -i128{2692ull, 14031757583392049728ull};
+        i64 divider = -10000000;
+        i128 expectedQuotient = {0, 4967266680400950ull};
+        i128 expectedRemainder = -i128{0, 5000000ull};
+
+        i128 quotient = dividend / divider;
+        i128 reminder = dividend % divider;
+
+        UNIT_ASSERT_EQUAL(quotient, expectedQuotient);
+        UNIT_ASSERT_EQUAL(reminder, expectedRemainder);
+    }
+
+}
diff --git a/library/cpp/int128/ut/i128_type_traits_ut.cpp b/library/cpp/int128/ut/i128_type_traits_ut.cpp
index 87a49ad985..4ed87bf229 100644
--- a/library/cpp/int128/ut/i128_type_traits_ut.cpp
+++ b/library/cpp/int128/ut/i128_type_traits_ut.cpp
@@ -1,68 +1,68 @@
 #include <library/cpp/testing/unittest/registar.h>
- 
+
 #include <library/cpp/int128/int128.h>
- 
-#include <util/generic/cast.h> 
- 
-Y_UNIT_TEST_SUITE(I128TypeTraitsSuite) { 
-    Y_UNIT_TEST(OperatorNegate0) { 
-        const i128 n = 0; 
-        const i128 m = -n; 
-        UNIT_ASSERT(n == m); 
-    } 
- 
-    Y_UNIT_TEST(OperatorNegate1) { 
-        const i128 n = 1; 
-        const i128 m = -n; 
-        const i128 expected = -1; 
-        UNIT_ASSERT(m == expected); 
-    } 
- 
-    Y_UNIT_TEST(OperatorNegate2Pow64) { 
-        const i128 n = i128{1, 0}; 
-        const i128 m = -n; 
-        const i128 expected = {static_cast<ui64>(-1), 0}; 
-        UNIT_ASSERT(m == expected); 
-    } 
- 
-    Y_UNIT_TEST(OperatorNegateNegate) { 
-        const i128 x = 1; 
-        const i128 y = -x; 
-        const i128 z = -y; 
-        UNIT_ASSERT(z == x); 
-    } 
- 
-    Y_UNIT_TEST(AbsFromPositive) { 
-        const i128 n = 1; 
-        const i128 m = std::abs(n); 
-        UNIT_ASSERT(m == n); 
-    } 
- 
-    Y_UNIT_TEST(AbsFromNegative) { 
-        const i128 n = -1; 
-        const i128 m = std::abs(n); 
-        const i128 expected = 1; 
-        UNIT_ASSERT(m == expected); 
-    } 
- 
-    Y_UNIT_TEST(AbsFromZero) { 
-        const i128 n = 0; 
-        const i128 m = std::abs(n); 
-        UNIT_ASSERT(m == n); 
-    } 
- 
-    Y_UNIT_TEST(SignbitOfPositive) { 
-        const i128 n = 1; 
-        UNIT_ASSERT(!std::signbit(n)); 
-    } 
- 
-    Y_UNIT_TEST(SignbitOfNegative) { 
-        const i128 n = -1; 
-        UNIT_ASSERT(std::signbit(n)); 
-    } 
- 
-    Y_UNIT_TEST(SignbitOfZero) { 
-        const i128 n = 0; 
-        UNIT_ASSERT(!std::signbit(n)); 
-    } 
-} 
+
+#include <util/generic/cast.h>
+
+Y_UNIT_TEST_SUITE(I128TypeTraitsSuite) {
+    Y_UNIT_TEST(OperatorNegate0) {
+        const i128 n = 0;
+        const i128 m = -n;
+        UNIT_ASSERT(n == m);
+    }
+
+    Y_UNIT_TEST(OperatorNegate1) {
+        const i128 n = 1;
+        const i128 m = -n;
+        const i128 expected = -1;
+        UNIT_ASSERT(m == expected);
+    }
+
+    Y_UNIT_TEST(OperatorNegate2Pow64) {
+        const i128 n = i128{1, 0};
+        const i128 m = -n;
+        const i128 expected = {static_cast<ui64>(-1), 0};
+        UNIT_ASSERT(m == expected);
+    }
+
+    Y_UNIT_TEST(OperatorNegateNegate) {
+        const i128 x = 1;
+        const i128 y = -x;
+        const i128 z = -y;
+        UNIT_ASSERT(z == x);
+    }
+
+    Y_UNIT_TEST(AbsFromPositive) {
+        const i128 n = 1;
+        const i128 m = std::abs(n);
+        UNIT_ASSERT(m == n);
+    }
+
+    Y_UNIT_TEST(AbsFromNegative) {
+        const i128 n = -1;
+        const i128 m = std::abs(n);
+        const i128 expected = 1;
+        UNIT_ASSERT(m == expected);
+    }
+
+    Y_UNIT_TEST(AbsFromZero) {
+        const i128 n = 0;
+        const i128 m = std::abs(n);
+        UNIT_ASSERT(m == n);
+    }
+
+    Y_UNIT_TEST(SignbitOfPositive) {
+        const i128 n = 1;
+        UNIT_ASSERT(!std::signbit(n));
+    }
+
+    Y_UNIT_TEST(SignbitOfNegative) {
+        const i128 n = -1;
+        UNIT_ASSERT(std::signbit(n));
+    }
+
+    Y_UNIT_TEST(SignbitOfZero) {
+        const i128 n = 0;
+        UNIT_ASSERT(!std::signbit(n));
+    }
+}
diff --git a/library/cpp/int128/ut/i128_ut.cpp b/library/cpp/int128/ut/i128_ut.cpp
index 39408d4d37..c196d132a2 100644
--- a/library/cpp/int128/ut/i128_ut.cpp
+++ b/library/cpp/int128/ut/i128_ut.cpp
@@ -1,12 +1,12 @@
 #include <library/cpp/testing/unittest/registar.h>
- 
+
 #include <library/cpp/int128/int128.h>
- 
-#include <util/generic/cast.h> 
- 
-Y_UNIT_TEST_SUITE(I128Suite) { 
-    Y_UNIT_TEST(CreateI128FromUnsigned) { 
-        i128 v{ui64(1)}; 
-        Y_UNUSED(v); 
-    } 
-} 
+
+#include <util/generic/cast.h>
+
+Y_UNIT_TEST_SUITE(I128Suite) {
+    Y_UNIT_TEST(CreateI128FromUnsigned) {
+        i128 v{ui64(1)};
+        Y_UNUSED(v);
+    }
+}
diff --git a/library/cpp/int128/ut/int128_old_ut.cpp b/library/cpp/int128/ut/int128_old_ut.cpp
index e8dfbff5c2..2c5b9e9610 100644
--- a/library/cpp/int128/ut/int128_old_ut.cpp
+++ b/library/cpp/int128/ut/int128_old_ut.cpp
@@ -1,8 +1,8 @@
 #include <library/cpp/testing/unittest/registar.h>
 #include <library/cpp/int128/int128.h>
 
-#include "int128_ut_helpers.h" 
- 
+#include "int128_ut_helpers.h"
+
 class TUInt128Test: public TTestBase {
     UNIT_TEST_SUITE(TUInt128Test);
     UNIT_TEST(Create);
@@ -13,9 +13,9 @@ class TUInt128Test: public TTestBase {
     UNIT_TEST(Underflow);
     UNIT_TEST(ToStringTest);
     UNIT_TEST(FromStringTest);
-#if defined(Y_HAVE_INT128) 
+#if defined(Y_HAVE_INT128)
     UNIT_TEST(FromSystemUint128);
-#endif 
+#endif
     UNIT_TEST_SUITE_END();
 
 private:
@@ -25,30 +25,30 @@ private:
     void Shift();
     void Overflow();
     void Underflow();
-    void ToStringTest(); 
-    void FromStringTest(); 
-#if defined(Y_HAVE_INT128) 
-    void FromSystemUint128(); 
-#endif 
+    void ToStringTest();
+    void FromStringTest();
+#if defined(Y_HAVE_INT128)
+    void FromSystemUint128();
+#endif
 };
 
 UNIT_TEST_SUITE_REGISTRATION(TUInt128Test);
 
 void TUInt128Test::Create() {
-    const ui128 n1 = 10; 
+    const ui128 n1 = 10;
     UNIT_ASSERT_EQUAL(n1, 10);
 
-    const ui128 n2 = n1; 
+    const ui128 n2 = n1;
     UNIT_ASSERT_EQUAL(n2, 10);
 
-    const ui128 n3(10); 
+    const ui128 n3(10);
     UNIT_ASSERT_EQUAL(n3, 10);
 }
 void TUInt128Test::Minus() {
-    const ui128 n2 = 20; 
-    const ui128 n3 = 30; 
+    const ui128 n2 = 20;
+    const ui128 n3 = 30;
 
-    ui128 n4 = n3 - n2; 
+    ui128 n4 = n3 - n2;
     UNIT_ASSERT_EQUAL(n4, 10);
 
     n4 = n4 - 2;
@@ -61,10 +61,10 @@ void TUInt128Test::Minus() {
     UNIT_ASSERT_EQUAL(n4, 4);
 }
 void TUInt128Test::Plus() {
-    const ui128 n2 = 20; 
-    const ui128 n3 = 30; 
+    const ui128 n2 = 20;
+    const ui128 n3 = 30;
 
-    ui128 n4 = n3 + n2; 
+    ui128 n4 = n3 + n2;
     UNIT_ASSERT_EQUAL(n4, 50);
 
     n4 = n4 + 2;
@@ -77,103 +77,103 @@ void TUInt128Test::Plus() {
     UNIT_ASSERT_EQUAL(n4, 64);
 }
 void TUInt128Test::Shift() {
-    ui128 n = 1; 
+    ui128 n = 1;
 
-    const ui128 n4 = n << 4; 
-    UNIT_ASSERT_EQUAL(n4, ui128(0x0, 0x0000000000000010)); 
+    const ui128 n4 = n << 4;
+    UNIT_ASSERT_EQUAL(n4, ui128(0x0, 0x0000000000000010));
     UNIT_ASSERT_EQUAL(n4 >> 4, 1);
 
-    const ui128 n8 = n << 8; 
-    UNIT_ASSERT_EQUAL(n8, ui128(0x0, 0x0000000000000100)); 
+    const ui128 n8 = n << 8;
+    UNIT_ASSERT_EQUAL(n8, ui128(0x0, 0x0000000000000100));
     UNIT_ASSERT_EQUAL(n8 >> 8, 1);
 
-    const ui128 n60 = n << 60; 
-    UNIT_ASSERT_EQUAL(n60, ui128(0x0, 0x1000000000000000)); 
+    const ui128 n60 = n << 60;
+    UNIT_ASSERT_EQUAL(n60, ui128(0x0, 0x1000000000000000));
     UNIT_ASSERT_EQUAL(n60 >> 60, 1);
 
-    const ui128 n64 = n << 64; 
-    UNIT_ASSERT_EQUAL(n64, ui128(0x1, 0x0000000000000000)); 
+    const ui128 n64 = n << 64;
+    UNIT_ASSERT_EQUAL(n64, ui128(0x1, 0x0000000000000000));
     UNIT_ASSERT_EQUAL(n64 >> 64, 1);
 
-    const ui128 n124 = n << 124; 
-    UNIT_ASSERT_EQUAL(n124, ui128(0x1000000000000000, 0x0000000000000000)); 
+    const ui128 n124 = n << 124;
+    UNIT_ASSERT_EQUAL(n124, ui128(0x1000000000000000, 0x0000000000000000));
     UNIT_ASSERT_EQUAL(n124 >> 124, 1);
 }
 
 void TUInt128Test::Overflow() {
-    ui128 n = ui128(0xFFFFFFFFFFFFFFFF, 0xFFFFFFFFFFFFFFFF); 
-    const ui128 n2 = n + 2; 
+    ui128 n = ui128(0xFFFFFFFFFFFFFFFF, 0xFFFFFFFFFFFFFFFF);
+    const ui128 n2 = n + 2;
     UNIT_ASSERT_EQUAL(n2, 1);
 }
 void TUInt128Test::Underflow() {
-    ui128 n = 1; 
-    const ui128 n128 = n - 2; 
-    UNIT_ASSERT_EQUAL(n128, ui128(0xFFFFFFFFFFFFFFFF, 0xFFFFFFFFFFFFFFFF)); 
+    ui128 n = 1;
+    const ui128 n128 = n - 2;
+    UNIT_ASSERT_EQUAL(n128, ui128(0xFFFFFFFFFFFFFFFF, 0xFFFFFFFFFFFFFFFF));
+}
+
+void TUInt128Test::ToStringTest() {
+    ui128 n(0xFFFFFFFFFFFFFFFF, 0xFFFFFFFFFFFFFFFF);
+    TString correct = "340282366920938463463374607431768211455";
+    UNIT_ASSERT_EQUAL(correct, ::ToString(n));
+}
+
+void TUInt128Test::FromStringTest() {
+    {
+        const TString originalString = "37778931862957161709568";
+        const ui128 number = FromString<ui128>(originalString);
+        UNIT_ASSERT_EQUAL(ToString(number), originalString);
+    }
+
+    {
+        const TString originalString = "1024";
+        const ui128 number = FromString<ui128>(originalString);
+        UNIT_ASSERT_EQUAL(ToString(number), originalString);
+        UNIT_ASSERT_EQUAL(GetHigh(number), 0);
+        UNIT_ASSERT_EQUAL(GetLow(number), 1024);
+    }
+
+    {
+        const TString originalString = "18446744073709551616"; // 2^64, i.e. UINT64_MAX + 1
+        const ui128 number = FromString<ui128>(originalString);
+        UNIT_ASSERT_EQUAL(ToString(number), originalString);
+        UNIT_ASSERT_EQUAL(GetHigh(number), 1);
+        UNIT_ASSERT_EQUAL(GetLow(number), 0);
+    }
+
+    {
+        const TString originalString = "340282366920938463463374607431768211455"; // 2^128-1, i.e. UINT128_MAX
+        const ui128 number = FromString<ui128>(originalString);
+        UNIT_ASSERT_EQUAL(ToString(number), originalString);
+        UNIT_ASSERT_EQUAL(GetHigh(number), 0xFFFFFFFFFFFFFFFF);
+        UNIT_ASSERT_EQUAL(GetLow(number), 0xFFFFFFFFFFFFFFFF);
+    }
+}
+
+#if defined(Y_HAVE_INT128)
+void TUInt128Test::FromSystemUint128() {
+    unsigned __int128 n = 1;
+    ui128 number{n};
+
+    UNIT_ASSERT_EQUAL(GetLow(number), 1);
+    UNIT_ASSERT_EQUAL(GetHigh(number), 0);
+
+    auto byteArray = NInt128Private::GetAsArray(number);
+#ifdef _little_endian_
+    UNIT_ASSERT_EQUAL(byteArray[0], 1);
+    for (size_t i = 1; i < 16; i++) {
+        UNIT_ASSERT_EQUAL(byteArray[i], 0);
+    }
+#elif defined(_big_endian_)
+    UNIT_ASSERT_EQUAL(byteArray[15], 1);
+    for (size_t i = 0; i < 15; i++) {
+        UNIT_ASSERT_EQUAL(byteArray[i], 0);
+    }
+#endif
+
+    UNIT_ASSERT_EQUAL(std::memcmp((void*)&n, (void*)&number, 16), 0);
+
+    UNIT_ASSERT_EQUAL(ToString(n), "1");
+
+    UNIT_ASSERT_EQUAL(FromString<unsigned __int128>(ToString(n)), n);
 }
- 
-void TUInt128Test::ToStringTest() { 
-    ui128 n(0xFFFFFFFFFFFFFFFF, 0xFFFFFFFFFFFFFFFF); 
-    TString correct = "340282366920938463463374607431768211455"; 
-    UNIT_ASSERT_EQUAL(correct, ::ToString(n)); 
-} 
- 
-void TUInt128Test::FromStringTest() { 
-    { 
-        const TString originalString = "37778931862957161709568"; 
-        const ui128 number = FromString<ui128>(originalString); 
-        UNIT_ASSERT_EQUAL(ToString(number), originalString); 
-    } 
- 
-    { 
-        const TString originalString = "1024"; 
-        const ui128 number = FromString<ui128>(originalString); 
-        UNIT_ASSERT_EQUAL(ToString(number), originalString); 
-        UNIT_ASSERT_EQUAL(GetHigh(number), 0); 
-        UNIT_ASSERT_EQUAL(GetLow(number), 1024); 
-    } 
- 
-    { 
-        const TString originalString = "18446744073709551616"; // 2^64, i.e. UINT64_MAX + 1 
-        const ui128 number = FromString<ui128>(originalString); 
-        UNIT_ASSERT_EQUAL(ToString(number), originalString); 
-        UNIT_ASSERT_EQUAL(GetHigh(number), 1); 
-        UNIT_ASSERT_EQUAL(GetLow(number), 0); 
-    } 
- 
-    { 
-        const TString originalString = "340282366920938463463374607431768211455"; // 2^128-1, i.e. UINT128_MAX 
-        const ui128 number = FromString<ui128>(originalString); 
-        UNIT_ASSERT_EQUAL(ToString(number), originalString); 
-        UNIT_ASSERT_EQUAL(GetHigh(number), 0xFFFFFFFFFFFFFFFF); 
-        UNIT_ASSERT_EQUAL(GetLow(number), 0xFFFFFFFFFFFFFFFF); 
-    } 
-} 
- 
-#if defined(Y_HAVE_INT128) 
-void TUInt128Test::FromSystemUint128() { 
-    unsigned __int128 n = 1; 
-    ui128 number{n}; 
- 
-    UNIT_ASSERT_EQUAL(GetLow(number), 1); 
-    UNIT_ASSERT_EQUAL(GetHigh(number), 0); 
- 
-    auto byteArray = NInt128Private::GetAsArray(number); 
-#ifdef _little_endian_ 
-    UNIT_ASSERT_EQUAL(byteArray[0], 1); 
-    for (size_t i = 1; i < 16; i++) { 
-        UNIT_ASSERT_EQUAL(byteArray[i], 0); 
-    } 
-#elif defined(_big_endian_) 
-    UNIT_ASSERT_EQUAL(byteArray[15], 1); 
-    for (size_t i = 0; i < 15; i++) { 
-        UNIT_ASSERT_EQUAL(byteArray[i], 0); 
-    } 
-#endif 
- 
-    UNIT_ASSERT_EQUAL(std::memcmp((void*)&n, (void*)&number, 16), 0); 
- 
-    UNIT_ASSERT_EQUAL(ToString(n), "1"); 
- 
-    UNIT_ASSERT_EQUAL(FromString<unsigned __int128>(ToString(n)), n); 
-} 
-#endif 
+#endif
diff --git a/library/cpp/int128/ut/int128_typetraits_ut.cpp b/library/cpp/int128/ut/int128_typetraits_ut.cpp
index 32be581dd0..fd5f19d7b8 100644
--- a/library/cpp/int128/ut/int128_typetraits_ut.cpp
+++ b/library/cpp/int128/ut/int128_typetraits_ut.cpp
@@ -1,306 +1,306 @@
 #include <library/cpp/testing/unittest/registar.h>
- 
+
 #include <library/cpp/int128/int128.h>
- 
-#include <type_traits> 
- 
-Y_UNIT_TEST_SUITE(TypeTraitsSuite) { 
-    Y_UNIT_TEST(Uint128TypeTraits) { 
-        // checks that all type traits of ui128 are the same as of ui64 
-        // https://en.cppreference.com/w/cpp/header/type_traits 
-        UNIT_ASSERT_EQUAL( 
-            std::is_void<ui128>::value, 
-            std::is_void<ui64>::value 
-        ); 
-        UNIT_ASSERT_EQUAL( 
-            std::is_null_pointer<ui128>::value, 
-            std::is_null_pointer<ui64>::value 
-        ); 
-        UNIT_ASSERT_EQUAL( 
-            std::is_integral<ui128>::value, 
-            std::is_integral<ui64>::value 
-        ); 
-        UNIT_ASSERT_EQUAL( 
-            std::is_floating_point<ui128>::value, 
-            std::is_floating_point<ui64>::value 
-        ); 
-        UNIT_ASSERT_EQUAL( 
-            std::is_array<ui128>::value, 
-            std::is_array<ui64>::value 
-        ); 
-        UNIT_ASSERT_EQUAL( 
-            std::is_enum<ui128>::value, 
-            std::is_enum<ui64>::value 
-        ); 
-        UNIT_ASSERT_EQUAL( 
-            std::is_union<ui128>::value, 
-            std::is_union<ui64>::value 
-        ); 
-        UNIT_ASSERT_EQUAL( 
-            std::is_class<ui128>::value, 
-            std::is_class<ui64>::value 
-        ); 
-        UNIT_ASSERT_EQUAL( 
-            std::is_function<ui128>::value, 
-            std::is_function<ui64>::value 
-        ); 
-        UNIT_ASSERT_EQUAL( 
-            std::is_pointer<ui128>::value, 
-            std::is_pointer<ui64>::value 
-        ); 
-        UNIT_ASSERT_EQUAL( 
-            std::is_lvalue_reference<ui128>::value, 
-            std::is_lvalue_reference<ui64>::value 
-        ); 
-        UNIT_ASSERT_EQUAL( 
-            std::is_rvalue_reference<ui128>::value, 
-            std::is_rvalue_reference<ui64>::value 
-        ); 
-        UNIT_ASSERT_EQUAL( 
-            std::is_member_object_pointer<ui128>::value, 
-            std::is_member_object_pointer<ui64>::value 
-        ); 
-        UNIT_ASSERT_EQUAL( 
-            std::is_member_function_pointer<ui128>::value, 
-            std::is_member_function_pointer<ui64>::value 
-        ); 
-        UNIT_ASSERT_EQUAL( 
-            std::is_fundamental<ui128>::value, 
-            std::is_fundamental<ui64>::value 
-        ); 
-        UNIT_ASSERT_EQUAL( 
-            std::is_arithmetic<ui128>::value, 
-            std::is_arithmetic<ui64>::value 
-        ); 
-        UNIT_ASSERT_EQUAL( 
-            std::is_scalar<ui128>::value, 
-            std::is_scalar<ui64>::value 
-        ); 
-        UNIT_ASSERT_EQUAL( 
-            std::is_object<ui128>::value, 
-            std::is_object<ui64>::value 
-        ); 
-        UNIT_ASSERT_EQUAL( 
-            std::is_compound<ui128>::value, 
-            std::is_compound<ui64>::value 
-        ); 
-        UNIT_ASSERT_EQUAL( 
-            std::is_reference<ui128>::value, 
-            std::is_reference<ui64>::value 
-        ); 
-        UNIT_ASSERT_EQUAL( 
-            std::is_member_pointer<ui128>::value, 
-            std::is_member_pointer<ui64>::value 
-        ); 
-        UNIT_ASSERT_EQUAL( 
-            std::is_const<ui128>::value, 
-            std::is_const<ui64>::value 
-        ); 
-        UNIT_ASSERT_EQUAL( 
-            std::is_volatile<ui128>::value, 
-            std::is_volatile<ui64>::value 
-        ); 
-        UNIT_ASSERT_EQUAL( 
-            std::is_trivial<ui128>::value, 
-            std::is_trivial<ui64>::value 
-        ); 
-        UNIT_ASSERT_EQUAL( 
-            std::is_standard_layout<ui128>::value, 
-            std::is_standard_layout<ui64>::value 
-        ); 
-        UNIT_ASSERT_EQUAL( 
-            std::is_pod<ui128>::value, 
-            std::is_pod<ui64>::value 
-        ); 
-        UNIT_ASSERT_EQUAL( 
-            std::is_literal_type<ui128>::value, 
-            std::is_literal_type<ui64>::value 
-        ); 
-#ifndef _MSC_VER 
-        UNIT_ASSERT_EQUAL( 
-            std::has_unique_object_representations<ui128>::value, 
-            std::has_unique_object_representations<ui64>::value 
-        ); 
-#endif 
-        UNIT_ASSERT_EQUAL( 
-            std::is_empty<ui128>::value, 
-            std::is_empty<ui64>::value 
-        ); 
-        UNIT_ASSERT_EQUAL( 
-            std::is_polymorphic<ui128>::value, 
-            std::is_polymorphic<ui64>::value 
-        ); 
-        UNIT_ASSERT_EQUAL( 
-            std::is_abstract<ui128>::value, 
-            std::is_abstract<ui64>::value 
-        ); 
-        UNIT_ASSERT_EQUAL( 
-            std::is_final<ui128>::value, 
-            std::is_final<ui64>::value 
-        ); 
-#ifndef _MSC_VER 
-        UNIT_ASSERT_EQUAL( 
-            std::is_aggregate<ui128>::value, 
-            std::is_aggregate<ui64>::value 
-        ); 
-#endif 
-        UNIT_ASSERT_EQUAL( 
-            std::is_signed<ui128>::value, 
-            std::is_signed<ui64>::value 
-        ); 
-        UNIT_ASSERT_EQUAL( 
-            std::is_unsigned<ui128>::value, 
-            std::is_unsigned<ui64>::value 
-        ); 
-    } 
- 
-    Y_UNIT_TEST(Int128TypeTraits) { 
-        // checks that all type traits of i128 are the same as of i64 
-        // https://en.cppreference.com/w/cpp/header/type_traits 
-        UNIT_ASSERT_EQUAL( 
-            std::is_void<i128>::value, 
-            std::is_void<i64>::value 
-        ); 
-        UNIT_ASSERT_EQUAL( 
-            std::is_null_pointer<i128>::value, 
-            std::is_null_pointer<i64>::value 
-        ); 
-        UNIT_ASSERT_EQUAL( 
-            std::is_integral<i128>::value, 
-            std::is_integral<i64>::value 
-        ); 
-        UNIT_ASSERT_EQUAL( 
-            std::is_floating_point<i128>::value, 
-            std::is_floating_point<i64>::value 
-        ); 
-        UNIT_ASSERT_EQUAL( 
-            std::is_array<i128>::value, 
-            std::is_array<i64>::value 
-        ); 
-        UNIT_ASSERT_EQUAL( 
-            std::is_enum<i128>::value, 
-            std::is_enum<i64>::value 
-        ); 
-        UNIT_ASSERT_EQUAL( 
-            std::is_union<i128>::value, 
-            std::is_union<i64>::value 
-        ); 
-        UNIT_ASSERT_EQUAL( 
-            std::is_class<i128>::value, 
-            std::is_class<i64>::value 
-        ); 
-        UNIT_ASSERT_EQUAL( 
-            std::is_function<i128>::value, 
-            std::is_function<i64>::value 
-        ); 
-        UNIT_ASSERT_EQUAL( 
-            std::is_pointer<i128>::value, 
-            std::is_pointer<i64>::value 
-        ); 
-        UNIT_ASSERT_EQUAL( 
-            std::is_lvalue_reference<i128>::value, 
-            std::is_lvalue_reference<i64>::value 
-        ); 
-        UNIT_ASSERT_EQUAL( 
-            std::is_rvalue_reference<i128>::value, 
-            std::is_rvalue_reference<i64>::value 
-        ); 
-        UNIT_ASSERT_EQUAL( 
-            std::is_member_object_pointer<i128>::value, 
-            std::is_member_object_pointer<i64>::value 
-        ); 
-        UNIT_ASSERT_EQUAL( 
-            std::is_member_function_pointer<i128>::value, 
-            std::is_member_function_pointer<i64>::value 
-        ); 
-        UNIT_ASSERT_EQUAL( 
-            std::is_fundamental<i128>::value, 
-            std::is_fundamental<i64>::value 
-        ); 
-        UNIT_ASSERT_EQUAL( 
-            std::is_arithmetic<i128>::value, 
-            std::is_arithmetic<i64>::value 
-        ); 
-        UNIT_ASSERT_EQUAL( 
-            std::is_scalar<i128>::value, 
-            std::is_scalar<i64>::value 
-        ); 
-        UNIT_ASSERT_EQUAL( 
-            std::is_object<i128>::value, 
-            std::is_object<i64>::value 
-        ); 
-        UNIT_ASSERT_EQUAL( 
-            std::is_compound<i128>::value, 
-            std::is_compound<i64>::value 
-        ); 
-        UNIT_ASSERT_EQUAL( 
-            std::is_reference<i128>::value, 
-            std::is_reference<i64>::value 
-        ); 
-        UNIT_ASSERT_EQUAL( 
-            std::is_member_pointer<i128>::value, 
-            std::is_member_pointer<i64>::value 
-        ); 
-        UNIT_ASSERT_EQUAL( 
-            std::is_const<i128>::value, 
-            std::is_const<i64>::value 
-        ); 
-        UNIT_ASSERT_EQUAL( 
-            std::is_volatile<i128>::value, 
-            std::is_volatile<i64>::value 
-        ); 
-        UNIT_ASSERT_EQUAL( 
-            std::is_trivial<i128>::value, 
-            std::is_trivial<i64>::value 
-        ); 
-        UNIT_ASSERT_EQUAL( 
-            std::is_standard_layout<i128>::value, 
-            std::is_standard_layout<i64>::value 
-        ); 
-        UNIT_ASSERT_EQUAL( 
-            std::is_pod<i128>::value, 
-            std::is_pod<i64>::value 
-        ); 
-        UNIT_ASSERT_EQUAL( 
-            std::is_literal_type<i128>::value, 
-            std::is_literal_type<i64>::value 
-        ); 
-#ifndef _MSC_VER 
-        UNIT_ASSERT_EQUAL( 
-            std::has_unique_object_representations<i128>::value, 
-            std::has_unique_object_representations<i64>::value 
-        ); 
-#endif 
-        UNIT_ASSERT_EQUAL( 
-            std::is_empty<i128>::value, 
-            std::is_empty<i64>::value 
-        ); 
-        UNIT_ASSERT_EQUAL( 
-            std::is_polymorphic<i128>::value, 
-            std::is_polymorphic<i64>::value 
-        ); 
-        UNIT_ASSERT_EQUAL( 
-            std::is_abstract<i128>::value, 
-            std::is_abstract<i64>::value 
-        ); 
-        UNIT_ASSERT_EQUAL( 
-            std::is_final<i128>::value, 
-            std::is_final<i64>::value 
-        ); 
-#ifndef _MSC_VER 
-        UNIT_ASSERT_EQUAL( 
-            std::is_aggregate<i128>::value, 
-            std::is_aggregate<i64>::value 
-        ); 
-#endif 
-        UNIT_ASSERT_EQUAL( 
-            std::is_signed<i128>::value, 
-            std::is_signed<i64>::value 
-        ); 
-        UNIT_ASSERT_EQUAL( 
-            std::is_unsigned<i128>::value, 
-            std::is_unsigned<i64>::value 
-        ); 
-    } 
-} 
- 
+
+#include <type_traits>
+
+Y_UNIT_TEST_SUITE(TypeTraitsSuite) {
+    Y_UNIT_TEST(Uint128TypeTraits) {
+        // checks that all type traits of ui128 are the same as of ui64
+        // https://en.cppreference.com/w/cpp/header/type_traits
+        UNIT_ASSERT_EQUAL(
+            std::is_void<ui128>::value,
+            std::is_void<ui64>::value
+        );
+        UNIT_ASSERT_EQUAL(
+            std::is_null_pointer<ui128>::value,
+            std::is_null_pointer<ui64>::value
+        );
+        UNIT_ASSERT_EQUAL(
+            std::is_integral<ui128>::value,
+            std::is_integral<ui64>::value
+        );
+        UNIT_ASSERT_EQUAL(
+            std::is_floating_point<ui128>::value,
+            std::is_floating_point<ui64>::value
+        );
+        UNIT_ASSERT_EQUAL(
+            std::is_array<ui128>::value,
+            std::is_array<ui64>::value
+        );
+        UNIT_ASSERT_EQUAL(
+            std::is_enum<ui128>::value,
+            std::is_enum<ui64>::value
+        );
+        UNIT_ASSERT_EQUAL(
+            std::is_union<ui128>::value,
+            std::is_union<ui64>::value
+        );
+        UNIT_ASSERT_EQUAL(
+            std::is_class<ui128>::value,
+            std::is_class<ui64>::value
+        );
+        UNIT_ASSERT_EQUAL(
+            std::is_function<ui128>::value,
+            std::is_function<ui64>::value
+        );
+        UNIT_ASSERT_EQUAL(
+            std::is_pointer<ui128>::value,
+            std::is_pointer<ui64>::value
+        );
+        UNIT_ASSERT_EQUAL(
+            std::is_lvalue_reference<ui128>::value,
+            std::is_lvalue_reference<ui64>::value
+        );
+        UNIT_ASSERT_EQUAL(
+            std::is_rvalue_reference<ui128>::value,
+            std::is_rvalue_reference<ui64>::value
+        );
+        UNIT_ASSERT_EQUAL(
+            std::is_member_object_pointer<ui128>::value,
+            std::is_member_object_pointer<ui64>::value
+        );
+        UNIT_ASSERT_EQUAL(
+            std::is_member_function_pointer<ui128>::value,
+            std::is_member_function_pointer<ui64>::value
+        );
+        UNIT_ASSERT_EQUAL(
+            std::is_fundamental<ui128>::value,
+            std::is_fundamental<ui64>::value
+        );
+        UNIT_ASSERT_EQUAL(
+            std::is_arithmetic<ui128>::value,
+            std::is_arithmetic<ui64>::value
+        );
+        UNIT_ASSERT_EQUAL(
+            std::is_scalar<ui128>::value,
+            std::is_scalar<ui64>::value
+        );
+        UNIT_ASSERT_EQUAL(
+            std::is_object<ui128>::value,
+            std::is_object<ui64>::value
+        );
+        UNIT_ASSERT_EQUAL(
+            std::is_compound<ui128>::value,
+            std::is_compound<ui64>::value
+        );
+        UNIT_ASSERT_EQUAL(
+            std::is_reference<ui128>::value,
+            std::is_reference<ui64>::value
+        );
+        UNIT_ASSERT_EQUAL(
+            std::is_member_pointer<ui128>::value,
+            std::is_member_pointer<ui64>::value
+        );
+        UNIT_ASSERT_EQUAL(
+            std::is_const<ui128>::value,
+            std::is_const<ui64>::value
+        );
+        UNIT_ASSERT_EQUAL(
+            std::is_volatile<ui128>::value,
+            std::is_volatile<ui64>::value
+        );
+        UNIT_ASSERT_EQUAL(
+            std::is_trivial<ui128>::value,
+            std::is_trivial<ui64>::value
+        );
+        UNIT_ASSERT_EQUAL(
+            std::is_standard_layout<ui128>::value,
+            std::is_standard_layout<ui64>::value
+        );
+        UNIT_ASSERT_EQUAL(
+            std::is_pod<ui128>::value,
+            std::is_pod<ui64>::value
+        );
+        UNIT_ASSERT_EQUAL(
+            std::is_literal_type<ui128>::value,
+            std::is_literal_type<ui64>::value
+        );
+#ifndef _MSC_VER
+        UNIT_ASSERT_EQUAL(
+            std::has_unique_object_representations<ui128>::value,
+            std::has_unique_object_representations<ui64>::value
+        );
+#endif
+        UNIT_ASSERT_EQUAL(
+            std::is_empty<ui128>::value,
+            std::is_empty<ui64>::value
+        );
+        UNIT_ASSERT_EQUAL(
+            std::is_polymorphic<ui128>::value,
+            std::is_polymorphic<ui64>::value
+        );
+        UNIT_ASSERT_EQUAL(
+            std::is_abstract<ui128>::value,
+            std::is_abstract<ui64>::value
+        );
+        UNIT_ASSERT_EQUAL(
+            std::is_final<ui128>::value,
+            std::is_final<ui64>::value
+        );
+#ifndef _MSC_VER
+        UNIT_ASSERT_EQUAL(
+            std::is_aggregate<ui128>::value,
+            std::is_aggregate<ui64>::value
+        );
+#endif
+        UNIT_ASSERT_EQUAL(
+            std::is_signed<ui128>::value,
+            std::is_signed<ui64>::value
+        );
+        UNIT_ASSERT_EQUAL(
+            std::is_unsigned<ui128>::value,
+            std::is_unsigned<ui64>::value
+        );
+    }
+
+    Y_UNIT_TEST(Int128TypeTraits) {
+        // checks that all type traits of i128 are the same as of i64
+        // https://en.cppreference.com/w/cpp/header/type_traits
+        UNIT_ASSERT_EQUAL(
+            std::is_void<i128>::value,
+            std::is_void<i64>::value
+        );
+        UNIT_ASSERT_EQUAL(
+            std::is_null_pointer<i128>::value,
+            std::is_null_pointer<i64>::value
+        );
+        UNIT_ASSERT_EQUAL(
+            std::is_integral<i128>::value,
+            std::is_integral<i64>::value
+        );
+        UNIT_ASSERT_EQUAL(
+            std::is_floating_point<i128>::value,
+            std::is_floating_point<i64>::value
+        );
+        UNIT_ASSERT_EQUAL(
+            std::is_array<i128>::value,
+            std::is_array<i64>::value
+        );
+        UNIT_ASSERT_EQUAL(
+            std::is_enum<i128>::value,
+            std::is_enum<i64>::value
+        );
+        UNIT_ASSERT_EQUAL(
+            std::is_union<i128>::value,
+            std::is_union<i64>::value
+        );
+        UNIT_ASSERT_EQUAL(
+            std::is_class<i128>::value,
+            std::is_class<i64>::value
+        );
+        UNIT_ASSERT_EQUAL(
+            std::is_function<i128>::value,
+            std::is_function<i64>::value
+        );
+        UNIT_ASSERT_EQUAL(
+            std::is_pointer<i128>::value,
+            std::is_pointer<i64>::value
+        );
+        UNIT_ASSERT_EQUAL(
+            std::is_lvalue_reference<i128>::value,
+            std::is_lvalue_reference<i64>::value
+        );
+        UNIT_ASSERT_EQUAL(
+            std::is_rvalue_reference<i128>::value,
+            std::is_rvalue_reference<i64>::value
+        );
+        UNIT_ASSERT_EQUAL(
+            std::is_member_object_pointer<i128>::value,
+            std::is_member_object_pointer<i64>::value
+        );
+        UNIT_ASSERT_EQUAL(
+            std::is_member_function_pointer<i128>::value,
+            std::is_member_function_pointer<i64>::value
+        );
+        UNIT_ASSERT_EQUAL(
+            std::is_fundamental<i128>::value,
+            std::is_fundamental<i64>::value
+        );
+        UNIT_ASSERT_EQUAL(
+            std::is_arithmetic<i128>::value,
+            std::is_arithmetic<i64>::value
+        );
+        UNIT_ASSERT_EQUAL(
+            std::is_scalar<i128>::value,
+            std::is_scalar<i64>::value
+        );
+        UNIT_ASSERT_EQUAL(
+            std::is_object<i128>::value,
+            std::is_object<i64>::value
+        );
+        UNIT_ASSERT_EQUAL(
+            std::is_compound<i128>::value,
+            std::is_compound<i64>::value
+        );
+        UNIT_ASSERT_EQUAL(
+            std::is_reference<i128>::value,
+            std::is_reference<i64>::value
+        );
+        UNIT_ASSERT_EQUAL(
+            std::is_member_pointer<i128>::value,
+            std::is_member_pointer<i64>::value
+        );
+        UNIT_ASSERT_EQUAL(
+            std::is_const<i128>::value,
+            std::is_const<i64>::value
+        );
+        UNIT_ASSERT_EQUAL(
+            std::is_volatile<i128>::value,
+            std::is_volatile<i64>::value
+        );
+        UNIT_ASSERT_EQUAL(
+            std::is_trivial<i128>::value,
+            std::is_trivial<i64>::value
+        );
+        UNIT_ASSERT_EQUAL(
+            std::is_standard_layout<i128>::value,
+            std::is_standard_layout<i64>::value
+        );
+        UNIT_ASSERT_EQUAL(
+            std::is_pod<i128>::value,
+            std::is_pod<i64>::value
+        );
+        UNIT_ASSERT_EQUAL(
+            std::is_literal_type<i128>::value,
+            std::is_literal_type<i64>::value
+        );
+#ifndef _MSC_VER
+        UNIT_ASSERT_EQUAL(
+            std::has_unique_object_representations<i128>::value,
+            std::has_unique_object_representations<i64>::value
+        );
+#endif
+        UNIT_ASSERT_EQUAL(
+            std::is_empty<i128>::value,
+            std::is_empty<i64>::value
+        );
+        UNIT_ASSERT_EQUAL(
+            std::is_polymorphic<i128>::value,
+            std::is_polymorphic<i64>::value
+        );
+        UNIT_ASSERT_EQUAL(
+            std::is_abstract<i128>::value,
+            std::is_abstract<i64>::value
+        );
+        UNIT_ASSERT_EQUAL(
+            std::is_final<i128>::value,
+            std::is_final<i64>::value
+        );
+#ifndef _MSC_VER
+        UNIT_ASSERT_EQUAL(
+            std::is_aggregate<i128>::value,
+            std::is_aggregate<i64>::value
+        );
+#endif
+        UNIT_ASSERT_EQUAL(
+            std::is_signed<i128>::value,
+            std::is_signed<i64>::value
+        );
+        UNIT_ASSERT_EQUAL(
+            std::is_unsigned<i128>::value,
+            std::is_unsigned<i64>::value
+        );
+    }
+}
+
diff --git a/library/cpp/int128/ut/int128_ut.cpp b/library/cpp/int128/ut/int128_ut.cpp
index 0d68e42100..7339264017 100644
--- a/library/cpp/int128/ut/int128_ut.cpp
+++ b/library/cpp/int128/ut/int128_ut.cpp
@@ -1,56 +1,56 @@
 #include <library/cpp/testing/unittest/registar.h>
- 
+
 #include <library/cpp/int128/int128.h>
- 
-#include <util/generic/cast.h> 
- 
-#include <type_traits> 
- 
-Y_UNIT_TEST_SUITE(Uint128Suite) { 
-    Y_UNIT_TEST(Uint128DefaultCtor) { 
-        const ui128 value{}; 
-        UNIT_ASSERT_EQUAL(GetLow(value), 0); 
-        UNIT_ASSERT_EQUAL(GetHigh(value), 0); 
-    } 
- 
-    Y_UNIT_TEST(Uint128NumericLimits) { 
-        UNIT_ASSERT_EQUAL(std::numeric_limits<ui128>::digits, 128); 
-        UNIT_ASSERT_EQUAL(std::numeric_limits<ui128>::max() + 1, ui128{0}); 
-    } 
- 
-    Y_UNIT_TEST(Uint128Sizeof) { 
-        UNIT_ASSERT_EQUAL(sizeof(ui128), sizeof(ui64) * 2); 
-    } 
- 
-    Y_UNIT_TEST(Uint128Cast) { 
-        // see util/generic/cast.h 
-        const auto underlyingTypeIsSelf = std::is_same<::NPrivate::TUnderlyingTypeOrSelf<ui128>, ui128>::value; 
-        UNIT_ASSERT_EQUAL(underlyingTypeIsSelf, true); 
- 
-        const auto convertibleUi128Ui128 = ::NPrivate::TSafelyConvertible<ui128, ui128>::Result; 
-        const auto convertibleUi64Ui128 = ::NPrivate::TSafelyConvertible<ui64, ui128>::Result; 
-        const auto convertibleUi128Ui64 = ::NPrivate::TSafelyConvertible<ui128, ui64>::Result; 
-        UNIT_ASSERT_EQUAL(convertibleUi128Ui128, true); // from ui128 to ui128 => safe 
-        UNIT_ASSERT_EQUAL(convertibleUi64Ui128, false); // from ui128 to ui64 => not safe 
-        UNIT_ASSERT_EQUAL(convertibleUi128Ui64, true); // from ui64 to ui128 => safe 
-    } 
- 
-    Y_UNIT_TEST(SafeIntegerCastTest) { 
-        ui128 narrowNumber = 1; 
- 
-        UNIT_ASSERT_NO_EXCEPTION(SafeIntegerCast<ui64>(narrowNumber)); 
- 
-        ui128 wideNumber{0}; 
-        wideNumber -= 1; 
-        UNIT_ASSERT_EXCEPTION(SafeIntegerCast<ui64>(wideNumber), yexception); 
-    } 
- 
-    Y_UNIT_TEST(SignbitTest) { 
-        UNIT_ASSERT(!std::signbit(ui128{0})); 
-        UNIT_ASSERT(!std::signbit(ui128{-1})); 
-        UNIT_ASSERT(!std::signbit(i128{0})); 
-        UNIT_ASSERT(std::signbit(i128{-1})); 
-    } 
+
+#include <util/generic/cast.h>
+
+#include <type_traits>
+
+Y_UNIT_TEST_SUITE(Uint128Suite) {
+    Y_UNIT_TEST(Uint128DefaultCtor) {
+        const ui128 value{};
+        UNIT_ASSERT_EQUAL(GetLow(value), 0);
+        UNIT_ASSERT_EQUAL(GetHigh(value), 0);
+    }
+
+    Y_UNIT_TEST(Uint128NumericLimits) {
+        UNIT_ASSERT_EQUAL(std::numeric_limits<ui128>::digits, 128);
+        UNIT_ASSERT_EQUAL(std::numeric_limits<ui128>::max() + 1, ui128{0});
+    }
+
+    Y_UNIT_TEST(Uint128Sizeof) {
+        UNIT_ASSERT_EQUAL(sizeof(ui128), sizeof(ui64) * 2);
+    }
+
+    Y_UNIT_TEST(Uint128Cast) {
+        // see util/generic/cast.h
+        const auto underlyingTypeIsSelf = std::is_same<::NPrivate::TUnderlyingTypeOrSelf<ui128>, ui128>::value;
+        UNIT_ASSERT_EQUAL(underlyingTypeIsSelf, true);
+
+        const auto convertibleUi128Ui128 = ::NPrivate::TSafelyConvertible<ui128, ui128>::Result;
+        const auto convertibleUi64Ui128 = ::NPrivate::TSafelyConvertible<ui64, ui128>::Result;
+        const auto convertibleUi128Ui64 = ::NPrivate::TSafelyConvertible<ui128, ui64>::Result;
+        UNIT_ASSERT_EQUAL(convertibleUi128Ui128, true); // from ui128 to ui128 => safe
+        UNIT_ASSERT_EQUAL(convertibleUi64Ui128, false); // from ui128 to ui64 => not safe
+        UNIT_ASSERT_EQUAL(convertibleUi128Ui64, true); // from ui64 to ui128 => safe
+    }
+
+    Y_UNIT_TEST(SafeIntegerCastTest) {
+        ui128 narrowNumber = 1;
+
+        UNIT_ASSERT_NO_EXCEPTION(SafeIntegerCast<ui64>(narrowNumber));
+
+        ui128 wideNumber{0};
+        wideNumber -= 1;
+        UNIT_ASSERT_EXCEPTION(SafeIntegerCast<ui64>(wideNumber), yexception);
+    }
+
+    Y_UNIT_TEST(SignbitTest) {
+        UNIT_ASSERT(!std::signbit(ui128{0}));
+        UNIT_ASSERT(!std::signbit(ui128{-1}));
+        UNIT_ASSERT(!std::signbit(i128{0}));
+        UNIT_ASSERT(std::signbit(i128{-1}));
+    }
 
     Y_UNIT_TEST(ToStringTest) {
         // int128
@@ -80,4 +80,4 @@ Y_UNIT_TEST_SUITE(Uint128Suite) {
             ),
             "235108557486403940296800289353599800327");
     }
-} 
+}
diff --git a/library/cpp/int128/ut/int128_ut_helpers.cpp b/library/cpp/int128/ut/int128_ut_helpers.cpp
index cb712f869a..e6c3e24d10 100644
--- a/library/cpp/int128/ut/int128_ut_helpers.cpp
+++ b/library/cpp/int128/ut/int128_ut_helpers.cpp
@@ -1,56 +1,56 @@
-#include "int128_ut_helpers.h" 
- 
-namespace NInt128Private { 
-#if defined(_little_endian_) 
-    std::array<ui8, 16> GetAsArray(const ui128 value) { 
-        std::array<ui8, 16> result; 
-        const ui64 low = GetLow(value); 
-        const ui64 high = GetHigh(value); 
-        MemCopy(result.data(), reinterpret_cast<const ui8*>(&low), sizeof(low)); 
-        MemCopy(result.data() + sizeof(low), reinterpret_cast<const ui8*>(&high), sizeof(high)); 
-        return result; 
-    } 
- 
-    std::array<ui8, 16> GetAsArray(const i128 value) { 
-        std::array<ui8, 16> result; 
-        const ui64 low = GetLow(value); 
-        const ui64 high = GetHigh(value); 
-        MemCopy(result.data(), reinterpret_cast<const ui8*>(&low), sizeof(low)); 
-        MemCopy(result.data() + sizeof(low), reinterpret_cast<const ui8*>(&high), sizeof(high)); 
-        return result; 
-    } 
-#elif defined(_big_endian_) 
-    std::array<ui8, 16> GetAsArray(const i128 value) { 
-        std::array<ui8, 16> result; 
-        const ui64 low = GetLow(value); 
-        const ui64 high = GetHigh(value); 
-        MemCopy(result.data(), reinterpret_cast<const ui8*>(&high), sizeof(high)); 
-        MemCopy(result.data() + sizeof(high), reinterpret_cast<const ui8*>(&low), sizeof(low)); 
-        return result; 
-    } 
- 
-    std::array<ui8, 16> GetAsArray(const ui128 value) { 
-        std::array<ui8, 16> result; 
-        const ui64 low = GetLow(value); 
-        const ui64 high = GetHigh(value); 
-        MemCopy(result.data(), reinterpret_cast<const ui8*>(&high), sizeof(high)); 
-        MemCopy(result.data() + sizeof(high), reinterpret_cast<const ui8*>(&low), sizeof(low)); 
-        return result; 
-    } 
-#endif 
- 
-#if defined(Y_HAVE_INT128) 
-    std::array<ui8, 16> GetAsArray(const unsigned __int128 value) { 
-        std::array<ui8, 16> result; 
-        MemCopy(result.data(), reinterpret_cast<const ui8*>(&value), sizeof(value)); 
-        return result; 
-    } 
- 
-    std::array<ui8, 16> GetAsArray(const signed __int128 value) { 
-        std::array<ui8, 16> result; 
-        MemCopy(result.data(), reinterpret_cast<const ui8*>(&value), sizeof(value)); 
-        return result; 
-    } 
-#endif 
- 
-} 
+#include "int128_ut_helpers.h"
+
+namespace NInt128Private {
+#if defined(_little_endian_)
+    std::array<ui8, 16> GetAsArray(const ui128 value) {
+        std::array<ui8, 16> result;
+        const ui64 low = GetLow(value);
+        const ui64 high = GetHigh(value);
+        MemCopy(result.data(), reinterpret_cast<const ui8*>(&low), sizeof(low));
+        MemCopy(result.data() + sizeof(low), reinterpret_cast<const ui8*>(&high), sizeof(high));
+        return result;
+    }
+
+    std::array<ui8, 16> GetAsArray(const i128 value) {
+        std::array<ui8, 16> result;
+        const ui64 low = GetLow(value);
+        const ui64 high = GetHigh(value);
+        MemCopy(result.data(), reinterpret_cast<const ui8*>(&low), sizeof(low));
+        MemCopy(result.data() + sizeof(low), reinterpret_cast<const ui8*>(&high), sizeof(high));
+        return result;
+    }
+#elif defined(_big_endian_)
+    std::array<ui8, 16> GetAsArray(const i128 value) {
+        std::array<ui8, 16> result;
+        const ui64 low = GetLow(value);
+        const ui64 high = GetHigh(value);
+        MemCopy(result.data(), reinterpret_cast<const ui8*>(&high), sizeof(high));
+        MemCopy(result.data() + sizeof(high), reinterpret_cast<const ui8*>(&low), sizeof(low));
+        return result;
+    }
+
+    std::array<ui8, 16> GetAsArray(const ui128 value) {
+        std::array<ui8, 16> result;
+        const ui64 low = GetLow(value);
+        const ui64 high = GetHigh(value);
+        MemCopy(result.data(), reinterpret_cast<const ui8*>(&high), sizeof(high));
+        MemCopy(result.data() + sizeof(high), reinterpret_cast<const ui8*>(&low), sizeof(low));
+        return result;
+    }
+#endif
+
+#if defined(Y_HAVE_INT128)
+    std::array<ui8, 16> GetAsArray(const unsigned __int128 value) {
+        std::array<ui8, 16> result;
+        MemCopy(result.data(), reinterpret_cast<const ui8*>(&value), sizeof(value));
+        return result;
+    }
+
+    std::array<ui8, 16> GetAsArray(const signed __int128 value) {
+        std::array<ui8, 16> result;
+        MemCopy(result.data(), reinterpret_cast<const ui8*>(&value), sizeof(value));
+        return result;
+    }
+#endif
+
+}
diff --git a/library/cpp/int128/ut/int128_ut_helpers.h b/library/cpp/int128/ut/int128_ut_helpers.h
index 99a8fa7436..b7778c3f32 100644
--- a/library/cpp/int128/ut/int128_ut_helpers.h
+++ b/library/cpp/int128/ut/int128_ut_helpers.h
@@ -1,15 +1,15 @@
-#pragma once 
- 
+#pragma once
+
 #include <library/cpp/int128/int128.h>
- 
-#include <array> 
- 
-namespace NInt128Private { 
-    std::array<ui8, 16> GetAsArray(const ui128 value); 
-    std::array<ui8, 16> GetAsArray(const i128 value); 
- 
-#if defined(Y_HAVE_INT128) 
-    std::array<ui8, 16> GetAsArray(const unsigned __int128 value); 
-    std::array<ui8, 16> GetAsArray(const signed __int128 value); 
-#endif 
-} 
+
+#include <array>
+
+namespace NInt128Private {
+    std::array<ui8, 16> GetAsArray(const ui128 value);
+    std::array<ui8, 16> GetAsArray(const i128 value);
+
+#if defined(Y_HAVE_INT128)
+    std::array<ui8, 16> GetAsArray(const unsigned __int128 value);
+    std::array<ui8, 16> GetAsArray(const signed __int128 value);
+#endif
+}
diff --git a/library/cpp/int128/ut/int128_via_intrinsic_ut.cpp b/library/cpp/int128/ut/int128_via_intrinsic_ut.cpp
index e1eff5fcb3..9decc2fd48 100644
--- a/library/cpp/int128/ut/int128_via_intrinsic_ut.cpp
+++ b/library/cpp/int128/ut/int128_via_intrinsic_ut.cpp
@@ -2,33 +2,33 @@
 
 #include <library/cpp/testing/unittest/registar.h>
 
-// from https://a.yandex-team.ru/arc/trunk/arcadia/library/ticket_parser/c/src/ut/utils_ut.cpp?rev=4221861 
+// from https://a.yandex-team.ru/arc/trunk/arcadia/library/ticket_parser/c/src/ut/utils_ut.cpp?rev=4221861
 
-#if defined(Y_HAVE_INT128) 
-Y_UNIT_TEST_SUITE(Int128ViaIntrinsicSuite) { 
+#if defined(Y_HAVE_INT128)
+Y_UNIT_TEST_SUITE(Int128ViaIntrinsicSuite) {
     using guint128_t = unsigned __int128;
-    guint128_t toGcc(ui128 num) { 
+    guint128_t toGcc(ui128 num) {
         guint128_t res = 0;
-        res |= GetLow(num); 
-        res |= guint128_t(GetHigh(num)) << 64; 
+        res |= GetLow(num);
+        res |= guint128_t(GetHigh(num)) << 64;
         return res;
     }
 
     Y_UNIT_TEST(bigintTest) {
-        UNIT_ASSERT(guint128_t(127) == toGcc(ui128(127))); 
-        UNIT_ASSERT(guint128_t(127) * guint128_t(127) == toGcc(ui128(127) * ui128(127))); 
-        UNIT_ASSERT(guint128_t(127) + guint128_t(127) == toGcc(ui128(127) + ui128(127))); 
-        UNIT_ASSERT(guint128_t(127) << 3 == toGcc(ui128(127) << 3)); 
-        UNIT_ASSERT(guint128_t(127) >> 1 == toGcc(ui128(127) >> 1)); 
+        UNIT_ASSERT(guint128_t(127) == toGcc(ui128(127)));
+        UNIT_ASSERT(guint128_t(127) * guint128_t(127) == toGcc(ui128(127) * ui128(127)));
+        UNIT_ASSERT(guint128_t(127) + guint128_t(127) == toGcc(ui128(127) + ui128(127)));
+        UNIT_ASSERT(guint128_t(127) << 3 == toGcc(ui128(127) << 3));
+        UNIT_ASSERT(guint128_t(127) >> 1 == toGcc(ui128(127) >> 1));
 
-        UNIT_ASSERT(guint128_t(1000000000027UL) * guint128_t(1000000000027UL) == toGcc(ui128(1000000000027UL) * ui128(1000000000027UL))); 
-        UNIT_ASSERT(guint128_t(1000000000027UL) + guint128_t(1000000000027UL) == toGcc(ui128(1000000000027UL) + ui128(1000000000027UL))); 
-        UNIT_ASSERT(guint128_t(1000000000027UL) << 3 == toGcc(ui128(1000000000027UL) << 3)); 
-        UNIT_ASSERT(guint128_t(1000000000027UL) >> 1 == toGcc(ui128(1000000000027UL) >> 1)); 
-        UNIT_ASSERT((guint128_t(1000000000027UL) * guint128_t(1000000000027UL)) << 3 == toGcc((ui128(1000000000027UL) * ui128(1000000000027UL)) << 3)); 
-        UNIT_ASSERT((guint128_t(1000000000027UL) + guint128_t(1000000000027UL)) >> 1 == toGcc((ui128(1000000000027UL) + ui128(1000000000027UL)) >> 1)); 
+        UNIT_ASSERT(guint128_t(1000000000027UL) * guint128_t(1000000000027UL) == toGcc(ui128(1000000000027UL) * ui128(1000000000027UL)));
+        UNIT_ASSERT(guint128_t(1000000000027UL) + guint128_t(1000000000027UL) == toGcc(ui128(1000000000027UL) + ui128(1000000000027UL)));
+        UNIT_ASSERT(guint128_t(1000000000027UL) << 3 == toGcc(ui128(1000000000027UL) << 3));
+        UNIT_ASSERT(guint128_t(1000000000027UL) >> 1 == toGcc(ui128(1000000000027UL) >> 1));
+        UNIT_ASSERT((guint128_t(1000000000027UL) * guint128_t(1000000000027UL)) << 3 == toGcc((ui128(1000000000027UL) * ui128(1000000000027UL)) << 3));
+        UNIT_ASSERT((guint128_t(1000000000027UL) + guint128_t(1000000000027UL)) >> 1 == toGcc((ui128(1000000000027UL) + ui128(1000000000027UL)) >> 1));
 
-        UNIT_ASSERT((ui64)(guint128_t(1000000000027UL) * guint128_t(1000000000027UL)) == GetLow(ui128(1000000000027UL) * ui128(1000000000027UL))); 
+        UNIT_ASSERT((ui64)(guint128_t(1000000000027UL) * guint128_t(1000000000027UL)) == GetLow(ui128(1000000000027UL) * ui128(1000000000027UL)));
     }
 }
-#endif 
+#endif
diff --git a/library/cpp/int128/ut/ui128_division_ut.cpp b/library/cpp/int128/ut/ui128_division_ut.cpp
index 488738d429..4826a531e0 100644
--- a/library/cpp/int128/ut/ui128_division_ut.cpp
+++ b/library/cpp/int128/ut/ui128_division_ut.cpp
@@ -1,262 +1,262 @@
 #include <library/cpp/testing/unittest/registar.h>
- 
+
 #include <library/cpp/int128/int128.h>
- 
-#include <util/generic/cast.h> 
- 
-Y_UNIT_TEST_SUITE(Ui128DivisionBy1Suite) { 
-    Y_UNIT_TEST(Ui128Divide0By1) { 
-        ui128 dividend = 0; 
-        ui128 divider = 1; 
-        ui128 expectedQuotient = 0; 
-        ui128 expectedRemainder = 0; 
- 
-        UNIT_ASSERT_EQUAL(dividend / divider, expectedQuotient); 
-        UNIT_ASSERT_EQUAL(dividend % divider, expectedRemainder); 
-    } 
- 
-    Y_UNIT_TEST(Ui128Divide1By1) { 
-        ui128 dividend = 1; 
-        ui128 divider = 1; 
-        ui128 expectedQuotient = 1; 
-        ui128 expectedRemainder = 0; 
- 
-        UNIT_ASSERT_EQUAL(dividend / divider, expectedQuotient); 
-        UNIT_ASSERT_EQUAL(dividend % divider, expectedRemainder); 
-    } 
- 
-    Y_UNIT_TEST(Ui128Divide2By1) { 
-        ui128 dividend = 2; 
-        ui128 divider = 1; 
-        ui128 expectedQuotient = 2; 
-        ui128 expectedRemainder = 0; 
- 
-        UNIT_ASSERT_EQUAL(dividend / divider, expectedQuotient); 
-        UNIT_ASSERT_EQUAL(dividend % divider, expectedRemainder); 
-    } 
- 
-    Y_UNIT_TEST(Ui128Divide42By1) { 
-        ui128 dividend = 42; 
-        ui128 divider = 1; 
-        ui128 expectedQuotient = 42; 
-        ui128 expectedRemainder = 0; 
- 
-        UNIT_ASSERT_EQUAL(dividend / divider, expectedQuotient); 
-        UNIT_ASSERT_EQUAL(dividend % divider, expectedRemainder); 
-    } 
- 
-    Y_UNIT_TEST(Ui128DivideMaxUi64By1) { 
-        ui128 dividend = std::numeric_limits<ui64>::max(); 
-        ui128 divider = 1; 
-        ui128 expectedQuotient = std::numeric_limits<ui64>::max(); 
-        ui128 expectedRemainder = 0; 
- 
-        UNIT_ASSERT_EQUAL(dividend / divider, expectedQuotient); 
-        UNIT_ASSERT_EQUAL(dividend % divider, expectedRemainder); 
-    } 
- 
-    Y_UNIT_TEST(Ui128DivideMaxUi64Plus1By1) { 
-        ui128 dividend = ui128{std::numeric_limits<ui64>::max()} + ui128{1}; 
-        ui128 divider = 1; 
-        ui128 expectedQuotient = ui128{std::numeric_limits<ui64>::max()} + ui128{1}; 
-        ui128 expectedRemainder = 0; 
- 
-        UNIT_ASSERT_EQUAL(dividend / divider, expectedQuotient); 
-        UNIT_ASSERT_EQUAL(dividend % divider, expectedRemainder); 
-    } 
- 
-    Y_UNIT_TEST(Ui128DivideMaxUi64Plus42By1) { 
-        ui128 dividend = ui128{std::numeric_limits<ui64>::max()} + ui128{42}; 
-        ui128 divider = 1; 
-        ui128 expectedQuotient = ui128{std::numeric_limits<ui64>::max()} + ui128{42}; 
-        ui128 expectedRemainder = 0; 
- 
-        UNIT_ASSERT_EQUAL(dividend / divider, expectedQuotient); 
-        UNIT_ASSERT_EQUAL(dividend % divider, expectedRemainder); 
-    } 
- 
-    Y_UNIT_TEST(Ui128DivideMaxUi128By1) { 
-        ui128 dividend = std::numeric_limits<ui128>::max(); 
-        ui128 divider = 1; 
-        ui128 expectedQuotient = std::numeric_limits<ui128>::max(); 
-        ui128 expectedRemainder = 0; 
- 
-        UNIT_ASSERT_EQUAL(dividend / divider, expectedQuotient); 
-        UNIT_ASSERT_EQUAL(dividend % divider, expectedRemainder); 
-    } 
- 
-    Y_UNIT_TEST(Ui128DivideMaxUi128Minus1By1) { 
-        ui128 dividend = std::numeric_limits<ui128>::max() - 1; 
-        ui128 divider = 1; 
-        ui128 expectedQuotient = std::numeric_limits<ui128>::max() - 1; 
-        ui128 expectedRemainder = 0; 
- 
-        UNIT_ASSERT_EQUAL(dividend / divider, expectedQuotient); 
-        UNIT_ASSERT_EQUAL(dividend % divider, expectedRemainder); 
-    } 
-} 
- 
-Y_UNIT_TEST_SUITE(Ui128DivisionByEqualSuite) { 
-    Y_UNIT_TEST(Ui128Divide1ByEqual) { 
-        ui128 dividend = 1; 
-        ui128 divider = dividend; 
-        ui128 expectedQuotient = 1; 
-        ui128 expectedRemainder = 0; 
- 
-        UNIT_ASSERT_EQUAL(dividend / divider, expectedQuotient); 
-        UNIT_ASSERT_EQUAL(dividend % divider, expectedRemainder); 
-    } 
- 
-    Y_UNIT_TEST(Ui128Divide2ByEqual) { 
-        ui128 dividend = 2; 
-        ui128 divider = dividend; 
-        ui128 expectedQuotient = 1; 
-        ui128 expectedRemainder = 0; 
- 
-        UNIT_ASSERT_EQUAL(dividend / divider, expectedQuotient); 
-        UNIT_ASSERT_EQUAL(dividend % divider, expectedRemainder); 
-    } 
- 
-    Y_UNIT_TEST(Ui128Divide42ByEqual) { 
-        ui128 dividend = 42; 
-        ui128 divider = dividend; 
-        ui128 expectedQuotient = 1; 
-        ui128 expectedRemainder = 0; 
- 
-        UNIT_ASSERT_EQUAL(dividend / divider, expectedQuotient); 
-        UNIT_ASSERT_EQUAL(dividend % divider, expectedRemainder); 
-    } 
- 
-    Y_UNIT_TEST(Ui128DivideMaxUi64ByEqual) { 
-        ui128 dividend = std::numeric_limits<ui64>::max(); 
-        ui128 divider = dividend; 
-        ui128 expectedQuotient = 1; 
-        ui128 expectedRemainder = 0; 
- 
-        UNIT_ASSERT_EQUAL(dividend / divider, expectedQuotient); 
-        UNIT_ASSERT_EQUAL(dividend % divider, expectedRemainder); 
-    } 
- 
-    Y_UNIT_TEST(Ui128DivideMaxUi64Plus1ByEqual) { 
-        ui128 dividend = ui128{std::numeric_limits<ui64>::max()} + ui128{1}; 
-        ui128 divider = dividend; 
-        ui128 expectedQuotient = 1; 
-        ui128 expectedRemainder = 0; 
- 
-        UNIT_ASSERT_EQUAL(dividend / divider, expectedQuotient); 
-        UNIT_ASSERT_EQUAL(dividend % divider, expectedRemainder); 
-    } 
- 
-    Y_UNIT_TEST(Ui128DivideMaxUi64Plus42ByEqual) { 
-        ui128 dividend = ui128{std::numeric_limits<ui64>::max()} + ui128{42}; 
-        ui128 divider = dividend; 
-        ui128 expectedQuotient = 1; 
-        ui128 expectedRemainder = 0; 
- 
-        UNIT_ASSERT_EQUAL(dividend / divider, expectedQuotient); 
-        UNIT_ASSERT_EQUAL(dividend % divider, expectedRemainder); 
-    } 
- 
-    Y_UNIT_TEST(Ui128DivideMaxUi128ByEqual) { 
-        ui128 dividend = std::numeric_limits<ui128>::max(); 
-        ui128 divider = dividend; 
-        ui128 expectedQuotient = 1; 
-        ui128 expectedRemainder = 0; 
- 
-        UNIT_ASSERT_EQUAL(dividend / divider, expectedQuotient); 
-        UNIT_ASSERT_EQUAL(dividend % divider, expectedRemainder); 
-    } 
- 
-    Y_UNIT_TEST(Ui128DivideMaxUi128Minus1ByEqual) { 
-        ui128 dividend = std::numeric_limits<ui128>::max() - 1; 
-        ui128 divider = dividend; 
-        ui128 expectedQuotient = 1; 
-        ui128 expectedRemainder = 0; 
- 
-        UNIT_ASSERT_EQUAL(dividend / divider, expectedQuotient); 
-        UNIT_ASSERT_EQUAL(dividend % divider, expectedRemainder); 
-    } 
-} 
- 
-Y_UNIT_TEST_SUITE(Ui128DivisionLessByHigherSuite) { 
-    Y_UNIT_TEST(Ui128Divide42By84) { 
-        ui128 dividend = 42; 
-        ui128 divider = 84; 
-        ui128 expectedQuotient = 0; 
-        ui128 expectedRemainder = 42; 
- 
-        UNIT_ASSERT_EQUAL(dividend / divider, expectedQuotient); 
-        UNIT_ASSERT_EQUAL(dividend % divider, expectedRemainder); 
-    } 
- 
-    Y_UNIT_TEST(Ui128Divide42ByMaxUi64) { 
-        ui128 dividend = 42; 
-        ui128 divider = std::numeric_limits<ui64>::max(); 
-        ui128 expectedQuotient = 0; 
-        ui128 expectedRemainder = 42; 
- 
-        UNIT_ASSERT_EQUAL(dividend / divider, expectedQuotient); 
-        UNIT_ASSERT_EQUAL(dividend % divider, expectedRemainder); 
-    } 
- 
-    Y_UNIT_TEST(Ui128Divide42ByMaxUi64Plus1) { 
-        ui128 dividend = 42; 
-        ui128 divider = ui128{std::numeric_limits<ui64>::max()} + ui128{1}; 
-        ui128 expectedQuotient = 0; 
-        ui128 expectedRemainder = 42; 
- 
-        UNIT_ASSERT_EQUAL(dividend / divider, expectedQuotient); 
-        UNIT_ASSERT_EQUAL(dividend % divider, expectedRemainder); 
-    } 
- 
-    Y_UNIT_TEST(Ui128DivideMaxUi64ByMaxUi64Plus1) { 
-        ui128 dividend = ui128{std::numeric_limits<ui64>::max()}; 
-        ui128 divider = ui128{std::numeric_limits<ui64>::max()} + ui128{1}; 
-        ui128 expectedQuotient = 0; 
-        ui128 expectedRemainder = ui128{std::numeric_limits<ui64>::max()}; 
- 
-        UNIT_ASSERT_EQUAL(dividend / divider, expectedQuotient); 
-        UNIT_ASSERT_EQUAL(dividend % divider, expectedRemainder); 
-    } 
-} 
- 
-Y_UNIT_TEST_SUITE(Ui128DivisionBigByBigSuite) { 
-    Y_UNIT_TEST(Ui128DivideBigByBig1) { 
-        ui128 dividend = {64, 0}; 
-        ui128 divider = {1, 0}; 
-        ui128 expectedQuotient = 64; 
-        ui128 expectedRemainder = 0; 
- 
-        UNIT_ASSERT_EQUAL(dividend / divider, expectedQuotient); 
-        UNIT_ASSERT_EQUAL(dividend % divider, expectedRemainder); 
-    } 
- 
-    Y_UNIT_TEST(Ui128DivideBigByBig2) { 
-        ui128 dividend = {64, 0}; 
-        ui128 divider = {12, 5}; 
-        ui128 expectedQuotient = 5; 
-        ui128 expectedRemainder = ui128{3, 18446744073709551591ull}; // plz don't ask 
- 
-        UNIT_ASSERT_EQUAL(dividend / divider, expectedQuotient); 
-        UNIT_ASSERT_EQUAL(dividend % divider, expectedRemainder); 
-    } 
-} 
- 
-Y_UNIT_TEST_SUITE(Ui128DivisionAlgo) { 
-    Y_UNIT_TEST(Ui128DivideAlgoCheck) { 
-        /* 
-            49672666804009505000000 / 10000000 == 4967266680400950 
-            49672666804009505000000 % 10000000 == 5000000 
-        */ 
-        ui128 dividend = {2692ull, 14031757583392049728ull}; 
-        ui64 divider = 10000000; 
-        ui128 expectedQuotient = {0, 4967266680400950ull}; 
-        ui128 expectedRemainder = {0, 5000000ull}; 
- 
-        ui128 quotient = dividend / divider; 
-        ui128 reminder = dividend % divider; 
- 
-        UNIT_ASSERT_EQUAL(quotient, expectedQuotient); 
-        UNIT_ASSERT_EQUAL(reminder, expectedRemainder); 
-    } 
-} 
+
+#include <util/generic/cast.h>
+
+Y_UNIT_TEST_SUITE(Ui128DivisionBy1Suite) {
+    Y_UNIT_TEST(Ui128Divide0By1) {
+        ui128 dividend = 0;
+        ui128 divider = 1;
+        ui128 expectedQuotient = 0;
+        ui128 expectedRemainder = 0;
+
+        UNIT_ASSERT_EQUAL(dividend / divider, expectedQuotient);
+        UNIT_ASSERT_EQUAL(dividend % divider, expectedRemainder);
+    }
+
+    Y_UNIT_TEST(Ui128Divide1By1) {
+        ui128 dividend = 1;
+        ui128 divider = 1;
+        ui128 expectedQuotient = 1;
+        ui128 expectedRemainder = 0;
+
+        UNIT_ASSERT_EQUAL(dividend / divider, expectedQuotient);
+        UNIT_ASSERT_EQUAL(dividend % divider, expectedRemainder);
+    }
+
+    Y_UNIT_TEST(Ui128Divide2By1) {
+        ui128 dividend = 2;
+        ui128 divider = 1;
+        ui128 expectedQuotient = 2;
+        ui128 expectedRemainder = 0;
+
+        UNIT_ASSERT_EQUAL(dividend / divider, expectedQuotient);
+        UNIT_ASSERT_EQUAL(dividend % divider, expectedRemainder);
+    }
+
+    Y_UNIT_TEST(Ui128Divide42By1) {
+        ui128 dividend = 42;
+        ui128 divider = 1;
+        ui128 expectedQuotient = 42;
+        ui128 expectedRemainder = 0;
+
+        UNIT_ASSERT_EQUAL(dividend / divider, expectedQuotient);
+        UNIT_ASSERT_EQUAL(dividend % divider, expectedRemainder);
+    }
+
+    Y_UNIT_TEST(Ui128DivideMaxUi64By1) {
+        ui128 dividend = std::numeric_limits<ui64>::max();
+        ui128 divider = 1;
+        ui128 expectedQuotient = std::numeric_limits<ui64>::max();
+        ui128 expectedRemainder = 0;
+
+        UNIT_ASSERT_EQUAL(dividend / divider, expectedQuotient);
+        UNIT_ASSERT_EQUAL(dividend % divider, expectedRemainder);
+    }
+
+    Y_UNIT_TEST(Ui128DivideMaxUi64Plus1By1) {
+        ui128 dividend = ui128{std::numeric_limits<ui64>::max()} + ui128{1};
+        ui128 divider = 1;
+        ui128 expectedQuotient = ui128{std::numeric_limits<ui64>::max()} + ui128{1};
+        ui128 expectedRemainder = 0;
+
+        UNIT_ASSERT_EQUAL(dividend / divider, expectedQuotient);
+        UNIT_ASSERT_EQUAL(dividend % divider, expectedRemainder);
+    }
+
+    Y_UNIT_TEST(Ui128DivideMaxUi64Plus42By1) {
+        ui128 dividend = ui128{std::numeric_limits<ui64>::max()} + ui128{42};
+        ui128 divider = 1;
+        ui128 expectedQuotient = ui128{std::numeric_limits<ui64>::max()} + ui128{42};
+        ui128 expectedRemainder = 0;
+
+        UNIT_ASSERT_EQUAL(dividend / divider, expectedQuotient);
+        UNIT_ASSERT_EQUAL(dividend % divider, expectedRemainder);
+    }
+
+    Y_UNIT_TEST(Ui128DivideMaxUi128By1) {
+        ui128 dividend = std::numeric_limits<ui128>::max();
+        ui128 divider = 1;
+        ui128 expectedQuotient = std::numeric_limits<ui128>::max();
+        ui128 expectedRemainder = 0;
+
+        UNIT_ASSERT_EQUAL(dividend / divider, expectedQuotient);
+        UNIT_ASSERT_EQUAL(dividend % divider, expectedRemainder);
+    }
+
+    Y_UNIT_TEST(Ui128DivideMaxUi128Minus1By1) {
+        ui128 dividend = std::numeric_limits<ui128>::max() - 1;
+        ui128 divider = 1;
+        ui128 expectedQuotient = std::numeric_limits<ui128>::max() - 1;
+        ui128 expectedRemainder = 0;
+
+        UNIT_ASSERT_EQUAL(dividend / divider, expectedQuotient);
+        UNIT_ASSERT_EQUAL(dividend % divider, expectedRemainder);
+    }
+}
+
+Y_UNIT_TEST_SUITE(Ui128DivisionByEqualSuite) {
+    Y_UNIT_TEST(Ui128Divide1ByEqual) {
+        ui128 dividend = 1;
+        ui128 divider = dividend;
+        ui128 expectedQuotient = 1;
+        ui128 expectedRemainder = 0;
+
+        UNIT_ASSERT_EQUAL(dividend / divider, expectedQuotient);
+        UNIT_ASSERT_EQUAL(dividend % divider, expectedRemainder);
+    }
+
+    Y_UNIT_TEST(Ui128Divide2ByEqual) {
+        ui128 dividend = 2;
+        ui128 divider = dividend;
+        ui128 expectedQuotient = 1;
+        ui128 expectedRemainder = 0;
+
+        UNIT_ASSERT_EQUAL(dividend / divider, expectedQuotient);
+        UNIT_ASSERT_EQUAL(dividend % divider, expectedRemainder);
+    }
+
+    Y_UNIT_TEST(Ui128Divide42ByEqual) {
+        ui128 dividend = 42;
+        ui128 divider = dividend;
+        ui128 expectedQuotient = 1;
+        ui128 expectedRemainder = 0;
+
+        UNIT_ASSERT_EQUAL(dividend / divider, expectedQuotient);
+        UNIT_ASSERT_EQUAL(dividend % divider, expectedRemainder);
+    }
+
+    Y_UNIT_TEST(Ui128DivideMaxUi64ByEqual) {
+        ui128 dividend = std::numeric_limits<ui64>::max();
+        ui128 divider = dividend;
+        ui128 expectedQuotient = 1;
+        ui128 expectedRemainder = 0;
+
+        UNIT_ASSERT_EQUAL(dividend / divider, expectedQuotient);
+        UNIT_ASSERT_EQUAL(dividend % divider, expectedRemainder);
+    }
+
+    Y_UNIT_TEST(Ui128DivideMaxUi64Plus1ByEqual) {
+        ui128 dividend = ui128{std::numeric_limits<ui64>::max()} + ui128{1};
+        ui128 divider = dividend;
+        ui128 expectedQuotient = 1;
+        ui128 expectedRemainder = 0;
+
+        UNIT_ASSERT_EQUAL(dividend / divider, expectedQuotient);
+        UNIT_ASSERT_EQUAL(dividend % divider, expectedRemainder);
+    }
+
+    Y_UNIT_TEST(Ui128DivideMaxUi64Plus42ByEqual) {
+        ui128 dividend = ui128{std::numeric_limits<ui64>::max()} + ui128{42};
+        ui128 divider = dividend;
+        ui128 expectedQuotient = 1;
+        ui128 expectedRemainder = 0;
+
+        UNIT_ASSERT_EQUAL(dividend / divider, expectedQuotient);
+        UNIT_ASSERT_EQUAL(dividend % divider, expectedRemainder);
+    }
+
+    Y_UNIT_TEST(Ui128DivideMaxUi128ByEqual) {
+        ui128 dividend = std::numeric_limits<ui128>::max();
+        ui128 divider = dividend;
+        ui128 expectedQuotient = 1;
+        ui128 expectedRemainder = 0;
+
+        UNIT_ASSERT_EQUAL(dividend / divider, expectedQuotient);
+        UNIT_ASSERT_EQUAL(dividend % divider, expectedRemainder);
+    }
+
+    Y_UNIT_TEST(Ui128DivideMaxUi128Minus1ByEqual) {
+        ui128 dividend = std::numeric_limits<ui128>::max() - 1;
+        ui128 divider = dividend;
+        ui128 expectedQuotient = 1;
+        ui128 expectedRemainder = 0;
+
+        UNIT_ASSERT_EQUAL(dividend / divider, expectedQuotient);
+        UNIT_ASSERT_EQUAL(dividend % divider, expectedRemainder);
+    }
+}
+
+Y_UNIT_TEST_SUITE(Ui128DivisionLessByHigherSuite) {
+    Y_UNIT_TEST(Ui128Divide42By84) {
+        ui128 dividend = 42;
+        ui128 divider = 84;
+        ui128 expectedQuotient = 0;
+        ui128 expectedRemainder = 42;
+
+        UNIT_ASSERT_EQUAL(dividend / divider, expectedQuotient);
+        UNIT_ASSERT_EQUAL(dividend % divider, expectedRemainder);
+    }
+
+    Y_UNIT_TEST(Ui128Divide42ByMaxUi64) {
+        ui128 dividend = 42;
+        ui128 divider = std::numeric_limits<ui64>::max();
+        ui128 expectedQuotient = 0;
+        ui128 expectedRemainder = 42;
+
+        UNIT_ASSERT_EQUAL(dividend / divider, expectedQuotient);
+        UNIT_ASSERT_EQUAL(dividend % divider, expectedRemainder);
+    }
+
+    Y_UNIT_TEST(Ui128Divide42ByMaxUi64Plus1) {
+        ui128 dividend = 42;
+        ui128 divider = ui128{std::numeric_limits<ui64>::max()} + ui128{1};
+        ui128 expectedQuotient = 0;
+        ui128 expectedRemainder = 42;
+
+        UNIT_ASSERT_EQUAL(dividend / divider, expectedQuotient);
+        UNIT_ASSERT_EQUAL(dividend % divider, expectedRemainder);
+    }
+
+    Y_UNIT_TEST(Ui128DivideMaxUi64ByMaxUi64Plus1) {
+        ui128 dividend = ui128{std::numeric_limits<ui64>::max()};
+        ui128 divider = ui128{std::numeric_limits<ui64>::max()} + ui128{1};
+        ui128 expectedQuotient = 0;
+        ui128 expectedRemainder = ui128{std::numeric_limits<ui64>::max()};
+
+        UNIT_ASSERT_EQUAL(dividend / divider, expectedQuotient);
+        UNIT_ASSERT_EQUAL(dividend % divider, expectedRemainder);
+    }
+}
+
+Y_UNIT_TEST_SUITE(Ui128DivisionBigByBigSuite) {
+    Y_UNIT_TEST(Ui128DivideBigByBig1) {
+        ui128 dividend = {64, 0};
+        ui128 divider = {1, 0};
+        ui128 expectedQuotient = 64;
+        ui128 expectedRemainder = 0;
+
+        UNIT_ASSERT_EQUAL(dividend / divider, expectedQuotient);
+        UNIT_ASSERT_EQUAL(dividend % divider, expectedRemainder);
+    }
+
+    Y_UNIT_TEST(Ui128DivideBigByBig2) {
+        ui128 dividend = {64, 0};
+        ui128 divider = {12, 5};
+        ui128 expectedQuotient = 5;
+        ui128 expectedRemainder = ui128{3, 18446744073709551591ull}; // plz don't ask
+
+        UNIT_ASSERT_EQUAL(dividend / divider, expectedQuotient);
+        UNIT_ASSERT_EQUAL(dividend % divider, expectedRemainder);
+    }
+}
+
+Y_UNIT_TEST_SUITE(Ui128DivisionAlgo) {
+    Y_UNIT_TEST(Ui128DivideAlgoCheck) {
+        /*
+            49672666804009505000000 / 10000000 == 4967266680400950
+            49672666804009505000000 % 10000000 == 5000000
+        */
+        ui128 dividend = {2692ull, 14031757583392049728ull};
+        ui64 divider = 10000000;
+        ui128 expectedQuotient = {0, 4967266680400950ull};
+        ui128 expectedRemainder = {0, 5000000ull};
+
+        ui128 quotient = dividend / divider;
+        ui128 reminder = dividend % divider;
+
+        UNIT_ASSERT_EQUAL(quotient, expectedQuotient);
+        UNIT_ASSERT_EQUAL(reminder, expectedRemainder);
+    }
+}
diff --git a/library/cpp/int128/ut/ya.make b/library/cpp/int128/ut/ya.make
index 63211431bc..fd43531c5f 100644
--- a/library/cpp/int128/ut/ya.make
+++ b/library/cpp/int128/ut/ya.make
@@ -1,20 +1,20 @@
 UNITTEST_FOR(library/cpp/int128)
- 
-OWNER(vladon) 
+
+OWNER(vladon)
 
 SRCS(
-    int128_ut_helpers.cpp 
-    int128_ut_helpers.h 
-    int128_ut.cpp 
-    int128_typetraits_ut.cpp 
-    int128_old_ut.cpp 
-    int128_via_intrinsic_ut.cpp 
-    i128_ut.cpp 
-    i128_and_intrinsic_identity_ut.cpp 
-    i128_comparison_ut.cpp 
-    i128_division_ut.cpp 
-    i128_type_traits_ut.cpp 
-    ui128_division_ut.cpp 
+    int128_ut_helpers.cpp
+    int128_ut_helpers.h
+    int128_ut.cpp
+    int128_typetraits_ut.cpp
+    int128_old_ut.cpp
+    int128_via_intrinsic_ut.cpp
+    i128_ut.cpp
+    i128_and_intrinsic_identity_ut.cpp
+    i128_comparison_ut.cpp
+    i128_division_ut.cpp
+    i128_type_traits_ut.cpp
+    ui128_division_ut.cpp
 )
 
 END()
diff --git a/library/cpp/int128/ya.make b/library/cpp/int128/ya.make
index ae581746c7..95e453e6f1 100644
--- a/library/cpp/int128/ya.make
+++ b/library/cpp/int128/ya.make
@@ -1,13 +1,13 @@
 LIBRARY()
 
-OWNER( 
-    vladon 
+OWNER(
+    vladon
     # g:zora
-) 
+)
 
 SRCS(
-    int128.cpp 
-    int128.h 
+    int128.cpp
+    int128.h
 )
 
 END()
diff --git a/library/cpp/ipv6_address/ipv6_address.cpp b/library/cpp/ipv6_address/ipv6_address.cpp
index 7cfb17f06a..be8fcbae13 100644
--- a/library/cpp/ipv6_address/ipv6_address.cpp
+++ b/library/cpp/ipv6_address/ipv6_address.cpp
@@ -12,17 +12,17 @@
 #include <util/system/byteorder.h>
 #include <util/ysaveload.h>
 
-#include <array> 
- 
-namespace { 
-    // reinterpret_cast from memory, where most significant bit is first 
-    inline ui128 FromMemMSF(const char* memPtr) { 
-        Y_VERIFY(memPtr, " "); 
-        return ui128{ 
-            *reinterpret_cast<const ui64*>(memPtr), 
-            *(reinterpret_cast<const ui64*>(memPtr) + 1) 
-        }; 
-    } 
+#include <array>
+
+namespace {
+    // reinterpret_cast from memory, where most significant bit is first
+    inline ui128 FromMemMSF(const char* memPtr) {
+        Y_VERIFY(memPtr, " ");
+        return ui128{
+            *reinterpret_cast<const ui64*>(memPtr),
+            *(reinterpret_cast<const ui64*>(memPtr) + 1)
+        };
+    }
 
     // zero-terminated copy of address string
     template <size_t N>
@@ -33,17 +33,17 @@ namespace {
         res[len] = '\0';
         return res;
     }
-} 
- 
+}
+
 void TIpv6Address::InitFrom(const in6_addr& addr) {
     const ui64* const ui64Ptr = reinterpret_cast<const ui64*>(&addr);
     const ui64 raw[2] = {SwapBytes(*ui64Ptr), SwapBytes(*(ui64Ptr + 1))};
-    Ip = FromMemMSF(reinterpret_cast<const char*>(raw)); 
+    Ip = FromMemMSF(reinterpret_cast<const char*>(raw));
     Type_ = Ipv6;
 }
 void TIpv6Address::InitFrom(const in_addr& addr) {
-    unsigned long swapped = SwapBytes(addr.s_addr); 
-    Ip = ui128{0, swapped}; 
+    unsigned long swapped = SwapBytes(addr.s_addr);
+    Ip = ui128{0, swapped};
     Type_ = Ipv4;
 }
 
@@ -114,7 +114,7 @@ TString TIpv6Address::ToString(bool* ok) const noexcept {
     return ToString(true, ok);
 }
 TString TIpv6Address::ToString(bool PrintScopeId, bool* ok) const noexcept {
-    TString result; 
+    TString result;
     bool isOk = true;
 
     if (Type_ == TIpv6Address::Ipv4) {
@@ -176,16 +176,16 @@ void TIpv6Address::ToInAddr(in_addr& Addr4) const {
     Y_VERIFY(Type_ == TIpv6Address::Ipv4);
 
     Zero(Addr4);
-    ui32 Value = GetLow(Ip); 
-    Y_VERIFY(Value == GetLow(Ip), " "); 
-    Y_VERIFY(GetHigh(Ip) == 0, " "); 
+    ui32 Value = GetLow(Ip);
+    Y_VERIFY(Value == GetLow(Ip), " ");
+    Y_VERIFY(GetHigh(Ip) == 0, " ");
     Addr4.s_addr = SwapBytes(Value);
 }
 void TIpv6Address::ToIn6Addr(in6_addr& Addr6) const {
     Y_VERIFY(Type_ == TIpv6Address::Ipv6);
 
     Zero(Addr6);
-    ui64 Raw[2] = {GetHigh(Ip), GetLow(Ip)}; 
+    ui64 Raw[2] = {GetHigh(Ip), GetLow(Ip)};
     *Raw = SwapBytes(*Raw);
     Raw[1] = SwapBytes(1 [Raw]);
     memcpy(&Addr6, Raw, sizeof(Raw));
@@ -213,10 +213,10 @@ bool TIpv6Address::Isv4MappedTov6() const noexcept {
     if (Type_ != Ipv6)
         return false;
 
-    if (GetHigh(Ip) != 0) 
+    if (GetHigh(Ip) != 0)
         return false; // First 64 bit are not zero -> it is not ipv4-mapped-ipv6 address
 
-    const ui64 Low = GetLow(Ip) >> 32; 
+    const ui64 Low = GetLow(Ip) >> 32;
     if (Low != 0x0000ffff)
         return false;
 
@@ -227,8 +227,8 @@ TIpv6Address TIpv6Address::TryToExtractIpv4From6() const noexcept {
     if (Isv4MappedTov6() == false)
         return TIpv6Address();
 
-    const ui64 NewLow = GetLow(Ip) & 0x00000000ffffffff; 
-    TIpv6Address Result(ui128(0, NewLow), Ipv4); 
+    const ui64 NewLow = GetLow(Ip) & 0x00000000ffffffff;
+    TIpv6Address Result(ui128(0, NewLow), Ipv4);
     return Result;
 }
 
@@ -310,7 +310,7 @@ std::tuple<THostAddressAndPort, TString, TIpPort> ParseHostAndMayBePortFromStrin
                                                                                   bool& Ok) noexcept {
     // Cout << "ParseHostAndMayBePortFromString: " << RawStr << ", Port: " << DefaultPort << Endl;
 
-    using TRes = std::tuple<THostAddressAndPort, TString, TIpPort>; 
+    using TRes = std::tuple<THostAddressAndPort, TString, TIpPort>;
 
     // ---------------------------------------------------------------------
 
diff --git a/library/cpp/ipv6_address/ipv6_address.h b/library/cpp/ipv6_address/ipv6_address.h
index e497d6a2cb..1d7eb0b65f 100644
--- a/library/cpp/ipv6_address/ipv6_address.h
+++ b/library/cpp/ipv6_address/ipv6_address.h
@@ -147,7 +147,7 @@ private:
     void InitFrom(const sockaddr_in6& Addr);
     void InitFrom(const sockaddr_in& Addr);
 
-    ui128 Ip{}; 
+    ui128 Ip{};
     TIpType Type_ = LAST;
     ui32 ScopeId_ = 0;
 };
@@ -189,7 +189,7 @@ IOutputStream& operator<<(IOutputStream& Out, const THostAddressAndPort& HostAdd
 ///
 /// Returns
 ///   1. either valid THostAddressAndPort
-///   2. or TString with hostname (which you should resolve) and TIpPort with port 
+///   2. or TString with hostname (which you should resolve) and TIpPort with port
 ///   3. or error, if Ok == false
 ///
 /// Supported RawStrs are
@@ -203,13 +203,13 @@ std::tuple<THostAddressAndPort, TString, TIpPort> ParseHostAndMayBePortFromStrin
                                                                                   TIpPort DefaultPort,
                                                                                   bool& Ok) noexcept;
 
-using TIpv6AddressesSet = THashSet<TIpv6Address>; 
+using TIpv6AddressesSet = THashSet<TIpv6Address>;
 
 template <>
 struct THash<TIpv6Address> {
     inline size_t operator()(const TIpv6Address& ip) const {
-        const ui128& Tmp = static_cast<ui128>(ip); 
-        return CombineHashes(THash<ui128>()(Tmp), THash<ui8>()(static_cast<ui8>(ip.Type()))); 
+        const ui128& Tmp = static_cast<ui128>(ip);
+        return CombineHashes(THash<ui128>()(Tmp), THash<ui8>()(static_cast<ui8>(ip.Type())));
     }
 };
 template <>
diff --git a/library/cpp/json/domscheme_traits.h b/library/cpp/json/domscheme_traits.h
index 91c3351b22..a5a99cd8cf 100644
--- a/library/cpp/json/domscheme_traits.h
+++ b/library/cpp/json/domscheme_traits.h
@@ -9,7 +9,7 @@ struct TJsonTraits {
     using TValue = NJson::TJsonValue;
     using TValueRef = TValue*;
     using TConstValueRef = const TValue*;
-    using TStringType = TStringBuf; 
+    using TStringType = TStringBuf;
 
     // anyvalue defaults
     template <class T>
@@ -104,7 +104,7 @@ struct TJsonTraits {
         return v->GetMap().size();
     }
 
-    using TDictIterator = NJson::TJsonValue::TMapType::const_iterator; 
+    using TDictIterator = NJson::TJsonValue::TMapType::const_iterator;
 
     static inline TDictIterator DictBegin(TConstValueRef v) {
         return v->GetMap().begin();
@@ -200,8 +200,8 @@ struct TJsonTraits {
     }
 
     // validation ops
-    static inline TVector<TString> GetKeys(TConstValueRef v) { 
-        TVector<TString> res; 
+    static inline TVector<TString> GetKeys(TConstValueRef v) {
+        TVector<TString> res;
         for (const auto& it : v->GetMap()) {
             res.push_back(it.first);
         }
diff --git a/library/cpp/json/easy_parse/json_easy_parser.h b/library/cpp/json/easy_parse/json_easy_parser.h
index 6a74f6c3d4..59d7791ab1 100644
--- a/library/cpp/json/easy_parse/json_easy_parser.h
+++ b/library/cpp/json/easy_parse/json_easy_parser.h
@@ -1,6 +1,6 @@
 #pragma once
 
-#include <util/generic/string.h> 
+#include <util/generic/string.h>
 #include <util/generic/vector.h>
 #include <util/stream/input.h>
 #include <util/stream/output.h>
@@ -23,13 +23,13 @@ namespace NJson {
      */
 
     class TJsonParser {
-        TString Prefix; 
+        TString Prefix;
 
         struct TField {
-            TVector<TPathElem> Path; 
+            TVector<TPathElem> Path;
             bool NonEmpty;
         };
-        TVector<TField> Fields; 
+        TVector<TField> Fields;
 
         friend class TRewriteJsonImpl;
 
diff --git a/library/cpp/json/easy_parse/json_easy_parser_impl.h b/library/cpp/json/easy_parse/json_easy_parser_impl.h
index 491b684df7..ec55d838b3 100644
--- a/library/cpp/json/easy_parse/json_easy_parser_impl.h
+++ b/library/cpp/json/easy_parse/json_easy_parser_impl.h
@@ -10,10 +10,10 @@ namespace NJson {
             MAP_KEY
         };
     }
-    template <class TStringType> 
+    template <class TStringType>
     struct TPathElemImpl {
         NImpl::EType Type;
-        TStringType Key; 
+        TStringType Key;
         int ArrayCounter;
 
         TPathElemImpl(NImpl::EType type)
@@ -36,5 +36,5 @@ namespace NJson {
         }
     };
 
-    typedef TPathElemImpl<TString> TPathElem; 
+    typedef TPathElemImpl<TString> TPathElem;
 }
diff --git a/library/cpp/json/fast_sax/parser.rl6 b/library/cpp/json/fast_sax/parser.rl6
index 885f141c3d..edb4e9ee1b 100644
--- a/library/cpp/json/fast_sax/parser.rl6
+++ b/library/cpp/json/fast_sax/parser.rl6
@@ -58,7 +58,7 @@ struct TParserCtx {
         if (!token) {
             Hndl.OnError(off, reason);
         } else {
-            Hndl.OnError(off, TString::Join(reason, " at token: '", token, "'")); 
+            Hndl.OnError(off, TString::Join(reason, " at token: '", token, "'"));
         }
 
         return false;
diff --git a/library/cpp/json/fuzzy_test/main.cpp b/library/cpp/json/fuzzy_test/main.cpp
index 3f6dbc3117..29a53aac14 100644
--- a/library/cpp/json/fuzzy_test/main.cpp
+++ b/library/cpp/json/fuzzy_test/main.cpp
@@ -4,7 +4,7 @@
 #include <util/stream/str.h>
 
 extern "C" int LLVMFuzzerTestOneInput(const ui8* data, size_t size) {
-    const auto json = TString((const char*)data, size); 
+    const auto json = TString((const char*)data, size);
 
     try {
         NJson::TJsonValue value;
diff --git a/library/cpp/json/json_writer.h b/library/cpp/json/json_writer.h
index ecd4dcc671..c7f5c9499a 100644
--- a/library/cpp/json/json_writer.h
+++ b/library/cpp/json/json_writer.h
@@ -8,7 +8,7 @@
 
 #include <util/stream/output.h>
 #include <util/generic/hash.h>
-#include <util/generic/maybe.h> 
+#include <util/generic/maybe.h>
 #include <util/generic/strbuf.h>
 
 namespace NJson {
@@ -154,8 +154,8 @@ namespace NJson {
 
         void WriteOptional(const TStringBuf&, const TNothing&) {
             // nothing to do
-        } 
- 
+        }
+
         void WriteKey(const TStringBuf key) {
             Buf.WriteKey(key);
         }
@@ -179,7 +179,7 @@ namespace NJson {
         NJsonWriter::TBufState State() const {
             return Buf.State();
         }
- 
+
         void Reset(const NJsonWriter::TBufState& from) {
             return Buf.Reset(from);
         }
diff --git a/library/cpp/json/ut/json_reader_fast_ut.cpp b/library/cpp/json/ut/json_reader_fast_ut.cpp
index 4ecd698d56..60dffc91c7 100644
--- a/library/cpp/json/ut/json_reader_fast_ut.cpp
+++ b/library/cpp/json/ut/json_reader_fast_ut.cpp
@@ -280,7 +280,7 @@ public:
     }
 
     void TestReadJsonFastTree() {
-        const TString json = R"( 
+        const TString json = R"(
             {
                 "a": {
                     "b": {}
diff --git a/library/cpp/json/ut/json_reader_ut.cpp b/library/cpp/json/ut/json_reader_ut.cpp
index dd75332971..cd31afa0b8 100644
--- a/library/cpp/json/ut/json_reader_ut.cpp
+++ b/library/cpp/json/ut/json_reader_ut.cpp
@@ -68,9 +68,9 @@ public:
 
 Y_UNIT_TEST_SUITE(TJsonReaderTest) {
     Y_UNIT_TEST(JsonReformatTest) {
-        TString data = "{\"null value\": null, \"intkey\": 10, \"double key\": 11.11, \"string key\": \"string\", \"array\": [1,2,3,\"TString\"], \"bool key\": true}"; 
+        TString data = "{\"null value\": null, \"intkey\": 10, \"double key\": 11.11, \"string key\": \"string\", \"array\": [1,2,3,\"TString\"], \"bool key\": true}";
 
-        TString result1, result2; 
+        TString result1, result2;
         {
             TStringStream in;
             in << data;
@@ -120,7 +120,7 @@ Y_UNIT_TEST_SUITE(TJsonReaderTest) {
     }
 
     Y_UNIT_TEST(TJsonTreeTest) {
-        TString data = "{\"intkey\": 10, \"double key\": 11.11, \"null value\":null, \"string key\": \"string\", \"array\": [1,2,3,\"TString\"], \"bool key\": true}"; 
+        TString data = "{\"intkey\": 10, \"double key\": 11.11, \"null value\":null, \"string key\": \"string\", \"array\": [1,2,3,\"TString\"], \"bool key\": true}";
         TStringStream in;
         in << data;
         TJsonValue value;
@@ -130,7 +130,7 @@ Y_UNIT_TEST_SUITE(TJsonReaderTest) {
         UNIT_ASSERT_DOUBLES_EQUAL(value["double key"].GetDouble(), 11.11, 0.001);
         UNIT_ASSERT_VALUES_EQUAL(value["bool key"].GetBoolean(), true);
         UNIT_ASSERT_VALUES_EQUAL(value["absent string key"].GetString(), TString(""));
-        UNIT_ASSERT_VALUES_EQUAL(value["string key"].GetString(), TString("string")); 
+        UNIT_ASSERT_VALUES_EQUAL(value["string key"].GetString(), TString("string"));
         UNIT_ASSERT_VALUES_EQUAL(value["array"][0].GetInteger(), 1);
         UNIT_ASSERT_VALUES_EQUAL(value["array"][1].GetInteger(), 2);
         UNIT_ASSERT_VALUES_EQUAL(value["array"][2].GetInteger(), 3);
@@ -155,19 +155,19 @@ Y_UNIT_TEST_SUITE(TJsonReaderTest) {
     }
 
     Y_UNIT_TEST(TJsonRomaTest) {
-        TString data = "{\"test\": [ {\"name\": \"A\"} ]}"; 
+        TString data = "{\"test\": [ {\"name\": \"A\"} ]}";
 
         TStringStream in;
         in << data;
         TJsonValue value;
         ReadJsonTree(&in, &value);
 
-        UNIT_ASSERT_VALUES_EQUAL(value["test"][0]["name"].GetString(), TString("A")); 
+        UNIT_ASSERT_VALUES_EQUAL(value["test"][0]["name"].GetString(), TString("A"));
     }
 
     Y_UNIT_TEST(TJsonReadTreeWithComments) {
         {
-            TString leadingCommentData = "{ // \"test\" : 1 \n}"; 
+            TString leadingCommentData = "{ // \"test\" : 1 \n}";
             {
                 // No comments allowed
                 TStringStream in;
@@ -187,7 +187,7 @@ Y_UNIT_TEST_SUITE(TJsonReaderTest) {
         }
 
         {
-            TString trailingCommentData = "{ \"test1\" : 1 // \"test2\" : 2 \n }"; 
+            TString trailingCommentData = "{ \"test1\" : 1 // \"test2\" : 2 \n }";
             {
                 // No comments allowed
                 TStringStream in;
@@ -375,7 +375,7 @@ Y_UNIT_TEST_SUITE(TJsonReaderTest) {
 
     Y_UNIT_TEST(TJsonMemoryLeakTest) {
         // after https://clubs.at.yandex-team.ru/stackoverflow/3691
-        TString s = "."; 
+        TString s = ".";
         NJson::TJsonValue json;
         try {
             TStringInput in(s);
diff --git a/library/cpp/json/ut/json_writer_ut.cpp b/library/cpp/json/ut/json_writer_ut.cpp
index ae60f208d4..ca11d34dad 100644
--- a/library/cpp/json/ut/json_writer_ut.cpp
+++ b/library/cpp/json/ut/json_writer_ut.cpp
@@ -7,9 +7,9 @@ using namespace NJson;
 
 Y_UNIT_TEST_SUITE(TJsonWriterTest) {
     Y_UNIT_TEST(SimpleWriteTest) {
-        TString expected1 = "{\"key1\":1,\"key2\":2,\"key3\":3"; 
+        TString expected1 = "{\"key1\":1,\"key2\":2,\"key3\":3";
         TString expected2 = expected1 + ",\"array\":[\"stroka\",false]";
-        TString expected3 = expected2 + "}"; 
+        TString expected3 = expected2 + "}";
 
         TStringStream out;
 
@@ -42,7 +42,7 @@ Y_UNIT_TEST_SUITE(TJsonWriterTest) {
     }
 
     Y_UNIT_TEST(SimpleWriteValueTest) {
-        TString expected = "{\"key1\":null,\"key2\":{\"subkey1\":[1,{\"subsubkey\":\"test2\"},null,true],\"subkey2\":\"test\"}}"; 
+        TString expected = "{\"key1\":null,\"key2\":{\"subkey1\":[1,{\"subsubkey\":\"test2\"},null,true],\"subkey2\":\"test\"}}";
         TJsonValue v;
         v["key1"] = JSON_NULL;
         v["key2"]["subkey1"].AppendValue(1);
@@ -56,7 +56,7 @@ Y_UNIT_TEST_SUITE(TJsonWriterTest) {
     }
 
     Y_UNIT_TEST(FormatOutput) {
-        TString expected = "{\n  \"key1\":null,\n  \"key2\":\n    {\n      \"subkey1\":\n        [\n          1,\n          {\n            \"subsubkey\":\"test2\"\n          },\n          null,\n          true\n        ],\n      \"subkey2\":\"test\"\n    }\n}"; 
+        TString expected = "{\n  \"key1\":null,\n  \"key2\":\n    {\n      \"subkey1\":\n        [\n          1,\n          {\n            \"subsubkey\":\"test2\"\n          },\n          null,\n          true\n        ],\n      \"subkey2\":\"test\"\n    }\n}";
         TJsonValue v;
         v["key1"] = JSON_NULL;
         v["key2"]["subkey1"].AppendValue(1);
@@ -70,7 +70,7 @@ Y_UNIT_TEST_SUITE(TJsonWriterTest) {
     }
 
     Y_UNIT_TEST(SortKeys) {
-        TString expected = "{\"a\":null,\"j\":null,\"n\":null,\"y\":null,\"z\":null}"; 
+        TString expected = "{\"a\":null,\"j\":null,\"n\":null,\"y\":null,\"z\":null}";
         TJsonValue v;
         v["z"] = JSON_NULL;
         v["n"] = JSON_NULL;
@@ -84,7 +84,7 @@ Y_UNIT_TEST_SUITE(TJsonWriterTest) {
 
     Y_UNIT_TEST(SimpleUnsignedIntegerWriteTest) {
         {
-            TString expected = "{\"test\":1}"; 
+            TString expected = "{\"test\":1}";
             TJsonValue v;
             v.InsertValue("test", 1ull);
             TStringStream out;
@@ -93,7 +93,7 @@ Y_UNIT_TEST_SUITE(TJsonWriterTest) {
         } // 1
 
         {
-            TString expected = "{\"test\":-1}"; 
+            TString expected = "{\"test\":-1}";
             TJsonValue v;
             v.InsertValue("test", -1);
             TStringStream out;
@@ -102,7 +102,7 @@ Y_UNIT_TEST_SUITE(TJsonWriterTest) {
         } // -1
 
         {
-            TString expected = "{\"test\":18446744073709551615}"; 
+            TString expected = "{\"test\":18446744073709551615}";
             TJsonValue v;
             v.InsertValue("test", 18446744073709551615ull);
             TStringStream out;
@@ -111,7 +111,7 @@ Y_UNIT_TEST_SUITE(TJsonWriterTest) {
         } // 18446744073709551615
 
         {
-            TString expected = "{\"test\":[1,18446744073709551615]}"; 
+            TString expected = "{\"test\":[1,18446744073709551615]}";
             TJsonValue v;
             v.InsertValue("test", TJsonValue());
             v["test"].AppendValue(1);
@@ -123,62 +123,62 @@ Y_UNIT_TEST_SUITE(TJsonWriterTest) {
     }     // SimpleUnsignedIntegerWriteTest
 
     Y_UNIT_TEST(WriteOptionalTest) {
-        { 
-            TString expected = "{\"test\":1}"; 
- 
-            TStringStream out; 
- 
-            TJsonWriter json(&out, false); 
-            json.OpenMap(); 
-            json.WriteOptional("test", MakeMaybe<int>(1)); 
-            json.CloseMap(); 
-            json.Flush(); 
-            UNIT_ASSERT_VALUES_EQUAL(out.Str(), expected); 
-        } 
- 
-        { 
-            TString expected = "{}"; 
- 
-            TStringStream out; 
- 
-            TMaybe<int> nothing = Nothing(); 
- 
-            TJsonWriter json(&out, false); 
-            json.OpenMap(); 
-            json.WriteOptional("test", nothing); 
-            json.CloseMap(); 
-            json.Flush(); 
-            UNIT_ASSERT_VALUES_EQUAL(out.Str(), expected); 
-        } 
- 
-        { 
-            TString expected = "{}"; 
- 
-            TStringStream out; 
- 
-            TMaybe<int> empty; 
- 
-            TJsonWriter json(&out, false); 
-            json.OpenMap(); 
-            json.WriteOptional("test", empty); 
-            json.CloseMap(); 
-            json.Flush(); 
-            UNIT_ASSERT_VALUES_EQUAL(out.Str(), expected); 
-        } 
- 
-        { 
-            TString expected = "{}"; 
- 
-            TStringStream out; 
- 
-            TJsonWriter json(&out, false); 
-            json.OpenMap(); 
-            json.WriteOptional("test", Nothing()); 
-            json.CloseMap(); 
-            json.Flush(); 
-            UNIT_ASSERT_VALUES_EQUAL(out.Str(), expected); 
-        } 
-    } 
+        {
+            TString expected = "{\"test\":1}";
+
+            TStringStream out;
+
+            TJsonWriter json(&out, false);
+            json.OpenMap();
+            json.WriteOptional("test", MakeMaybe<int>(1));
+            json.CloseMap();
+            json.Flush();
+            UNIT_ASSERT_VALUES_EQUAL(out.Str(), expected);
+        }
+
+        {
+            TString expected = "{}";
+
+            TStringStream out;
+
+            TMaybe<int> nothing = Nothing();
+
+            TJsonWriter json(&out, false);
+            json.OpenMap();
+            json.WriteOptional("test", nothing);
+            json.CloseMap();
+            json.Flush();
+            UNIT_ASSERT_VALUES_EQUAL(out.Str(), expected);
+        }
+
+        {
+            TString expected = "{}";
+
+            TStringStream out;
+
+            TMaybe<int> empty;
+
+            TJsonWriter json(&out, false);
+            json.OpenMap();
+            json.WriteOptional("test", empty);
+            json.CloseMap();
+            json.Flush();
+            UNIT_ASSERT_VALUES_EQUAL(out.Str(), expected);
+        }
+
+        {
+            TString expected = "{}";
+
+            TStringStream out;
+
+            TJsonWriter json(&out, false);
+            json.OpenMap();
+            json.WriteOptional("test", Nothing());
+            json.CloseMap();
+            json.Flush();
+            UNIT_ASSERT_VALUES_EQUAL(out.Str(), expected);
+        }
+    }
 
     Y_UNIT_TEST(Callback) {
         NJsonWriter::TBuf json;
diff --git a/library/cpp/json/writer/json.h b/library/cpp/json/writer/json.h
index d7c77f9c63..0aae2531b9 100644
--- a/library/cpp/json/writer/json.h
+++ b/library/cpp/json/writer/json.h
@@ -2,7 +2,7 @@
 
 #include <util/generic/noncopyable.h>
 #include <util/generic/ptr.h>
-#include <util/generic/string.h> 
+#include <util/generic/string.h>
 #include <util/generic/vector.h>
 #include <util/generic/yexception.h>
 #include <util/stream/str.h>
@@ -36,7 +36,7 @@ namespace NJsonWriter {
     struct TBufState {
         bool NeedComma;
         bool NeedNewline;
-        TVector<EJsonEntity> Stack; 
+        TVector<EJsonEntity> Stack;
     };
 
     class TBuf : TNonCopyable {
@@ -88,7 +88,7 @@ namespace NJsonWriter {
         /*** Return the string formed in the internal TStringStream.
            * You may only call it if the `stream' parameter was NULL
            * at construction time.                                        */
-        const TString& Str() const; 
+        const TString& Str() const;
 
         /*** Dump and forget the string constructed so far.
            * You may only call it if the `stream' parameter was NULL
@@ -147,10 +147,10 @@ namespace NJsonWriter {
     private:
         IOutputStream* Stream;
         THolder<TStringStream> StringStream;
-        typedef TVector<const TString*> TKeys; 
+        typedef TVector<const TString*> TKeys;
         TKeys Keys;
 
-        TVector<EJsonEntity> Stack; 
+        TVector<EJsonEntity> Stack;
         bool NeedComma;
         bool NeedNewline;
         const EHtmlEscapeMode EscapeMode;
diff --git a/library/cpp/json/writer/json_ut.cpp b/library/cpp/json/writer/json_ut.cpp
index a05d39f0a9..9980555683 100644
--- a/library/cpp/json/writer/json_ut.cpp
+++ b/library/cpp/json/writer/json_ut.cpp
@@ -32,14 +32,14 @@ Y_UNIT_TEST_SUITE(JsonWriter) {
     Y_UNIT_TEST(EscapedString) {
         NJsonWriter::TBuf w(NJsonWriter::HEM_ESCAPE_HTML);
         w.WriteString(" \n \r \t \007 \b \f ' <tag> &ent; \"txt\" ");
-        TString ws = w.Str(); 
+        TString ws = w.Str();
         const char* exp = "\" \\n \\r \\t \\u0007 \\b \\f &#39; &lt;tag&gt; &amp;ent; &quot;txt&quot; \"";
         UNIT_ASSERT_STRINGS_EQUAL(ws.c_str(), exp);
     }
     Y_UNIT_TEST(UnescapedString) {
         NJsonWriter::TBuf w;
         w.WriteString(" \n \r \t \b \f '; -- <tag> &ent; \"txt\"", NJsonWriter::HEM_DONT_ESCAPE_HTML);
-        TString ws = w.Str(); 
+        TString ws = w.Str();
         const char* exp = "\" \\n \\r \\t \\b \\f \\u0027; -- \\u003Ctag\\u003E &ent; \\\"txt\\\"\"";
         UNIT_ASSERT_STRINGS_EQUAL(ws.c_str(), exp);
     }
@@ -48,12 +48,12 @@ Y_UNIT_TEST_SUITE(JsonWriter) {
         w.UnsafeWriteRawBytes("(", 1);
         w.BeginList().WriteString("<>&'\\").BeginList();
         w.EndList().EndList();
-        TString ws = w.Str(); 
+        TString ws = w.Str();
         const char* exp = "([\"\\u003C\\u003E&\\u0027\\\\\",[]]";
         UNIT_ASSERT_STRINGS_EQUAL(ws.c_str(), exp);
     }
     Y_UNIT_TEST(Utf8) {
-        TString ws = NJsonWriter::TBuf().WriteString("яЯ σΣ ש א").Str(); 
+        TString ws = NJsonWriter::TBuf().WriteString("яЯ σΣ ש א").Str();
         const char* exp = "\"яЯ σΣ ש א\"";
         UNIT_ASSERT_STRINGS_EQUAL(ws.c_str(), exp);
     }
@@ -80,14 +80,14 @@ Y_UNIT_TEST_SUITE(JsonWriter) {
             .CompatWriteKeyWithoutQuotes("n")
             .WriteInt(0)
             .EndObject();
-        TString ws = w.Str(); 
+        TString ws = w.Str();
         const char* exp = "{p:1,n:0}";
         UNIT_ASSERT_STRINGS_EQUAL(ws.c_str(), exp);
     }
     Y_UNIT_TEST(UnescapedStringInObject) {
         NJsonWriter::TBuf w(NJsonWriter::HEM_DONT_ESCAPE_HTML);
         w.BeginObject().WriteKey("key").WriteString("</&>'").EndObject();
-        TString ws = w.Str(); 
+        TString ws = w.Str();
         const char* exp = "{\"key\":\"\\u003C\\/&\\u003E\\u0027\"}";
         UNIT_ASSERT_STRINGS_EQUAL(ws.c_str(), exp);
     }
diff --git a/library/cpp/json/writer/json_value.cpp b/library/cpp/json/writer/json_value.cpp
index 79623a732a..c61e8d1dc4 100644
--- a/library/cpp/json/writer/json_value.cpp
+++ b/library/cpp/json/writer/json_value.cpp
@@ -23,15 +23,15 @@ AreJsonMapsEqual(const NJson::TJsonValue& lhs, const NJson::TJsonValue& rhs) {
     if (rhs.GetType() != JSON_MAP)
         return false;
 
-    typedef TJsonValue::TMapType TMapType; 
-    const TMapType& lhsMap = lhs.GetMap(); 
-    const TMapType& rhsMap = rhs.GetMap(); 
+    typedef TJsonValue::TMapType TMapType;
+    const TMapType& lhsMap = lhs.GetMap();
+    const TMapType& rhsMap = rhs.GetMap();
 
     if (lhsMap.size() != rhsMap.size())
         return false;
 
     for (const auto& lhsIt : lhsMap) {
-        TMapType::const_iterator rhsIt = rhsMap.find(lhsIt.first); 
+        TMapType::const_iterator rhsIt = rhsMap.find(lhsIt.first);
         if (rhsIt == rhsMap.end())
             return false;
 
diff --git a/library/cpp/json/writer/json_value.h b/library/cpp/json/writer/json_value.h
index 97bf582550..3f0f50bc4c 100644
--- a/library/cpp/json/writer/json_value.h
+++ b/library/cpp/json/writer/json_value.h
@@ -2,7 +2,7 @@
 
 #include <library/cpp/json/common/defs.h>
 
-#include <util/generic/string.h> 
+#include <util/generic/string.h>
 #include <util/generic/hash.h>
 #include <util/generic/vector.h>
 #include <util/generic/deque.h>
diff --git a/library/cpp/json/writer/json_value_ut.cpp b/library/cpp/json/writer/json_value_ut.cpp
index 30b8dda6f8..dc7f6affdf 100644
--- a/library/cpp/json/writer/json_value_ut.cpp
+++ b/library/cpp/json/writer/json_value_ut.cpp
@@ -500,8 +500,8 @@ Y_UNIT_TEST_SUITE(TJsonValueTest) {
             expectedJson.InsertValue("foo", "bar");
             UNIT_ASSERT(json == expectedJson);
 
-            TJsonValue::TMapType jsonMap = std::move(json.GetMapSafe()); 
-            TJsonValue::TMapType expectedMap = {{"foo", TJsonValue{"bar"}}}; 
+            TJsonValue::TMapType jsonMap = std::move(json.GetMapSafe());
+            TJsonValue::TMapType expectedMap = {{"foo", TJsonValue{"bar"}}};
             UNIT_ASSERT(jsonMap == expectedMap);
         }
     }
@@ -601,7 +601,7 @@ Y_UNIT_TEST_SUITE(TJsonValueTest) {
     }
 
     Y_UNIT_TEST(GetIntegerRobustBignumStringTest) {
-        TString value = "1626862681464633683"; 
+        TString value = "1626862681464633683";
         TJsonValue json(value);
         UNIT_ASSERT_VALUES_EQUAL(json.GetUIntegerRobust(), FromString<ui64>(value));
         UNIT_ASSERT_VALUES_EQUAL(json.GetIntegerRobust(), FromString<i64>(value));
@@ -619,7 +619,7 @@ Y_UNIT_TEST_SUITE(TJsonValueTest) {
             "Testing TJsonValue& operator=(TJsonValue&&) subpart self moving "
             "after TJsonValue was constrcuted from TString&&.";
 
-        json["hello"] = TString{longTestString}; 
+        json["hello"] = TString{longTestString};
         json = std::move(json["hello"]);
         UNIT_ASSERT_VALUES_EQUAL(json.GetString(), longTestString);
     }
diff --git a/library/cpp/json/yson/json2yson.cpp b/library/cpp/json/yson/json2yson.cpp
index 97e81d15b5..f72cb7a9ef 100644
--- a/library/cpp/json/yson/json2yson.cpp
+++ b/library/cpp/json/yson/json2yson.cpp
@@ -36,7 +36,7 @@ namespace NJson2Yson {
             }
             case NJson::JSON_MAP: {
                 adapter->OnOpenMap();
-                const NJson::TJsonValue::TMapType& map = jsonValue.GetMap(); 
+                const NJson::TJsonValue::TMapType& map = jsonValue.GetMap();
                 for (const auto& it : map) {
                     adapter->OnMapKey(it.first);
                     WriteJsonValue(it.second, adapter);
diff --git a/library/cpp/json/yson/json2yson_ut.cpp b/library/cpp/json/yson/json2yson_ut.cpp
index e17ef14e35..9eb23354cf 100644
--- a/library/cpp/json/yson/json2yson_ut.cpp
+++ b/library/cpp/json/yson/json2yson_ut.cpp
@@ -26,7 +26,7 @@ static TString GetRequestsWithDecoding(const TString& inputPath, const NBlockCod
 Y_UNIT_TEST_SUITE(Json2Yson) {
     Y_UNIT_TEST(NOAPACHE_REQUESTS) {
         const ui32 warmUpRetries = 5;
-        const TVector<double> percentiles = {0.25, 0.5, 0.6, 0.7, 0.75, 0.8, 0.85, 0.9, 0.95, 0.97, 0.99, 1.0}; 
+        const TVector<double> percentiles = {0.25, 0.5, 0.6, 0.7, 0.75, 0.8, 0.85, 0.9, 0.95, 0.97, 0.99, 1.0};
 
         NSimpleHistogram::TMultiHistogramCalcer<ui64> calcer;
 
diff --git a/library/cpp/lcs/lcs_via_lis.h b/library/cpp/lcs/lcs_via_lis.h
index c652c31c81..d26733d94e 100644
--- a/library/cpp/lcs/lcs_via_lis.h
+++ b/library/cpp/lcs/lcs_via_lis.h
@@ -11,9 +11,9 @@
 namespace NLCS {
     template <typename TVal>
     struct TLCSCtx {
-        typedef TVector<ui32> TSubsequence; 
-        typedef THashMap<TVal, TSubsequence, THash<TVal>, TEqualTo<TVal>, ::TPoolAllocator> TEncounterIndex; 
-        typedef TVector<std::pair<ui32, ui32>> TLastIndex; 
+        typedef TVector<ui32> TSubsequence;
+        typedef THashMap<TVal, TSubsequence, THash<TVal>, TEqualTo<TVal>, ::TPoolAllocator> TEncounterIndex;
+        typedef TVector<std::pair<ui32, ui32>> TLastIndex;
         typedef NPagedVector::TPagedVector<TSubsequence, 4096> TCover;
 
         TMemoryPool Pool;
@@ -183,7 +183,7 @@ namespace NLCS {
 
     template <typename TVal, typename TIter>
     size_t MeasureLCS(TIter beg1, TIter end1, TIter beg2, TIter end2, TLCSCtx<TVal>* ctx = nullptr) {
-        return MakeLCS<TVal>(beg1, end1, beg2, end2, (TVector<TVal>*)nullptr, ctx); 
+        return MakeLCS<TVal>(beg1, end1, beg2, end2, (TVector<TVal>*)nullptr, ctx);
     }
 
     template <typename TVal, typename TColl>
diff --git a/library/cpp/lcs/lcs_via_lis_ut.cpp b/library/cpp/lcs/lcs_via_lis_ut.cpp
index 88c6bb4d94..f6ad5152b6 100644
--- a/library/cpp/lcs/lcs_via_lis_ut.cpp
+++ b/library/cpp/lcs/lcs_via_lis_ut.cpp
@@ -10,7 +10,7 @@ class TLCSTest: public TTestBase {
 
 private:
     size_t Length(TStringBuf s1, TStringBuf s2) {
-        TVector<TVector<size_t>> c; 
+        TVector<TVector<size_t>> c;
         c.resize(s1.size() + 1);
 
         for (size_t i = 0; i < c.size(); ++i) {
@@ -37,7 +37,7 @@ private:
     }
 
     void CheckLCSString(TStringBuf s1, TStringBuf s2, TStringBuf reflcs) {
-        TString lcs; 
+        TString lcs;
         size_t len = NLCS::MakeLCS<char>(s1, s2, &lcs);
         const char* comment = Sprintf("%s & %s = %s", s1.data(), s2.data(), reflcs.data()).c_str();
 
diff --git a/library/cpp/lfalloc/alloc_profiler/profiler.cpp b/library/cpp/lfalloc/alloc_profiler/profiler.cpp
index 593521d657..0e30927a5a 100644
--- a/library/cpp/lfalloc/alloc_profiler/profiler.cpp
+++ b/library/cpp/lfalloc/alloc_profiler/profiler.cpp
@@ -4,7 +4,7 @@
 
 #include <util/generic/algorithm.h>
 #include <util/generic/singleton.h>
-#include <util/generic/string.h> 
+#include <util/generic/string.h>
 #include <util/generic/vector.h>
 #include <util/stream/str.h>
 
diff --git a/library/cpp/lfalloc/alloc_profiler/stackcollect.cpp b/library/cpp/lfalloc/alloc_profiler/stackcollect.cpp
index 55ecc8213f..fded4e2fd1 100644
--- a/library/cpp/lfalloc/alloc_profiler/stackcollect.cpp
+++ b/library/cpp/lfalloc/alloc_profiler/stackcollect.cpp
@@ -208,7 +208,7 @@ public:
         const TFrameInfo* frames = TBase::GetFrames();
         size_t framesCount = TBase::GetFramesCount();
 
-        TVector<const TFrameInfo*> stacks; 
+        TVector<const TFrameInfo*> stacks;
         for (size_t i = 0; i < framesCount; ++i) {
             if (frames[i].Stats.Allocs) {
                 stacks.push_back(&frames[i]);
diff --git a/library/cpp/lfalloc/lf_allocX64.cpp b/library/cpp/lfalloc/lf_allocX64.cpp
index b15bfc1026..2eb90761fe 100644
--- a/library/cpp/lfalloc/lf_allocX64.cpp
+++ b/library/cpp/lfalloc/lf_allocX64.cpp
@@ -3,14 +3,14 @@
 //////////////////////////////////////////////////////////////////////////
 // hooks
 #if defined(USE_INTELCC) || defined(_darwin_) || defined(_freebsd_) || defined(_STLPORT_VERSION)
-#define OP_THROWNOTHING noexcept 
+#define OP_THROWNOTHING noexcept
 #else
 #define OP_THROWNOTHING
 #endif
 
 #ifndef _darwin_
 #if !defined(YMAKE)
-void* operator new(size_t size) { 
+void* operator new(size_t size) {
     return LFAlloc(size);
 }
 
@@ -26,7 +26,7 @@ void operator delete(void* p, const std::nothrow_t&)OP_THROWNOTHING {
     LFFree(p);
 }
 
-void* operator new[](size_t size) { 
+void* operator new[](size_t size) {
     return LFAlloc(size);
 }
 
diff --git a/library/cpp/linear_regression/benchmark/pool.cpp b/library/cpp/linear_regression/benchmark/pool.cpp
index 5e014e575c..7f2c6a7004 100644
--- a/library/cpp/linear_regression/benchmark/pool.cpp
+++ b/library/cpp/linear_regression/benchmark/pool.cpp
@@ -3,7 +3,7 @@
 #include <util/string/cast.h>
 #include <util/stream/file.h>
 
-TInstance TInstance::FromFeaturesString(const TString& featuresString) { 
+TInstance TInstance::FromFeaturesString(const TString& featuresString) {
     TInstance instance;
 
     TStringBuf featuresStringBuf(featuresString);
@@ -29,7 +29,7 @@ TPool::TCVIterator::TCVIterator(const TPool& parentPool, const size_t foldsCount
 }
 
 void TPool::TCVIterator::ResetShuffle() {
-    TVector<size_t> instanceNumbers(ParentPool.size()); 
+    TVector<size_t> instanceNumbers(ParentPool.size());
     for (size_t instanceNumber = 0; instanceNumber < ParentPool.size(); ++instanceNumber) {
         instanceNumbers[instanceNumber] = instanceNumber;
     }
@@ -83,9 +83,9 @@ bool TPool::TCVIterator::TakeCurrent() const {
     return false;
 }
 
-void TPool::ReadFromFeatures(const TString& featuresPath) { 
-    TFileInput featuresIn(featuresPath); 
-    TString featuresString; 
+void TPool::ReadFromFeatures(const TString& featuresPath) {
+    TFileInput featuresIn(featuresPath);
+    TString featuresString;
     while (featuresIn.ReadLine(featuresString)) {
         this->push_back(TInstance::FromFeaturesString(featuresString));
     }
diff --git a/library/cpp/linear_regression/benchmark/pool.h b/library/cpp/linear_regression/benchmark/pool.h
index 88140b7dd1..43288319c8 100644
--- a/library/cpp/linear_regression/benchmark/pool.h
+++ b/library/cpp/linear_regression/benchmark/pool.h
@@ -1,17 +1,17 @@
 #pragma once
 
 #include <util/generic/vector.h>
-#include <util/generic/string.h> 
+#include <util/generic/string.h>
 
 #include <util/random/mersenne.h>
 #include <util/random/shuffle.h>
 
 struct TInstance {
-    TVector<double> Features; 
+    TVector<double> Features;
     double Goal;
     double Weight;
 
-    static TInstance FromFeaturesString(const TString& featuresString); 
+    static TInstance FromFeaturesString(const TString& featuresString);
 };
 
 struct TPool: public TVector<TInstance> {
@@ -29,7 +29,7 @@ struct TPool: public TVector<TInstance> {
         EIteratorType IteratorType;
         size_t TestFoldNumber;
 
-        TVector<size_t> InstanceFoldNumbers; 
+        TVector<size_t> InstanceFoldNumbers;
         const size_t* Current;
 
         TMersenne<ui64> RandomGenerator;
@@ -54,7 +54,7 @@ struct TPool: public TVector<TInstance> {
         bool TakeCurrent() const;
     };
 
-    void ReadFromFeatures(const TString& featuresPath); 
+    void ReadFromFeatures(const TString& featuresPath);
     TCVIterator CrossValidationIterator(const size_t foldsCount, const EIteratorType iteratorType) const;
 
     TPool InjurePool(const double injureFactir, const double injureOffset) const;
diff --git a/library/cpp/linear_regression/linear_regression.cpp b/library/cpp/linear_regression/linear_regression.cpp
index 6fc5a40178..150f9d214e 100644
--- a/library/cpp/linear_regression/linear_regression.cpp
+++ b/library/cpp/linear_regression/linear_regression.cpp
@@ -12,17 +12,17 @@
 #include <functional>
 
 namespace {
-    inline void AddFeaturesProduct(const double weight, const TVector<double>& features, TVector<double>& linearizedOLSTriangleMatrix); 
+    inline void AddFeaturesProduct(const double weight, const TVector<double>& features, TVector<double>& linearizedOLSTriangleMatrix);
 
-    TVector<double> Solve(const TVector<double>& olsMatrix, const TVector<double>& olsVector); 
+    TVector<double> Solve(const TVector<double>& olsMatrix, const TVector<double>& olsVector);
 
-    double SumSquaredErrors(const TVector<double>& olsMatrix, 
-                            const TVector<double>& olsVector, 
-                            const TVector<double>& solution, 
+    double SumSquaredErrors(const TVector<double>& olsMatrix,
+                            const TVector<double>& olsVector,
+                            const TVector<double>& solution,
                             const double goalsDeviation);
 }
 
-bool TFastLinearRegressionSolver::Add(const TVector<double>& features, const double goal, const double weight) { 
+bool TFastLinearRegressionSolver::Add(const TVector<double>& features, const double goal, const double weight) {
     const size_t featuresCount = features.size();
 
     if (LinearizedOLSMatrix.empty()) {
@@ -45,7 +45,7 @@ bool TFastLinearRegressionSolver::Add(const TVector<double>& features, const dou
     return true;
 }
 
-bool TLinearRegressionSolver::Add(const TVector<double>& features, const double goal, const double weight) { 
+bool TLinearRegressionSolver::Add(const TVector<double>& features, const double goal, const double weight) {
     const size_t featuresCount = features.size();
 
     if (FeatureMeans.empty()) {
@@ -114,7 +114,7 @@ bool TLinearRegressionSolver::Add(const TVector<double>& features, const double
 }
 
 TLinearModel TFastLinearRegressionSolver::Solve() const {
-    TVector<double> coefficients = ::Solve(LinearizedOLSMatrix, OLSVector); 
+    TVector<double> coefficients = ::Solve(LinearizedOLSMatrix, OLSVector);
     double intercept = 0.;
 
     if (!coefficients.empty()) {
@@ -126,7 +126,7 @@ TLinearModel TFastLinearRegressionSolver::Solve() const {
 }
 
 TLinearModel TLinearRegressionSolver::Solve() const {
-    TVector<double> coefficients = ::Solve(LinearizedOLSMatrix, OLSVector); 
+    TVector<double> coefficients = ::Solve(LinearizedOLSMatrix, OLSVector);
     double intercept = GoalsMean;
 
     const size_t featuresCount = OLSVector.size();
@@ -138,12 +138,12 @@ TLinearModel TLinearRegressionSolver::Solve() const {
 }
 
 double TFastLinearRegressionSolver::SumSquaredErrors() const {
-    const TVector<double> coefficients = ::Solve(LinearizedOLSMatrix, OLSVector); 
+    const TVector<double> coefficients = ::Solve(LinearizedOLSMatrix, OLSVector);
     return ::SumSquaredErrors(LinearizedOLSMatrix, OLSVector, coefficients, SumSquaredGoals.Get());
 }
 
 double TLinearRegressionSolver::SumSquaredErrors() const {
-    const TVector<double> coefficients = ::Solve(LinearizedOLSMatrix, OLSVector); 
+    const TVector<double> coefficients = ::Solve(LinearizedOLSMatrix, OLSVector);
     return ::SumSquaredErrors(LinearizedOLSMatrix, OLSVector, coefficients, GoalsDeviation);
 }
 
@@ -194,10 +194,10 @@ double TSLRSolver::SumSquaredErrors(const double regularizationParameter) const
 
 namespace {
     // LDL matrix decomposition, see http://en.wikipedia.org/wiki/Cholesky_decomposition#LDL_decomposition_2
-    bool LDLDecomposition(const TVector<double>& linearizedOLSMatrix, 
+    bool LDLDecomposition(const TVector<double>& linearizedOLSMatrix,
                           const double regularizationThreshold,
                           const double regularizationParameter,
-                          TVector<double>& decompositionTrace, 
+                          TVector<double>& decompositionTrace,
                           TVector<TVector<double>>& decompositionMatrix) {
         const size_t featuresCount = decompositionTrace.size();
 
@@ -206,7 +206,7 @@ namespace {
             double& decompositionTraceElement = decompositionTrace[rowNumber];
             decompositionTraceElement = linearizedOLSMatrix[olsMatrixElementIdx] + regularizationParameter;
 
-            TVector<double>& decompositionRow = decompositionMatrix[rowNumber]; 
+            TVector<double>& decompositionRow = decompositionMatrix[rowNumber];
             for (size_t i = 0; i < rowNumber; ++i) {
                 decompositionTraceElement -= decompositionRow[i] * decompositionRow[i] * decompositionTrace[i];
             }
@@ -218,7 +218,7 @@ namespace {
             ++olsMatrixElementIdx;
             decompositionRow[rowNumber] = 1.;
             for (size_t columnNumber = rowNumber + 1; columnNumber < featuresCount; ++columnNumber) {
-                TVector<double>& secondDecompositionRow = decompositionMatrix[columnNumber]; 
+                TVector<double>& secondDecompositionRow = decompositionMatrix[columnNumber];
                 double& decompositionMatrixElement = secondDecompositionRow[rowNumber];
 
                 decompositionMatrixElement = linearizedOLSMatrix[olsMatrixElementIdx];
@@ -237,8 +237,8 @@ namespace {
         return true;
     }
 
-    void LDLDecomposition(const TVector<double>& linearizedOLSMatrix, 
-                          TVector<double>& decompositionTrace, 
+    void LDLDecomposition(const TVector<double>& linearizedOLSMatrix,
+                          TVector<double>& decompositionTrace,
                           TVector<TVector<double>>& decompositionMatrix) {
         const double regularizationThreshold = 1e-5;
         double regularizationParameter = 0.;
@@ -253,16 +253,16 @@ namespace {
     }
 
     TVector<double> SolveLower(const TVector<TVector<double>>& decompositionMatrix,
-                               const TVector<double>& decompositionTrace, 
+                               const TVector<double>& decompositionTrace,
                                const TVector<double>& olsVector) {
         const size_t featuresCount = olsVector.size();
 
-        TVector<double> solution(featuresCount); 
+        TVector<double> solution(featuresCount);
         for (size_t featureNumber = 0; featureNumber < featuresCount; ++featureNumber) {
             double& solutionElement = solution[featureNumber];
             solutionElement = olsVector[featureNumber];
 
-            const TVector<double>& decompositionRow = decompositionMatrix[featureNumber]; 
+            const TVector<double>& decompositionRow = decompositionMatrix[featureNumber];
             for (size_t i = 0; i < featureNumber; ++i) {
                 solutionElement -= solution[i] * decompositionRow[i];
             }
@@ -279,12 +279,12 @@ namespace {
                                const TVector<double>& lowerSolution) {
         const size_t featuresCount = lowerSolution.size();
 
-        TVector<double> solution(featuresCount); 
+        TVector<double> solution(featuresCount);
         for (size_t featureNumber = featuresCount; featureNumber > 0; --featureNumber) {
             double& solutionElement = solution[featureNumber - 1];
             solutionElement = lowerSolution[featureNumber - 1];
 
-            const TVector<double>& decompositionRow = decompositionMatrix[featureNumber - 1]; 
+            const TVector<double>& decompositionRow = decompositionMatrix[featureNumber - 1];
             for (size_t i = featureNumber; i < featuresCount; ++i) {
                 solutionElement -= solution[i] * decompositionRow[i];
             }
@@ -293,10 +293,10 @@ namespace {
         return solution;
     }
 
-    TVector<double> Solve(const TVector<double>& olsMatrix, const TVector<double>& olsVector) { 
+    TVector<double> Solve(const TVector<double>& olsMatrix, const TVector<double>& olsVector) {
         const size_t featuresCount = olsVector.size();
 
-        TVector<double> decompositionTrace(featuresCount); 
+        TVector<double> decompositionTrace(featuresCount);
         TVector<TVector<double>> decompositionMatrix(featuresCount, TVector<double>(featuresCount));
 
         LDLDecomposition(olsMatrix, decompositionTrace, decompositionMatrix);
@@ -304,9 +304,9 @@ namespace {
         return SolveUpper(decompositionMatrix, SolveLower(decompositionMatrix, decompositionTrace, olsVector));
     }
 
-    double SumSquaredErrors(const TVector<double>& olsMatrix, 
-                            const TVector<double>& olsVector, 
-                            const TVector<double>& solution, 
+    double SumSquaredErrors(const TVector<double>& olsMatrix,
+                            const TVector<double>& olsVector,
+                            const TVector<double>& solution,
                             const double goalsDeviation) {
         const size_t featuresCount = olsVector.size();
 
@@ -325,7 +325,7 @@ namespace {
     }
 
 #ifdef _sse2_
-    inline void AddFeaturesProduct(const double weight, const TVector<double>& features, TVector<double>& linearizedOLSTriangleMatrix) { 
+    inline void AddFeaturesProduct(const double weight, const TVector<double>& features, TVector<double>& linearizedOLSTriangleMatrix) {
         const double* leftFeature = features.data();
         const double* featuresEnd = features.data() + features.size();
         double* matrixElement = linearizedOLSTriangleMatrix.data();
@@ -351,7 +351,7 @@ namespace {
         linearizedOLSTriangleMatrix.back() += weight;
     }
 #else
-    inline void AddFeaturesProduct(const double weight, const TVector<double>& features, TVector<double>& linearizedTriangleMatrix) { 
+    inline void AddFeaturesProduct(const double weight, const TVector<double>& features, TVector<double>& linearizedTriangleMatrix) {
         const double* leftFeature = features.data();
         const double* featuresEnd = features.data() + features.size();
         double* matrixElement = linearizedTriangleMatrix.data();
diff --git a/library/cpp/linear_regression/linear_regression.h b/library/cpp/linear_regression/linear_regression.h
index f1596fb024..e57de5ff6c 100644
--- a/library/cpp/linear_regression/linear_regression.h
+++ b/library/cpp/linear_regression/linear_regression.h
@@ -13,11 +13,11 @@ class TFastLinearRegressionSolver {
 private:
     TKahanAccumulator<double> SumSquaredGoals;
 
-    TVector<double> LinearizedOLSMatrix; 
-    TVector<double> OLSVector; 
+    TVector<double> LinearizedOLSMatrix;
+    TVector<double> OLSVector;
 
 public:
-    bool Add(const TVector<double>& features, const double goal, const double weight = 1.); 
+    bool Add(const TVector<double>& features, const double goal, const double weight = 1.);
     TLinearModel Solve() const;
     double SumSquaredErrors() const;
 };
@@ -27,17 +27,17 @@ private:
     double GoalsMean = 0.;
     double GoalsDeviation = 0.;
 
-    TVector<double> FeatureMeans; 
-    TVector<double> LastMeans; 
-    TVector<double> NewMeans; 
-    TVector<double> LinearizedOLSMatrix; 
+    TVector<double> FeatureMeans;
+    TVector<double> LastMeans;
+    TVector<double> NewMeans;
+    TVector<double> LinearizedOLSMatrix;
 
-    TVector<double> OLSVector; 
+    TVector<double> OLSVector;
 
     TKahanAccumulator<double> SumWeights;
 
 public:
-    bool Add(const TVector<double>& features, const double goal, const double weight = 1.); 
+    bool Add(const TVector<double>& features, const double goal, const double weight = 1.);
     TLinearModel Solve() const;
     double SumSquaredErrors() const;
 };
@@ -145,12 +145,12 @@ public:
     bool Add(const double* featuresBegin, const double* featuresEnd, const double* goalsBegin);
     bool Add(const double* featuresBegin, const double* featuresEnd, const double* goalsBegin, const double* weightsBegin);
 
-    bool Add(const TVector<double>& features, const TVector<double>& goals) { 
+    bool Add(const TVector<double>& features, const TVector<double>& goals) {
         Y_ASSERT(features.size() == goals.size());
         return Add(features.data(), features.data() + features.size(), goals.data());
     }
 
-    bool Add(const TVector<double>& features, const TVector<double>& goals, const TVector<double>& weights) { 
+    bool Add(const TVector<double>& features, const TVector<double>& goals, const TVector<double>& weights) {
         Y_ASSERT(features.size() == goals.size() && features.size() == weights.size());
         return Add(features.data(), features.data() + features.size(), goals.data(), weights.data());
     }
@@ -177,10 +177,10 @@ public:
 template <typename TSLRSolverType>
 class TTypedBestSLRSolver {
 private:
-    TVector<TSLRSolverType> SLRSolvers; 
+    TVector<TSLRSolverType> SLRSolvers;
 
 public:
-    bool Add(const TVector<double>& features, const double goal, const double weight = 1.) { 
+    bool Add(const TVector<double>& features, const double goal, const double weight = 1.) {
         if (SLRSolvers.empty()) {
             SLRSolvers.resize(features.size());
         }
@@ -200,7 +200,7 @@ public:
             }
         }
 
-        TVector<double> coefficients(SLRSolvers.size()); 
+        TVector<double> coefficients(SLRSolvers.size());
         double intercept = 0.0;
         if (bestSolver) {
             bestSolver->Solve(coefficients[bestSolver - SLRSolvers.begin()], intercept, regularizationParameter);
@@ -289,7 +289,7 @@ private:
     float MaximalArgument = Min<float>();
 
     ETransformationType TransformationType;
-    TVector<TPoint> Points; 
+    TVector<TPoint> Points;
 
 public:
     TFeaturesTransformerLearner(const ETransformationType transformationType)
@@ -315,7 +315,7 @@ private:
         TMeanCalculator TargetsMean;
     };
 
-    THashMap<double, TBucket> Buckets; 
+    THashMap<double, TBucket> Buckets;
     double Step;
 
 public:
diff --git a/library/cpp/linear_regression/linear_regression_ut.cpp b/library/cpp/linear_regression/linear_regression_ut.cpp
index 6915c3821d..e71a16b67a 100644
--- a/library/cpp/linear_regression/linear_regression_ut.cpp
+++ b/library/cpp/linear_regression/linear_regression_ut.cpp
@@ -15,8 +15,8 @@ namespace {
 
 Y_UNIT_TEST_SUITE(TLinearRegressionTest) {
     Y_UNIT_TEST(MeanAndDeviationTest) {
-        TVector<double> arguments; 
-        TVector<double> weights; 
+        TVector<double> arguments;
+        TVector<double> weights;
 
         const size_t argumentsCount = 100;
         for (size_t i = 0; i < argumentsCount; ++i) {
@@ -78,9 +78,9 @@ Y_UNIT_TEST_SUITE(TLinearRegressionTest) {
     }
 
     Y_UNIT_TEST(CovariationTest) {
-        TVector<double> firstValues; 
-        TVector<double> secondValues; 
-        TVector<double> weights; 
+        TVector<double> firstValues;
+        TVector<double> secondValues;
+        TVector<double> weights;
 
         const size_t argumentsCount = 100;
         for (size_t i = 0; i < argumentsCount; ++i) {
@@ -130,9 +130,9 @@ Y_UNIT_TEST_SUITE(TLinearRegressionTest) {
 
     template <typename TSLRSolverType>
     void SLRTest() {
-        TVector<double> arguments; 
-        TVector<double> weights; 
-        TVector<double> goals; 
+        TVector<double> arguments;
+        TVector<double> weights;
+        TVector<double> goals;
 
         const double factor = 2.;
         const double intercept = 105.;
@@ -194,18 +194,18 @@ Y_UNIT_TEST_SUITE(TLinearRegressionTest) {
         const size_t instancesCount = 10000;
         const double randomError = 0.01;
 
-        TVector<double> coefficients; 
+        TVector<double> coefficients;
         for (size_t featureNumber = 0; featureNumber < featuresCount; ++featureNumber) {
             coefficients.push_back(featureNumber);
         }
         const double intercept = 10;
 
         TVector<TVector<double>> featuresMatrix;
-        TVector<double> goals; 
-        TVector<double> weights; 
+        TVector<double> goals;
+        TVector<double> weights;
 
         for (size_t instanceNumber = 0; instanceNumber < instancesCount; ++instanceNumber) {
-            TVector<double> features; 
+            TVector<double> features;
             for (size_t featureNumber = 0; featureNumber < featuresCount; ++featureNumber) {
                 features.push_back(RandomNumber<double>());
             }
@@ -240,8 +240,8 @@ Y_UNIT_TEST_SUITE(TLinearRegressionTest) {
     }
 
     void TransformationTest(const ETransformationType transformationType, const size_t pointsCount) {
-        TVector<float> arguments; 
-        TVector<float> goals; 
+        TVector<float> arguments;
+        TVector<float> goals;
 
         const double regressionFactor = 10.;
         const double regressionIntercept = 100;
@@ -300,8 +300,8 @@ Y_UNIT_TEST_SUITE(TLinearRegressionTest) {
     }
 
     Y_UNIT_TEST(ResetCalculatorTest) {
-        TVector<double> arguments; 
-        TVector<double> weights; 
+        TVector<double> arguments;
+        TVector<double> weights;
         const double eps = 1e-10;
 
         const size_t argumentsCount = 100;
diff --git a/library/cpp/linear_regression/unimodal.cpp b/library/cpp/linear_regression/unimodal.cpp
index bbca9e9463..729011012a 100644
--- a/library/cpp/linear_regression/unimodal.cpp
+++ b/library/cpp/linear_regression/unimodal.cpp
@@ -22,7 +22,7 @@ namespace {
 
         double SSE = 0.;
 
-        TOptimizationState(const TVector<double>& values) { 
+        TOptimizationState(const TVector<double>& values) {
             SSE = InnerProduct(values, values);
         }
 
@@ -44,7 +44,7 @@ double TGreedyParams::Point(const size_t step) const {
     return LowerBound * (1 - alpha) + UpperBound * alpha;
 }
 
-double MakeUnimodal(TVector<double>& values, const TOptimizationParams& optimizationParams) { 
+double MakeUnimodal(TVector<double>& values, const TOptimizationParams& optimizationParams) {
     TOptimizationState state(values);
     TOptimizationState bestState = state;
 
@@ -80,19 +80,19 @@ double MakeUnimodal(TVector<double>& values, const TOptimizationParams& optimiza
     return determination;
 }
 
-double MakeUnimodal(TVector<double>& values) { 
+double MakeUnimodal(TVector<double>& values) {
     return MakeUnimodal(values, TOptimizationParams::Default(values));
 }
 
-double MakeUnimodal(TVector<double>& values, const TVector<double>& arguments, const TOptimizationParams& optimizationParams) { 
+double MakeUnimodal(TVector<double>& values, const TVector<double>& arguments, const TOptimizationParams& optimizationParams) {
     Y_ASSERT(values.size() == arguments.size());
 
-    TMap<double, double> mapping; 
+    TMap<double, double> mapping;
     for (size_t i = 0; i < values.size(); ++i) {
         mapping[arguments[i]] = values[i];
     }
 
-    TVector<double> preparedValues; 
+    TVector<double> preparedValues;
     preparedValues.reserve(mapping.size());
 
     for (auto&& argWithValue : mapping) {
@@ -113,6 +113,6 @@ double MakeUnimodal(TVector<double>& values, const TVector<double>& arguments, c
     return result;
 }
 
-double MakeUnimodal(TVector<double>& values, const TVector<double>& arguments) { 
+double MakeUnimodal(TVector<double>& values, const TVector<double>& arguments) {
     return MakeUnimodal(values, arguments, TOptimizationParams::Default(values, arguments));
 }
diff --git a/library/cpp/linear_regression/unimodal.h b/library/cpp/linear_regression/unimodal.h
index 21d6ae8782..e11b1118f6 100644
--- a/library/cpp/linear_regression/unimodal.h
+++ b/library/cpp/linear_regression/unimodal.h
@@ -21,7 +21,7 @@ struct TOptimizationParams {
 
     TOptimizationParams() = default;
 
-    static TOptimizationParams Default(const TVector<double>& values) { 
+    static TOptimizationParams Default(const TVector<double>& values) {
         TOptimizationParams optimizationParams;
 
         optimizationParams.ModeParams.LowerBound = 0;
@@ -35,7 +35,7 @@ struct TOptimizationParams {
         return optimizationParams;
     }
 
-    static TOptimizationParams Default(const TVector<double>& values, const TVector<double>& arguments) { 
+    static TOptimizationParams Default(const TVector<double>& values, const TVector<double>& arguments) {
         Y_ASSERT(values.size() == arguments.size());
 
         TOptimizationParams optimizationParams;
@@ -52,8 +52,8 @@ struct TOptimizationParams {
     }
 };
 
-double MakeUnimodal(TVector<double>& values, const TOptimizationParams& optimizationParams); 
-double MakeUnimodal(TVector<double>& values); 
+double MakeUnimodal(TVector<double>& values, const TOptimizationParams& optimizationParams);
+double MakeUnimodal(TVector<double>& values);
 
-double MakeUnimodal(TVector<double>& values, const TVector<double>& arguments, const TOptimizationParams& optimizationParams); 
-double MakeUnimodal(TVector<double>& values, const TVector<double>& arguments); 
+double MakeUnimodal(TVector<double>& values, const TVector<double>& arguments, const TOptimizationParams& optimizationParams);
+double MakeUnimodal(TVector<double>& values, const TVector<double>& arguments);
diff --git a/library/cpp/logger/backend.cpp b/library/cpp/logger/backend.cpp
index 405884960c..b26bf5e88c 100644
--- a/library/cpp/logger/backend.cpp
+++ b/library/cpp/logger/backend.cpp
@@ -7,7 +7,7 @@
 namespace {
     class TGlobalLogsStorage {
     private:
-        TVector<TLogBackend*> Backends; 
+        TVector<TLogBackend*> Backends;
         TMutex Mutex;
 
     public:
@@ -50,11 +50,11 @@ ELogPriority TLogBackend::FiltrationLevel() const {
     return LOG_MAX_PRIORITY;
 }
 
-TLogBackend::TLogBackend() noexcept { 
+TLogBackend::TLogBackend() noexcept {
     Singleton<TGlobalLogsStorage>()->Register(this);
 }
 
-TLogBackend::~TLogBackend() { 
+TLogBackend::~TLogBackend() {
     Singleton<TGlobalLogsStorage>()->UnRegister(this);
 }
 
diff --git a/library/cpp/logger/element.cpp b/library/cpp/logger/element.cpp
index 7a3ea3228f..b510fe16e1 100644
--- a/library/cpp/logger/element.cpp
+++ b/library/cpp/logger/element.cpp
@@ -17,7 +17,7 @@ TLogElement::TLogElement(const TLog* parent, ELogPriority priority)
     Reset();
 }
 
-TLogElement::~TLogElement() { 
+TLogElement::~TLogElement() {
     try {
         Finish();
     } catch (...) {
diff --git a/library/cpp/logger/element.h b/library/cpp/logger/element.h
index f5d240d1ee..fc9bff851f 100644
--- a/library/cpp/logger/element.h
+++ b/library/cpp/logger/element.h
@@ -13,10 +13,10 @@ class TLogElement: public TTempBufOutput {
 public:
     TLogElement(const TLog* parent);
     TLogElement(const TLog* parent, ELogPriority priority);
- 
+
     TLogElement(TLogElement&&) noexcept = default;
     TLogElement& operator=(TLogElement&&) noexcept = default;
- 
+
     ~TLogElement() override;
 
     template <class T>
diff --git a/library/cpp/logger/element_ut.cpp b/library/cpp/logger/element_ut.cpp
index bc6f1b4f0f..32edc52dfb 100644
--- a/library/cpp/logger/element_ut.cpp
+++ b/library/cpp/logger/element_ut.cpp
@@ -2,7 +2,7 @@
 #include "element.h"
 #include "stream.h"
 
-#include <util/generic/string.h> 
+#include <util/generic/string.h>
 #include <util/stream/str.h>
 #include <util/generic/ptr.h>
 #include <utility>
@@ -26,7 +26,7 @@ void TLogElementTest::TestMoveCtor() {
 
     THolder<TLogElement> src = MakeHolder<TLogElement>(&log);
 
-    TString message = "Hello, World!"; 
+    TString message = "Hello, World!";
     (*src) << message;
 
     THolder<TLogElement> dst = MakeHolder<TLogElement>(std::move(*src));
diff --git a/library/cpp/logger/file.cpp b/library/cpp/logger/file.cpp
index 650be581ec..15a4946eda 100644
--- a/library/cpp/logger/file.cpp
+++ b/library/cpp/logger/file.cpp
@@ -3,14 +3,14 @@
 
 #include <util/system/file.h>
 #include <util/system/rwlock.h>
-#include <util/generic/string.h> 
+#include <util/generic/string.h>
 
 /*
  * file log
  */
 class TFileLogBackend::TImpl {
 public:
-    inline TImpl(const TString& path) 
+    inline TImpl(const TString& path)
         : File_(OpenFile(path))
     {
     }
@@ -30,7 +30,7 @@ public:
     }
 
 private:
-    static inline TFile OpenFile(const TString& path) { 
+    static inline TFile OpenFile(const TString& path) {
         return TFile(path, OpenAlways | WrOnly | ForAppend | Seq | NoReuse);
     }
 
@@ -39,12 +39,12 @@ private:
     TFile File_;
 };
 
-TFileLogBackend::TFileLogBackend(const TString& path) 
+TFileLogBackend::TFileLogBackend(const TString& path)
     : Impl_(new TImpl(path))
 {
 }
 
-TFileLogBackend::~TFileLogBackend() { 
+TFileLogBackend::~TFileLogBackend() {
 }
 
 void TFileLogBackend::WriteData(const TLogRecord& rec) {
diff --git a/library/cpp/logger/file.h b/library/cpp/logger/file.h
index ce6561898f..10b4cd0c20 100644
--- a/library/cpp/logger/file.h
+++ b/library/cpp/logger/file.h
@@ -7,7 +7,7 @@
 
 class TFileLogBackend: public TLogBackend {
 public:
-    TFileLogBackend(const TString& path); 
+    TFileLogBackend(const TString& path);
     ~TFileLogBackend() override;
 
     void WriteData(const TLogRecord& rec) override;
diff --git a/library/cpp/logger/global/common.cpp b/library/cpp/logger/global/common.cpp
index 1b64867546..4fb05c19b4 100644
--- a/library/cpp/logger/global/common.cpp
+++ b/library/cpp/logger/global/common.cpp
@@ -3,7 +3,7 @@
 #include <util/generic/yexception.h>
 
 namespace NLoggingImpl {
-    TString GetLocalTimeSSimple() { 
+    TString GetLocalTimeSSimple() {
         struct tm tm;
         return Strftime("%b%d_%H%M%S", Now().LocalTime(&tm));
     }
diff --git a/library/cpp/logger/global/common.h b/library/cpp/logger/global/common.h
index 364097d1bc..7dcf650dec 100644
--- a/library/cpp/logger/global/common.h
+++ b/library/cpp/logger/global/common.h
@@ -4,7 +4,7 @@
 
 #include <util/folder/path.h>
 #include <util/generic/singleton.h>
-#include <util/generic/string.h> 
+#include <util/generic/string.h>
 #include <util/generic/ptr.h>
 #include <util/generic/yexception.h>
 #include <util/string/printf.h>
@@ -66,7 +66,7 @@ public:
 
 namespace NLoggingImpl {
 
-    TString GetLocalTimeSSimple(); 
+    TString GetLocalTimeSSimple();
 
     // Returns correct log type to use
     TString PrepareToOpenLog(TString logType, int logLevel, bool rotation, bool startAsDaemon);
diff --git a/library/cpp/logger/global/rty_formater.cpp b/library/cpp/logger/global/rty_formater.cpp
index 5721733860..305f8470c5 100644
--- a/library/cpp/logger/global/rty_formater.cpp
+++ b/library/cpp/logger/global/rty_formater.cpp
@@ -52,12 +52,12 @@ namespace NLoggingImpl {
         return string.RNextTok(LOCSLASH_C);
     }
 
-    TString GetSystemResources() { 
+    TString GetSystemResources() {
         NMemInfo::TMemInfo mi = NMemInfo::GetMemInfo();
         return PrintSystemResources(mi);
     }
 
-    TString PrintSystemResources(const NMemInfo::TMemInfo& mi) { 
+    TString PrintSystemResources(const NMemInfo::TMemInfo& mi) {
         return Sprintf(" rss=%0.3fMb, vms=%0.3fMb", mi.RSS * 1.0 / (1024 * 1024), mi.VMS * 1.0 / (1024 * 1024));
     }
 }
diff --git a/library/cpp/logger/global/rty_formater.h b/library/cpp/logger/global/rty_formater.h
index 471a050598..6532e1d769 100644
--- a/library/cpp/logger/global/rty_formater.h
+++ b/library/cpp/logger/global/rty_formater.h
@@ -40,8 +40,8 @@ namespace NLoggingImpl {
         return TLocalTimeS();
     }
 
-    TString GetSystemResources(); 
-    TString PrintSystemResources(const NMemInfo::TMemInfo& info); 
+    TString GetSystemResources();
+    TString PrintSystemResources(const NMemInfo::TMemInfo& info);
 
     struct TLoggerFormatterTraits {
         static ILoggerFormatter* CreateDefault() {
diff --git a/library/cpp/logger/log.cpp b/library/cpp/logger/log.cpp
index 2f5fc33356..e1d70cc3d2 100644
--- a/library/cpp/logger/log.cpp
+++ b/library/cpp/logger/log.cpp
@@ -8,7 +8,7 @@
 #include <util/string/cast.h>
 #include <util/stream/printf.h>
 #include <util/system/yassert.h>
-#include <util/generic/string.h> 
+#include <util/generic/string.h>
 #include <util/generic/scope.h>
 #include <util/generic/yexception.h>
 
@@ -146,7 +146,7 @@ TLog::~TLog() = default;
 TLog& TLog::operator=(const TLog&) = default;
 TLog& TLog::operator=(TLog&&) = default;
 
-bool TLog::IsOpen() const noexcept { 
+bool TLog::IsOpen() const noexcept {
     return Impl_->IsOpen();
 }
 
@@ -218,7 +218,7 @@ void TLog::ResetBackend(THolder<TLogBackend> backend) noexcept {
     Impl_->ResetBackend(std::move(backend));
 }
 
-bool TLog::IsNullLog() const noexcept { 
+bool TLog::IsNullLog() const noexcept {
     return Impl_->IsNullLog();
 }
 
diff --git a/library/cpp/logger/log_ut.cpp b/library/cpp/logger/log_ut.cpp
index a46bf5c7b3..8de46f17f5 100644
--- a/library/cpp/logger/log_ut.cpp
+++ b/library/cpp/logger/log_ut.cpp
@@ -7,7 +7,7 @@
 #include <util/system/yield.h>
 #include <util/memory/blob.h>
 #include <util/stream/file.h>
-#include <util/generic/string.h> 
+#include <util/generic/string.h>
 #include <util/generic/vector.h>
 
 class TLogTest: public TTestBase {
@@ -56,7 +56,7 @@ void TLogTest::TestFile() {
 
     TBlob data = TBlob::FromFileSingleThreaded(LOGFILE);
 
-    UNIT_ASSERT_EQUAL(TString((const char*)data.Begin(), data.Size()), "some useful data 12, 34, 3.000000, qwqwqw\n"); 
+    UNIT_ASSERT_EQUAL(TString((const char*)data.Begin(), data.Size()), "some useful data 12, 34, 3.000000, qwqwqw\n");
 }
 
 void TLogTest::TestThreaded() {
@@ -75,7 +75,7 @@ void TLogTest::TestThreaded() {
 
     TBlob data = TBlob::FromFileSingleThreaded(LOGFILE);
 
-    UNIT_ASSERT_EQUAL(TString((const char*)data.Begin(), data.Size()), "some useful data 12, 34, 3.000000, qwqwqw\n"); 
+    UNIT_ASSERT_EQUAL(TString((const char*)data.Begin(), data.Size()), "some useful data 12, 34, 3.000000, qwqwqw\n");
 }
 
 void TLogTest::TestThreadedWithOverflow() {
@@ -166,13 +166,13 @@ void TLogTest::TestFormat() {
 
 void TLogTest::TestWrite() {
     TStringStream data;
-    TString test; 
+    TString test;
 
     {
         TLog log(THolder(new TStreamLogBackend(&data)));
 
         for (size_t i = 0; i < 1000; ++i) {
-            TVector<char> buf(i, (char)i); 
+            TVector<char> buf(i, (char)i);
 
             test.append(buf.data(), buf.size());
             log.Write(buf.data(), buf.size());
diff --git a/library/cpp/logger/null.cpp b/library/cpp/logger/null.cpp
index 2ec47aed53..debb22f794 100644
--- a/library/cpp/logger/null.cpp
+++ b/library/cpp/logger/null.cpp
@@ -3,7 +3,7 @@
 TNullLogBackend::TNullLogBackend() {
 }
 
-TNullLogBackend::~TNullLogBackend() { 
+TNullLogBackend::~TNullLogBackend() {
 }
 
 void TNullLogBackend::WriteData(const TLogRecord&) {
diff --git a/library/cpp/logger/stream.cpp b/library/cpp/logger/stream.cpp
index c1bb222ff7..96787ad94b 100644
--- a/library/cpp/logger/stream.cpp
+++ b/library/cpp/logger/stream.cpp
@@ -8,7 +8,7 @@ TStreamLogBackend::TStreamLogBackend(IOutputStream* slave)
 {
 }
 
-TStreamLogBackend::~TStreamLogBackend() { 
+TStreamLogBackend::~TStreamLogBackend() {
 }
 
 void TStreamLogBackend::WriteData(const TLogRecord& rec) {
diff --git a/library/cpp/logger/system.cpp b/library/cpp/logger/system.cpp
index 0e9a647d28..42233f63d2 100644
--- a/library/cpp/logger/system.cpp
+++ b/library/cpp/logger/system.cpp
@@ -46,7 +46,7 @@ TSysLogBackend::TSysLogBackend(const char* ident, EFacility facility, int flags)
 #endif
 }
 
-TSysLogBackend::~TSysLogBackend() { 
+TSysLogBackend::~TSysLogBackend() {
 #if defined(_unix_)
     closelog();
 #endif
diff --git a/library/cpp/logger/system.h b/library/cpp/logger/system.h
index 471dee3ac1..b8c60b3023 100644
--- a/library/cpp/logger/system.h
+++ b/library/cpp/logger/system.h
@@ -39,7 +39,7 @@ public:
     void WriteData(const TLogRecord& rec) override;
     void ReopenLog() override;
 
-    virtual TString GetIdent() const { 
+    virtual TString GetIdent() const {
         return Ident;
     }
 
@@ -54,7 +54,7 @@ public:
 protected:
     int ELogPriority2SyslogPriority(ELogPriority priority);
 
-    TString Ident; 
+    TString Ident;
     EFacility Facility;
     int Flags;
 };
diff --git a/library/cpp/logger/thread.cpp b/library/cpp/logger/thread.cpp
index 7ff8f86463..0ccf9e374b 100644
--- a/library/cpp/logger/thread.cpp
+++ b/library/cpp/logger/thread.cpp
@@ -126,7 +126,7 @@ TThreadedLogBackend::TThreadedLogBackend(TLogBackend* slave, size_t queuelen, st
 {
 }
 
-TThreadedLogBackend::~TThreadedLogBackend() { 
+TThreadedLogBackend::~TThreadedLogBackend() {
 }
 
 void TThreadedLogBackend::WriteData(const TLogRecord& rec) {
diff --git a/library/cpp/lwtrace/all.h b/library/cpp/lwtrace/all.h
index df00bdb42c..d7aa57c49d 100644
--- a/library/cpp/lwtrace/all.h
+++ b/library/cpp/lwtrace/all.h
@@ -15,7 +15,7 @@
 //       #include <yweb/robot/kiwi/lwtrace/all.h>
 //       #define MY_PROVIDER(PROBE, EVENT, GROUPS, TYPES, NAMES) \   // name of your provider
 //           PROBE(MyProbe, GROUPS("MyGroup1", "MyGroup2"), TYPES(), NAMES()) \   // probe specification w/o argiments
-//           PROBE(MyAnotherProbe, GROUPS("MyGroup2"), TYPES(int, TString), NAMES("arg1", "arg2")) \   // another probe with arguments 
+//           PROBE(MyAnotherProbe, GROUPS("MyGroup2"), TYPES(int, TString), NAMES("arg1", "arg2")) \   // another probe with arguments
 //           PROBE(MyScopedProbe, GROUPS(), TYPES(ui64, int), NAMES("duration", "stage")) \   // scoped probe with argument
 //           /**/
 //       LWTRACE_DECLARE_PROVIDER(MY_PROVIDER)
diff --git a/library/cpp/lwtrace/example1/lwtrace_example1.cpp b/library/cpp/lwtrace/example1/lwtrace_example1.cpp
index c1e15572f9..6b32c405ee 100644
--- a/library/cpp/lwtrace/example1/lwtrace_example1.cpp
+++ b/library/cpp/lwtrace/example1/lwtrace_example1.cpp
@@ -26,7 +26,7 @@ long double Fact(int n) {
 void FactorialCalculator() {
     i32 n;
     Cout << "Enter a number: ";
-    TString str; 
+    TString str;
     Cin >> n;
     double factN = Fact(n);
     Cout << n << "! = " << factN << Endl << Endl;
diff --git a/library/cpp/lwtrace/example2/lwtrace_example2.cpp b/library/cpp/lwtrace/example2/lwtrace_example2.cpp
index 9a2fc7193d..7a4f7a1daf 100644
--- a/library/cpp/lwtrace/example2/lwtrace_example2.cpp
+++ b/library/cpp/lwtrace/example2/lwtrace_example2.cpp
@@ -20,7 +20,7 @@ THolder<NLWTrace::TManager> traceManager;
 
 struct TConfig {
     bool UnsafeLWTrace;
-    TString TraceRequestPath; 
+    TString TraceRequestPath;
 };
 
 void InitLWTrace(TConfig& cfg) {
@@ -28,7 +28,7 @@ void InitLWTrace(TConfig& cfg) {
 }
 
 void AddLWTraceRequest(TConfig& cfg) {
-    TString queryStr = TUnbufferedFileInput(cfg.TraceRequestPath).ReadAll(); 
+    TString queryStr = TUnbufferedFileInput(cfg.TraceRequestPath).ReadAll();
     NLWTrace::TQuery query;
     google::protobuf::TextFormat::ParseFromString(queryStr, &query);
     traceManager->New("TraceRequest1", query);
@@ -42,7 +42,7 @@ public:
             Cout << " time=" << item.Timestamp;
         }
         if (item.SavedParamsCount > 0) {
-            TString paramValues[LWTRACE_MAX_PARAMS]; 
+            TString paramValues[LWTRACE_MAX_PARAMS];
             item.Probe->Event.Signature.SerializeParams(item.Params, paramValues);
             Cout << " params: ";
             for (size_t i = 0; i < item.SavedParamsCount; ++i) {
@@ -78,7 +78,7 @@ void FactorialCalculator() {
 
     i32 n;
     Cout << "Enter a number: ";
-    TString str; 
+    TString str;
     Cin >> n;
 
     GLOBAL_LWPROBE(LWTRACE_EXAMPLE_PROVIDER, AfterInputProbe, n);
diff --git a/library/cpp/lwtrace/example3/lwtrace_example3.cpp b/library/cpp/lwtrace/example3/lwtrace_example3.cpp
index 8556cc484f..4493dc0077 100644
--- a/library/cpp/lwtrace/example3/lwtrace_example3.cpp
+++ b/library/cpp/lwtrace/example3/lwtrace_example3.cpp
@@ -30,7 +30,7 @@ long double Fact(int n) {
 void FactorialCalculator() {
     i32 n;
     Cout << "Enter a number: ";
-    TString str; 
+    TString str;
     Cin >> n;
     double factN = Fact(n);
     Cout << n << "! = " << factN << Endl << Endl;
diff --git a/library/cpp/lwtrace/example3/my_action.h b/library/cpp/lwtrace/example3/my_action.h
index 0068774484..9a04293ba2 100644
--- a/library/cpp/lwtrace/example3/my_action.h
+++ b/library/cpp/lwtrace/example3/my_action.h
@@ -8,7 +8,7 @@
 class TMyFile: public NLWTrace::IResource {
 private:
     TMutex Mutex;
-    THolder<TUnbufferedFileOutput> File; 
+    THolder<TUnbufferedFileOutput> File;
 
 public:
     // Note that this class must have default ctor (it's declared here just for clearness)
@@ -27,7 +27,7 @@ public:
             // if the same file was specified in Opts
             return;
         }
-        File.Reset(new TUnbufferedFileOutput(path)); 
+        File.Reset(new TUnbufferedFileOutput(path));
     }
 
     // Outputs a line to opened file
@@ -63,7 +63,7 @@ public:
 private:
     virtual bool DoExecute(NLWTrace::TOrbit&, const NLWTrace::TParams& params) {
         // Serialize param values to strings
-        TString paramValues[LWTRACE_MAX_PARAMS]; 
+        TString paramValues[LWTRACE_MAX_PARAMS];
         Probe->Event.Signature.SerializeParams(params, paramValues);
 
         // Generate output line
diff --git a/library/cpp/lwtrace/example4/lwtrace_example4.cpp b/library/cpp/lwtrace/example4/lwtrace_example4.cpp
index 4c1088d26b..7b55a07c75 100644
--- a/library/cpp/lwtrace/example4/lwtrace_example4.cpp
+++ b/library/cpp/lwtrace/example4/lwtrace_example4.cpp
@@ -34,7 +34,7 @@ void FactorialCalculator() {
     MY_BACKTRACK();
     i32 n;
     Cout << "Enter a number: ";
-    TString str; 
+    TString str;
     Cin >> n;
     double factN = Fact(n);
     Cout << n << "! = " << factN << Endl << Endl;
diff --git a/library/cpp/lwtrace/mon/analytics/csv_output.h b/library/cpp/lwtrace/mon/analytics/csv_output.h
index 47e0805e1e..90ded32f5d 100644
--- a/library/cpp/lwtrace/mon/analytics/csv_output.h
+++ b/library/cpp/lwtrace/mon/analytics/csv_output.h
@@ -7,9 +7,9 @@
 
 namespace NAnalytics {
 
-inline TString ToCsv(const TTable& in, TString sep = TString("\t"), bool head = true) 
+inline TString ToCsv(const TTable& in, TString sep = TString("\t"), bool head = true)
 {
-    TSet<TString> cols; 
+    TSet<TString> cols;
     bool hasName = false;
     for (const TRow& row : in) {
         hasName = hasName || !row.Name.empty();
@@ -22,11 +22,11 @@ inline TString ToCsv(const TTable& in, TString sep = TString("\t"), bool head =
     if (head) {
         bool first = true;
         if (hasName) {
-            ss << (first? TString(): sep) << "Name"; 
+            ss << (first? TString(): sep) << "Name";
             first = false;
         }
-        for (const TString& c : cols) { 
-            ss << (first? TString(): sep) << c; 
+        for (const TString& c : cols) {
+            ss << (first? TString(): sep) << c;
             first = false;
         }
         ss << Endl;
@@ -35,11 +35,11 @@ inline TString ToCsv(const TTable& in, TString sep = TString("\t"), bool head =
     for (const TRow& row : in) {
         bool first = true;
         if (hasName) {
-            ss << (first? TString(): sep) << row.Name; 
+            ss << (first? TString(): sep) << row.Name;
             first = false;
         }
-        for (const TString& c : cols) { 
-            ss << (first? TString(): sep); 
+        for (const TString& c : cols) {
+            ss << (first? TString(): sep);
             first = false;
             TString value;
             ss << (row.GetAsString(c, value) ? value : TString("-"));
diff --git a/library/cpp/lwtrace/mon/analytics/data.h b/library/cpp/lwtrace/mon/analytics/data.h
index fe635d4209..4b643fe20b 100644
--- a/library/cpp/lwtrace/mon/analytics/data.h
+++ b/library/cpp/lwtrace/mon/analytics/data.h
@@ -1,8 +1,8 @@
 #pragma once
 
-#include <util/generic/string.h> 
+#include <util/generic/string.h>
 #include <util/generic/hash.h>
-#include <util/generic/vector.h> 
+#include <util/generic/vector.h>
 #include <util/string/builder.h>
 #include <util/string/cast.h>
 
@@ -21,7 +21,7 @@ TString ToString(const TRowValue& val) {
 }
 
 struct TRow : public THashMap<TString, TRowValue> {
-    TString Name; 
+    TString Name;
 
     template<typename T>
     bool Get(const TString& name, T& value) const {
@@ -57,18 +57,18 @@ struct TRow : public THashMap<TString, TRowValue> {
     }
 };
 
-using TAttributes = THashMap<TString, TString>; 
+using TAttributes = THashMap<TString, TString>;
 
-struct TTable : public TVector<TRow> { 
+struct TTable : public TVector<TRow> {
     TAttributes Attributes;
 };
 
-struct TMatrix : public TVector<double> { 
+struct TMatrix : public TVector<double> {
     size_t Rows;
     size_t Cols;
 
     explicit TMatrix(size_t rows = 0, size_t cols = 0)
-        : TVector<double>(rows * cols) 
+        : TVector<double>(rows * cols)
         , Rows(rows)
         , Cols(cols)
     {}
diff --git a/library/cpp/lwtrace/mon/analytics/html_output.h b/library/cpp/lwtrace/mon/analytics/html_output.h
index 3b63a1ce5f..f775f216b9 100644
--- a/library/cpp/lwtrace/mon/analytics/html_output.h
+++ b/library/cpp/lwtrace/mon/analytics/html_output.h
@@ -7,9 +7,9 @@
 
 namespace NAnalytics {
 
-inline TString ToHtml(const TTable& in) 
+inline TString ToHtml(const TTable& in)
 {
-    TSet<TString> cols; 
+    TSet<TString> cols;
     bool hasName = false;
     for (const TRow& row : in) {
         hasName = hasName || !row.Name.empty();
@@ -24,7 +24,7 @@ inline TString ToHtml(const TTable& in)
     if (hasName) {
         ss << "<th>Name</th>";
     }
-    for (const TString& c : cols) { 
+    for (const TString& c : cols) {
         ss << "<th>" << c << "</th>";
     }
     ss << "</tr></thead><tbody>";
@@ -34,7 +34,7 @@ inline TString ToHtml(const TTable& in)
         if (hasName) {
             ss << "<th>" << row.Name << "</th>";
         }
-        for (const TString& c : cols) { 
+        for (const TString& c : cols) {
             TString value;
             ss << "<td>" << (row.GetAsString(c, value) ? value : TString("-")) << "</td>";
         }
@@ -45,9 +45,9 @@ inline TString ToHtml(const TTable& in)
     return ss.Str();
 }
 
-inline TString ToTransposedHtml(const TTable& in) 
+inline TString ToTransposedHtml(const TTable& in)
 {
-    TSet<TString> cols; 
+    TSet<TString> cols;
     bool hasName = false;
     for (const TRow& row : in) {
         hasName = hasName || !row.Name.empty();
@@ -69,7 +69,7 @@ inline TString ToTransposedHtml(const TTable& in)
 
     ss << "</thead><tbody>";
 
-    for (const TString& c : cols) { 
+    for (const TString& c : cols) {
         ss << "<tr>";
         ss << "<th>" << c << "</th>";
         for (const TRow& row : in) {
diff --git a/library/cpp/lwtrace/mon/analytics/json_output.h b/library/cpp/lwtrace/mon/analytics/json_output.h
index b03392e162..189f9802d3 100644
--- a/library/cpp/lwtrace/mon/analytics/json_output.h
+++ b/library/cpp/lwtrace/mon/analytics/json_output.h
@@ -10,26 +10,26 @@
 
 namespace NAnalytics {
 
-inline TString ToJsonFlot(const TTable& in, const TString& xno, const TVector<TString>& ynos, const TString& opts = TString()) 
+inline TString ToJsonFlot(const TTable& in, const TString& xno, const TVector<TString>& ynos, const TString& opts = TString())
 {
     TStringStream ss;
     ss << "[ ";
     bool first = true;
 
-    TString xn; 
-    THashSet<TString> xopts; 
+    TString xn;
+    THashSet<TString> xopts;
     ParseNameAndOpts(xno, xn, xopts);
     bool xstack = xopts.contains("stack");
 
-    for (const TString& yno : ynos) { 
-        TString yn; 
-        THashSet<TString> yopts; 
+    for (const TString& yno : ynos) {
+        TString yn;
+        THashSet<TString> yopts;
         ParseNameAndOpts(yno, yn, yopts);
         bool ystackOpt = yopts.contains("stack");
 
         ss << (first? "": ",\n  ") <<  "{ " << opts << (opts? ", ": "") << "\"label\": \"" << yn << "\", \"data\": [ ";
         bool first2 = true;
-        using TPt = std::tuple<double, double, TString>; 
+        using TPt = std::tuple<double, double, TString>;
         std::vector<TPt> pts;
         for (const TRow& row : in) {
             double x, y;
diff --git a/library/cpp/lwtrace/mon/analytics/transform.h b/library/cpp/lwtrace/mon/analytics/transform.h
index 60f7aac379..f7dc9adb5b 100644
--- a/library/cpp/lwtrace/mon/analytics/transform.h
+++ b/library/cpp/lwtrace/mon/analytics/transform.h
@@ -6,14 +6,14 @@ namespace NAnalytics {
 
 template <class TSkip, class TX, class TY>
 inline TTable Histogram(const TTable& in, TSkip skip,
-                 const TString& xn_out, TX x_in, 
-                 const TString& yn_out, TY y_in, 
+                 const TString& xn_out, TX x_in,
+                 const TString& yn_out, TY y_in,
                  double x1, double x2, double dx)
 {
     long buckets = (x2 - x1) / dx;
     TTable out;
-    TString yn_sum = yn_out + "_sum"; 
-    TString yn_share = yn_out + "_share"; 
+    TString yn_sum = yn_out + "_sum";
+    TString yn_share = yn_out + "_share";
     double ysum = 0.0;
     out.resize(buckets);
     for (size_t i = 0; i < out.size(); i++) {
@@ -46,14 +46,14 @@ inline TTable Histogram(const TTable& in, TSkip skip,
     return out;
 }
 
-inline TTable HistogramAll(const TTable& in, const TString& xn, double x1, double x2, double dx) 
+inline TTable HistogramAll(const TTable& in, const TString& xn, double x1, double x2, double dx)
 {
     long buckets = (dx == 0.0? 1: (x2 - x1) / dx);
     TTable out;
-    THashMap<TString, double> colSum; 
+    THashMap<TString, double> colSum;
     out.resize(buckets);
 
-    TSet<TString> cols; 
+    TSet<TString> cols;
     for (auto& row : in) {
         for (auto& kv : row) {
             cols.insert(kv.first);
@@ -62,7 +62,7 @@ inline TTable HistogramAll(const TTable& in, const TString& xn, double x1, doubl
     cols.insert("_count");
     cols.erase(xn);
 
-    for (const TString& col : cols) { 
+    for (const TString& col : cols) {
         colSum[col] = 0.0;
     }
 
@@ -72,7 +72,7 @@ inline TTable HistogramAll(const TTable& in, const TString& xn, double x1, doubl
         TRow& row = out[i];
         row.Name = "[" + ToString(lb) + ";" + ToString(ub) + (ub==x2? "]": ")");
         row[xn] = (lb + ub) / 2;
-        for (const TString& col : cols) { 
+        for (const TString& col : cols) {
             row[col + "_sum"] = 0.0;
         }
     }
@@ -86,7 +86,7 @@ inline TTable HistogramAll(const TTable& in, const TString& xn, double x1, doubl
             i--;
         }
         for (const auto& kv : row_in) {
-            const TString& yn = kv.first; 
+            const TString& yn = kv.first;
             if (yn == xn) {
                 continue;
             }
@@ -116,7 +116,7 @@ inline TTable HistogramAll(const TTable& in, const TString& xn, double x1, doubl
         }
     }
     for (TRow& row : out) {
-        for (const TString& col : cols) { 
+        for (const TString& col : cols) {
             double ysum = colSum[col];
             if (col != "_count") {
                 if (row.GetOrDefault(col + "_cnt") != 0.0) {
@@ -133,7 +133,7 @@ inline TTable HistogramAll(const TTable& in, const TString& xn, double x1, doubl
 
 inline TMatrix CovarianceMatrix(const TTable& in)
 {
-    TSet<TString> cols; 
+    TSet<TString> cols;
     for (auto& row : in) {
         for (auto& kv : row) {
             cols.insert(kv.first);
@@ -147,7 +147,7 @@ inline TMatrix CovarianceMatrix(const TTable& in)
         double Mean = 0;
     };
 
-    THashMap<TString, TAggregate> colAggr; 
+    THashMap<TString, TAggregate> colAggr;
 
     size_t colCount = 0;
     for (const TString& col : cols) {
diff --git a/library/cpp/lwtrace/mon/analytics/util.h b/library/cpp/lwtrace/mon/analytics/util.h
index e4b067f8a9..e07d06cc43 100644
--- a/library/cpp/lwtrace/mon/analytics/util.h
+++ b/library/cpp/lwtrace/mon/analytics/util.h
@@ -13,7 +13,7 @@ inline double Finitize(double x, double notFiniteValue = 0.0)
     return isfinite(x)? x: notFiniteValue;
 }
 
-inline void ParseNameAndOpts(const TString& nameAndOpts, TString& name, THashSet<TString>& opts) 
+inline void ParseNameAndOpts(const TString& nameAndOpts, TString& name, THashSet<TString>& opts)
 {
     name.clear();
     opts.clear();
@@ -29,18 +29,18 @@ inline void ParseNameAndOpts(const TString& nameAndOpts, TString& name, THashSet
     }
 }
 
-inline TString ParseName(const TString& nameAndOpts) 
+inline TString ParseName(const TString& nameAndOpts)
 {
     auto vs = SplitString(nameAndOpts, "-");
     if (vs.empty()) {
-        return TString(); 
+        return TString();
     } else {
         return vs[0];
     }
 }
 
 template <class R, class T>
-inline R AccumulateIfExist(const TString& name, const TTable& table, R r, T t) 
+inline R AccumulateIfExist(const TString& name, const TTable& table, R r, T t)
 {
     ForEach(table.begin(), table.end(), [=,&r] (const TRow& row) {
         double value;
@@ -51,10 +51,10 @@ inline R AccumulateIfExist(const TString& name, const TTable& table, R r, T t)
     return r;
 }
 
-inline double MinValue(const TString& nameAndOpts, const TTable& table) 
+inline double MinValue(const TString& nameAndOpts, const TTable& table)
 {
-    TString name; 
-    THashSet<TString> opts; 
+    TString name;
+    THashSet<TString> opts;
     ParseNameAndOpts(nameAndOpts, name, opts);
     bool stack = opts.contains("stack");
     if (stack) {
@@ -68,10 +68,10 @@ inline double MinValue(const TString& nameAndOpts, const TTable& table)
     }
 }
 
-inline double MaxValue(const TString& nameAndOpts, const TTable& table) 
+inline double MaxValue(const TString& nameAndOpts, const TTable& table)
 {
-    TString name; 
-    THashSet<TString> opts; 
+    TString name;
+    THashSet<TString> opts;
     ParseNameAndOpts(nameAndOpts, name, opts);
     bool stack = opts.contains("stack");
     if (stack) {
@@ -88,14 +88,14 @@ inline double MaxValue(const TString& nameAndOpts, const TTable& table)
 }
 
 template <class T>
-inline void Map(TTable& table, const TString& rname, T t) 
+inline void Map(TTable& table, const TString& rname, T t)
 {
     ForEach(table.begin(), table.end(), [=] (TRow& row) {
         row[rname] = t(row);
     });
 }
 
-inline std::function<bool(const TRow&)> HasNoValueFor(TString name) 
+inline std::function<bool(const TRow&)> HasNoValueFor(TString name)
 {
     return [=] (const TRow& row) -> bool {
         double value;
@@ -104,7 +104,7 @@ inline std::function<bool(const TRow&)> HasNoValueFor(TString name)
 }
 
 
-inline std::function<double(const TRow&)> GetValueFor(TString name, double defVal = 0.0) 
+inline std::function<double(const TRow&)> GetValueFor(TString name, double defVal = 0.0)
 {
     return [=] (const TRow& row) -> double {
         double value;
diff --git a/library/cpp/lwtrace/mon/mon_lwtrace.cpp b/library/cpp/lwtrace/mon/mon_lwtrace.cpp
index 4a61498b76..a61ee9ce22 100644
--- a/library/cpp/lwtrace/mon/mon_lwtrace.cpp
+++ b/library/cpp/lwtrace/mon/mon_lwtrace.cpp
@@ -55,7 +55,7 @@ struct TTrackLogRefs {
         operator const NLWTrace::TLogItem&() const { return *Ptr; }
     };
 
-    using TItems = TVector<TItem>; 
+    using TItems = TVector<TItem>;
     TItems Items;
 
     TTrackLogRefs() {}
@@ -278,10 +278,10 @@ private:
         }
     };
 
-    TString Text; 
-    TString Provider; 
-    TString Probe; 
-    TString ParamName; 
+    TString Text;
+    TString Provider;
+    TString Probe;
+    TString ParamName;
     ESpecialParam SpecialParam = NotSpecial;
     i64 Index = 0;
     double TimeUnitSec = 1.0;
@@ -292,7 +292,7 @@ private:
 public:
     TLogQuery() {}
 
-    explicit TLogQuery(const TString& text) 
+    explicit TLogQuery(const TString& text)
         : Text(text)
     {
         try {
@@ -350,7 +350,7 @@ private:
         return NLWTrace::TTypedParam(sec / TimeUnitSec);
     }
 
-    void ParseQuery(const TString& s) 
+    void ParseQuery(const TString& s)
     {
         auto parts = SplitString(s, ".");
         WWW_CHECK(parts.size() <= 3, "too many name specifiers");
@@ -363,26 +363,26 @@ private:
         }
     }
 
-    void ParseParamSelector(const TString& s) 
+    void ParseParamSelector(const TString& s)
     {
         size_t bracket = s.find('[');
-        if (bracket == TString::npos) { 
+        if (bracket == TString::npos) {
             ParseParamName(s);
             Index = 0;
         } else {
             ParseParamName(s.substr(0, bracket));
             size_t bracket2 = s.find(']', bracket);
-            WWW_CHECK(bracket2 != TString::npos, "closing braket ']' is missing"); 
+            WWW_CHECK(bracket2 != TString::npos, "closing braket ']' is missing");
             Index = FromString<i64>(s.substr(bracket + 1, bracket2 - bracket - 1));
         }
     }
 
-    void ParseParamName(const TString& s) 
+    void ParseParamName(const TString& s)
     {
         ParamName = s;
-        TString paramName = s; 
+        TString paramName = s;
 
-        const static TVector<std::pair<TString, ESpecialParam>> specials = { 
+        const static TVector<std::pair<TString, ESpecialParam>> specials = {
             { "_track", TrackDuration },
             { "_begin", TrackBeginTime },
             { "_end", TrackEndTime },
@@ -405,7 +405,7 @@ private:
             return;
         }
 
-        const static TVector<std::pair<TString, double>> timeUnits = { 
+        const static TVector<std::pair<TString, double>> timeUnits = {
             { "Ms", 1e-3 },
             { "Us", 1e-6 },
             { "Ns", 1e-9 },
@@ -428,7 +428,7 @@ private:
                 SpecialParam == TrackEndTime)
         {
             // Parse time zero for special instant params
-            const TVector<std::pair<TString, i64>> timeZeros = { 
+            const TVector<std::pair<TString, i64>> timeZeros = {
                 { "RTime", RTimeZeroTs },
                 { "NTime", NTimeZeroTs },
                 { "Time", 0ll }
@@ -447,23 +447,23 @@ private:
         WWW_CHECK(paramName.empty(), "wrong special param name: %s", s.data());
     }
 
-    void ParseProbeSelector(const TString& s) 
+    void ParseProbeSelector(const TString& s)
     {
         Probe = s;
     }
 
-    void ParseProviderSelector(const TString& s) 
+    void ParseProviderSelector(const TString& s)
     {
         Provider = s;
     }
 };
 
-using TVariants = TVector<std::pair<TString, TString>>; 
-using TTags = TSet<TString>; 
+using TVariants = TVector<std::pair<TString, TString>>;
+using TTags = TSet<TString>;
 
-TString GetProbeName(const NLWTrace::TProbe* probe, const char* sep = ".") 
+TString GetProbeName(const NLWTrace::TProbe* probe, const char* sep = ".")
 {
-    return TString(probe->Event.GetProvider()) + sep + probe->Event.Name; 
+    return TString(probe->Event.GetProvider()) + sep + probe->Event.Name;
 }
 
 struct TAdHocTraceConfig {
@@ -485,7 +485,7 @@ struct TAdHocTraceConfig {
         }
     }
 
-    TAdHocTraceConfig(const TString& provider, const TString& probe, ui16 logSize = 0, ui64 logDurationUs = 0, bool logShuttle = false) 
+    TAdHocTraceConfig(const TString& provider, const TString& probe, ui16 logSize = 0, ui64 logDurationUs = 0, bool logShuttle = false)
         : TAdHocTraceConfig(logSize, logDurationUs, logShuttle)
     {
         auto block = Cfg.MutableBlocks(0);
@@ -494,7 +494,7 @@ struct TAdHocTraceConfig {
         pdesc->SetName(probe);
     }
 
-    explicit TAdHocTraceConfig(const TString& group, ui16 logSize = 0, ui64 logDurationUs = 0, bool logShuttle = false) 
+    explicit TAdHocTraceConfig(const TString& group, ui16 logSize = 0, ui64 logDurationUs = 0, bool logShuttle = false)
         : TAdHocTraceConfig(logSize, logDurationUs, logShuttle)
     {
         auto block = Cfg.MutableBlocks(0);
@@ -502,7 +502,7 @@ struct TAdHocTraceConfig {
         pdesc->SetGroup(group);
     }
 
-    TString Id() const 
+    TString Id() const
     {
         TStringStream ss;
         for (size_t blockIdx = 0; blockIdx < Cfg.BlocksSize(); blockIdx++) {
@@ -572,7 +572,7 @@ struct TAdHocTraceConfig {
         return Cfg;
     }
 
-    bool ParseId(const TString& id) 
+    bool ParseId(const TString& id)
     {
         if (IsAdHocId(id)) {
             for (const TString& block : SplitString(id, "/")) {
@@ -592,7 +592,7 @@ struct TAdHocTraceConfig {
                 }
                 bool defaultAction = true;
                 for (auto i = parts.begin() + 2, e = parts.end(); i != e; ++i) {
-                    const TString& part = *i; 
+                    const TString& part = *i;
                     if (part.empty()) {
                         continue;
                     }
@@ -614,12 +614,12 @@ struct TAdHocTraceConfig {
         return false;
     }
 private:
-    static bool IsAdHocId(const TString& id) 
+    static bool IsAdHocId(const TString& id)
     {
         return !id.empty() && id[0] == '.';
     }
 
-    void ParsePredicate(NLWTrace::TOperator* op, const TString& p) 
+    void ParsePredicate(NLWTrace::TOperator* op, const TString& p)
     {
         size_t sign = p.find_first_of("=!><");
         WWW_CHECK(sign != TString::npos, "wrong predicate format in adhoc trace: %s", p.data());
@@ -661,7 +661,7 @@ private:
         op->AddArgument()->SetValue(p.substr(value));
     }
 
-    void ParseAction(NLWTrace::TAction* action, const TString& a) 
+    void ParseAction(NLWTrace::TAction* action, const TString& a)
     {
         // NOTE: checks for longer action names should go first, your captain.
         if (a.substr(0, 3) == "lsr") {
@@ -704,7 +704,7 @@ private:
         }
     }
 
-    static ui64 ParseDuration(const TString& s) 
+    static ui64 ParseDuration(const TString& s)
     {
         if (s.substr(s.length() - 2) == "us")
             return FromString<ui64>(s.substr(0, s.length() - 2));
@@ -727,7 +727,7 @@ private:
 
     TMutex Mtx;
     TCondVar WakeCondVar;
-    THashMap<TString, TInstant> Deadlines; 
+    THashMap<TString, TInstant> Deadlines;
     volatile bool ThreadIsRunning = false;
     THolder<TThread> Thread;
 public:
@@ -743,7 +743,7 @@ public:
     }
 
     // Returns deadline for specified trace id or zero
-    TInstant GetDeadline(const TString& id) const 
+    TInstant GetDeadline(const TString& id) const
     {
         TGuard<TMutex> g(Mtx);
         auto iter = Deadlines.find(id);
@@ -751,7 +751,7 @@ public:
     }
 
     // Postpone deletion of specified trace for specified timeout
-    void Postpone(const TString& id, TDuration timeout, bool allowLowering) 
+    void Postpone(const TString& id, TDuration timeout, bool allowLowering)
     {
         TGuard<TMutex> g(Mtx);
         TInstant newDeadline = TInstant::Now() + timeout;
@@ -770,7 +770,7 @@ public:
     }
 
     // Forget about specified trace deletion
-    void Forget(const TString& id) 
+    void Forget(const TString& id)
     {
         TGuard<TMutex> g(Mtx);
         Deadlines.erase(id);
@@ -786,7 +786,7 @@ private:
             TInstant now = TInstant::Now();
             TInstant nextDeadline = TInstant::Max();
             for (auto i = Deadlines.begin(), e = Deadlines.end(); i != e;) {
-                const TString& id = i->first; 
+                const TString& id = i->first;
                 TInstant deadline = i->second;
                 if (deadline < now) {
                     try {
@@ -814,7 +814,7 @@ private:
 
     static void* ThreadProc(void* _this)
     {
-        TString name = "LWTraceCleaner"; 
+        TString name = "LWTraceCleaner";
         // Copy-pasted from kikimr/core/util/thread.h
 #if defined(_linux_)
         TStringStream linuxName;
@@ -830,18 +830,18 @@ private:
 
 class TChromeTrace {
 private:
-    TMultiMap<double, TString> TraceEvents; 
-    THashMap<TThread::TId, TString> Tids; 
+    TMultiMap<double, TString> TraceEvents;
+    THashMap<TThread::TId, TString> Tids;
 public:
-    void Add(TThread::TId tid, ui64 tsCycles, const TString& ph, const TString& cat, 
+    void Add(TThread::TId tid, ui64 tsCycles, const TString& ph, const TString& cat,
              const NLWTrace::TLogItem* argsItem = nullptr,
-             const TString& name = TString(), const TString& id = TString()) 
+             const TString& name = TString(), const TString& id = TString())
     {
         auto tidIter = Tids.find(tid);
         if (tidIter == Tids.end()) {
             tidIter = Tids.emplace(tid, ToString(Tids.size() + 1)).first;
         }
-        const TString& shortId = tidIter->second; 
+        const TString& shortId = tidIter->second;
         double ts = Timestamp(tsCycles);
         TraceEvents.emplace(ts, Event(shortId, ts, ph, cat, argsItem, name, id));
     }
@@ -861,9 +861,9 @@ public:
     }
 
 private:
-    static TString Event(const TString& tid, double ts, const TString& ph, const TString& cat, 
+    static TString Event(const TString& tid, double ts, const TString& ph, const TString& cat,
                         const NLWTrace::TLogItem* argsItem,
-                        const TString& name, const TString& id) 
+                        const TString& name, const TString& id)
     {
         TStringStream ss;
         pid_t pid = 1;
@@ -880,14 +880,14 @@ private:
         }
         if (argsItem && argsItem->SavedParamsCount > 0) {
             ss << ",\"args\":{";
-            TString paramValues[LWTRACE_MAX_PARAMS]; 
+            TString paramValues[LWTRACE_MAX_PARAMS];
             argsItem->Probe->Event.Signature.SerializeParams(argsItem->Params, paramValues);
             bool first = true;
             for (size_t pi = 0; pi < argsItem->SavedParamsCount; pi++, first = false) {
                 if (!first) {
                     ss << ",";
                 }
-                ss << "\"" << TString(argsItem->Probe->Event.Signature.ParamNames[pi]) << "\":" 
+                ss << "\"" << TString(argsItem->Probe->Event.Signature.ParamNames[pi]) << "\":"
                       "\"" << paramValues[pi] << "\"";
             }
             ss << "}";
@@ -919,7 +919,7 @@ TString MakeUrl(const TCgiParameters& e, const THashMap<TString, TString>& value
     return ss.Str();
 }
 
-TString MakeUrl(const TCgiParameters& e, const TString& key, const TString& value, bool keep = false) 
+TString MakeUrl(const TCgiParameters& e, const TString& key, const TString& value, bool keep = false)
 {
     TStringStream ss;
     bool first = true;
@@ -933,7 +933,7 @@ TString MakeUrl(const TCgiParameters& e, const TString& key, const TString& valu
     return ss.Str();
 }
 
-TString MakeUrlAdd(const TCgiParameters& e, const TString& key, const TString& value) 
+TString MakeUrlAdd(const TCgiParameters& e, const TString& key, const TString& value)
 {
     TStringStream ss;
     bool first = true;
@@ -945,7 +945,7 @@ TString MakeUrlAdd(const TCgiParameters& e, const TString& key, const TString& v
     return ss.Str();
 }
 
-TString MakeUrlReplace(const TCgiParameters& e, const TString& key, const TString& oldValue, const TString& newValue) 
+TString MakeUrlReplace(const TCgiParameters& e, const TString& key, const TString& oldValue, const TString& newValue)
 {
     TStringStream ss;
     bool first = true;
@@ -968,7 +968,7 @@ TString MakeUrlReplace(const TCgiParameters& e, const TString& key, const TStrin
     return ss.Str();
 }
 
-TString MakeUrlErase(const TCgiParameters& e, const TString& key, const TString& value) 
+TString MakeUrlErase(const TCgiParameters& e, const TString& key, const TString& value)
 {
     TStringStream ss;
     bool first = true;
@@ -981,9 +981,9 @@ TString MakeUrlErase(const TCgiParameters& e, const TString& key, const TString&
     return ss.Str();
 }
 
-TString EscapeSubvalue(const TString& s) 
+TString EscapeSubvalue(const TString& s)
 {
-    TString ret; 
+    TString ret;
     ret.reserve(s.size());
     for (size_t i = 0; i < s.size(); i++) {
         char c = s[i];
@@ -998,9 +998,9 @@ TString EscapeSubvalue(const TString& s)
     return ret;
 }
 
-TString UnescapeSubvalue(const TString& s) 
+TString UnescapeSubvalue(const TString& s)
 {
-    TString ret; 
+    TString ret;
     ret.reserve(s.size());
     for (size_t i = 0; i < s.size(); i++) {
         char c = s[i];
@@ -1021,12 +1021,12 @@ TString UnescapeSubvalue(const TString& s)
     return ret;
 }
 
-TVector<TString> Subvalues(const TCgiParameters& e, const TString& key) 
+TVector<TString> Subvalues(const TCgiParameters& e, const TString& key)
 {
     if (!e.Has(key)) {
-        return TVector<TString>(); 
+        return TVector<TString>();
     } else {
-        TVector<TString> ret; 
+        TVector<TString> ret;
         for (const TString& s : SplitString(e.Get(key), ":", 0, KEEP_EMPTY_TOKENS)) {
             ret.push_back(UnescapeSubvalue(s));
         }
@@ -1037,44 +1037,44 @@ TVector<TString> Subvalues(const TCgiParameters& e, const TString& key)
     }
 }
 
-TString ParseTagsOut(const TString& taggedStr, TTags& tags) 
+TString ParseTagsOut(const TString& taggedStr, TTags& tags)
 {
     auto vec = SplitString(taggedStr, "-");
     if (vec.empty()) {
         return "";
     }
     auto iter = vec.begin();
-    TString value = *iter++; 
+    TString value = *iter++;
     for (;iter != vec.end(); ++iter) {
         tags.insert(*iter);
     }
     return value;
 }
 
-TString JoinTags(TTags tags) { 
-    return JoinStrings(TVector<TString>(tags.begin(), tags.end()), "-"); 
+TString JoinTags(TTags tags) {
+    return JoinStrings(TVector<TString>(tags.begin(), tags.end()), "-");
 }
 
-TString MakeValue(const TVector<TString>& subvalues) 
+TString MakeValue(const TVector<TString>& subvalues)
 {
-    TVector<TString> subvaluesEsc; 
-    for (const TString& s : subvalues) { 
+    TVector<TString> subvaluesEsc;
+    for (const TString& s : subvalues) {
         subvaluesEsc.push_back(EscapeSubvalue(s));
     }
-    return JoinStrings(subvaluesEsc, ":"); 
+    return JoinStrings(subvaluesEsc, ":");
 }
 
-TString MakeUrlAddSub(const TCgiParameters& e, const TString& key, const TString& subvalue) 
+TString MakeUrlAddSub(const TCgiParameters& e, const TString& key, const TString& subvalue)
 {
-    const TString& value = e.Get(key); 
+    const TString& value = e.Get(key);
     auto subvalues = Subvalues(e, key);
     subvalues.push_back(subvalue);
     return MakeUrlReplace(e, key, value, MakeValue(subvalues));
 }
 
-TString MakeUrlReplaceSub(const TCgiParameters& e, const TString& key, const TString& oldSubvalue, const TString& newSubvalue) 
+TString MakeUrlReplaceSub(const TCgiParameters& e, const TString& key, const TString& oldSubvalue, const TString& newSubvalue)
 {
-    const TString& value = e.Get(key); 
+    const TString& value = e.Get(key);
     auto subvalues = Subvalues(e, key);
     auto iter = std::find(subvalues.begin(), subvalues.end(), oldSubvalue);
     if (iter != subvalues.end()) {
@@ -1085,9 +1085,9 @@ TString MakeUrlReplaceSub(const TCgiParameters& e, const TString& key, const TSt
     return MakeUrlReplace(e, key, value, MakeValue(subvalues));
 }
 
-TString MakeUrlEraseSub(const TCgiParameters& e, const TString& key, const TString& subvalue) 
+TString MakeUrlEraseSub(const TCgiParameters& e, const TString& key, const TString& subvalue)
 {
-    const TString& value = e.Get(key); 
+    const TString& value = e.Get(key);
     auto subvalues = Subvalues(e, key);
     auto iter = std::find(subvalues.begin(), subvalues.end(), subvalue);
     if (iter != subvalues.end()) {
@@ -1100,27 +1100,27 @@ TString MakeUrlEraseSub(const TCgiParameters& e, const TString& key, const TStri
     }
 }
 
-template <bool sub> TString UrlAdd(const TCgiParameters& e, const TString& key, const TString& value); 
-template <> TString UrlAdd<false>(const TCgiParameters& e, const TString& key, const TString& value) { 
+template <bool sub> TString UrlAdd(const TCgiParameters& e, const TString& key, const TString& value);
+template <> TString UrlAdd<false>(const TCgiParameters& e, const TString& key, const TString& value) {
     return MakeUrlAdd(e, key, value);
 }
-template <> TString UrlAdd<true>(const TCgiParameters& e, const TString& key, const TString& value) { 
+template <> TString UrlAdd<true>(const TCgiParameters& e, const TString& key, const TString& value) {
     return MakeUrlAddSub(e, key, value);
 }
 
-template <bool sub> TString UrlReplace(const TCgiParameters& e, const TString& key, const TString& oldValue, const TString& newValue); 
-template <> TString UrlReplace<false>(const TCgiParameters& e, const TString& key, const TString& oldValue, const TString& newValue) { 
+template <bool sub> TString UrlReplace(const TCgiParameters& e, const TString& key, const TString& oldValue, const TString& newValue);
+template <> TString UrlReplace<false>(const TCgiParameters& e, const TString& key, const TString& oldValue, const TString& newValue) {
     return MakeUrlReplace(e, key, oldValue, newValue);
 }
-template <> TString UrlReplace<true>(const TCgiParameters& e, const TString& key, const TString& oldValue, const TString& newValue) { 
+template <> TString UrlReplace<true>(const TCgiParameters& e, const TString& key, const TString& oldValue, const TString& newValue) {
     return MakeUrlReplaceSub(e, key, oldValue, newValue);
 }
 
-template <bool sub> TString UrlErase(const TCgiParameters& e, const TString& key, const TString& value); 
-template <> TString UrlErase<false>(const TCgiParameters& e, const TString& key, const TString& value) { 
+template <bool sub> TString UrlErase(const TCgiParameters& e, const TString& key, const TString& value);
+template <> TString UrlErase<false>(const TCgiParameters& e, const TString& key, const TString& value) {
     return MakeUrlErase(e, key, value);
 }
-template <> TString UrlErase<true>(const TCgiParameters& e, const TString& key, const TString& value) { 
+template <> TString UrlErase<true>(const TCgiParameters& e, const TString& key, const TString& value) {
     return MakeUrlEraseSub(e, key, value);
 }
 
@@ -1157,7 +1157,7 @@ struct TScopedHtmlInner {
     IOutputStream &Str;
 };
 
-TString NavbarHeader() 
+TString NavbarHeader()
 {
     return "<div class=\"navbar-header\">"
              "<a class=\"navbar-brand\" href=\"?mode=\">LWTrace</a>"
@@ -1203,8 +1203,8 @@ class TPageGenBase: public std::exception {};
 template <class TContainer = TNullContainer>
 class TPageGen: public TPageGenBase {
 private:
-    TString Content; 
-    TString HttpResponse; 
+    TString Content;
+    TString HttpResponse;
 public:
     void BuildResponse()
     {
@@ -1216,19 +1216,19 @@ public:
         HttpResponse = ss.Str();
     }
 
-    explicit TPageGen(const TString& content = TString()) 
+    explicit TPageGen(const TString& content = TString())
         : Content(content)
     {
         BuildResponse();
     }
 
-    void Append(const TString& moreContent) 
+    void Append(const TString& moreContent)
     {
         Content.append(moreContent);
         BuildResponse();
     }
 
-    void Prepend(const TString& moreContent) 
+    void Prepend(const TString& moreContent)
     {
         Content.prepend(moreContent);
         BuildResponse();
@@ -1264,7 +1264,7 @@ enum EStyleFlags {
 };
 
 template <ui64 flags>
-TString BtnClass() { 
+TString BtnClass() {
     if ((flags & SizeMask) == Large) {
         return "btn btn-lg";
     } else if ((flags & SizeMask) == Small) {
@@ -1317,17 +1317,17 @@ void DropdownItem(IOutputStream& os, const TString& text, const TString& href, b
     os << "<li><a href=\"" << href << "\">" << text << "</a></li>";
 }
 
-TString SuggestSelection() 
+TString SuggestSelection()
 {
     return "--- ";
 }
 
-TString RemoveSelection() 
+TString RemoveSelection()
 {
     return "Remove";
 }
 
-TString GetDescription(const TString& value, const TVariants& variants) 
+TString GetDescription(const TString& value, const TVariants& variants)
 {
     for (const auto& var : variants) {
         if (value == var.first) {
@@ -1342,7 +1342,7 @@ TString GetDescription(const TString& value, const TVariants& variants)
 
 template <ui64 flags, bool sub = false>
 void DropdownSelector(IOutputStream& os, const TCgiParameters& e, const TString& param, const TString& value,
-                      const TString& text, const TVariants& variants, const TString& realValue = TString()) 
+                      const TString& text, const TVariants& variants, const TString& realValue = TString())
 {
     HTML(os) {
         SelectorTitle(os, text);
@@ -1373,25 +1373,25 @@ void DropdownSelector(IOutputStream& os, const TCgiParameters& e, const TString&
     }
 }
 
-void RequireSelection(TStringStream& ss, const TCgiParameters& e, const TString& param, 
-                   const TString& text, const TVariants& variants) 
+void RequireSelection(TStringStream& ss, const TCgiParameters& e, const TString& param,
+                   const TString& text, const TVariants& variants)
 {
-    const TString& value = e.Get(param); 
+    const TString& value = e.Get(param);
     DropdownSelector<Link>(ss, e, param, value, text, variants);
     if (!value) {
         throw TPageGen<TSelectorsContainer>(ss.Str());
     }
 }
 
-void RequireMultipleSelection(TStringStream& ss, const TCgiParameters& e, const TString& param, 
-                              const TString& text, const TVariants& variants) 
+void RequireMultipleSelection(TStringStream& ss, const TCgiParameters& e, const TString& param,
+                              const TString& text, const TVariants& variants)
 {
     SelectorTitle(ss, text);
-    TSet<TString> selectedValues; 
-    for (const TString& subvalue : Subvalues(e, param)) { 
+    TSet<TString> selectedValues;
+    for (const TString& subvalue : Subvalues(e, param)) {
         selectedValues.insert(subvalue);
     }
-    for (const TString& subvalue : Subvalues(e, param)) { 
+    for (const TString& subvalue : Subvalues(e, param)) {
         DropdownSelector<Erasable, true>(ss, e, param, subvalue, "", variants);
     }
     if (selectedValues.contains("")) {
@@ -1422,17 +1422,17 @@ void OptionalSelection(TStringStream& ss, const TCgiParameters& e, const TString
     }
 }
 
-void OptionalMultipleSelection(TStringStream& ss, const TCgiParameters& e, const TString& param, 
-                              const TString& text, const TVariants& variants) 
+void OptionalMultipleSelection(TStringStream& ss, const TCgiParameters& e, const TString& param,
+                              const TString& text, const TVariants& variants)
 {
-    TSet<TString> selectedValues; 
-    for (const TString& subvalue : Subvalues(e, param)) { 
+    TSet<TString> selectedValues;
+    for (const TString& subvalue : Subvalues(e, param)) {
         selectedValues.insert(subvalue);
     }
     if (!selectedValues.empty()) {
         SelectorTitle(ss, text);
     }
-    for (const TString& subvalue : Subvalues(e, param)) { 
+    for (const TString& subvalue : Subvalues(e, param)) {
         DropdownSelector<Erasable, true>(ss, e, param, subvalue, "", variants);
     }
     if (selectedValues.contains("")) {
@@ -1444,7 +1444,7 @@ void OptionalMultipleSelection(TStringStream& ss, const TCgiParameters& e, const
 
 TVariants ListColumns(const NAnalytics::TTable& table)
 {
-    TSet<TString> cols; 
+    TSet<TString> cols;
 //    bool addSpecialCols = false;
 //    if (addSpecialCols) {
 //        cols.insert("_count");
@@ -1461,7 +1461,7 @@ TVariants ListColumns(const NAnalytics::TTable& table)
     return result;
 }
 
-TString TaggedValue(const TString& value, const TString& tag) 
+TString TaggedValue(const TString& value, const TString& tag)
 {
     if (!tag) {
         return value;
@@ -1469,7 +1469,7 @@ TString TaggedValue(const TString& value, const TString& tag)
     return value + "-" + tag;
 }
 
-TVariants ValueVars(const TVariants& values, const TString& tag) 
+TVariants ValueVars(const TVariants& values, const TString& tag)
 {
     TVariants ret;
     for (auto& p : values) {
@@ -1478,7 +1478,7 @@ TVariants ValueVars(const TVariants& values, const TString& tag)
     return ret;
 }
 
-TVariants TagVars(const TString& value, const TVariants& tags) 
+TVariants TagVars(const TString& value, const TVariants& tags)
 {
     TVariants ret;
     for (auto& p : tags) {
@@ -1496,10 +1496,10 @@ TVariants SeriesTags()
 }
 
 void SeriesSelectors(TStringStream& ss, const TCgiParameters& e,
-                     const TString& xparam, const TString& yparam, const NAnalytics::TTable& data) 
+                     const TString& xparam, const TString& yparam, const NAnalytics::TTable& data)
 {
     TTags xtags;
-    TString xn = ParseTagsOut(e.Get(xparam), xtags); 
+    TString xn = ParseTagsOut(e.Get(xparam), xtags);
     DropdownSelector<Erasable, true>(ss, e, xparam, e.Get(xparam), "with Ox:",
                                  ValueVars(ListColumns(data), JoinTags(xtags)));
     if (xn) {
@@ -1507,13 +1507,13 @@ void SeriesSelectors(TStringStream& ss, const TCgiParameters& e,
                                      TagVars(xn, SeriesTags()));
     }
 
-    TString yns = e.Get(yparam); 
+    TString yns = e.Get(yparam);
     SelectorTitle(ss, "and Oy:");
     bool first = true;
     bool hasEmpty = false;
     for (auto& subvalue : Subvalues(e, yparam)) {
         TTags ytags;
-        TString yn = ParseTagsOut(subvalue, ytags); 
+        TString yn = ParseTagsOut(subvalue, ytags);
         DropdownSelector<Erasable, true>(ss, e, yparam, subvalue, first? "": ", ",
                                          ValueVars(ListColumns(data), JoinTags(ytags)));
         if (yn) {
@@ -1539,7 +1539,7 @@ void SeriesSelectors(TStringStream& ss, const TCgiParameters& e,
 
 class TProbesHtmlPrinter {
 private:
-    TVector<TVector<TString>> TableData; 
+    TVector<TVector<TString>> TableData;
     static constexpr int TimeoutSec = 15 * 60; // default timeout
 public:
     void Push(const NLWTrace::TProbe* probe)
@@ -1548,19 +1548,19 @@ public:
         auto& row = TableData.back();
 
         row.emplace_back();
-        TString& groups = row.back(); 
+        TString& groups = row.back();
         bool first = true;
         for (const char* const* i = probe->Event.Groups; *i != nullptr; ++i, first = false) {
-            groups.append(TString(first? "": ", ") + GroupHtml(*i)); 
+            groups.append(TString(first? "": ", ") + GroupHtml(*i));
         }
 
         row.push_back(ProbeHtml(probe->Event.GetProvider(), probe->Event.Name));
 
         row.emplace_back();
-        TString& params = row.back(); 
+        TString& params = row.back();
         first = true;
         for (size_t i = 0; i < probe->Event.Signature.ParamCount; i++, first = false) {
-            params.append(TString(first? "": ", ") + probe->Event.Signature.ParamTypes[i] 
+            params.append(TString(first? "": ", ") + probe->Event.Signature.ParamTypes[i]
                           + " " + probe->Event.Signature.ParamNames[i]);
         }
 
@@ -1580,7 +1580,7 @@ public:
                 TABLEBODY() {
                     for (auto& row : TableData) {
                         TABLER() {
-                            for (TString& cell : row) { 
+                            for (TString& cell : row) {
                                 TABLED() { os << cell; }
                             }
                         }
@@ -1590,7 +1590,7 @@ public:
         }
     }
 private:
-    TString GroupHtml(const TString& group) 
+    TString GroupHtml(const TString& group)
     {
         TStringStream ss;
         ss << "<div class=\"dropdown\" style=\"display:inline-block\">"
@@ -1619,7 +1619,7 @@ private:
         return ss.Str();
     }
 
-    TString ProbeHtml(const TString& provider, const TString& probe) 
+    TString ProbeHtml(const TString& provider, const TString& probe)
     {
         TStringStream ss;
         ss << "<div class=\"dropdown\">"
@@ -1701,7 +1701,7 @@ void TDashboardRegistry::Output(TStringStream& ss) {
 class ILogSource {
 public:
     virtual ~ILogSource() {}
-    virtual TString GetId() = 0; 
+    virtual TString GetId() = 0;
     virtual TInstant GetStartTime() = 0;
     virtual TDuration GetTimeout(TInstant now) = 0;
     virtual ui64 GetEventsCount() = 0;
@@ -1710,7 +1710,7 @@ public:
 
 class TTraceLogSource : public ILogSource {
 private:
-    TString Id; 
+    TString Id;
     const TTraceCleaner& Cleaner;
     const NLWTrace::TSession* Trace;
 public:
@@ -1720,7 +1720,7 @@ public:
         , Trace(trace)
     {}
 
-    TString GetId() override 
+    TString GetId() override
     {
         return Id;
     }
@@ -1755,19 +1755,19 @@ public:
 
 class TSnapshotLogSource : public ILogSource {
 private:
-    TString Sid; 
+    TString Sid;
     // Log should be used for read-only purpose, because it can be accessed from multiple threads
     // Atomic pointer is used to avoid thread-safety issues with snapshot deletion
     // (I hope protobuf const-implementation doesn't use any mutable non-thread-safe stuff inside)
     TAtomicSharedPtr<NLWTrace::TLogPb> Log;
 public:
     // Constructor should be called under SnapshotsMtx lock
-    TSnapshotLogSource(const TString& sid, const TAtomicSharedPtr<NLWTrace::TLogPb>& log) 
+    TSnapshotLogSource(const TString& sid, const TAtomicSharedPtr<NLWTrace::TLogPb>& log)
         : Sid(sid)
         , Log(log)
     {}
 
-    TString GetId() override 
+    TString GetId() override
     {
         return Sid + "~";
     }
@@ -1799,14 +1799,14 @@ private:
     TTraceCleaner& Cleaner;
     TInstant Now;
     using TLogSourcePtr = std::unique_ptr<ILogSource>;
-    TMap<TString, TLogSourcePtr> LogSources; 
+    TMap<TString, TLogSourcePtr> LogSources;
 public:
     explicit TLogSources(TTraceCleaner& cleaner, TInstant now = TInstant::Now())
         : Cleaner(cleaner)
         , Now(now)
     {}
 
-    void Push(const TString& sid, const TAtomicSharedPtr<NLWTrace::TLogPb>& log) 
+    void Push(const TString& sid, const TAtomicSharedPtr<NLWTrace::TLogPb>& log)
     {
         TLogSourcePtr ls(new TSnapshotLogSource(sid, log));
         LogSources.emplace(ls->GetId(), std::move(ls));
@@ -1847,7 +1847,7 @@ public:
 
     void Push(ILogSource* src)
     {
-        TString id = src->GetId(); 
+        TString id = src->GetId();
         Os << "<tr>";
         Os << "<td>";
         try {
@@ -1884,7 +1884,7 @@ public:
            << "</tr>\n";
     }
 private:
-    static TString TimeoutToString(TDuration d) 
+    static TString TimeoutToString(TDuration d)
     {
         TStringStream ss;
         if (d == TDuration::Zero()) {
@@ -1941,7 +1941,7 @@ TVariants ListTraces(const TLogSources& srcs)
 
 class TTimestampCutter {
 private:
-    THashMap<TThread::TId, std::pair<ui64, TInstant>> CutTsForThread; // tid -> time of first item 
+    THashMap<TThread::TId, std::pair<ui64, TInstant>> CutTsForThread; // tid -> time of first item
     mutable ui64 CutTsMax = 0;
     mutable TInstant CutInstantMax;
     bool Enabled;
@@ -2007,14 +2007,14 @@ private:
 class TLogFilter {
 private:
     struct TFilter {
-        TString ParamName; 
-        TString ParamValue; 
+        TString ParamName;
+        TString ParamValue;
         bool Parsed;
 
         TLogQuery Query;
         NLWTrace::TLiteral Value;
 
-        explicit TFilter(const TString& text) 
+        explicit TFilter(const TString& text)
         {
             if (!text) { // Neither ParamName nor ParamValue is selected
                 ParamName.clear();
@@ -2023,7 +2023,7 @@ private:
                 return;
             }
             size_t pos = text.find('=');
-            if (pos == TString::npos) { // Only ParamName has been selected 
+            if (pos == TString::npos) { // Only ParamName has been selected
                 ParamName = text;
                 ParamValue.clear();
                 Parsed = false;
@@ -2038,14 +2038,14 @@ private:
             Value = NLWTrace::TLiteral(ParamValue);
         }
     };
-    TVector<TFilter> Filters; 
-    THashSet<const NLWTrace::TSignature*> Signatures; // Just to list param names 
+    TVector<TFilter> Filters;
+    THashSet<const NLWTrace::TSignature*> Signatures; // Just to list param names
     TVariants ParamNames;
-    THashMap<TString, THashSet<TString>> FilteredParamValues; // paramName -> { paramValue } 
+    THashMap<TString, THashSet<TString>> FilteredParamValues; // paramName -> { paramValue }
 public:
-    explicit TLogFilter(const TVector<TString>& filters) 
+    explicit TLogFilter(const TVector<TString>& filters)
     {
-        for (const TString& subvalue : filters) { 
+        for (const TString& subvalue : filters) {
             TFilter filter(subvalue);
             FilteredParamValues[filter.ParamName]; // just create empty set to gather values later
             if (filter.Parsed) {
@@ -2068,11 +2068,11 @@ public:
         return true;
     }
 
-    void FilterSelectors(TStringStream& ss, const TCgiParameters& e, const TString& fparam) 
+    void FilterSelectors(TStringStream& ss, const TCgiParameters& e, const TString& fparam)
     {
         bool first = true;
         bool allParsed = true;
-        for (const TString& subvalue : Subvalues(e, fparam)) { 
+        for (const TString& subvalue : Subvalues(e, fparam)) {
             TFilter filter(subvalue);
             allParsed = allParsed && filter.Parsed;
             if (first) {
@@ -2101,7 +2101,7 @@ public:
     const TVariants& ListParamNames()
     {
         if (ParamNames.empty()) {
-            THashSet<TString> paramNames; 
+            THashSet<TString> paramNames;
             for (const NLWTrace::TSignature* sgn: Signatures) {
                 for (size_t pi = 0; pi < sgn->ParamCount; pi++) {
                     paramNames.insert(sgn->ParamNames[pi]);
@@ -2114,7 +2114,7 @@ public:
         return ParamNames;
     }
 
-    bool IsFiltered(const TString& paramName) const 
+    bool IsFiltered(const TString& paramName) const
     {
         return FilteredParamValues.contains(paramName);
     }
@@ -2125,7 +2125,7 @@ private:
     {
         Signatures.insert(&item.Probe->Event.Signature);
         if (!FilteredParamValues.empty() && item.SavedParamsCount > 0) {
-            TString paramValues[LWTRACE_MAX_PARAMS]; 
+            TString paramValues[LWTRACE_MAX_PARAMS];
             item.Probe->Event.Signature.SerializeParams(item.Params, paramValues);
             for (size_t pi = 0; pi < item.SavedParamsCount; pi++) {
                 auto iter = FilteredParamValues.find(item.Probe->Event.Signature.ParamNames[pi]);
@@ -2143,12 +2143,12 @@ private:
         }
     }
 
-    TVariants ListParamValues(const TString& paramName) const 
+    TVariants ListParamValues(const TString& paramName) const
     {
         TVariants result;
         auto iter = FilteredParamValues.find(paramName);
         if (iter != FilteredParamValues.end()) {
-            for (const TString& paramValue : iter->second) { 
+            for (const TString& paramValue : iter->second) {
                 result.emplace_back(paramName + "=" + paramValue, paramValue);
             }
         }
@@ -2231,7 +2231,7 @@ public:
               ", {"
               ;
         if (item.SavedParamsCount > 0) {
-            TString ParamValues[LWTRACE_MAX_PARAMS]; 
+            TString ParamValues[LWTRACE_MAX_PARAMS];
             item.Probe->Event.Signature.SerializeParams(item.Params, ParamValues);
             bool first = true;
             for (size_t i = 0; i < item.SavedParamsCount; i++, first = false) {
@@ -2490,19 +2490,19 @@ private:
 
 class TLogAnalyzer: public TLogFilter {
 private:
-    TMultiMap<ui64, std::pair<TThread::TId, NLWTrace::TLogItem>> Items; 
-    TVector<NLWTrace::TTrackLog> Depot; 
-    THashMap<TString, TTrackLogRefs> Groups; 
+    TMultiMap<ui64, std::pair<TThread::TId, NLWTrace::TLogItem>> Items;
+    TVector<NLWTrace::TTrackLog> Depot;
+    THashMap<TString, TTrackLogRefs> Groups;
     NAnalytics::TTable Table;
     bool TableCreated = false;
-    TVector<TString> GroupBy; 
+    TVector<TString> GroupBy;
     TTimestampCutter CutTs;
 public:
-    TLogAnalyzer(const TVector<TString>& filters, const TVector<TString>& groupBy, bool cutTs) 
+    TLogAnalyzer(const TVector<TString>& filters, const TVector<TString>& groupBy, bool cutTs)
         : TLogFilter(filters)
         , CutTs(cutTs)
     {
-        for (const TString& groupParam : groupBy) { 
+        for (const TString& groupParam : groupBy) {
             GroupBy.push_back(groupParam);
         }
     }
@@ -2544,7 +2544,7 @@ private:
     void FillRow(NAnalytics::TRow& row, const NLWTrace::TLogItem& item)
     {
         if (item.SavedParamsCount > 0) {
-            TString paramValues[LWTRACE_MAX_PARAMS]; 
+            TString paramValues[LWTRACE_MAX_PARAMS];
             item.Probe->Event.Signature.SerializeParams(item.Params, paramValues);
             for (size_t i = 0; i < item.SavedParamsCount; i++) {
                 double value = FromString<double>(paramValues[i].data(), paramValues[i].size(), NAN);
@@ -2558,21 +2558,21 @@ private:
         }
     }
 
-    TString GetParam(const NLWTrace::TLogItem& item, TString* paramValues, const TString& paramName) 
+    TString GetParam(const NLWTrace::TLogItem& item, TString* paramValues, const TString& paramName)
     {
         for (size_t pi = 0; pi < item.SavedParamsCount; pi++) {
             if (paramName == item.Probe->Event.Signature.ParamNames[pi]) {
                 return paramValues[pi];
             }
         }
-        return TString(); 
+        return TString();
     }
 
-    TString GetGroup(const NLWTrace::TLogItem& item, TString* paramValues) 
+    TString GetGroup(const NLWTrace::TLogItem& item, TString* paramValues)
     {
         TStringStream ss;
         bool first = true;
-        for (const TString& groupParam : GroupBy) { 
+        for (const TString& groupParam : GroupBy) {
             ss << (first? "": "|") << GetParam(item, paramValues, groupParam);
             first = false;
         }
@@ -2602,7 +2602,7 @@ private:
     void Map(TThread::TId tid, const NLWTrace::TLogItem& item)
     {
         if (item.SavedParamsCount > 0 && !CutTs.Skip(item)) {
-            TString paramValues[LWTRACE_MAX_PARAMS]; 
+            TString paramValues[LWTRACE_MAX_PARAMS];
             item.Probe->Event.Signature.SerializeParams(item.Params, paramValues);
             TTrackLogRefs& tl = Groups[GetGroup(item, paramValues)];
             tl.Items.emplace_back(tid, item);
@@ -2612,7 +2612,7 @@ private:
     void Reduce()
     {
         for (auto& v : Groups) {
-            const TString& group = v.first; 
+            const TString& group = v.first;
             const TTrackLogRefs& tl = v.second;
             Table.emplace_back();
             NAnalytics::TRow& row = Table.back();
@@ -2650,7 +2650,7 @@ class TPatternTree;
 struct TPatternNode;
 
 struct TTrack : public TTrackLogRefs {
-    TString TrackId; 
+    TString TrackId;
     TPatternNode* LastNode = nullptr;
 };
 
@@ -2685,7 +2685,7 @@ public:
 
 // Track classification tree node
 struct TPatternNode {
-    TString Name; 
+    TString Name;
     TPatternNode* Parent = nullptr;
     THolder<TClassifier> Classifier;
     struct TDesc {
@@ -2694,8 +2694,8 @@ struct TPatternNode {
         const NLWTrace::TProbe* Probe = nullptr;
         // NT_PARAM
         size_t Rollbacks = 0;
-        TString ParamName; 
-        TString ParamValue; 
+        TString ParamName;
+        TString ParamValue;
     } Desc;
 
     ui64 TrackCount = 0;
@@ -2711,20 +2711,20 @@ struct TPatternNode {
         {}
     };
 
-    TVector<TTrackEntry> Tracks; 
+    TVector<TTrackEntry> Tracks;
 
     ui64 ResTotalSum = 0;
     ui64 ResTotalMax = 0;
-    TVector<ui64> ResTotalAll; 
+    TVector<ui64> ResTotalAll;
 
     ui64 ResLastSum = 0;
     ui64 ResLastMax = 0;
-    TVector<ui64> ResLastAll; 
+    TVector<ui64> ResLastAll;
 
-    TVector<ui64> TimelineSum; 
+    TVector<ui64> TimelineSum;
     NAnalytics::TTable Slices;
 
-    TString GetPath() const 
+    TString GetPath() const
     {
         if (Parent) {
             return Parent->GetPath() + Name;
@@ -2798,9 +2798,9 @@ public:
     // Per-node classifier by probe name
     class TClassifyByProbe : public TClassifier {
     private:
-        using TChildren = THashMap<NLWTrace::TProbe*, TPatternNode>; 
+        using TChildren = THashMap<NLWTrace::TProbe*, TPatternNode>;
         TChildren Children;
-        TVector<TChildren::value_type*> SortedChildren; 
+        TVector<TChildren::value_type*> SortedChildren;
     public:
         explicit TClassifyByProbe(TPatternNode* node)
             : TClassifier(node, NT_PROBE)
@@ -2846,12 +2846,12 @@ public:
     class TClassifyByParam : public TClassifier {
     private:
         size_t Rollbacks; // How many items should we look back in track to locate probe
-        TString ParamName; 
-        using TChildren = THashMap<TString, TPatternNode>; 
+        TString ParamName;
+        using TChildren = THashMap<TString, TPatternNode>;
         TChildren Children;
-        TVector<TChildren::value_type*> SortedChildren; 
+        TVector<TChildren::value_type*> SortedChildren;
     public:
-        TClassifyByParam(TPatternNode* node, size_t rollbacks, const TString& paramName) 
+        TClassifyByParam(TPatternNode* node, size_t rollbacks, const TString& paramName)
             : TClassifier(node, NT_PARAM, true)
             , Rollbacks(rollbacks)
             , ParamName(paramName)
@@ -2864,8 +2864,8 @@ public:
             const NLWTrace::TLogItem& item = *(cur - Rollbacks);
             WWW_CHECK(item.SavedParamsCount > 0, "classify by params on probe w/o param loggging in node '%s'",
                       Node->GetPath().data());
-            TString paramValues[LWTRACE_MAX_PARAMS]; 
-            TString* paramValue = nullptr; 
+            TString paramValues[LWTRACE_MAX_PARAMS];
+            TString* paramValue = nullptr;
             item.Probe->Event.Signature.SerializeParams(item.Params, paramValues);
             for (size_t pi = 0; pi < item.SavedParamsCount; pi++) {
                 if (item.Probe->Event.Signature.ParamNames[pi] == ParamName) {
@@ -2906,18 +2906,18 @@ public:
     };
 private:
     TPatternNode Root;
-    THashMap<TString, std::pair<size_t, TString>> ParamClassifiers; // path -> (rollbacks, param) 
-    TString SelectedPattern; 
+    THashMap<TString, std::pair<size_t, TString>> ParamClassifiers; // path -> (rollbacks, param)
+    TString SelectedPattern;
     TPatternNode* SelectedNode = nullptr;
-    TVector<ui64> Timeline; // Just to avoid reallocations 
+    TVector<ui64> Timeline; // Just to avoid reallocations
 public:
     TPatternTree(const TCgiParameters& e)
     {
-        for (const TString& cl : Subvalues(e, "classify")) { 
+        for (const TString& cl : Subvalues(e, "classify")) {
             size_t at = cl.find_last_of('@');
-            if (at != TString::npos) { 
+            if (at != TString::npos) {
                 size_t dot = cl.find('.', at + 1);
-                if (dot != TString::npos) { 
+                if (dot != TString::npos) {
                     size_t rollbacks = FromString<size_t>(cl.substr(at + 1, dot - at - 1));
                     ParamClassifiers[cl.substr(0, at)] = std::make_pair(rollbacks, cl.substr(dot + 1));
                 }
@@ -2950,7 +2950,7 @@ public:
     }
 
     // Register track in given node
-    void AddTrackToNode(TPatternNode* node, TTrack& track, ui64 resTotal, TVector<ui64>& timeline) 
+    void AddTrackToNode(TPatternNode* node, TTrack& track, ui64 resTotal, TVector<ui64>& timeline)
     {
         if (!SelectedNode) {
             if (node->GetPath() == SelectedPattern) {
@@ -3012,7 +3012,7 @@ public:
 
 #define WWW_CHECK_PATTERN(str) if (!CheckPattern(pi, pe, (str))) { return false; }
 
-    bool MatchTrack(const TTrack& track, const TString& patternStr) 
+    bool MatchTrack(const TTrack& track, const TString& patternStr)
     {
         const char* pi = patternStr.data();
         const char* pe = pi + patternStr.size();
@@ -3065,8 +3065,8 @@ public:
                     if (mitem.SavedParamsCount == 0) {
                         return false;
                     }
-                    TString paramValues[LWTRACE_MAX_PARAMS]; 
-                    TString* paramValue = nullptr; 
+                    TString paramValues[LWTRACE_MAX_PARAMS];
+                    TString* paramValue = nullptr;
                     mitem.Probe->Event.Signature.SerializeParams(mitem.Params, paramValues);
                     for (size_t pi = 0; pi < mitem.SavedParamsCount; pi++) {
                         if (mitem.Probe->Event.Signature.ParamNames[pi] == paramName) {
@@ -3175,25 +3175,25 @@ private:
 class TLogTrackExtractor: public TLogFilter {
 private:
     // Data storage
-    TMultiMap<ui64, std::pair<TThread::TId, NLWTrace::TLogItem>> Items; 
-    TVector<NLWTrace::TTrackLog> Depot; 
+    TMultiMap<ui64, std::pair<TThread::TId, NLWTrace::TLogItem>> Items;
+    TVector<NLWTrace::TTrackLog> Depot;
 
     // Data refs organized in tracks
-    THashMap<TString, TTrack> Tracks; 
-    TVector<TTrack> TracksFromDepot; 
+    THashMap<TString, TTrack> Tracks;
+    TVector<TTrack> TracksFromDepot;
 
     // Analysis
-    TVector<TString> GroupBy; 
-    THashSet<TString> TrackIds; // The same content as in GroupBy 
+    TVector<TString> GroupBy;
+    THashSet<TString> TrackIds; // The same content as in GroupBy
     TTimestampCutter CutTs;
     TPatternTree Tree;
 public:
-    TLogTrackExtractor(const TCgiParameters& e, const TVector<TString>& filters, const TVector<TString>& groupBy) 
+    TLogTrackExtractor(const TCgiParameters& e, const TVector<TString>& filters, const TVector<TString>& groupBy)
         : TLogFilter(filters)
         , CutTs(true) // Always cut input data for tracks
         , Tree(e)
     {
-        for (const TString& groupParam : groupBy) { 
+        for (const TString& groupParam : groupBy) {
             GroupBy.push_back(groupParam);
             TrackIds.insert(groupParam);
         }
@@ -3305,7 +3305,7 @@ public:
         WWW_CHECK(percentile >= 0.0 && percentile <= 100.0, "wrong percentile: %lf", percentile);
 
         ui64 row = 0;
-        TVector<ui64> chain; 
+        TVector<ui64> chain;
         HTML(os) {
             TABLE_CLASS("tracks-tree") {
                 TABLEHEAD() {
@@ -3333,11 +3333,11 @@ public:
                         return;
                     }
                     Tree.Traverse([&] (TPatternNode* node) {
-                        TString parentClass; 
+                        TString parentClass;
                         if (!chain.empty()) {
                             parentClass = " treegrid-parent-" + ToString(chain.back());
                         }
-                        TString selectedClass; 
+                        TString selectedClass;
                         if (e.Get("pattern") == node->GetPath()) {
                             selectedClass = " danger";
                         }
@@ -3399,7 +3399,7 @@ public:
             auto first = TTrackTr::begin(*track);
             auto last = TTrackTr::rbegin(*track);
 
-            TString name = track->LastNode->GetPath(); 
+            TString name = track->LastNode->GetPath();
 
             const NLWTrace::TLogItem& firstItem = *first;
             TThread::TId firstTid = first->ThreadId;
@@ -3410,7 +3410,7 @@ public:
 
                 tr.Add(cur->ThreadId, item.TimestampCycles, "i", "event", &item, GetProbeName(item.Probe));
 
-                TString sliceName = GetProbeName(item.Probe); 
+                TString sliceName = GetProbeName(item.Probe);
 
                 auto next = cur + 1;
                 if (next != end) {
@@ -3498,8 +3498,8 @@ private:
     void OutputPattern(IOutputStream& os, const TCgiParameters& e, TPatternNode* node)
     {
         // Fill pattern name
-        TString patternName; 
-        TString patternTitle; 
+        TString patternName;
+        TString patternTitle;
         switch (node->Desc.Type) {
         case NT_ROOT:
             patternName = "All Tracks";
@@ -3549,7 +3549,7 @@ private:
                     os << "<li class=\"dropdown-header\">" << GetProbeName(probe) << "</li>";
                     const NLWTrace::TSignature* sgn = &probe->Event.Signature;
                     for (size_t pi = 0; pi < sgn->ParamCount; pi++) {
-                        TString param = sgn->ParamNames[pi]; 
+                        TString param = sgn->ParamNames[pi];
                         if (TrackIds.contains(param) || IsFiltered(param)) {
                             continue;
                         }
@@ -3589,7 +3589,7 @@ private:
               "</div>";
     }
 
-    using TTimeline = TVector<std::pair<TPatternNode*, double>>; 
+    using TTimeline = TVector<std::pair<TPatternNode*, double>>;
 
     TTimeline MakeTimeline(TPatternNode* node)
     {
@@ -3648,14 +3648,14 @@ private:
         os << "</div>";
     }
 
-    TString FormatTimelineTooltip(double time, double prevTime, TPatternNode* node) 
+    TString FormatTimelineTooltip(double time, double prevTime, TPatternNode* node)
     {
         return FormatCycles(time - prevTime) + ": "
                 + FormatCycles(prevTime) + " -> " + FormatCycles(time)
                 + "(" + node->Name + ")";
     }
 
-    TString FormatFloat(double value) 
+    TString FormatFloat(double value)
     {
         if (value == 0.0) {
             return "0";
@@ -3695,7 +3695,7 @@ private:
         }
     }
 
-    TString FormatCycles(double timeCycles) 
+    TString FormatCycles(double timeCycles)
     {
         double timeSec = timeCycles / NHPTimer::GetClockRate();
         if (timeSec > 1.0) {
@@ -3733,21 +3733,21 @@ private:
         }
     }
 
-    TString GetParam(const NLWTrace::TLogItem& item, TString* paramValues, const TString& paramName) 
+    TString GetParam(const NLWTrace::TLogItem& item, TString* paramValues, const TString& paramName)
     {
         for (size_t pi = 0; pi < item.SavedParamsCount; pi++) {
             if (paramName == item.Probe->Event.Signature.ParamNames[pi]) {
                 return paramValues[pi];
             }
         }
-        return TString(); 
+        return TString();
     }
 
-    TString GetGroup(const NLWTrace::TLogItem& item, TString* paramValues) 
+    TString GetGroup(const NLWTrace::TLogItem& item, TString* paramValues)
     {
         TStringStream ss;
         bool first = true;
-        for (const TString& groupParam : GroupBy) { 
+        for (const TString& groupParam : GroupBy) {
             ss << (first? "": "|") << GetParam(item, paramValues, groupParam);
             first = false;
         }
@@ -3759,7 +3759,7 @@ private:
         // Ensure cyclic per thread lwtrace logs wont drop *inner* items of a track
         // (note that some *starting* items can be dropped)
         if (item.SavedParamsCount > 0 && !CutTs.Skip(item)) {
-            TString paramValues[LWTRACE_MAX_PARAMS]; 
+            TString paramValues[LWTRACE_MAX_PARAMS];
             item.Probe->Event.Signature.SerializeParams(item.Params, paramValues);
             Tracks[GetGroup(item, paramValues)].Items.emplace_back(tid, item);
         }
@@ -3767,7 +3767,7 @@ private:
 };
 
 NLWTrace::TProbeRegistry g_Probes;
-TString g_sanitizerTest("TString g_sanitizerTest"); 
+TString g_sanitizerTest("TString g_sanitizerTest");
 NLWTrace::TManager g_SafeManager(g_Probes, false);
 NLWTrace::TManager g_UnsafeManager(g_Probes, true);
 TDashboardRegistry g_DashboardRegistry;
@@ -3775,10 +3775,10 @@ TDashboardRegistry g_DashboardRegistry;
 class TLWTraceMonPage : public NMonitoring::IMonPage {
 private:
     NLWTrace::TManager* TraceMngr;
-    TString StartTime; 
+    TString StartTime;
     TTraceCleaner Cleaner;
     TMutex SnapshotsMtx;
-    THashMap<TString, TAtomicSharedPtr<NLWTrace::TLogPb>> Snapshots; 
+    THashMap<TString, TAtomicSharedPtr<NLWTrace::TLogPb>> Snapshots;
 public:
     explicit TLWTraceMonPage(bool allowUnsafe = false)
         : NMonitoring::IMonPage("trace", "Tracing")
@@ -3842,7 +3842,7 @@ public:
 private:
     void OutputNavbar(const NMonitoring::IMonHttpRequest& request, IOutputStream& out)
     {
-        TString active = " class=\"active\""; 
+        TString active = " class=\"active\"";
         out <<
             "<nav class=\"navbar navbar-default\"><div class=\"container-fluid\">"
               << NavbarHeader() <<
@@ -4057,9 +4057,9 @@ private:
         if (request.GetParams().NumOfValues("id") == 0) {
             ythrow yexception() << "Cgi-parameter 'id' is not specified";
         } else {
-            TString id = request.GetParams().Get("id"); 
+            TString id = request.GetParams().Get("id");
             const NLWTrace::TQuery& query = TraceMngr->GetTrace(id)->GetQuery();
-            TString queryStr = query.DebugString(); 
+            TString queryStr = query.DebugString();
             WWW_HTML(out) {
                 out << "<h2>Trace Query: " << id << "</h2><pre>" << queryStr;
             }
@@ -4112,7 +4112,7 @@ private:
                 Subvalues(request.GetParams(), "f"),
                 Subvalues(request.GetParams(), "g")
             ));
-            for (const TString& id : Subvalues(request.GetParams(), "id")) { 
+            for (const TString& id : Subvalues(request.GetParams(), "id")) {
                 CheckAdHocTrace(id, TDuration::Minutes(1));
                 TraceMngr->ReadLog(id, *logTracks);
                 TraceMngr->ReadDepot(id, *logTracks);
@@ -4123,7 +4123,7 @@ private:
                 Subvalues(request.GetParams(), "g"),
                 request.GetParams().Get("cutts") == "y"
             ));
-            for (const TString& id : Subvalues(request.GetParams(), "id")) { 
+            for (const TString& id : Subvalues(request.GetParams(), "id")) {
                 CheckAdHocTrace(id, TDuration::Minutes(1));
                 TraceMngr->ReadLog(id, *logAnalyzer);
                 TraceMngr->ReadDepot(id, *logAnalyzer);
@@ -4148,7 +4148,7 @@ private:
             DropdownSelector<Link>(out, e, "reverse", e.Get("reverse"), "", variants);
         }
 
-        TString aggr = e.Get("aggr"); 
+        TString aggr = e.Get("aggr");
         TVariants variants1; // MSVS2013 doesn't understand complex initializer lists
         variants1.emplace_back("", "without aggregation");
         variants1.emplace_back("hist", "as histogram");
@@ -4173,8 +4173,8 @@ private:
             DropdownSelector<Link>(out, e, "ile", e.Get("ile"), "and show", ileVars);
             out << "%-ile. ";
             TString patternAnalyzer;
-            TString distBy; 
-            TString distType; 
+            TString distBy;
+            TString distType;
             if (e.Get("pattern")) {
                 TVariants analyzePatternVars;
                 analyzePatternVars.emplace_back("resTotal", "distribution by total");
@@ -4229,7 +4229,7 @@ private:
                 }
             }
 
-            TString selectors = out.Str(); 
+            TString selectors = out.Str();
             out.Clear();
             out << NMonitoring::HTTPOKHTML;
             out << "<!DOCTYPE html>" << Endl;
@@ -4320,7 +4320,7 @@ private:
             } else if (aggr == "hist") {
                 RequireSelection(out, e, "bn", "by", logFilter->ListParamNames());
                 const NAnalytics::TTable& inputTable = logAnalyzer->GetTable();
-                TString bn = e.Get("bn"); 
+                TString bn = e.Get("bn");
                 double b1 = e.Get("b1")? FromString<double>(e.Get("b1")): MinValue(bn, inputTable);
                 double b2 = e.Get("b2")? FromString<double>(e.Get("b2")): MaxValue(bn, inputTable);
                 if (isfinite(b1) && isfinite(b2)) {
@@ -4332,9 +4332,9 @@ private:
                 }
             }
 
-            TString xn = e.Get("xn"); 
+            TString xn = e.Get("xn");
 
-            TString outFormat = e.Get("out"); 
+            TString outFormat = e.Get("out");
             TVariants variants2;
             variants2.emplace_back("html", "table");
             variants2.emplace_back("flot", "chart");
@@ -4345,12 +4345,12 @@ private:
 
             RequireSelection(out, e, "out", "and show", variants2);
             if (outFormat == "csv") {
-                TString sep = e.Get("sep")? e.Get("sep"): TString("\t"); 
+                TString sep = e.Get("sep")? e.Get("sep"): TString("\t");
                 out.Clear();
                 out << NMonitoring::HTTPOKTEXT;
                 out << ToCsv(data, sep, e.Get("head") != "n");
             } else if (outFormat == "html") {
-                TString selectors = out.Str(); 
+                TString selectors = out.Str();
                 out.Clear();
                 WWW_HTML(out) {
                     // Wrap selectors with navbar
@@ -4366,7 +4366,7 @@ private:
                 out << ToJsonFlot(data, xn, SplitString(e.Get("yns"), ":"));
             } else if (outFormat == "flot") {
                 SeriesSelectors(out, e, "xn", "yns", data);
-                TString selectors = out.Str(); 
+                TString selectors = out.Str();
 
                 TVector<TString> ynos = SplitString(e.Get("yns"), ":");
                 out.Clear();
@@ -4525,12 +4525,12 @@ private:
     void PostNew(const NMonitoring::IMonHttpRequest& request, IOutputStream& out)
     {
         WWW_CHECK(request.GetPostParams().Has("id"), "POST parameter 'id' is not specified");
-        const TString& id = request.GetPostParams().Get("id"); 
+        const TString& id = request.GetPostParams().Get("id");
         bool ui = (request.GetParams().Get("ui") == "y");
         TDuration timeout = GetGetTimeout(request);
         if (!CheckAdHocTrace(id, timeout)) {
             NLWTrace::TQuery query;
-            TString queryStr = request.GetPostParams().Get("query"); 
+            TString queryStr = request.GetPostParams().Get("query");
             if (!ui) {
                 queryStr = Base64Decode(queryStr); // Needed for trace.sh (historically)
             }
@@ -4565,7 +4565,7 @@ private:
     void PostDelete(const NMonitoring::IMonHttpRequest& request, IOutputStream& out)
     {
         WWW_CHECK(request.GetPostParams().Has("id"), "POST parameter 'id' is not specified");
-        const TString& id = request.GetPostParams().Get("id"); 
+        const TString& id = request.GetPostParams().Get("id");
         bool ui = (request.GetParams().Get("ui") == "y");
         TraceMngr->Delete(id);
         Cleaner.Forget(id);
@@ -4592,14 +4592,14 @@ private:
     void PostSnapshot(const NMonitoring::IMonHttpRequest& request, IOutputStream& out)
     {
         WWW_CHECK(request.GetPostParams().Has("id"), "POST parameter 'id' is not specified");
-        const TString& id = request.GetPostParams().Get("id"); 
+        const TString& id = request.GetPostParams().Get("id");
         bool ui = (request.GetParams().Get("ui") == "y");
         TInstant now = TInstant::Now();
 
         TGuard<TMutex> g(SnapshotsMtx);
         const NLWTrace::TSession* trace = TraceMngr->GetTrace(id);
         struct tm tm0;
-        TString sid = id + Strftime("_%Y%m%d-%H%M%S", now.GmTime(&tm0)); 
+        TString sid = id + Strftime("_%Y%m%d-%H%M%S", now.GmTime(&tm0));
         TAtomicSharedPtr<NLWTrace::TLogPb>& pbPtr = Snapshots[sid];
         pbPtr.Reset(new NLWTrace::TLogPb());
         trace->ToProtobuf(*pbPtr);
@@ -4627,7 +4627,7 @@ private:
     void PostSetTimeout(const NMonitoring::IMonHttpRequest& request, IOutputStream& out)
     {
         WWW_CHECK(request.GetPostParams().Has("id"), "POST parameter 'id' is not specified");
-        const TString& id = request.GetPostParams().Get("id"); 
+        const TString& id = request.GetPostParams().Get("id");
         TDuration timeout = GetGetTimeout(request);
         bool ui = (request.GetParams().Get("ui") == "y");
         Cleaner.Postpone(id, timeout, true);
@@ -4657,7 +4657,7 @@ private:
 
 private:
     // Returns true iff trace is ad-hoc and ensures trace is created
-    bool CheckAdHocTrace(const TString& id, TDuration timeout) 
+    bool CheckAdHocTrace(const TString& id, TDuration timeout)
     {
         TAdHocTraceConfig cfg;
         if (cfg.ParseId(id)) {
diff --git a/library/cpp/lwtrace/signature.h b/library/cpp/lwtrace/signature.h
index cc11a93536..868bd9bcf2 100644
--- a/library/cpp/lwtrace/signature.h
+++ b/library/cpp/lwtrace/signature.h
@@ -5,7 +5,7 @@
 #include <library/cpp/lwtrace/protos/lwtrace.pb.h>
 
 #include <util/generic/cast.h>
-#include <util/generic/string.h> 
+#include <util/generic/string.h>
 #include <util/generic/typetraits.h>
 #include <util/string/builder.h>
 #include <util/string/cast.h>
diff --git a/library/cpp/lwtrace/stderr_writer.cpp b/library/cpp/lwtrace/stderr_writer.cpp
index 92f05dfdbf..6e5654c338 100644
--- a/library/cpp/lwtrace/stderr_writer.cpp
+++ b/library/cpp/lwtrace/stderr_writer.cpp
@@ -5,7 +5,7 @@
 using namespace NLWTrace;
 
 bool TStderrActionExecutor::DoExecute(TOrbit&, const TParams& params) {
-    TString ParamValues[LWTRACE_MAX_PARAMS]; 
+    TString ParamValues[LWTRACE_MAX_PARAMS];
     Probe->Event.Signature.SerializeParams(params, ParamValues);
 
     TStringStream ss;
diff --git a/library/cpp/lwtrace/symbol.cpp b/library/cpp/lwtrace/symbol.cpp
index b1840d5774..456652bcd0 100644
--- a/library/cpp/lwtrace/symbol.cpp
+++ b/library/cpp/lwtrace/symbol.cpp
@@ -5,11 +5,11 @@
 
 template <>
 NLWTrace::TSymbol FromStringImpl(const char*, size_t) {
-    static TString err("ERROR_dynamic_symbol"); 
+    static TString err("ERROR_dynamic_symbol");
     return NLWTrace::TSymbol(&err);
 }
 
 template <>
 void Out<NLWTrace::TSymbol>(IOutputStream& o, TTypeTraits<NLWTrace::TSymbol>::TFuncParam t) {
-    Out<TString>(o, *t.Str); 
+    Out<TString>(o, *t.Str);
 }
diff --git a/library/cpp/lwtrace/symbol.h b/library/cpp/lwtrace/symbol.h
index 76cbee7c01..ef9e6cdf94 100644
--- a/library/cpp/lwtrace/symbol.h
+++ b/library/cpp/lwtrace/symbol.h
@@ -1,6 +1,6 @@
 #pragma once
 
-#include <util/generic/string.h> 
+#include <util/generic/string.h>
 #include <util/string/builder.h>
 #include <util/system/src_location.h>
 
@@ -17,7 +17,7 @@
 
 #define LWTRACE_LOCATION_SYMBOL                                                          \
     [](const char* func) {                                                               \
-        static TString _holder(TStringBuilder() << func << " (" << __LOCATION__ << ")"); \ 
+        static TString _holder(TStringBuilder() << func << " (" << __LOCATION__ << ")"); \
         return ::NLWTrace::TSymbol(&_holder);                                            \
     }(Y_FUNC_SIGNATURE) /**/
 
diff --git a/library/cpp/lwtrace/tests/trace_tests.cpp b/library/cpp/lwtrace/tests/trace_tests.cpp
index 8d3c65f48c..6762e344a7 100644
--- a/library/cpp/lwtrace/tests/trace_tests.cpp
+++ b/library/cpp/lwtrace/tests/trace_tests.cpp
@@ -16,7 +16,7 @@
     PROBE(SymbolParam, GROUPS("Group"), TYPES(NLWTrace::TSymbol), NAMES("symbol"))                           \
     PROBE(CheckParam, GROUPS("Group"), TYPES(NLWTrace::TCheck), NAMES("value"))                              \
     EVENT(TwoParamsEvent, GROUPS("Group"), TYPES(int, TString), NAMES("param1", "param2"))                   \
-    EVENT(TwoParamsCheckEvent, GROUPS("Group"), TYPES(NLWTrace::TCheck, TString), NAMES("param1", "param2")) \ 
+    EVENT(TwoParamsCheckEvent, GROUPS("Group"), TYPES(NLWTrace::TCheck, TString), NAMES("param1", "param2")) \
     /**/
 
 LWTRACE_DECLARE_PROVIDER(LWTRACE_TESTS_PROVIDER)
diff --git a/library/cpp/messagebus/acceptor_status.cpp b/library/cpp/messagebus/acceptor_status.cpp
index e9818e03d3..5006ff68ae 100644
--- a/library/cpp/messagebus/acceptor_status.cpp
+++ b/library/cpp/messagebus/acceptor_status.cpp
@@ -40,7 +40,7 @@ TAcceptorStatus& TAcceptorStatus::operator+=(const TAcceptorStatus& that) {
     return *this;
 }
 
-TString TAcceptorStatus::PrintToString() const { 
+TString TAcceptorStatus::PrintToString() const {
     TStringStream ss;
 
     if (!Summary) {
diff --git a/library/cpp/messagebus/actor/executor.cpp b/library/cpp/messagebus/actor/executor.cpp
index eaf0751709..7a2227a458 100644
--- a/library/cpp/messagebus/actor/executor.cpp
+++ b/library/cpp/messagebus/actor/executor.cpp
@@ -249,11 +249,11 @@ ui32 TExecutor::GetMaxQueueSizeAndClear() const {
     return max;
 }
 
-TString TExecutor::GetStatus() const { 
+TString TExecutor::GetStatus() const {
     return GetStatusRecordInternal().Status;
 }
 
-TString TExecutor::GetStatusSingleLine() const { 
+TString TExecutor::GetStatusSingleLine() const {
     TStringStream ss;
     ss << "work items: " << GetWorkQueueSize();
     return ss.Str();
diff --git a/library/cpp/messagebus/actor/ring_buffer.h b/library/cpp/messagebus/actor/ring_buffer.h
index 937d8d5a3d..ec5706f7c7 100644
--- a/library/cpp/messagebus/actor/ring_buffer.h
+++ b/library/cpp/messagebus/actor/ring_buffer.h
@@ -14,7 +14,7 @@ private:
     ui32 Capacity;
     ui32 WritePos;
     ui32 ReadPos;
-    TVector<T> Data; 
+    TVector<T> Data;
 
     void StateCheck() const {
         Y_ASSERT(Capacity == Data.size());
@@ -39,7 +39,7 @@ private:
         }
         ui32 newCapacity = 1u << newCapacityPow;
         ui32 newCapacityMask = newCapacity - 1u;
-        TVector<T> newData(newCapacity); 
+        TVector<T> newData(newCapacity);
         ui32 oldSize = Size();
         // Copy old elements
         for (size_t i = 0; i < oldSize; ++i) {
diff --git a/library/cpp/messagebus/actor/temp_tls_vector.h b/library/cpp/messagebus/actor/temp_tls_vector.h
index 7d9fbce088..675d92f5b0 100644
--- a/library/cpp/messagebus/actor/temp_tls_vector.h
+++ b/library/cpp/messagebus/actor/temp_tls_vector.h
@@ -10,15 +10,15 @@ class TTempTlsVector {
 private:
     struct TTagForTls {};
 
-    TVectorType<T, std::allocator<T>>* Vector; 
+    TVectorType<T, std::allocator<T>>* Vector;
 
 public:
-    TVectorType<T, std::allocator<T>>* GetVector() { 
+    TVectorType<T, std::allocator<T>>* GetVector() {
         return Vector;
     }
 
     TTempTlsVector() {
-        Vector = FastTlsSingletonWithTag<TVectorType<T, std::allocator<T>>, TTagForTls>(); 
+        Vector = FastTlsSingletonWithTag<TVectorType<T, std::allocator<T>>, TTagForTls>();
         Y_ASSERT(Vector->empty());
     }
 
@@ -30,7 +30,7 @@ public:
         Vector->clear();
     }
 
-    size_t Capacity() const noexcept { 
+    size_t Capacity() const noexcept {
         return Vector->capacity();
     }
 
diff --git a/library/cpp/messagebus/actor/thread_extra.cpp b/library/cpp/messagebus/actor/thread_extra.cpp
index 826ae45670..048480f255 100644
--- a/library/cpp/messagebus/actor/thread_extra.cpp
+++ b/library/cpp/messagebus/actor/thread_extra.cpp
@@ -7,10 +7,10 @@
 
 namespace {
 #ifdef _linux_
-    TString GetExecName() { 
-        TString execPath = GetExecPath(); 
+    TString GetExecName() {
+        TString execPath = GetExecPath();
         size_t lastSlash = execPath.find_last_of('/');
-        if (lastSlash == TString::npos) { 
+        if (lastSlash == TString::npos) {
             return execPath;
         } else {
             return execPath.substr(lastSlash + 1);
diff --git a/library/cpp/messagebus/config/session_config.cpp b/library/cpp/messagebus/config/session_config.cpp
index 9b430033f3..fbbbb106c9 100644
--- a/library/cpp/messagebus/config/session_config.cpp
+++ b/library/cpp/messagebus/config/session_config.cpp
@@ -16,7 +16,7 @@ TBusSessionConfig::TBusSessionConfig()
 {
 }
 
-TString TBusSessionConfig::PrintToString() const { 
+TString TBusSessionConfig::PrintToString() const {
     TStringStream ss;
     BUS_SESSION_CONFIG_MAP(STRUCT_FIELD_PRINT, )
     return ss.Str();
@@ -66,7 +66,7 @@ static i64 ParseWithKmgSuffixS(const char* option) {
 }
 
 void TBusSessionConfig::ConfigureLastGetopt(NLastGetopt::TOpts& opts,
-                                            const TString& prefix) { 
+                                            const TString& prefix) {
     opts.AddLongOption(prefix + "total-timeout")
         .RequiredArgument("MILLISECONDS")
         .DefaultValue(ToString(TotalTimeout))
diff --git a/library/cpp/messagebus/config/session_config.h b/library/cpp/messagebus/config/session_config.h
index 2763a125f2..84753350a9 100644
--- a/library/cpp/messagebus/config/session_config.h
+++ b/library/cpp/messagebus/config/session_config.h
@@ -5,7 +5,7 @@
 
 #include <library/cpp/getopt/last_getopt.h>
 
-#include <util/generic/string.h> 
+#include <util/generic/string.h>
 
 namespace NBus {
 #define BUS_SESSION_CONFIG_MAP(XX, comma)                                                  \
diff --git a/library/cpp/messagebus/coreconn.h b/library/cpp/messagebus/coreconn.h
index 26e1dab675..fca228d82e 100644
--- a/library/cpp/messagebus/coreconn.h
+++ b/library/cpp/messagebus/coreconn.h
@@ -13,7 +13,7 @@
 #include <util/generic/list.h>
 #include <util/generic/map.h>
 #include <util/generic/set.h>
-#include <util/generic/string.h> 
+#include <util/generic/string.h>
 #include <util/generic/vector.h>
 #include <util/network/address.h>
 #include <util/network/ip.h>
diff --git a/library/cpp/messagebus/duration_histogram.h b/library/cpp/messagebus/duration_histogram.h
index 6b2f6a9bda..ed060b0101 100644
--- a/library/cpp/messagebus/duration_histogram.h
+++ b/library/cpp/messagebus/duration_histogram.h
@@ -2,7 +2,7 @@
 
 #include <util/datetime/base.h>
 #include <util/generic/bitops.h>
-#include <util/generic/string.h> 
+#include <util/generic/string.h>
 
 #include <array>
 
@@ -39,7 +39,7 @@ struct TDurationHistogram {
         return *this;
     }
 
-    static TString LabelBefore(unsigned i); 
+    static TString LabelBefore(unsigned i);
 
-    TString PrintToString() const; 
+    TString PrintToString() const;
 };
diff --git a/library/cpp/messagebus/event_loop.cpp b/library/cpp/messagebus/event_loop.cpp
index 009b5813a6..f685135bed 100644
--- a/library/cpp/messagebus/event_loop.cpp
+++ b/library/cpp/messagebus/event_loop.cpp
@@ -70,7 +70,7 @@ public:
     TChannelPtr Register(TSocket socket, TEventHandlerPtr eventHandler, void* cookie);
     void Unregister(SOCKET socket);
 
-    typedef THashMap<SOCKET, TChannelPtr> TData; 
+    typedef THashMap<SOCKET, TChannelPtr> TData;
 
     void AddToPoller(SOCKET socket, void* cookie, int flags);
 
diff --git a/library/cpp/messagebus/key_value_printer.cpp b/library/cpp/messagebus/key_value_printer.cpp
index 41c2a19f57..c8592145c7 100644
--- a/library/cpp/messagebus/key_value_printer.cpp
+++ b/library/cpp/messagebus/key_value_printer.cpp
@@ -2,7 +2,7 @@
 
 #include <util/stream/format.h>
 
-TKeyValuePrinter::TKeyValuePrinter(const TString& sep) 
+TKeyValuePrinter::TKeyValuePrinter(const TString& sep)
     : Sep(sep)
 {
 }
@@ -10,15 +10,15 @@ TKeyValuePrinter::TKeyValuePrinter(const TString& sep)
 TKeyValuePrinter::~TKeyValuePrinter() {
 }
 
-void TKeyValuePrinter::AddRowImpl(const TString& key, const TString& value, bool alignLeft) { 
+void TKeyValuePrinter::AddRowImpl(const TString& key, const TString& value, bool alignLeft) {
     Keys.push_back(key);
     Values.push_back(value);
     AlignLefts.push_back(alignLeft);
 }
 
-TString TKeyValuePrinter::PrintToString() const { 
+TString TKeyValuePrinter::PrintToString() const {
     if (Keys.empty()) {
-        return TString(); 
+        return TString();
     }
 
     size_t keyWidth = 0;
diff --git a/library/cpp/messagebus/key_value_printer.h b/library/cpp/messagebus/key_value_printer.h
index 82b63898ce..bca1fde50e 100644
--- a/library/cpp/messagebus/key_value_printer.h
+++ b/library/cpp/messagebus/key_value_printer.h
@@ -1,19 +1,19 @@
 #pragma once
 
-#include <util/generic/string.h> 
+#include <util/generic/string.h>
 #include <util/generic/typetraits.h>
 #include <util/generic/vector.h>
 #include <util/string/cast.h>
 
 class TKeyValuePrinter {
 private:
-    TString Sep; 
-    TVector<TString> Keys; 
-    TVector<TString> Values; 
-    TVector<bool> AlignLefts; 
+    TString Sep;
+    TVector<TString> Keys;
+    TVector<TString> Values;
+    TVector<bool> AlignLefts;
 
 public:
-    TKeyValuePrinter(const TString& sep = TString(": ")); 
+    TKeyValuePrinter(const TString& sep = TString(": "));
     ~TKeyValuePrinter();
 
     template <typename TKey, typename TValue>
@@ -21,8 +21,8 @@ public:
         return AddRowImpl(ToString(key), ToString(value), leftAlign);
     }
 
-    TString PrintToString() const; 
+    TString PrintToString() const;
 
 private:
-    void AddRowImpl(const TString& key, const TString& value, bool leftAlign); 
+    void AddRowImpl(const TString& key, const TString& value, bool leftAlign);
 };
diff --git a/library/cpp/messagebus/lfqueue_batch.h b/library/cpp/messagebus/lfqueue_batch.h
index eeb921dc7c..8128d3154d 100644
--- a/library/cpp/messagebus/lfqueue_batch.h
+++ b/library/cpp/messagebus/lfqueue_batch.h
@@ -8,7 +8,7 @@
 template <typename T, template <typename, class> class TVectorType = TVector>
 class TLockFreeQueueBatch {
 private:
-    TLockFreeStack<TVectorType<T, std::allocator<T>>*> Stack; 
+    TLockFreeStack<TVectorType<T, std::allocator<T>>*> Stack;
 
 public:
     bool IsEmpty() {
@@ -19,11 +19,11 @@ public:
         Stack.Enqueue(vec.Release());
     }
 
-    void DequeueAllSingleConsumer(TVectorType<T, std::allocator<T>>* r) { 
-        TTempTlsVector<TVectorType<T, std::allocator<T>>*> vs; 
+    void DequeueAllSingleConsumer(TVectorType<T, std::allocator<T>>* r) {
+        TTempTlsVector<TVectorType<T, std::allocator<T>>*> vs;
         Stack.DequeueAllSingleConsumer(vs.GetVector());
 
-        for (typename TVector<TVectorType<T, std::allocator<T>>*>::reverse_iterator i = vs.GetVector()->rbegin(); 
+        for (typename TVector<TVectorType<T, std::allocator<T>>*>::reverse_iterator i = vs.GetVector()->rbegin();
              i != vs.GetVector()->rend(); ++i) {
             if (i == vs.GetVector()->rend()) {
                 r->swap(**i);
diff --git a/library/cpp/messagebus/lfqueue_batch_ut.cpp b/library/cpp/messagebus/lfqueue_batch_ut.cpp
index dac7013343..f80434c0d4 100644
--- a/library/cpp/messagebus/lfqueue_batch_ut.cpp
+++ b/library/cpp/messagebus/lfqueue_batch_ut.cpp
@@ -12,7 +12,7 @@ Y_UNIT_TEST_SUITE(TLockFreeQueueBatch) {
             q.EnqueueAll(v);
         }
 
-        TVector<unsigned> r; 
+        TVector<unsigned> r;
         q.DequeueAllSingleConsumer(&r);
 
         UNIT_ASSERT_VALUES_EQUAL(2u, r.size());
@@ -41,7 +41,7 @@ Y_UNIT_TEST_SUITE(TLockFreeQueueBatch) {
             q.EnqueueAll(v);
         }
 
-        TVector<unsigned> r; 
+        TVector<unsigned> r;
         q.DequeueAllSingleConsumer(&r);
 
         UNIT_ASSERT_VALUES_EQUAL(5u, r.size());
diff --git a/library/cpp/messagebus/local_flags.cpp b/library/cpp/messagebus/local_flags.cpp
index 6725d9b0c0..877e533f76 100644
--- a/library/cpp/messagebus/local_flags.cpp
+++ b/library/cpp/messagebus/local_flags.cpp
@@ -6,7 +6,7 @@
 using namespace NBus;
 using namespace NBus::NPrivate;
 
-TString NBus::NPrivate::LocalFlagSetToString(ui32 flags0) { 
+TString NBus::NPrivate::LocalFlagSetToString(ui32 flags0) {
     if (flags0 == 0) {
         return "0";
     }
diff --git a/library/cpp/messagebus/local_flags.h b/library/cpp/messagebus/local_flags.h
index 65c113a63f..f589283188 100644
--- a/library/cpp/messagebus/local_flags.h
+++ b/library/cpp/messagebus/local_flags.h
@@ -2,7 +2,7 @@
 
 #include <library/cpp/deprecated/enum_codegen/enum_codegen.h>
 
-#include <util/generic/string.h> 
+#include <util/generic/string.h>
 #include <util/stream/output.h>
 
 namespace NBus {
diff --git a/library/cpp/messagebus/mb_lwtrace.h b/library/cpp/messagebus/mb_lwtrace.h
index 597a02e7a6..e62728b265 100644
--- a/library/cpp/messagebus/mb_lwtrace.h
+++ b/library/cpp/messagebus/mb_lwtrace.h
@@ -5,7 +5,7 @@
 #include <util/generic/string.h>
 
 #define LWTRACE_MESSAGEBUS_PROVIDER(PROBE, EVENT, GROUPS, TYPES, NAMES)                                          \
-    PROBE(Error, GROUPS("MessagebusRare"), TYPES(TString, TString, TString), NAMES("status", "address", "misc")) \ 
+    PROBE(Error, GROUPS("MessagebusRare"), TYPES(TString, TString, TString), NAMES("status", "address", "misc")) \
     PROBE(ServerUnknownVersion, GROUPS("MessagebusRare"), TYPES(TString, ui32), NAMES("address", "version"))     \
     PROBE(Accepted, GROUPS("MessagebusRare"), TYPES(TString), NAMES("address"))                                  \
     PROBE(Disconnected, GROUPS("MessagebusRare"), TYPES(TString), NAMES("address"))                              \
diff --git a/library/cpp/messagebus/message.h b/library/cpp/messagebus/message.h
index dee829a617..005ca10c65 100644
--- a/library/cpp/messagebus/message.h
+++ b/library/cpp/messagebus/message.h
@@ -9,7 +9,7 @@
 #include <util/generic/array_ref.h>
 #include <util/generic/noncopyable.h>
 #include <util/generic/ptr.h>
-#include <util/generic/string.h> 
+#include <util/generic/string.h>
 #include <util/system/defaults.h>
 #include <util/system/type_name.h>
 #include <util/system/yassert.h>
diff --git a/library/cpp/messagebus/message_counter.cpp b/library/cpp/messagebus/message_counter.cpp
index c2e31b77ca..04d9343f6a 100644
--- a/library/cpp/messagebus/message_counter.cpp
+++ b/library/cpp/messagebus/message_counter.cpp
@@ -23,7 +23,7 @@ TMessageCounter& TMessageCounter::operator+=(const TMessageCounter& that) {
     return *this;
 }
 
-TString TMessageCounter::ToString(bool reader) const { 
+TString TMessageCounter::ToString(bool reader) const {
     if (reader) {
         Y_ASSERT(CountCompressionRequests == 0);
     }
diff --git a/library/cpp/messagebus/message_status_counter.cpp b/library/cpp/messagebus/message_status_counter.cpp
index d76732efca..891c8f5bb2 100644
--- a/library/cpp/messagebus/message_status_counter.cpp
+++ b/library/cpp/messagebus/message_status_counter.cpp
@@ -21,7 +21,7 @@ TMessageStatusCounter& TMessageStatusCounter::operator+=(const TMessageStatusCou
     return *this;
 }
 
-TString TMessageStatusCounter::PrintToString() const { 
+TString TMessageStatusCounter::PrintToString() const {
     TStringStream ss;
     TKeyValuePrinter p;
     bool hasNonZeros = false;
diff --git a/library/cpp/messagebus/message_status_counter.h b/library/cpp/messagebus/message_status_counter.h
index 7288d62455..e8ba2fdd31 100644
--- a/library/cpp/messagebus/message_status_counter.h
+++ b/library/cpp/messagebus/message_status_counter.h
@@ -4,7 +4,7 @@
 
 #include <library/cpp/messagebus/monitoring/mon_proto.pb.h>
 
-#include <util/generic/string.h> 
+#include <util/generic/string.h>
 
 #include <array>
 
diff --git a/library/cpp/messagebus/messqueue.cpp b/library/cpp/messagebus/messqueue.cpp
index cc9b53391b..3474d62705 100644
--- a/library/cpp/messagebus/messqueue.cpp
+++ b/library/cpp/messagebus/messqueue.cpp
@@ -36,7 +36,7 @@ TBusMessageQueuePtr NBus::CreateMessageQueue(const char* name) {
 }
 
 namespace {
-    TBusQueueConfig QueueConfigFillDefaults(const TBusQueueConfig& orig, const TString& name) { 
+    TBusQueueConfig QueueConfigFillDefaults(const TBusQueueConfig& orig, const TString& name) {
         TBusQueueConfig patched = orig;
         if (!patched.Name) {
             patched.Name = name;
@@ -85,15 +85,15 @@ TBusMessageQueueStatus TBusMessageQueue::GetStatusRecordInternal() const {
     return r;
 }
 
-TString TBusMessageQueue::GetStatusSelf() const { 
+TString TBusMessageQueue::GetStatusSelf() const {
     return GetStatusRecordInternal().PrintToString();
 }
 
-TString TBusMessageQueue::GetStatusSingleLine() const { 
+TString TBusMessageQueue::GetStatusSingleLine() const {
     return WorkQueue->GetStatusSingleLine();
 }
 
-TString TBusMessageQueue::GetStatus(ui16 flags) const { 
+TString TBusMessageQueue::GetStatus(ui16 flags) const {
     TStringStream ss;
 
     ss << GetStatusSelf();
@@ -193,6 +193,6 @@ void TBusMessageQueue::Schedule(IScheduleItemAutoPtr i) {
     Scheduler.Schedule(i);
 }
 
-TString TBusMessageQueue::GetNameInternal() const { 
+TString TBusMessageQueue::GetNameInternal() const {
     return Config.Name;
 }
diff --git a/library/cpp/messagebus/misc/granup.h b/library/cpp/messagebus/misc/granup.h
index d0bc621276..36ecfebc93 100644
--- a/library/cpp/messagebus/misc/granup.h
+++ b/library/cpp/messagebus/misc/granup.h
@@ -11,7 +11,7 @@ namespace NBus {
     public:
         TGranUp(TDuration gran)
             : Gran(gran)
-            , Next(TInstant::MicroSeconds(0)) 
+            , Next(TInstant::MicroSeconds(0))
         {
         }
 
diff --git a/library/cpp/messagebus/network.cpp b/library/cpp/messagebus/network.cpp
index eb034fc149..304bedae5a 100644
--- a/library/cpp/messagebus/network.cpp
+++ b/library/cpp/messagebus/network.cpp
@@ -94,7 +94,7 @@ namespace {
 }
 
 std::pair<unsigned, TVector<TBindResult>> NBus::BindOnPort(int port, bool reusePort) {
-    std::pair<unsigned, TVector<TBindResult>> r; 
+    std::pair<unsigned, TVector<TBindResult>> r;
     r.second.reserve(2);
 
     if (port != 0) {
diff --git a/library/cpp/messagebus/network_ut.cpp b/library/cpp/messagebus/network_ut.cpp
index d7dc830ee0..f1798419db 100644
--- a/library/cpp/messagebus/network_ut.cpp
+++ b/library/cpp/messagebus/network_ut.cpp
@@ -40,7 +40,7 @@ Y_UNIT_TEST_SUITE(Network) {
         TVector<TBindResult> r = BindOnPort(FixedPort, false).second;
         UNIT_ASSERT_VALUES_EQUAL(size_t(2), r.size());
 
-        for (TVector<TBindResult>::iterator i = r.begin(); i != r.end(); ++i) { 
+        for (TVector<TBindResult>::iterator i = r.begin(); i != r.end(); ++i) {
             UNIT_ASSERT_VALUES_EQUAL(i->Addr.GetPort(), GetSockPort(i->Socket->operator SOCKET()));
         }
     }
@@ -49,7 +49,7 @@ Y_UNIT_TEST_SUITE(Network) {
         TVector<TBindResult> r = BindOnPort(0, false).second;
         UNIT_ASSERT_VALUES_EQUAL(size_t(2), r.size());
 
-        for (TVector<TBindResult>::iterator i = r.begin(); i != r.end(); ++i) { 
+        for (TVector<TBindResult>::iterator i = r.begin(); i != r.end(); ++i) {
             UNIT_ASSERT_VALUES_EQUAL(i->Addr.GetPort(), GetSockPort(i->Socket->operator SOCKET()));
             UNIT_ASSERT(i->Addr.GetPort() > 0);
         }
diff --git a/library/cpp/messagebus/nondestroying_holder.h b/library/cpp/messagebus/nondestroying_holder.h
index af8d2ac6a3..f4725d696f 100644
--- a/library/cpp/messagebus/nondestroying_holder.h
+++ b/library/cpp/messagebus/nondestroying_holder.h
@@ -5,12 +5,12 @@
 template <typename T>
 class TNonDestroyingHolder: public THolder<T> {
 public:
-    TNonDestroyingHolder(T* t = nullptr) noexcept 
+    TNonDestroyingHolder(T* t = nullptr) noexcept
         : THolder<T>(t)
     {
     }
 
-    TNonDestroyingHolder(TAutoPtr<T> t) noexcept 
+    TNonDestroyingHolder(TAutoPtr<T> t) noexcept
         : THolder<T>(t)
     {
     }
@@ -23,17 +23,17 @@ public:
 template <class T>
 class TNonDestroyingAutoPtr: public TAutoPtr<T> {
 public:
-    inline TNonDestroyingAutoPtr(T* t = 0) noexcept 
+    inline TNonDestroyingAutoPtr(T* t = 0) noexcept
         : TAutoPtr<T>(t)
     {
     }
 
-    inline TNonDestroyingAutoPtr(const TAutoPtr<T>& t) noexcept 
+    inline TNonDestroyingAutoPtr(const TAutoPtr<T>& t) noexcept
         : TAutoPtr<T>(t.Release())
     {
     }
 
-    inline ~TNonDestroyingAutoPtr() { 
+    inline ~TNonDestroyingAutoPtr() {
         Y_VERIFY(!*this, "stored object must be explicitly released");
     }
 };
diff --git a/library/cpp/messagebus/oldmodule/module.cpp b/library/cpp/messagebus/oldmodule/module.cpp
index d29fe9d4a0..24bd778799 100644
--- a/library/cpp/messagebus/oldmodule/module.cpp
+++ b/library/cpp/messagebus/oldmodule/module.cpp
@@ -769,7 +769,7 @@ void TBusModuleImpl::AddJob(TJobRunner* jobRunner) {
 }
 
 void TBusModuleImpl::DestroyJob(TJobRunner* job) {
-    Y_ASSERT(job->JobStorageIterator != TList<TJobRunner*>::iterator()); 
+    Y_ASSERT(job->JobStorageIterator != TList<TJobRunner*>::iterator());
 
     {
         TWhatThreadDoesAcquireGuard<TMutex> G(Lock, "modules: acquiring lock for DestroyJob");
@@ -784,7 +784,7 @@ void TBusModuleImpl::DestroyJob(TJobRunner* job) {
         }
     }
 
-    job->JobStorageIterator = TList<TJobRunner*>::iterator(); 
+    job->JobStorageIterator = TList<TJobRunner*>::iterator();
 }
 
 void TBusModuleImpl::OnMessageReceived(TAutoPtr<TBusMessage> msg0, TOnMessageContext& context) {
diff --git a/library/cpp/messagebus/queue_config.cpp b/library/cpp/messagebus/queue_config.cpp
index d8f7b4eb22..78fb52ee49 100644
--- a/library/cpp/messagebus/queue_config.cpp
+++ b/library/cpp/messagebus/queue_config.cpp
@@ -15,7 +15,7 @@ void TBusQueueConfig::ConfigureLastGetopt(
         .StoreResult(&NumWorkers);
 }
 
-TString TBusQueueConfig::PrintToString() const { 
+TString TBusQueueConfig::PrintToString() const {
     TStringStream ss;
     ss << "NumWorkers=" << NumWorkers << "\n";
     return ss.Str();
diff --git a/library/cpp/messagebus/rain_check/core/task.cpp b/library/cpp/messagebus/rain_check/core/task.cpp
index eeed343dc9..a098437d53 100644
--- a/library/cpp/messagebus/rain_check/core/task.cpp
+++ b/library/cpp/messagebus/rain_check/core/task.cpp
@@ -207,7 +207,7 @@ ITaskBase* TTaskRunnerBase::CurrentTaskImpl() {
     return CurrentTask()->GetImplBase();
 }
 
-TString TTaskRunnerBase::GetStatusSingleLine() { 
+TString TTaskRunnerBase::GetStatusSingleLine() {
     return TypeName(*Impl);
 }
 
diff --git a/library/cpp/messagebus/rain_check/core/task.h b/library/cpp/messagebus/rain_check/core/task.h
index 4e8925966c..7d8778bcda 100644
--- a/library/cpp/messagebus/rain_check/core/task.h
+++ b/library/cpp/messagebus/rain_check/core/task.h
@@ -144,7 +144,7 @@ namespace NRainCheck {
         bool SetDoneCalled;
 
         // Subtasks currently executed.
-        TVector<TSubtaskCompletion*> Pending; 
+        TVector<TSubtaskCompletion*> Pending;
 
         void Act(NActor::TDefaultTag);
 
@@ -158,7 +158,7 @@ namespace NRainCheck {
         static TTaskRunnerBase* CurrentTask();
         static ITaskBase* CurrentTaskImpl();
 
-        TString GetStatusSingleLine(); 
+        TString GetStatusSingleLine();
 
     protected:
         //void RetainRef();
diff --git a/library/cpp/messagebus/rain_check/core/track.cpp b/library/cpp/messagebus/rain_check/core/track.cpp
index b2efe796b0..092a51a214 100644
--- a/library/cpp/messagebus/rain_check/core/track.cpp
+++ b/library/cpp/messagebus/rain_check/core/track.cpp
@@ -7,7 +7,7 @@ void TTaskTrackerReceipt::SetDone() {
     TaskTracker->GetQueue<TTaskTrackerReceipt*>()->EnqueueAndSchedule(this);
 }
 
-TString TTaskTrackerReceipt::GetStatusSingleLine() { 
+TString TTaskTrackerReceipt::GetStatusSingleLine() {
     return Task->GetStatusSingleLine();
 }
 
diff --git a/library/cpp/messagebus/rain_check/core/track.h b/library/cpp/messagebus/rain_check/core/track.h
index 77ca882679..d387de7574 100644
--- a/library/cpp/messagebus/rain_check/core/track.h
+++ b/library/cpp/messagebus/rain_check/core/track.h
@@ -31,7 +31,7 @@ namespace NRainCheck {
 
             void SetDone() override;
 
-            TString GetStatusSingleLine(); 
+            TString GetStatusSingleLine();
         };
 
         struct TTaskTrackerStatus {
diff --git a/library/cpp/messagebus/rain_check/http/client.h b/library/cpp/messagebus/rain_check/http/client.h
index 5daa4aec63..d4199c4c98 100644
--- a/library/cpp/messagebus/rain_check/http/client.h
+++ b/library/cpp/messagebus/rain_check/http/client.h
@@ -6,7 +6,7 @@
 
 #include <util/generic/maybe.h>
 #include <util/generic/ptr.h>
-#include <util/generic/string.h> 
+#include <util/generic/string.h>
 #include <util/system/defaults.h>
 #include <util/system/yassert.h>
 
diff --git a/library/cpp/messagebus/rain_check/http/client_ut.cpp b/library/cpp/messagebus/rain_check/http/client_ut.cpp
index 0dc01ef18a..1628114391 100644
--- a/library/cpp/messagebus/rain_check/http/client_ut.cpp
+++ b/library/cpp/messagebus/rain_check/http/client_ut.cpp
@@ -13,7 +13,7 @@
 #include <util/generic/cast.h>
 #include <util/generic/ptr.h>
 #include <util/generic/strbuf.h>
-#include <util/generic/string.h> 
+#include <util/generic/string.h>
 #include <util/generic/vector.h>
 #include <util/network/ip.h>
 #include <util/stream/str.h>
diff --git a/library/cpp/messagebus/remote_client_session.cpp b/library/cpp/messagebus/remote_client_session.cpp
index da6a2b3b09..3bc421944f 100644
--- a/library/cpp/messagebus/remote_client_session.cpp
+++ b/library/cpp/messagebus/remote_client_session.cpp
@@ -60,7 +60,7 @@ EMessageStatus TRemoteClientSession::SendMessageOneWay(TBusMessage* pMes, const
     return SendMessageImpl(pMes, addr, wait, true);
 }
 
-int TRemoteClientSession::GetInFlight() const noexcept { 
+int TRemoteClientSession::GetInFlight() const noexcept {
     return ClientRemoteInFlight.GetCurrent();
 }
 
diff --git a/library/cpp/messagebus/remote_connection_status.cpp b/library/cpp/messagebus/remote_connection_status.cpp
index 7fc4291573..2c48b2a287 100644
--- a/library/cpp/messagebus/remote_connection_status.cpp
+++ b/library/cpp/messagebus/remote_connection_status.cpp
@@ -47,7 +47,7 @@ TDurationCounter& TDurationCounter::operator+=(const TDurationCounter& that) {
     return *this;
 }
 
-TString TDurationCounter::ToString() const { 
+TString TDurationCounter::ToString() const {
     if (Count == 0) {
         return "0";
     } else {
@@ -154,7 +154,7 @@ TConnectionStatusMonRecord TRemoteConnectionStatus::GetStatusProtobuf() const {
     return status;
 }
 
-TString TRemoteConnectionStatus::PrintToString() const { 
+TString TRemoteConnectionStatus::PrintToString() const {
     TStringStream ss;
 
     TKeyValuePrinter p;
@@ -231,7 +231,7 @@ TRemoteConnectionStatus::TRemoteConnectionStatus()
 {
 }
 
-TString TSessionDumpStatus::PrintToString() const { 
+TString TSessionDumpStatus::PrintToString() const {
     if (Shutdown) {
         return "shutdown";
     }
diff --git a/library/cpp/messagebus/remote_server_session.cpp b/library/cpp/messagebus/remote_server_session.cpp
index 66deb7de31..6abbf88a60 100644
--- a/library/cpp/messagebus/remote_server_session.cpp
+++ b/library/cpp/messagebus/remote_server_session.cpp
@@ -130,7 +130,7 @@ EMessageStatus TRemoteServerSession::SendReply(const TBusIdentity& ident, TBusMe
     return MESSAGE_OK;
 }
 
-int TRemoteServerSession::GetInFlight() const noexcept { 
+int TRemoteServerSession::GetInFlight() const noexcept {
     return ServerOwnedMessages.GetCurrentCount();
 }
 
diff --git a/library/cpp/messagebus/session.h b/library/cpp/messagebus/session.h
index f9340a380b..fb12ab7c22 100644
--- a/library/cpp/messagebus/session.h
+++ b/library/cpp/messagebus/session.h
@@ -126,7 +126,7 @@ namespace NBus {
             IBusServerHandler* handler,
             const TBusServerSessionConfig& config,
             TBusMessageQueuePtr queue,
-            const TVector<TBindResult>& bindTo); 
+            const TVector<TBindResult>& bindTo);
 
         // TODO: make parameter non-const
         virtual EMessageStatus SendReply(const TBusIdentity& ident, TBusMessage* pRep) = 0;
diff --git a/library/cpp/messagebus/session_impl.cpp b/library/cpp/messagebus/session_impl.cpp
index 809e1c170f..ddf9f360c4 100644
--- a/library/cpp/messagebus/session_impl.cpp
+++ b/library/cpp/messagebus/session_impl.cpp
@@ -52,7 +52,7 @@ struct TBusSessionImpl::TImpl {
 };
 
 namespace {
-    TBusSessionConfig SessionConfigFillDefaults(const TBusSessionConfig& config, const TString& name) { 
+    TBusSessionConfig SessionConfigFillDefaults(const TBusSessionConfig& config, const TString& name) {
         TBusSessionConfig copy = config;
         if (copy.TotalTimeout == 0 && copy.SendTimeout == 0) {
             copy.TotalTimeout = TDuration::Seconds(60).MilliSeconds();
@@ -154,7 +154,7 @@ void TBusSessionImpl::Shutdown() {
 
     // shutdown acceptors before connections
     // so they won't create more connections
-    TVector<TAcceptorPtr> acceptors; 
+    TVector<TAcceptorPtr> acceptors;
     GetAcceptors(&acceptors);
     {
         TGuard<TMutex> guard(ConnectionsLock);
@@ -166,7 +166,7 @@ void TBusSessionImpl::Shutdown() {
     }
 
     // shutdown connections
-    TVector<TRemoteConnectionPtr> cs; 
+    TVector<TRemoteConnectionPtr> cs;
     GetConnections(&cs);
 
     for (auto& c : cs) {
@@ -241,7 +241,7 @@ TSessionDumpStatus TBusSessionImpl::GetStatusRecordInternal() {
     return StatusData.StatusDumpCached;
 }
 
-TString TBusSessionImpl::GetStatus(ui16 flags) { 
+TString TBusSessionImpl::GetStatus(ui16 flags) {
     Y_UNUSED(flags);
 
     return GetStatusRecordInternal().PrintToString();
@@ -256,7 +256,7 @@ TConnectionStatusMonRecord TBusSessionImpl::GetStatusProtobuf() {
     return StatusData.StatusDumpCached.ConnectionStatusSummary.GetStatusProtobuf();
 }
 
-TString TBusSessionImpl::GetStatusSingleLine() { 
+TString TBusSessionImpl::GetStatusSingleLine() {
     TSessionDumpStatus status = GetStatusRecordInternal();
 
     TStringStream ss;
@@ -308,7 +308,7 @@ void TBusSessionImpl::ProcessItem(TConnectionTag, TRemoveTag, TRemoteConnectionP
         }
     }
 
-    THashMap<ui64, TRemoteConnectionPtr>::iterator it2 = ConnectionsById.find(c->ConnectionId); 
+    THashMap<ui64, TRemoteConnectionPtr>::iterator it2 = ConnectionsById.find(c->ConnectionId);
     if (it2 != ConnectionsById.end()) {
         ConnectionsById.erase(it2);
     }
@@ -317,12 +317,12 @@ void TBusSessionImpl::ProcessItem(TConnectionTag, TRemoveTag, TRemoteConnectionP
 }
 
 void TBusSessionImpl::ProcessConnectionsAcceptorsShapshotQueueItem(TAtomicSharedPtr<TConnectionsAcceptorsSnapshot> snapshot) {
-    for (TVector<TRemoteConnectionPtr>::const_iterator connection = snapshot->Connections.begin(); 
+    for (TVector<TRemoteConnectionPtr>::const_iterator connection = snapshot->Connections.begin();
          connection != snapshot->Connections.end(); ++connection) {
         Y_ASSERT((*connection)->ConnectionId <= snapshot->LastConnectionId);
     }
 
-    for (TVector<TAcceptorPtr>::const_iterator acceptor = snapshot->Acceptors.begin(); 
+    for (TVector<TAcceptorPtr>::const_iterator acceptor = snapshot->Acceptors.begin();
          acceptor != snapshot->Acceptors.end(); ++acceptor) {
         Y_ASSERT((*acceptor)->AcceptorId <= snapshot->LastAcceptorId);
     }
@@ -355,7 +355,7 @@ void TBusSessionImpl::StatusUpdateCachedDump() {
     {
         TStringStream ss;
 
-        TString name = Config.Name; 
+        TString name = Config.Name;
         if (!name) {
             name = "unnamed";
         }
@@ -373,8 +373,8 @@ void TBusSessionImpl::StatusUpdateCachedDump() {
         r.Head = ss.Str();
     }
 
-    TVector<TRemoteConnectionPtr>& connections = StatusData.ConnectionsAcceptorsSnapshot->Connections; 
-    TVector<TAcceptorPtr>& acceptors = StatusData.ConnectionsAcceptorsSnapshot->Acceptors; 
+    TVector<TRemoteConnectionPtr>& connections = StatusData.ConnectionsAcceptorsSnapshot->Connections;
+    TVector<TAcceptorPtr>& acceptors = StatusData.ConnectionsAcceptorsSnapshot->Acceptors;
 
     r.ConnectionStatusSummary = TRemoteConnectionStatus();
     r.ConnectionStatusSummary.Summary = true;
@@ -387,7 +387,7 @@ void TBusSessionImpl::StatusUpdateCachedDump() {
     {
         TStringStream ss;
 
-        for (TVector<TAcceptorPtr>::const_iterator acceptor = acceptors.begin(); 
+        for (TVector<TAcceptorPtr>::const_iterator acceptor = acceptors.begin();
              acceptor != acceptors.end(); ++acceptor) {
             const TAcceptorStatus status = (*acceptor)->GranStatus.Listen.Get();
 
@@ -405,7 +405,7 @@ void TBusSessionImpl::StatusUpdateCachedDump() {
     {
         TStringStream ss;
 
-        for (TVector<TRemoteConnectionPtr>::const_iterator connection = connections.begin(); 
+        for (TVector<TRemoteConnectionPtr>::const_iterator connection = connections.begin();
              connection != connections.end(); ++connection) {
             if (connection != connections.begin()) {
                 ss << "\n";
@@ -544,17 +544,17 @@ void TBusSessionImpl::InsertAcceptorLockAcquired(TAcceptor* acceptor) {
     SendSnapshotToStatusActor();
 }
 
-void TBusSessionImpl::GetConnections(TVector<TRemoteConnectionPtr>* r) { 
+void TBusSessionImpl::GetConnections(TVector<TRemoteConnectionPtr>* r) {
     TConnectionsGuard guard(ConnectionsLock);
     GetConnectionsLockAquired(r);
 }
 
-void TBusSessionImpl::GetAcceptors(TVector<TAcceptorPtr>* r) { 
+void TBusSessionImpl::GetAcceptors(TVector<TAcceptorPtr>* r) {
     TConnectionsGuard guard(ConnectionsLock);
     GetAcceptorsLockAquired(r);
 }
 
-void TBusSessionImpl::GetConnectionsLockAquired(TVector<TRemoteConnectionPtr>* r) { 
+void TBusSessionImpl::GetConnectionsLockAquired(TVector<TRemoteConnectionPtr>* r) {
     //Y_ASSERT(ConnectionsLock.IsLocked());
 
     r->reserve(Connections.size());
@@ -564,7 +564,7 @@ void TBusSessionImpl::GetConnectionsLockAquired(TVector<TRemoteConnectionPtr>* r
     }
 }
 
-void TBusSessionImpl::GetAcceptorsLockAquired(TVector<TAcceptorPtr>* r) { 
+void TBusSessionImpl::GetAcceptorsLockAquired(TVector<TAcceptorPtr>* r) {
     //Y_ASSERT(ConnectionsLock.IsLocked());
 
     r->reserve(Acceptors.size());
@@ -577,7 +577,7 @@ void TBusSessionImpl::GetAcceptorsLockAquired(TVector<TAcceptorPtr>* r) {
 TRemoteConnectionPtr TBusSessionImpl::GetConnectionById(ui64 id) {
     TConnectionsGuard guard(ConnectionsLock);
 
-    THashMap<ui64, TRemoteConnectionPtr>::const_iterator it = ConnectionsById.find(id); 
+    THashMap<ui64, TRemoteConnectionPtr>::const_iterator it = ConnectionsById.find(id);
     if (it == ConnectionsById.end()) {
         return nullptr;
     } else {
@@ -623,7 +623,7 @@ TRemoteConnectionPtr TBusSessionImpl::GetConnection(const TBusSocketAddr& addr,
 }
 
 void TBusSessionImpl::Cron() {
-    TVector<TRemoteConnectionPtr> connections; 
+    TVector<TRemoteConnectionPtr> connections;
     GetConnections(&connections);
 
     for (const auto& it : connections) {
@@ -642,7 +642,7 @@ void TBusSessionImpl::Cron() {
     Queue->Schedule(IScheduleItemAutoPtr(new TScheduleSession(this, TInstant::Now() + Config.Secret.TimeoutPeriod)));
 }
 
-TString TBusSessionImpl::GetNameInternal() { 
+TString TBusSessionImpl::GetNameInternal() {
     if (!!Config.Name) {
         return Config.Name;
     }
diff --git a/library/cpp/messagebus/socket_addr_ut.cpp b/library/cpp/messagebus/socket_addr_ut.cpp
index 0b6a19efa1..783bb62a86 100644
--- a/library/cpp/messagebus/socket_addr_ut.cpp
+++ b/library/cpp/messagebus/socket_addr_ut.cpp
@@ -10,6 +10,6 @@ using namespace NBus::NPrivate;
 
 Y_UNIT_TEST_SUITE(TBusSocketAddr) {
     Y_UNIT_TEST(Simple) {
-        UNIT_ASSERT_VALUES_EQUAL(TString("127.0.0.1:80"), ToString(TBusSocketAddr("127.0.0.1", 80))); 
+        UNIT_ASSERT_VALUES_EQUAL(TString("127.0.0.1:80"), ToString(TBusSocketAddr("127.0.0.1", 80)));
     }
 }
diff --git a/library/cpp/messagebus/synchandler.cpp b/library/cpp/messagebus/synchandler.cpp
index ae69523ed9..8e891d66b3 100644
--- a/library/cpp/messagebus/synchandler.cpp
+++ b/library/cpp/messagebus/synchandler.cpp
@@ -186,7 +186,7 @@ const TBusClientSession* TBusSyncSourceSession::GetBusClientSessionWorkaroundDoN
     return Session.Get();
 }
 
-TBusSyncClientSessionPtr TBusMessageQueue::CreateSyncSource(TBusProtocol* proto, const TBusClientSessionConfig& config, bool needReply, const TString& name) { 
+TBusSyncClientSessionPtr TBusMessageQueue::CreateSyncSource(TBusProtocol* proto, const TBusClientSessionConfig& config, bool needReply, const TString& name) {
     TIntrusivePtr<TBusSyncSourceSessionImpl> session = new TBusSyncSourceSessionImpl(this, proto, config, needReply, name);
     Add(session.Get());
     return new TBusSyncSourceSession(session);
diff --git a/library/cpp/messagebus/test/helper/example.cpp b/library/cpp/messagebus/test/helper/example.cpp
index f5b21be799..7c6d704042 100644
--- a/library/cpp/messagebus/test/helper/example.cpp
+++ b/library/cpp/messagebus/test/helper/example.cpp
@@ -19,12 +19,12 @@ static void FillWithJunk(TArrayRef<char> data) {
     }
 }
 
-static TString JunkString(size_t len) { 
+static TString JunkString(size_t len) {
     TTempBuf temp(len);
     TArrayRef<char> tempArrayRef(temp.Data(), len);
     FillWithJunk(tempArrayRef);
 
-    return TString(tempArrayRef.data(), tempArrayRef.size()); 
+    return TString(tempArrayRef.data(), tempArrayRef.size());
 }
 
 TExampleRequest::TExampleRequest(TAtomic* counterPtr, size_t payloadSize)
diff --git a/library/cpp/messagebus/test/helper/hanging_server.h b/library/cpp/messagebus/test/helper/hanging_server.h
index f6b9af24e2..cc9fb274d8 100644
--- a/library/cpp/messagebus/test/helper/hanging_server.h
+++ b/library/cpp/messagebus/test/helper/hanging_server.h
@@ -6,7 +6,7 @@
 
 class THangingServer {
 private:
-    std::pair<unsigned, TVector<NBus::TBindResult>> BindResult; 
+    std::pair<unsigned, TVector<NBus::TBindResult>> BindResult;
 
 public:
     // listen on given port, and nothing else
diff --git a/library/cpp/messagebus/test/perftest/perftest.cpp b/library/cpp/messagebus/test/perftest/perftest.cpp
index dd2dd69e4d..8489319278 100644
--- a/library/cpp/messagebus/test/perftest/perftest.cpp
+++ b/library/cpp/messagebus/test/perftest/perftest.cpp
@@ -17,7 +17,7 @@
 #include <library/cpp/threading/future/legacy_future.h>
 
 #include <util/generic/ptr.h>
-#include <util/generic/string.h> 
+#include <util/generic/string.h>
 #include <util/generic/vector.h>
 #include <util/generic/yexception.h>
 #include <util/random/random.h>
@@ -76,7 +76,7 @@ struct TPerftestConfig {
 extern TPerftestConfig* TheConfig;
 extern bool TheExit;
 
-TVector<TNetAddr> ServerAddresses; 
+TVector<TNetAddr> ServerAddresses;
 
 struct TConfig {
     TBusQueueConfig ServerQueueConfig;
@@ -142,13 +142,13 @@ TAutoPtr<TBusMessage> NewRequest() {
         TAutoPtr<TPerftestRequest> r(new TPerftestRequest);
         r->SetCompressed(TheConfig->UseCompression);
         // TODO: use random content for better compression test
-        r->Record.SetData(TString(RequestSize(), '?')); 
+        r->Record.SetData(TString(RequestSize(), '?'));
         return r.Release();
     }
 }
 
 void CheckRequest(TPerftestRequest* request) {
-    const TString& data = request->Record.GetData(); 
+    const TString& data = request->Record.GetData();
     for (size_t i = 0; i != data.size(); ++i) {
         Y_VERIFY(data.at(i) == '?', "must be question mark");
     }
@@ -162,7 +162,7 @@ TAutoPtr<TPerftestResponse> NewResponse(TPerftestRequest* request) {
 }
 
 void CheckResponse(TPerftestResponse* response) {
-    const TString& data = response->Record.GetData(); 
+    const TString& data = response->Record.GetData();
     for (size_t i = 0; i != data.size(); ++i) {
         Y_VERIFY(data.at(i) == '.', "must be dot");
     }
@@ -237,7 +237,7 @@ public:
     TBusClientSessionPtr Session;
     THolder<TBusProtocol> Proto;
     TBusMessageQueuePtr Bus;
-    TVector<TBusClientConnectionPtr> Connections; 
+    TVector<TBusClientConnectionPtr> Connections;
 
 public:
     /// constructor creates instances of protocol and session
@@ -470,10 +470,10 @@ static TNetworkAddress ParseNetworkAddress(const char* string) {
     return TNetworkAddress(Name, Port);
 }
 
-TVector<TNetAddr> ParseNodes(const TString nodes) { 
-    TVector<TNetAddr> r; 
+TVector<TNetAddr> ParseNodes(const TString nodes) {
+    TVector<TNetAddr> r;
 
-    TVector<TString> hosts; 
+    TVector<TString> hosts;
 
     size_t numh = Split(nodes.data(), ",", hosts);
 
@@ -583,7 +583,7 @@ void TTestStats::PeriodicallyPrint() {
             stats << IndentText(client->Bus->GetStatus());
         }
 
-        TUnbufferedFileOutput("stats").Write(stats.Str()); 
+        TUnbufferedFileOutput("stats").Write(stats.Str());
     }
 }
 
diff --git a/library/cpp/messagebus/test/ut/locator_uniq_ut.cpp b/library/cpp/messagebus/test/ut/locator_uniq_ut.cpp
index a930e26dcd..3fdd175d73 100644
--- a/library/cpp/messagebus/test/ut/locator_uniq_ut.cpp
+++ b/library/cpp/messagebus/test/ut/locator_uniq_ut.cpp
@@ -31,7 +31,7 @@ void TLocatorRegisterUniqTest::TestRegister() {
     /// YBUS_KEYMIN YBUS_KEYMAX range
     UNIT_ASSERT(keys.size() == 1);
 
-    TVector<NBus::TNetAddr> hosts; 
+    TVector<NBus::TNetAddr> hosts;
     UNIT_ASSERT(locator.LocateAll(serviceName, NBus::YBUS_KEYMIN, hosts) == 1);
 
     locator.Register(serviceName, hostName, port);
diff --git a/library/cpp/messagebus/test/ut/messagebus_ut.cpp b/library/cpp/messagebus/test/ut/messagebus_ut.cpp
index 5bae0e7bb9..040f9b7702 100644
--- a/library/cpp/messagebus/test/ut/messagebus_ut.cpp
+++ b/library/cpp/messagebus/test/ut/messagebus_ut.cpp
@@ -311,7 +311,7 @@ Y_UNIT_TEST_SUITE(TMessageBusTests) {
         TSystemEvent MessageReceivedEvent; // 1 wait for 1 message
         TBusServerSessionPtr Session;
         TMutex Lock_;
-        TDeque<TAutoPtr<TOnMessageContext>> DelayedMessages; 
+        TDeque<TAutoPtr<TOnMessageContext>> DelayedMessages;
 
         TDelayReplyServer()
             : MessageReceivedEvent(TEventResetType::rAuto)
diff --git a/library/cpp/messagebus/www/concat_strings.h b/library/cpp/messagebus/www/concat_strings.h
index 86f6609c1d..7b730564eb 100644
--- a/library/cpp/messagebus/www/concat_strings.h
+++ b/library/cpp/messagebus/www/concat_strings.h
@@ -1,9 +1,9 @@
 #pragma once
 
-#include <util/generic/string.h> 
+#include <util/generic/string.h>
 #include <util/stream/str.h>
 
-// ATTN: not equivalent to TString::Join - cat concat anything "outputable" to stream, not only TString convertable types. 
+// ATTN: not equivalent to TString::Join - cat concat anything "outputable" to stream, not only TString convertable types.
 
 inline void DoConcatStrings(TStringStream&) {
 }
@@ -15,7 +15,7 @@ inline void DoConcatStrings(TStringStream& ss, const T& t, const R&... r) {
 }
 
 template <class... R>
-inline TString ConcatStrings(const R&... r) { 
+inline TString ConcatStrings(const R&... r) {
     TStringStream ss;
     DoConcatStrings(ss, r...);
     return ss.Str();
diff --git a/library/cpp/messagebus/www/html_output.h b/library/cpp/messagebus/www/html_output.h
index 551f0ba693..27e77adefa 100644
--- a/library/cpp/messagebus/www/html_output.h
+++ b/library/cpp/messagebus/www/html_output.h
@@ -29,7 +29,7 @@ struct THtmlOutputStreamPushPop {
 };
 
 struct TChars {
-    TString Text; 
+    TString Text;
     bool NeedEscape;
 
     TChars(TStringBuf text)
@@ -53,7 +53,7 @@ struct TChars {
     {
     }
 
-    TString Escape() { 
+    TString Escape() {
         if (NeedEscape) {
             return EncodeHtmlPcdata(Text);
         } else {
@@ -63,8 +63,8 @@ struct TChars {
 };
 
 struct TAttr {
-    TString Name; 
-    TString Value; 
+    TString Name;
+    TString Value;
 
     TAttr(TStringBuf name, TStringBuf value)
         : Name(name)
@@ -157,7 +157,7 @@ static inline void Small(TStringBuf text) {
 }
 
 static inline void HnWithSmall(unsigned n, TStringBuf title, TStringBuf small) {
-    TString tagName = ConcatStrings("h", n); 
+    TString tagName = ConcatStrings("h", n);
     Open(tagName);
     HtmlOutputStream() << title;
     Sp();
@@ -268,7 +268,7 @@ static inline void Code(TStringBuf content) {
 }
 
 struct TTagGuard {
-    const TString TagName; 
+    const TString TagName;
 
     TTagGuard(TStringBuf tagName, TStringBuf cssClass, TStringBuf id = "")
         : TagName(tagName)
diff --git a/library/cpp/messagebus/www/www.cpp b/library/cpp/messagebus/www/www.cpp
index a285a6367a..62ec241d85 100644
--- a/library/cpp/messagebus/www/www.cpp
+++ b/library/cpp/messagebus/www/www.cpp
@@ -48,7 +48,7 @@ namespace {
             return TValuePtr();
         }
 
-        TString FindNameByPtr(TValuePtr value) { 
+        TString FindNameByPtr(TValuePtr value) {
             Y_VERIFY(!!value);
 
             for (unsigned i = 0; i < Entries.size(); ++i) {
@@ -80,11 +80,11 @@ namespace {
             }
 
             for (unsigned i = 1;; ++i) {
-                TString prefix = p->GetNameInternal(); 
+                TString prefix = p->GetNameInternal();
                 if (!prefix) {
                     prefix = "unnamed";
                 }
-                TString name = ConcatStrings(prefix, "-", i); 
+                TString name = ConcatStrings(prefix, "-", i);
 
                 TValuePtr current = FindByName(name);
 
@@ -108,8 +108,8 @@ namespace {
     struct TSessionValues: public TNamedValues<TSessionPtr> {
         typedef TNamedValues<TSessionPtr> TBase;
 
-        TVector<TString> GetNamesForQueue(TBusMessageQueue* queue) { 
-            TVector<TString> r; 
+        TVector<TString> GetNamesForQueue(TBusMessageQueue* queue) {
+            TVector<TString> r;
             for (unsigned i = 0; i < TBase::size(); ++i) {
                 if (TBase::Entries[i].second->GetQueue() == queue) {
                     r.push_back(TBase::Entries[i].first);
@@ -211,14 +211,14 @@ struct TBusWww::TImpl {
         TGuard<TMutex> g(Mutex);
 
         {
-            TVector<TBusClientSessionPtr> clientSessions = module->GetInternal()->GetClientSessionsInternal(); 
+            TVector<TBusClientSessionPtr> clientSessions = module->GetInternal()->GetClientSessionsInternal();
             for (unsigned i = 0; i < clientSessions.size(); ++i) {
                 RegisterClientSession(clientSessions[i]);
             }
         }
 
         {
-            TVector<TBusServerSessionPtr> serverSessions = module->GetInternal()->GetServerSessionsInternal(); 
+            TVector<TBusServerSessionPtr> serverSessions = module->GetInternal()->GetServerSessionsInternal();
             for (unsigned i = 0; i < serverSessions.size(); ++i) {
                 RegisterServerSession(serverSessions[i]);
             }
@@ -228,7 +228,7 @@ struct TBusWww::TImpl {
         Modules.Add(module->GetInternal());
     }
 
-    TString FindQueueNameBySessionName(TStringBuf sessionName, bool client) { 
+    TString FindQueueNameBySessionName(TStringBuf sessionName, bool client) {
         TIntrusivePtr<TBusClientSession> clientSession;
         TIntrusivePtr<TBusServerSession> serverSession;
         TBusSession* session;
@@ -288,7 +288,7 @@ struct TBusWww::TImpl {
         }
 
         void BreadcrumbSession(TStringBuf sessionName, bool client) {
-            TString queueName = Outer->FindQueueNameBySessionName(sessionName, client); 
+            TString queueName = Outer->FindQueueNameBySessionName(sessionName, client);
             TStringBuf whatSession = client ? "client session" : "server session";
 
             TTagGuard ol("ol", "breadcrumb");
@@ -299,9 +299,9 @@ struct TBusWww::TImpl {
         }
 
         void ServeSessionsOfQueue(TBusMessageQueuePtr queue, bool includeQueue) {
-            TVector<TString> clientNames = Outer->ClientSessions.GetNamesForQueue(queue.Get()); 
-            TVector<TString> serverNames = Outer->ServerSessions.GetNamesForQueue(queue.Get()); 
-            TVector<TString> moduleNames = Outer->Modules.GetNamesForQueue(queue.Get()); 
+            TVector<TString> clientNames = Outer->ClientSessions.GetNamesForQueue(queue.Get());
+            TVector<TString> serverNames = Outer->ServerSessions.GetNamesForQueue(queue.Get());
+            TVector<TString> moduleNames = Outer->Modules.GetNamesForQueue(queue.Get());
 
             TTagGuard table("table", "table table-condensed table-bordered");
 
@@ -320,7 +320,7 @@ struct TBusWww::TImpl {
             }
 
             if (includeQueue) {
-                TTagGuard tr1("tr"); 
+                TTagGuard tr1("tr");
                 Td("queue");
 
                 {
@@ -329,7 +329,7 @@ struct TBusWww::TImpl {
                 }
 
                 {
-                    TTagGuard tr2("td"); 
+                    TTagGuard tr2("td");
                     Pre(queue->GetStatusSingleLine());
                 }
             }
@@ -385,7 +385,7 @@ struct TBusWww::TImpl {
             }
         }
 
-        void ServeQueue(const TString& name) { 
+        void ServeQueue(const TString& name) {
             TBusMessageQueuePtr queue = Outer->Queues.FindByName(name);
 
             if (!queue) {
@@ -518,7 +518,7 @@ struct TBusWww::TImpl {
             TSessionDumpStatus dumpStatus = session->GetStatusRecordInternal();
 
             TBusMessageQueuePtr queue = session->GetQueue();
-            TString queueName = Outer->Queues.FindNameByPtr(session->GetQueue()); 
+            TString queueName = Outer->Queues.FindNameByPtr(session->GetQueue());
 
             BreadcrumbSession(name, client);
 
@@ -585,7 +585,7 @@ struct TBusWww::TImpl {
                     NJsonWriter::TBuf buf(NJsonWriter::HEM_ESCAPE_HTML);
                     buf.BeginList();
                     for (unsigned i = 0; i < h.Times.size(); ++i) {
-                        TString label = TDurationHistogram::LabelBefore(i); 
+                        TString label = TDurationHistogram::LabelBefore(i);
                         buf.BeginList();
                         buf.WriteString(label);
                         buf.WriteLongLong(h.Times[i]);
@@ -612,7 +612,7 @@ struct TBusWww::TImpl {
             H1("MessageBus queues");
 
             for (unsigned i = 0; i < Outer->Queues.size(); ++i) {
-                TString queueName = Outer->Queues.Entries[i].first; 
+                TString queueName = Outer->Queues.Entries[i].first;
                 TBusMessageQueuePtr queue = Outer->Queues.Entries[i].second;
 
                 HnWithSmall(3, queueName, "(queue)");
@@ -680,7 +680,7 @@ struct TBusWww::TImpl {
                                        status.ConnectionStatusSummary.ReaderStatus.Incremental.MessageCounter);
         }
 
-        void ServeSolomonJson(const TString& q, const TString& cs, const TString& ss) { 
+        void ServeSolomonJson(const TString& q, const TString& cs, const TString& ss) {
             Y_UNUSED(q);
             Y_UNUSED(cs);
             Y_UNUSED(ss);
@@ -692,15 +692,15 @@ struct TBusWww::TImpl {
             sj.OpenMetrics();
 
             for (unsigned i = 0; i < Outer->Queues.size(); ++i) {
-                TString queueName = Outer->Queues.Entries[i].first; 
+                TString queueName = Outer->Queues.Entries[i].first;
                 TBusMessageQueuePtr queue = Outer->Queues.Entries[i].second;
                 if (all || q == queueName) {
                     WriteQueueSensors(sj, queueName, &*queue);
                 }
 
-                TVector<TString> clientNames = Outer->ClientSessions.GetNamesForQueue(queue.Get()); 
-                TVector<TString> serverNames = Outer->ServerSessions.GetNamesForQueue(queue.Get()); 
-                TVector<TString> moduleNames = Outer->Modules.GetNamesForQueue(queue.Get()); 
+                TVector<TString> clientNames = Outer->ClientSessions.GetNamesForQueue(queue.Get());
+                TVector<TString> serverNames = Outer->ServerSessions.GetNamesForQueue(queue.Get());
+                TVector<TString> moduleNames = Outer->Modules.GetNamesForQueue(queue.Get());
                 for (auto& sessionName : clientNames) {
                     if (all || cs == sessionName) {
                         auto session = Outer->ClientSessions.FindByName(sessionName);
@@ -728,7 +728,7 @@ struct TBusWww::TImpl {
             } else {
                 os << HTTP_OK_BIN;
             }
-            TBlob blob = Singleton<TWwwStaticLoader>()->ObjectBlobByKey(TString("/") + TString(path)); 
+            TBlob blob = Singleton<TWwwStaticLoader>()->ObjectBlobByKey(TString("/") + TString(path));
             os.Write(blob.Data(), blob.Size());
         }
 
@@ -766,9 +766,9 @@ struct TBusWww::TImpl {
             if (solomonJson) {
                 Os << HTTP_OK_JSON;
 
-                TString qp = q != CgiParams.end() ? q->first : ""; 
-                TString csp = cs != CgiParams.end() ? cs->first : ""; 
-                TString ssp = ss != CgiParams.end() ? ss->first : ""; 
+                TString qp = q != CgiParams.end() ? q->first : "";
+                TString csp = cs != CgiParams.end() ? cs->first : "";
+                TString ssp = ss != CgiParams.end() ? ss->first : "";
                 ServeSolomonJson(qp, csp, ssp);
             } else {
                 Os << HTTP_OK_HTML;
@@ -870,7 +870,7 @@ struct TBusWwwHttpServer::TImpl: public THttpServer::ICallBack {
         }
     };
 
-    TString MakeSimpleResponse(unsigned code, TString text, TString content = "") { 
+    TString MakeSimpleResponse(unsigned code, TString text, TString content = "") {
         if (!content) {
             TStringStream contentSs;
             contentSs << code << " " << text;
diff --git a/library/cpp/messagebus/www/www.h b/library/cpp/messagebus/www/www.h
index 7180b5b692..6cd652b477 100644
--- a/library/cpp/messagebus/www/www.h
+++ b/library/cpp/messagebus/www/www.h
@@ -4,7 +4,7 @@
 #include <library/cpp/messagebus/oldmodule/module.h>
 
 #include <util/generic/ptr.h>
-#include <util/generic/string.h> 
+#include <util/generic/string.h>
 #include <library/cpp/cgiparam/cgiparam.h>
 
 namespace NBus {
diff --git a/library/cpp/mime/types/mime.cpp b/library/cpp/mime/types/mime.cpp
index 8986cbc604..706d776b24 100644
--- a/library/cpp/mime/types/mime.cpp
+++ b/library/cpp/mime/types/mime.cpp
@@ -42,7 +42,7 @@ private:
         const char* Ext;
     };
 
-    typedef THashMap<const char*, int> TRecordHash; 
+    typedef THashMap<const char*, int> TRecordHash;
 
     // Fields
 private:
diff --git a/library/cpp/mime/types/mime.h b/library/cpp/mime/types/mime.h
index c2c97b58b2..05da389ea9 100644
--- a/library/cpp/mime/types/mime.h
+++ b/library/cpp/mime/types/mime.h
@@ -69,4 +69,4 @@ MimeTypes mimeByStr(const TStringBuf& mimeStr);
 const char* strByMime(MimeTypes mime);
 
 // autogenerated with GENERATE_ENUM_SERIALIZATION
-const TString& ToString(MimeTypes x); 
+const TString& ToString(MimeTypes x);
diff --git a/library/cpp/monlib/counters/counters_ut.cpp b/library/cpp/monlib/counters/counters_ut.cpp
index 7c029e2e09..2845efb97b 100644
--- a/library/cpp/monlib/counters/counters_ut.cpp
+++ b/library/cpp/monlib/counters/counters_ut.cpp
@@ -42,7 +42,7 @@ Y_UNIT_TEST_SUITE(TDeprecatedCountersTest) {
         }
 
         // no duplication in group names
-        TSet<ui32> uniqueIds(ids->begin(), ids->end()); 
+        TSet<ui32> uniqueIds(ids->begin(), ids->end());
         UNIT_ASSERT_EQUAL(ids->size(), uniqueIds.size());
         UNIT_ASSERT_EQUAL(ids->size(), GROUPS_COUNT);
     }
diff --git a/library/cpp/monlib/dynamic_counters/counters.h b/library/cpp/monlib/dynamic_counters/counters.h
index 52692f8149..dc178cfbe0 100644
--- a/library/cpp/monlib/dynamic_counters/counters.h
+++ b/library/cpp/monlib/dynamic_counters/counters.h
@@ -201,11 +201,11 @@ namespace NMonitoring {
         typedef TIntrusivePtr<TCountableBase> TCountablePtr;
 
         struct TChildId {
-            TString LabelName; 
-            TString LabelValue; 
+            TString LabelName;
+            TString LabelValue;
             TChildId() {
             }
-            TChildId(const TString& labelName, const TString& labelValue) 
+            TChildId(const TString& labelName, const TString& labelValue)
                 : LabelName(labelName)
                 , LabelValue(labelValue)
             {
@@ -329,8 +329,8 @@ namespace NMonitoring {
         void RemoveCounter(const TString &value);
         void RemoveNamedCounter(const TString& name, const TString &value);
 
-        TIntrusivePtr<TDynamicCounters> GetSubgroup(const TString& name, const TString& value); 
-        TIntrusivePtr<TDynamicCounters> FindSubgroup(const TString& name, const TString& value) const; 
+        TIntrusivePtr<TDynamicCounters> GetSubgroup(const TString& name, const TString& value);
+        TIntrusivePtr<TDynamicCounters> FindSubgroup(const TString& name, const TString& value) const;
         void RemoveSubgroup(const TString& name, const TString& value);
         void ReplaceSubgroup(const TString& name, const TString& value, TIntrusivePtr<TDynamicCounters> subgroup);
 
diff --git a/library/cpp/monlib/dynamic_counters/golovan_page.cpp b/library/cpp/monlib/dynamic_counters/golovan_page.cpp
index cda0fdfcf2..49cf2d39bb 100644
--- a/library/cpp/monlib/dynamic_counters/golovan_page.cpp
+++ b/library/cpp/monlib/dynamic_counters/golovan_page.cpp
@@ -61,7 +61,7 @@ public:
 private:
     IOutputStream& out;
     bool FirstCounter;
-    TString prefix; 
+    TString prefix;
 };
 
 TGolovanCountersPage::TGolovanCountersPage(const TString& path, TIntrusivePtr<NMonitoring::TDynamicCounters> counters,
diff --git a/library/cpp/monlib/dynamic_counters/page.cpp b/library/cpp/monlib/dynamic_counters/page.cpp
index 649a232ca8..5124a47bb3 100644
--- a/library/cpp/monlib/dynamic_counters/page.cpp
+++ b/library/cpp/monlib/dynamic_counters/page.cpp
@@ -56,7 +56,7 @@ void TDynamicCountersPage::Output(NMonitoring::IMonHttpRequest& request) {
     for (const auto& escaped : parts) {
         const auto part = CGIUnescapeRet(escaped);
 
-        TVector<TString> labels; 
+        TVector<TString> labels;
         StringSplitter(part).Split('=').SkipEmpty().Collect(&labels);
 
         if (labels.size() != 2U)
diff --git a/library/cpp/monlib/encode/buffered/string_pool_ut.cpp b/library/cpp/monlib/encode/buffered/string_pool_ut.cpp
index 8dc61d0113..9fc3421d0b 100644
--- a/library/cpp/monlib/encode/buffered/string_pool_ut.cpp
+++ b/library/cpp/monlib/encode/buffered/string_pool_ut.cpp
@@ -63,22 +63,22 @@ Y_UNIT_TEST_SUITE(TStringPoolTest) {
 
         strPool.Build();
 
-        TVector<TString> strings; 
-        TVector<ui32> indexes; 
-        TVector<ui32> frequences; 
+        TVector<TString> strings;
+        TVector<ui32> indexes;
+        TVector<ui32> frequences;
         strPool.ForEach([&](TStringBuf str, ui32 index, ui32 freq) {
             strings.emplace_back(str);
             indexes.push_back(index);
             frequences.push_back(freq);
         });
 
-        TVector<TString> expectedStrings = {"three", "two", "one"}; 
+        TVector<TString> expectedStrings = {"three", "two", "one"};
         UNIT_ASSERT_EQUAL(strings, expectedStrings);
 
-        TVector<ui32> expectedIndexes = {0, 1, 2}; 
+        TVector<ui32> expectedIndexes = {0, 1, 2};
         UNIT_ASSERT_EQUAL(indexes, expectedIndexes);
 
-        TVector<ui32> expectedFrequences = {3, 2, 1}; 
+        TVector<ui32> expectedFrequences = {3, 2, 1};
         UNIT_ASSERT_EQUAL(frequences, expectedFrequences);
     }
 }
diff --git a/library/cpp/monlib/messagebus/mon_service_messagebus.cpp b/library/cpp/monlib/messagebus/mon_service_messagebus.cpp
index 8fe79b9b3a..4dd144ebe8 100644
--- a/library/cpp/monlib/messagebus/mon_service_messagebus.cpp
+++ b/library/cpp/monlib/messagebus/mon_service_messagebus.cpp
@@ -2,7 +2,7 @@
 
 using namespace NMonitoring;
 
-TMonServiceMessageBus::TMonServiceMessageBus(ui16 port, const TString& title) 
+TMonServiceMessageBus::TMonServiceMessageBus(ui16 port, const TString& title)
     : TMonService2(port, title)
 {
 }
diff --git a/library/cpp/monlib/metrics/labels_ut.cpp b/library/cpp/monlib/metrics/labels_ut.cpp
index 614ad8ffaf..f0e4f532ab 100644
--- a/library/cpp/monlib/metrics/labels_ut.cpp
+++ b/library/cpp/monlib/metrics/labels_ut.cpp
@@ -124,12 +124,12 @@ Y_UNIT_TEST_SUITE(TLabelsTest) {
         UNIT_ASSERT_EQUAL(labels[0], TLabel("name1", "value1"));
         UNIT_ASSERT_EQUAL(labels[1], TLabel("name2", "value2"));
 
-        TVector<TLabel> labelsCopy; 
+        TVector<TLabel> labelsCopy;
         for (auto&& label : labels) {
             labelsCopy.emplace_back(label.Name(), label.Value());
         }
 
-        UNIT_ASSERT_EQUAL(labelsCopy, TVector<TLabel>({ 
+        UNIT_ASSERT_EQUAL(labelsCopy, TVector<TLabel>({
                                           {"name1", "value1"},
                                           {"name2", "value2"},
                                       }));
diff --git a/library/cpp/monlib/service/mon_service_http_request.cpp b/library/cpp/monlib/service/mon_service_http_request.cpp
index 8abe33f0fb..5d805631d9 100644
--- a/library/cpp/monlib/service/mon_service_http_request.cpp
+++ b/library/cpp/monlib/service/mon_service_http_request.cpp
@@ -9,7 +9,7 @@ IMonHttpRequest::~IMonHttpRequest() {
 TMonService2HttpRequest::~TMonService2HttpRequest() {
 }
 
-TString TMonService2HttpRequest::GetServiceTitle() const { 
+TString TMonService2HttpRequest::GetServiceTitle() const {
     return MonService->GetTitle();
 }
 
diff --git a/library/cpp/monlib/service/mon_service_http_request.h b/library/cpp/monlib/service/mon_service_http_request.h
index 14974f1a20..b4f2f8f0c5 100644
--- a/library/cpp/monlib/service/mon_service_http_request.h
+++ b/library/cpp/monlib/service/mon_service_http_request.h
@@ -44,7 +44,7 @@ namespace NMonitoring {
         TMonService2HttpRequest(
             IOutputStream* out, const IHttpRequest* httpRequest,
             TMonService2* monService, IMonPage* monPage,
-            const TString& pathInfo, 
+            const TString& pathInfo,
             TMonService2HttpRequest* parent)
             : Out(out)
             , HttpRequest(httpRequest)
diff --git a/library/cpp/monlib/service/monservice.cpp b/library/cpp/monlib/service/monservice.cpp
index fdb7f77c1a..d1b9cda1d2 100644
--- a/library/cpp/monlib/service/monservice.cpp
+++ b/library/cpp/monlib/service/monservice.cpp
@@ -78,7 +78,7 @@ void TMonService2::OutputIndexBody(IOutputStream& out) {
 }
 
 void TMonService2::ServeRequest(IOutputStream& out, const NMonitoring::IHttpRequest& request) {
-    TString path = request.GetPath(); 
+    TString path = request.GetPath();
     Y_VERIFY(path.StartsWith('/'));
 
     if (AuthProvider_) {
@@ -112,15 +112,15 @@ void TMonService2::Register(TMonPagePtr page) {
     IndexMonPage->Register(std::move(page));
 }
 
-TIndexMonPage* TMonService2::RegisterIndexPage(const TString& path, const TString& title) { 
+TIndexMonPage* TMonService2::RegisterIndexPage(const TString& path, const TString& title) {
     return IndexMonPage->RegisterIndexPage(path, title);
 }
 
-IMonPage* TMonService2::FindPage(const TString& relativePath) { 
+IMonPage* TMonService2::FindPage(const TString& relativePath) {
     return IndexMonPage->FindPage(relativePath);
 }
 
-TIndexMonPage* TMonService2::FindIndexPage(const TString& relativePath) { 
+TIndexMonPage* TMonService2::FindIndexPage(const TString& relativePath) {
     return IndexMonPage->FindIndexPage(relativePath);
 }
 
diff --git a/library/cpp/monlib/service/pages/index_mon_page.cpp b/library/cpp/monlib/service/pages/index_mon_page.cpp
index 87cb7e7f99..83ff8b529a 100644
--- a/library/cpp/monlib/service/pages/index_mon_page.cpp
+++ b/library/cpp/monlib/service/pages/index_mon_page.cpp
@@ -36,7 +36,7 @@ void TIndexMonPage::Output(IMonHttpRequest& request) {
                 break;
             }
             size_t slash = pathTmp.find_last_of('/');
-            Y_VERIFY(slash != TString::npos); 
+            Y_VERIFY(slash != TString::npos);
             pathTmp = pathTmp.substr(0, slash);
             if (!pathTmp) {
                 break;
@@ -56,7 +56,7 @@ void TIndexMonPage::OutputIndex(IOutputStream& out, bool pathEndsWithSlash) {
     for (auto& Page : Pages) {
         IMonPage* page = Page.Get();
         if (page->IsInIndex()) {
-            TString pathToDir = ""; 
+            TString pathToDir = "";
             if (!pathEndsWithSlash) {
                 pathToDir = this->GetPath() + "/";
             }
@@ -94,7 +94,7 @@ TIndexMonPage* TIndexMonPage::RegisterIndexPage(const TString& path, const TStri
     return VerifyDynamicCast<TIndexMonPage*>(page);
 }
 
-IMonPage* TIndexMonPage::FindPage(const TString& relativePath) { 
+IMonPage* TIndexMonPage::FindPage(const TString& relativePath) {
     TGuard<TMutex> g(Mtx);
 
     Y_VERIFY(!relativePath.StartsWith('/'));
@@ -106,7 +106,7 @@ IMonPage* TIndexMonPage::FindPage(const TString& relativePath) {
     }
 }
 
-TIndexMonPage* TIndexMonPage::FindIndexPage(const TString& relativePath) { 
+TIndexMonPage* TIndexMonPage::FindIndexPage(const TString& relativePath) {
     return VerifyDynamicCast<TIndexMonPage*>(FindPage(relativePath));
 }
 
diff --git a/library/cpp/monlib/service/pages/mon_page.cpp b/library/cpp/monlib/service/pages/mon_page.cpp
index 7bf9cce18e..72033b1699 100644
--- a/library/cpp/monlib/service/pages/mon_page.cpp
+++ b/library/cpp/monlib/service/pages/mon_page.cpp
@@ -2,7 +2,7 @@
 
 using namespace NMonitoring;
 
-IMonPage::IMonPage(const TString& path, const TString& title) 
+IMonPage::IMonPage(const TString& path, const TString& title)
     : Path(path)
     , Title(title)
 {
diff --git a/library/cpp/monlib/service/pages/mon_page.h b/library/cpp/monlib/service/pages/mon_page.h
index 1a51dbfa60..e396612bb0 100644
--- a/library/cpp/monlib/service/pages/mon_page.h
+++ b/library/cpp/monlib/service/pages/mon_page.h
@@ -3,7 +3,7 @@
 #include <library/cpp/monlib/service/service.h>
 #include <library/cpp/monlib/service/mon_service_http_request.h>
 
-#include <util/generic/string.h> 
+#include <util/generic/string.h>
 #include <util/generic/ptr.h>
 
 namespace NMonitoring {
diff --git a/library/cpp/monlib/service/pages/version_mon_page.cpp b/library/cpp/monlib/service/pages/version_mon_page.cpp
index 01ec97d48f..41e29417da 100644
--- a/library/cpp/monlib/service/pages/version_mon_page.cpp
+++ b/library/cpp/monlib/service/pages/version_mon_page.cpp
@@ -9,7 +9,7 @@ using namespace NMonitoring;
 void TVersionMonPage::OutputText(IOutputStream& out, NMonitoring::IMonHttpRequest&) {
     const char* version = GetProgramSvnVersion();
     out << version;
-    if (!TString(version).EndsWith("\n")) 
+    if (!TString(version).EndsWith("\n"))
         out << "\n";
     out << GetBuildInfo() << "\n\n";
     out << "linked with malloc: " << NMalloc::MallocInfo().Name << "\n";
diff --git a/library/cpp/monlib/service/pages/ya.make b/library/cpp/monlib/service/pages/ya.make
index 3631168ece..48d44a0838 100644
--- a/library/cpp/monlib/service/pages/ya.make
+++ b/library/cpp/monlib/service/pages/ya.make
@@ -2,8 +2,8 @@ LIBRARY()
 
 OWNER(g:solomon)
 
-NO_WSHADOW() 
- 
+NO_WSHADOW()
+
 SRCS(
     diag_mon_page.cpp
     html_mon_page.cpp
diff --git a/library/cpp/monlib/service/service.cpp b/library/cpp/monlib/service/service.cpp
index b4b522939c..929efbf816 100644
--- a/library/cpp/monlib/service/service.cpp
+++ b/library/cpp/monlib/service/service.cpp
@@ -29,7 +29,7 @@ namespace NMonitoring {
                         out << "HTTP/1.1 400 Invalid url\r\nConnection: Close\r\n\r\n";
                         return;
                     }
-                    TString path = GetPath(); 
+                    TString path = GetPath();
                     if (!path.StartsWith('/')) {
                         out << "HTTP/1.1 400 Bad request\r\nConnection: Close\r\n\r\n";
                         return;
@@ -133,7 +133,7 @@ namespace NMonitoring {
         const TCoHttpServer& Parent;
     };
 
-    TCoHttpServer::TCoHttpServer(TContExecutor& executor, const TString& bindAddr, TIpPort port, THandler handler) 
+    TCoHttpServer::TCoHttpServer(TContExecutor& executor, const TString& bindAddr, TIpPort port, THandler handler)
         : Executor(executor)
         , Listener(this, &executor)
         , Handler(std::move(handler))
diff --git a/library/cpp/monlib/service/service.h b/library/cpp/monlib/service/service.h
index 9272266e50..2f66dddaf8 100644
--- a/library/cpp/monlib/service/service.h
+++ b/library/cpp/monlib/service/service.h
@@ -33,7 +33,7 @@ namespace NMonitoring {
     class TCoHttpServer: private TContListener::ICallBack {
     public:
         // initialize and schedule coroutines for execution
-        TCoHttpServer(TContExecutor& executor, const TString& bindAddr, TIpPort port, THandler handler); 
+        TCoHttpServer(TContExecutor& executor, const TString& bindAddr, TIpPort port, THandler handler);
         void Start();
         void Stop();
 
@@ -54,7 +54,7 @@ namespace NMonitoring {
         TContExecutor& Executor;
         TContListener Listener;
         THandler Handler;
-        TString BindAddr; 
+        TString BindAddr;
         TIpPort Port;
     };
 
diff --git a/library/cpp/object_factory/object_factory_ut.cpp b/library/cpp/object_factory/object_factory_ut.cpp
index 841ffcc64d..06fb0739ff 100644
--- a/library/cpp/object_factory/object_factory_ut.cpp
+++ b/library/cpp/object_factory/object_factory_ut.cpp
@@ -2,13 +2,13 @@
 #include <library/cpp/testing/unittest/registar.h>
 
 #include <util/generic/noncopyable.h>
-#include <util/generic/string.h> 
+#include <util/generic/string.h>
 #include <util/generic/ptr.h>
 
 using namespace NObjectFactory;
 
 struct TArgument {
-    TString Name; 
+    TString Name;
     void* Discarded;
 };
 
@@ -17,43 +17,43 @@ public:
     virtual ~ICommonInterface() {
     }
 
-    virtual TString GetValue() const = 0; 
+    virtual TString GetValue() const = 0;
 };
 
 class TDirectOrder: public ICommonInterface {
 public:
-    TDirectOrder(const TString& provider, float factor, TArgument& argument) 
+    TDirectOrder(const TString& provider, float factor, TArgument& argument)
         : Provider(provider)
         , Factor(factor)
         , Argument(argument)
     {
     }
 
-    TString GetValue() const override { 
+    TString GetValue() const override {
         return Provider + ToString(Factor) + Argument.Name;
     }
 
 private:
-    const TString Provider; 
+    const TString Provider;
     const float Factor;
     const TArgument Argument;
 };
 
 class TInverseOrder: public ICommonInterface {
 public:
-    TInverseOrder(const TString& provider, float factor, TArgument& argument) 
+    TInverseOrder(const TString& provider, float factor, TArgument& argument)
         : Provider(provider)
         , Factor(factor)
         , Argument(argument)
     {
     }
 
-    TString GetValue() const override { 
+    TString GetValue() const override {
         return Argument.Name + ToString(Factor) + Provider;
     }
 
 private:
-    const TString Provider; 
+    const TString Provider;
     const float Factor;
     const TArgument Argument;
 };
diff --git a/library/cpp/on_disk/chunks/chunked_helpers.cpp b/library/cpp/on_disk/chunks/chunked_helpers.cpp
index faf9164c80..b7adba2753 100644
--- a/library/cpp/on_disk/chunks/chunked_helpers.cpp
+++ b/library/cpp/on_disk/chunks/chunked_helpers.cpp
@@ -29,7 +29,7 @@ TNamedChunkedDataReader::TNamedChunkedDataReader(const TBlob& blob)
     Load(&input, Names);
 
     size_t index = 0;
-    for (TVector<TString>::const_iterator it = Names.begin(); it != Names.end(); ++it, ++index) { 
+    for (TVector<TString>::const_iterator it = Names.begin(); it != Names.end(); ++it, ++index) {
         if (!it->empty())
             NameToIndex[*it] = index;
     }
@@ -42,14 +42,14 @@ TNamedChunkedDataWriter::TNamedChunkedDataWriter(IOutputStream& slave)
 {
 }
 
-TNamedChunkedDataWriter::~TNamedChunkedDataWriter() { 
+TNamedChunkedDataWriter::~TNamedChunkedDataWriter() {
 }
 
 void TNamedChunkedDataWriter::NewBlock() {
     NewBlock("");
 }
 
-void TNamedChunkedDataWriter::NewBlock(const TString& name) { 
+void TNamedChunkedDataWriter::NewBlock(const TString& name) {
     if (!name.empty()) {
         if (NameToIndex.count(name) != 0)
             throw yexception() << "Block name is not unique";
diff --git a/library/cpp/on_disk/chunks/chunked_helpers.h b/library/cpp/on_disk/chunks/chunked_helpers.h
index 207afe7ee1..5fa96afdca 100644
--- a/library/cpp/on_disk/chunks/chunked_helpers.h
+++ b/library/cpp/on_disk/chunks/chunked_helpers.h
@@ -54,7 +54,7 @@ public:
 template <typename T>
 class TYVectorWriter {
 private:
-    TVector<T> Vector; 
+    TVector<T> Vector;
 
 public:
     TYVectorWriter() = default;
@@ -233,12 +233,12 @@ template <typename TKey, typename TValue>
 class TPlainHashWriter : TPlainHashCommon {
 private:
     typedef TPackedPair<TKey, TValue> TKeyValuePair;
-    typedef TVector<TKeyValuePair> TData; 
+    typedef TVector<TKeyValuePair> TData;
     TData Data;
-    typedef TVector<TData> TData2; 
+    typedef TVector<TData> TData2;
 
     bool IsPlainEnought(ui16 bits) const {
-        TVector<size_t> counts(1LL << bits, 0); 
+        TVector<size_t> counts(1LL << bits, 0);
         for (size_t i = 0; i < Data.size(); ++i) {
             size_t& count = counts[KeyHash<TKey>(TKeyValuePair::GetFirst(&Data[i]), bits)];
             ++count;
@@ -276,7 +276,7 @@ public:
         for (size_t i = 0; i < Data.size(); ++i)
             data2[KeyHash<TKey>(TKeyValuePair::GetFirst(&Data[i]), bits)].push_back(Data[i]);
 
-        typedef TVector<TInterval> TIntervals; 
+        typedef TVector<TInterval> TIntervals;
         TIntervals intervals(nBuckets);
         ui32 offset = 0;
         for (ui32 i = 0; i < nBuckets; ++i) {
@@ -583,7 +583,7 @@ public:
 template <class T, bool isPod>
 class TVectorTakingIntoAccountThePodTypeWriter : TNonCopyable {
 private:
-    typedef TVector<ui64> TOffsets; 
+    typedef TVector<ui64> TOffsets;
     TOffsets Offsets;
     TBuffer Data;
     TBufferOutput DataStream;
@@ -655,12 +655,12 @@ struct TGeneralVectorG<TItem, true> {
 };
 
 template <>
-struct TSaveLoadVectorNonPodElement<TString> { 
+struct TSaveLoadVectorNonPodElement<TString> {
     static inline void Save(IOutputStream* out, const TString& s) {
         out->Write(s.data(), s.size() + 1);
     }
 
-    static inline void Load(TMemoryInput* in, TString& s, size_t elementSize) { 
+    static inline void Load(TMemoryInput* in, TString& s, size_t elementSize) {
         Y_ASSERT(elementSize > 0 && in->Avail() >= elementSize);
         s.assign(in->Buf(), elementSize - 1); /// excluding 0 at the end
     }
@@ -670,5 +670,5 @@ template <bool G>
 struct TStringsVectorG: public TGeneralVectorG<TString, G> {
 };
 
-using TStringsVector = TGeneralVector<TString>; 
-using TStringsVectorWriter = TGeneralVectorWriter<TString>; 
+using TStringsVector = TGeneralVector<TString>;
+using TStringsVectorWriter = TGeneralVectorWriter<TString>;
diff --git a/library/cpp/on_disk/chunks/chunks_ut.cpp b/library/cpp/on_disk/chunks/chunks_ut.cpp
index cba0ecd3ab..f727647f7f 100644
--- a/library/cpp/on_disk/chunks/chunks_ut.cpp
+++ b/library/cpp/on_disk/chunks/chunks_ut.cpp
@@ -102,21 +102,21 @@ public:
                 UNIT_ASSERT_EQUAL(reader.RealSize(), sizeof(ui64) + N * sizeof(ui32));
             }
         }
-        { /// TString 
+        { /// TString
             const size_t N = 4;
             TBufferStream stream;
             {
-                TGeneralVectorWriter<TString> writer; 
+                TGeneralVectorWriter<TString> writer;
                 for (size_t i = 0; i < N; ++i)
                     writer.PushBack(ToString(i));
                 writer.Save(stream);
             }
             {
                 TBlob temp = TBlob::FromStreamSingleThreaded(stream);
-                TGeneralVector<TString> reader(temp); 
+                TGeneralVector<TString> reader(temp);
                 UNIT_ASSERT_EQUAL(reader.GetSize(), N);
                 for (size_t i = 0; i < N; ++i) {
-                    TString value; 
+                    TString value;
                     reader.Get(i, value);
                     UNIT_ASSERT_EQUAL(value, ToString(i));
                     UNIT_ASSERT_EQUAL(reader.Get(i), ToString(i));
@@ -151,7 +151,7 @@ public:
         }
         { /// pointer
             const size_t N = 3;
-            TVector<int> data_holder(N); 
+            TVector<int> data_holder(N);
             int* a = &(data_holder[0]);
             TBufferStream stream;
             {
@@ -200,11 +200,11 @@ public:
     }
 
     void TestStrings() {
-        const TString FILENAME = "chunked_helpers_test.bin"; 
+        const TString FILENAME = "chunked_helpers_test.bin";
         TTempFileHandle file(FILENAME.c_str());
 
         {
-            TFixedBufferFileOutput fOut(FILENAME); 
+            TFixedBufferFileOutput fOut(FILENAME);
             TStringsVectorWriter stringsWriter;
             stringsWriter.PushBack("");
             stringsWriter.PushBack("test");
@@ -230,11 +230,11 @@ public:
     }
 
     void TestNamedChunkedData() {
-        const TString filename = MakeTempName(nullptr, "named_chunked_data_test"); 
+        const TString filename = MakeTempName(nullptr, "named_chunked_data_test");
         TTempFile file(filename);
 
         {
-            TFixedBufferFileOutput fOut(filename); 
+            TFixedBufferFileOutput fOut(filename);
             TNamedChunkedDataWriter writer(fOut);
 
             writer.NewBlock("alpha");
diff --git a/library/cpp/on_disk/chunks/reader.cpp b/library/cpp/on_disk/chunks/reader.cpp
index 80235e8084..6e28cbf367 100644
--- a/library/cpp/on_disk/chunks/reader.cpp
+++ b/library/cpp/on_disk/chunks/reader.cpp
@@ -5,7 +5,7 @@
 #include "reader.h"
 
 template <typename T>
-static inline void ReadAux(const char* data, T* aux, T count, TVector<const char*>* result) { 
+static inline void ReadAux(const char* data, T* aux, T count, TVector<const char*>* result) {
     result->resize(count);
     for (size_t i = 0; i < count; ++i) {
         (*result)[i] = data + ReadUnaligned<T>(aux + i);
diff --git a/library/cpp/on_disk/chunks/writer.cpp b/library/cpp/on_disk/chunks/writer.cpp
index 8344045e14..6dc7397f09 100644
--- a/library/cpp/on_disk/chunks/writer.cpp
+++ b/library/cpp/on_disk/chunks/writer.cpp
@@ -2,7 +2,7 @@
 
 #include "writer.h"
 
-static inline void WriteAux(IOutputStream* out, const TVector<ui64>& data) { 
+static inline void WriteAux(IOutputStream* out, const TVector<ui64>& data) {
     ::SavePodArray(out, data.data(), data.size());
 }
 
@@ -14,7 +14,7 @@ TChunkedDataWriter::TChunkedDataWriter(IOutputStream& slave)
 {
 }
 
-TChunkedDataWriter::~TChunkedDataWriter() { 
+TChunkedDataWriter::~TChunkedDataWriter() {
 }
 
 void TChunkedDataWriter::NewBlock() {
diff --git a/library/cpp/openssl/init/init.cpp b/library/cpp/openssl/init/init.cpp
index b2af74c552..ae68ef08ea 100644
--- a/library/cpp/openssl/init/init.cpp
+++ b/library/cpp/openssl/init/init.cpp
@@ -40,7 +40,7 @@ namespace {
                 }
             }
 
-            TVector<TAutoPtr<TMutex>> Mutexes; 
+            TVector<TAutoPtr<TMutex>> Mutexes;
         };
 
         inline TInitSsl() {
diff --git a/library/cpp/openssl/io/stream.cpp b/library/cpp/openssl/io/stream.cpp
index 64912c9cf4..0b4be38c0e 100644
--- a/library/cpp/openssl/io/stream.cpp
+++ b/library/cpp/openssl/io/stream.cpp
@@ -44,15 +44,15 @@ namespace {
     };
 
     struct TSslDestroy {
-        static inline void Destroy(ssl_ctx_st* ctx) noexcept { 
+        static inline void Destroy(ssl_ctx_st* ctx) noexcept {
             SSL_CTX_free(ctx);
         }
 
-        static inline void Destroy(ssl_st* ssl) noexcept { 
+        static inline void Destroy(ssl_st* ssl) noexcept {
             SSL_free(ssl);
         }
 
-        static inline void Destroy(bio_st* bio) noexcept { 
+        static inline void Destroy(bio_st* bio) noexcept {
             BIO_free(bio);
         }
 
diff --git a/library/cpp/packedtypes/longs_ut.cpp b/library/cpp/packedtypes/longs_ut.cpp
index 1cc1415f47..8b06c934d2 100644
--- a/library/cpp/packedtypes/longs_ut.cpp
+++ b/library/cpp/packedtypes/longs_ut.cpp
@@ -12,7 +12,7 @@ Y_UNIT_TEST_SUITE(TLongsTest) {
         i16 x16 = 40;
         i64 x64 = 40;
         i64 y64;
-        TString s; 
+        TString s;
 
         s += Sprintf("x16=0x%x\n", (int)x16);
         s += Sprintf("LO_8(x16)=0x%x HI_8(x16)=0x%x\n\n", (int)Lo8(x16), (int)Hi8(x16));
diff --git a/library/cpp/packedtypes/packed_ut.cpp b/library/cpp/packedtypes/packed_ut.cpp
index baefec85ce..70a22cf9c3 100644
--- a/library/cpp/packedtypes/packed_ut.cpp
+++ b/library/cpp/packedtypes/packed_ut.cpp
@@ -25,7 +25,7 @@ static T PseudoRandom(T max = Max<T>()) {
 }
 
 Y_UNIT_TEST_SUITE(TPackedTest) {
-    void TestPackUi32Sub(ui32 v, const TVector<char>& p) { 
+    void TestPackUi32Sub(ui32 v, const TVector<char>& p) {
         TBufferOutput out;
         PackUI32(out, v);
         const TBuffer& buf = out.Buffer();
@@ -49,7 +49,7 @@ Y_UNIT_TEST_SUITE(TPackedTest) {
 
     Y_UNIT_TEST(TestPackUi32) {
         ui32 v;
-        TVector<char> pv; 
+        TVector<char> pv;
 
         v = 0;
         pv.resize(1);
@@ -93,7 +93,7 @@ Y_UNIT_TEST_SUITE(TPackedTest) {
         TBuffer buffer(65536);
 
         char* writePtr = buffer.Data();
-        TVector<ui32> correctNumbers; 
+        TVector<ui32> correctNumbers;
         for (size_t i = 0; i < 1000; ++i) {
             ui32 randNum = NPrivate::PseudoRandom<ui32>();
             correctNumbers.push_back(randNum);
@@ -112,7 +112,7 @@ Y_UNIT_TEST_SUITE(TPackedTest) {
         TBuffer buffer(65536);
 
         char* writePtr = buffer.Data();
-        TVector<ui64> correctNumbers; 
+        TVector<ui64> correctNumbers;
         for (size_t i = 0; i < 1000; ++i) {
             ui64 randNum = NPrivate::PseudoRandom<ui64>();
             correctNumbers.push_back(randNum);
diff --git a/library/cpp/packers/packers.h b/library/cpp/packers/packers.h
index 80ecfab3b2..1bde1b59aa 100644
--- a/library/cpp/packers/packers.h
+++ b/library/cpp/packers/packers.h
@@ -1,6 +1,6 @@
 #pragma once
 
-#include <util/generic/string.h> 
+#include <util/generic/string.h>
 #include <util/generic/strbuf.h>
 #include <util/generic/set.h>
 #include <util/generic/list.h>
@@ -249,47 +249,47 @@ namespace NPackers {
     };
 
     //-------------------------------------------
-    // TStringPacker --- for TString/TUtf16String and TStringBuf. 
+    // TStringPacker --- for TString/TUtf16String and TStringBuf.
 
-    template <class TStringType> 
+    template <class TStringType>
     class TStringPacker {
     public:
-        void UnpackLeaf(const char* p, TStringType& t) const; 
-        void PackLeaf(char* buffer, const TStringType& data, size_t size) const; 
-        size_t MeasureLeaf(const TStringType& data) const; 
+        void UnpackLeaf(const char* p, TStringType& t) const;
+        void PackLeaf(char* buffer, const TStringType& data, size_t size) const;
+        size_t MeasureLeaf(const TStringType& data) const;
         size_t SkipLeaf(const char* p) const;
     };
 
     template <class TStringType>
-    inline void TStringPacker<TStringType>::UnpackLeaf(const char* buf, TStringType& t) const { 
+    inline void TStringPacker<TStringType>::UnpackLeaf(const char* buf, TStringType& t) const {
         size_t len;
         TIntegralPacker<size_t>().UnpackLeaf(buf, len);
         size_t start = TIntegralPacker<size_t>().SkipLeaf(buf);
-        t = TStringType((const typename TStringType::char_type*)(buf + start), len); 
+        t = TStringType((const typename TStringType::char_type*)(buf + start), len);
     }
 
     template <class TStringType>
-    inline void TStringPacker<TStringType>::PackLeaf(char* buf, const TStringType& str, size_t size) const { 
+    inline void TStringPacker<TStringType>::PackLeaf(char* buf, const TStringType& str, size_t size) const {
         size_t len = str.size();
-        size_t lenChar = len * sizeof(typename TStringType::char_type); 
+        size_t lenChar = len * sizeof(typename TStringType::char_type);
         size_t start = size - lenChar;
         TIntegralPacker<size_t>().PackLeaf(buf, len, TIntegralPacker<size_t>().MeasureLeaf(len));
         memcpy(buf + start, str.data(), lenChar);
     }
 
     template <class TStringType>
-    inline size_t TStringPacker<TStringType>::MeasureLeaf(const TStringType& str) const { 
+    inline size_t TStringPacker<TStringType>::MeasureLeaf(const TStringType& str) const {
         size_t len = str.size();
-        return TIntegralPacker<size_t>().MeasureLeaf(len) + len * sizeof(typename TStringType::char_type); 
+        return TIntegralPacker<size_t>().MeasureLeaf(len) + len * sizeof(typename TStringType::char_type);
     }
 
     template <class TStringType>
-    inline size_t TStringPacker<TStringType>::SkipLeaf(const char* buf) const { 
+    inline size_t TStringPacker<TStringType>::SkipLeaf(const char* buf) const {
         size_t result = TIntegralPacker<size_t>().SkipLeaf(buf);
         {
             size_t len;
             TIntegralPacker<size_t>().UnpackLeaf(buf, len);
-            result += len * sizeof(typename TStringType::char_type); 
+            result += len * sizeof(typename TStringType::char_type);
         }
         return result;
     }
@@ -304,7 +304,7 @@ namespace NPackers {
     //    - has subclass C::const_iterator
     //    - has methods begin() and end() (return C::const_iterator)
     //    - has method insert(C::const_iterator, const C::value_type&)
-    //  Examples: TVector, TList, TSet 
+    //  Examples: TVector, TList, TSet
     //  Requirements to class EP: has methods as in any packer (UnpackLeaf, PackLeaf, MeasureLeaf, SkipLeaf) that
     //    are applicable to C::value_type
 
diff --git a/library/cpp/packers/ut/region_packer_ut.cpp b/library/cpp/packers/ut/region_packer_ut.cpp
index b083320f61..0cb08ccf65 100644
--- a/library/cpp/packers/ut/region_packer_ut.cpp
+++ b/library/cpp/packers/ut/region_packer_ut.cpp
@@ -4,7 +4,7 @@
 template <typename TValue>
 void TestPacker() {
     TValue values[] = {1, 2, 3, 42};
-    TString buffer; 
+    TString buffer;
 
     TRegionPacker<TValue> p;
 
diff --git a/library/cpp/pop_count/benchmark/main.cpp b/library/cpp/pop_count/benchmark/main.cpp
index cc20c6f6c4..41ea3c91cc 100644
--- a/library/cpp/pop_count/benchmark/main.cpp
+++ b/library/cpp/pop_count/benchmark/main.cpp
@@ -9,8 +9,8 @@ template <class F, class I>
 inline void DoRun(F&& f, I&& i) {
     const ui64 n = i.Iterations();
 
-    for (ui64 j = 0; j < n; ++j) { 
-        Y_DO_NOT_OPTIMIZE_AWAY(f(j * (ui64)123456 + (ui64)1)); 
+    for (ui64 j = 0; j < n; ++j) {
+        Y_DO_NOT_OPTIMIZE_AWAY(f(j * (ui64)123456 + (ui64)1));
     }
 }
 
diff --git a/library/cpp/protobuf/json/json2proto.cpp b/library/cpp/protobuf/json/json2proto.cpp
index 9cd9007f15..640c10f5a5 100644
--- a/library/cpp/protobuf/json/json2proto.cpp
+++ b/library/cpp/protobuf/json/json2proto.cpp
@@ -34,7 +34,7 @@
         break;                                                                      \
     }
 
-static TString GetFieldName(const google::protobuf::FieldDescriptor& field, 
+static TString GetFieldName(const google::protobuf::FieldDescriptor& field,
                             const NProtobufJson::TJson2ProtoConfig& config) {
     if (config.NameGenerator) {
         return config.NameGenerator(field);
@@ -50,7 +50,7 @@ static TString GetFieldName(const google::protobuf::FieldDescriptor& field,
         return name;
     }
 
-    TString name = field.name(); 
+    TString name = field.name();
     switch (config.FieldNameMode) {
         case NProtobufJson::TJson2ProtoConfig::FieldNameOriginalCase:
             break;
@@ -318,7 +318,7 @@ Json2RepeatedField(const NJson::TJsonValue& json,
                    const NProtobufJson::TJson2ProtoConfig& config) {
     using namespace google::protobuf;
 
-    TString name = GetFieldName(field, config); 
+    TString name = GetFieldName(field, config);
     if (!json.Has(name))
         return;
 
diff --git a/library/cpp/protobuf/json/proto2json_printer.h b/library/cpp/protobuf/json/proto2json_printer.h
index 9057ac574c..9dc5aa86c6 100644
--- a/library/cpp/protobuf/json/proto2json_printer.h
+++ b/library/cpp/protobuf/json/proto2json_printer.h
@@ -7,7 +7,7 @@
 #include <google/protobuf/message.h>
 
 #include <util/generic/strbuf.h>
-#include <util/generic/string.h> 
+#include <util/generic/string.h>
 
 namespace NProtobufJson {
     struct TProto2JsonConfig;
diff --git a/library/cpp/protobuf/json/ut/inline_ut.cpp b/library/cpp/protobuf/json/ut/inline_ut.cpp
index 2f2efacf45..c29ad32e7d 100644
--- a/library/cpp/protobuf/json/ut/inline_ut.cpp
+++ b/library/cpp/protobuf/json/ut/inline_ut.cpp
@@ -5,7 +5,7 @@
 #include <library/cpp/protobuf/json/proto2json.h>
 #include <library/cpp/testing/unittest/registar.h>
 
-#include <util/generic/string.h> 
+#include <util/generic/string.h>
 
 using namespace NProtobufJson;
 
diff --git a/library/cpp/protobuf/json/ut/json.h b/library/cpp/protobuf/json/ut/json.h
index b36d848b58..c1f108e6e4 100644
--- a/library/cpp/protobuf/json/ut/json.h
+++ b/library/cpp/protobuf/json/ut/json.h
@@ -7,7 +7,7 @@
 #include <cstdarg>
 
 #include <util/generic/hash_set.h>
-#include <util/generic/string.h> 
+#include <util/generic/string.h>
 
 #include <util/system/defaults.h>
 
diff --git a/library/cpp/protobuf/json/ut/json2proto_ut.cpp b/library/cpp/protobuf/json/ut/json2proto_ut.cpp
index ce9d28222a..0dfe57bc7a 100644
--- a/library/cpp/protobuf/json/ut/json2proto_ut.cpp
+++ b/library/cpp/protobuf/json/ut/json2proto_ut.cpp
@@ -13,7 +13,7 @@
 #include <library/cpp/testing/unittest/registar.h>
 
 #include <util/generic/hash_set.h>
-#include <util/generic/string.h> 
+#include <util/generic/string.h>
 #include <util/generic/ylimits.h>
 #include <util/stream/str.h>
 #include <util/string/cast.h>
diff --git a/library/cpp/protobuf/json/ut/proto.h b/library/cpp/protobuf/json/ut/proto.h
index 53454cd950..8183bfc8e1 100644
--- a/library/cpp/protobuf/json/ut/proto.h
+++ b/library/cpp/protobuf/json/ut/proto.h
@@ -1,7 +1,7 @@
 #pragma once
 
 #include <util/generic/hash_set.h>
-#include <util/generic/string.h> 
+#include <util/generic/string.h>
 
 #include <util/system/defaults.h>
 
diff --git a/library/cpp/protobuf/json/ut/proto2json_ut.cpp b/library/cpp/protobuf/json/ut/proto2json_ut.cpp
index ed5a414b20..07e52d7f2f 100644
--- a/library/cpp/protobuf/json/ut/proto2json_ut.cpp
+++ b/library/cpp/protobuf/json/ut/proto2json_ut.cpp
@@ -12,7 +12,7 @@
 #include <library/cpp/testing/unittest/registar.h>
 
 #include <util/generic/hash_set.h>
-#include <util/generic/string.h> 
+#include <util/generic/string.h>
 #include <util/generic/ylimits.h>
 
 #include <util/stream/str.h>
diff --git a/library/cpp/protobuf/json/ut/repeated_fields.incl b/library/cpp/protobuf/json/ut/repeated_fields.incl
index 332482450f..e9548917d8 100644
--- a/library/cpp/protobuf/json/ut/repeated_fields.incl
+++ b/library/cpp/protobuf/json/ut/repeated_fields.incl
@@ -12,10 +12,10 @@ DEFINE_REPEATED_FIELD(FI64, ui64, 0ull, 1ull, Max<ui64>())
 DEFINE_REPEATED_FIELD(SFI32, i32, Min<i32>(), -1, 0, 1, Max<i32>())
 DEFINE_REPEATED_FIELD(SFI64, i64, Min<i64>(), -1ll, 0ll, 1ll, Max<i64>())
 DEFINE_REPEATED_FIELD(Bool, bool, false, true)
-DEFINE_REPEATED_FIELD(String, TString, "", "Lorem ipsum", "123123") 
-DEFINE_REPEATED_FIELD(Bytes, TString, "", "מחשב", "\x1") 
+DEFINE_REPEATED_FIELD(String, TString, "", "Lorem ipsum", "123123")
+DEFINE_REPEATED_FIELD(Bytes, TString, "", "מחשב", "\x1")
 DEFINE_REPEATED_FIELD(Enum, EEnum, E_1, E_2, E_3)
 DEFINE_REPEATED_FIELD(Float, float, 0.0f, 1.0f, 1.123f)
 DEFINE_REPEATED_FIELD(Double, double, 0.0, 1.0, 1.123456789012)
-DEFINE_REPEATED_FIELD(OneString, TString, "", "Lorem ipsum dolor", "1231231") 
-DEFINE_REPEATED_FIELD(OneTwoString, TString, "", "Lorem ipsum dolor sit", "12312312") 
+DEFINE_REPEATED_FIELD(OneString, TString, "", "Lorem ipsum dolor", "1231231")
+DEFINE_REPEATED_FIELD(OneTwoString, TString, "", "Lorem ipsum dolor sit", "12312312")
diff --git a/library/cpp/protobuf/json/ut/string_transform_ut.cpp b/library/cpp/protobuf/json/ut/string_transform_ut.cpp
index f5a0011b77..a31dabcb0f 100644
--- a/library/cpp/protobuf/json/ut/string_transform_ut.cpp
+++ b/library/cpp/protobuf/json/ut/string_transform_ut.cpp
@@ -6,7 +6,7 @@
 Y_UNIT_TEST_SUITE(TDoubleEscapeTransform) {
     Y_UNIT_TEST(TestEmptyString) {
         const NProtobufJson::IStringTransform& transform = NProtobufJson::TDoubleEscapeTransform();
-        TString s; 
+        TString s;
         s = "";
         transform.Transform(s);
         UNIT_ASSERT_EQUAL(s, "");
@@ -14,7 +14,7 @@ Y_UNIT_TEST_SUITE(TDoubleEscapeTransform) {
 
     Y_UNIT_TEST(TestAlphabeticString) {
         const NProtobufJson::IStringTransform& transform = NProtobufJson::TDoubleEscapeTransform();
-        TString s; 
+        TString s;
         s = "abacaba";
         transform.Transform(s);
         UNIT_ASSERT_EQUAL(s, "abacaba");
@@ -22,7 +22,7 @@ Y_UNIT_TEST_SUITE(TDoubleEscapeTransform) {
 
     Y_UNIT_TEST(TestRussianSymbols) {
         const NProtobufJson::IStringTransform& transform = NProtobufJson::TDoubleEscapeTransform();
-        TString s; 
+        TString s;
         s = "тест";
         transform.Transform(s);
         UNIT_ASSERT_EQUAL(s, "\\\\321\\\\202\\\\320\\\\265\\\\321\\\\201\\\\321\\\\202");
@@ -30,7 +30,7 @@ Y_UNIT_TEST_SUITE(TDoubleEscapeTransform) {
 
     Y_UNIT_TEST(TestEscapeSpecialSymbols) {
         const NProtobufJson::IStringTransform& transform = NProtobufJson::TDoubleEscapeTransform();
-        TString s; 
+        TString s;
         s = "aba\\ca\"ba";
         transform.Transform(s);
         Cerr << "###" << s << Endl;
@@ -41,7 +41,7 @@ Y_UNIT_TEST_SUITE(TDoubleEscapeTransform) {
 Y_UNIT_TEST_SUITE(TDoubleUnescapeTransform) {
     Y_UNIT_TEST(TestEmptyString) {
         const NProtobufJson::IStringTransform& transform = NProtobufJson::TDoubleUnescapeTransform();
-        TString s; 
+        TString s;
         s = "";
         transform.Transform(s);
         UNIT_ASSERT_EQUAL("", s);
@@ -49,7 +49,7 @@ Y_UNIT_TEST_SUITE(TDoubleUnescapeTransform) {
 
     Y_UNIT_TEST(TestAlphabeticString) {
         const NProtobufJson::IStringTransform& transform = NProtobufJson::TDoubleUnescapeTransform();
-        TString s; 
+        TString s;
         s = "abacaba";
         transform.Transform(s);
         Cerr << "###" << s << Endl;
@@ -58,7 +58,7 @@ Y_UNIT_TEST_SUITE(TDoubleUnescapeTransform) {
 
     Y_UNIT_TEST(TestRussianSymbols) {
         const NProtobufJson::IStringTransform& transform = NProtobufJson::TDoubleUnescapeTransform();
-        TString s; 
+        TString s;
         s = "\\\\321\\\\202\\\\320\\\\265\\\\321\\\\201\\\\321\\\\202";
         transform.Transform(s);
         UNIT_ASSERT_EQUAL("тест", s);
@@ -66,7 +66,7 @@ Y_UNIT_TEST_SUITE(TDoubleUnescapeTransform) {
 
     Y_UNIT_TEST(TestEscapeSpecialSymbols) {
         const NProtobufJson::IStringTransform& transform = NProtobufJson::TDoubleUnescapeTransform();
-        TString s; 
+        TString s;
         s = "aba\\\\\\\\ca\\\\\\\"ba";
         transform.Transform(s);
         UNIT_ASSERT_EQUAL("aba\\ca\"ba", s);
@@ -74,7 +74,7 @@ Y_UNIT_TEST_SUITE(TDoubleUnescapeTransform) {
 
     Y_UNIT_TEST(TestEscapeSpecialSymbolsDifficultCases) {
         const NProtobufJson::IStringTransform& transform = NProtobufJson::TDoubleUnescapeTransform();
-        TString s; 
+        TString s;
         s = "\\\\\\\\\\\\\\\\";
         transform.Transform(s);
         UNIT_ASSERT_EQUAL("\\\\", s);
diff --git a/library/cpp/protobuf/json/ut/test.proto b/library/cpp/protobuf/json/ut/test.proto
index 32ff53cd0b..0fa996fd41 100644
--- a/library/cpp/protobuf/json/ut/test.proto
+++ b/library/cpp/protobuf/json/ut/test.proto
@@ -131,7 +131,7 @@ message TCompositeRepeated {
     repeated TFlatOptional Part = 1;
 };
 
-message TMapType { 
+message TMapType {
     map<string, string> Items = 1;
 };
 
diff --git a/library/cpp/protobuf/util/is_equal_ut.cpp b/library/cpp/protobuf/util/is_equal_ut.cpp
index b3388783c4..3ca4c90dd5 100644
--- a/library/cpp/protobuf/util/is_equal_ut.cpp
+++ b/library/cpp/protobuf/util/is_equal_ut.cpp
@@ -24,7 +24,7 @@ Y_UNIT_TEST_SUITE(ProtobufIsEqual) {
         a.SetName("aaa");
         b.SetName("bbb");
 
-        TString path; 
+        TString path;
 
         bool equal = NProtoBuf::IsEqual(a, b, &path);
         UNIT_ASSERT(!equal);
@@ -40,7 +40,7 @@ Y_UNIT_TEST_SUITE(ProtobufIsEqual) {
         a.MutableInner()->SetBrbrbr("aaa");
         b.MutableInner()->SetBrbrbr("bbb");
 
-        TString path; 
+        TString path;
 
         bool equal = NProtoBuf::IsEqual(a, b, &path);
         UNIT_ASSERT(!equal);
diff --git a/library/cpp/protobuf/util/pb_io.cpp b/library/cpp/protobuf/util/pb_io.cpp
index 0a01549d79..6270ee0624 100644
--- a/library/cpp/protobuf/util/pb_io.cpp
+++ b/library/cpp/protobuf/util/pb_io.cpp
@@ -7,7 +7,7 @@
 #include <google/protobuf/messagext.h>
 #include <google/protobuf/text_format.h>
 
-#include <util/generic/string.h> 
+#include <util/generic/string.h>
 #include <util/stream/file.h>
 #include <util/stream/str.h>
 #include <util/string/cast.h>
@@ -101,10 +101,10 @@ void SerializeToTextFormat(const NProtoBuf::Message& m, IOutputStream& out) {
     }
 }
 
-void SerializeToTextFormat(const NProtoBuf::Message& m, const TString& fileName) { 
-    /* TUnbufferedFileOutput is unbuffered, but TCopyingOutputStreamAdaptor adds 
+void SerializeToTextFormat(const NProtoBuf::Message& m, const TString& fileName) {
+    /* TUnbufferedFileOutput is unbuffered, but TCopyingOutputStreamAdaptor adds
      * a buffer on top of it. */
-    TUnbufferedFileOutput stream(fileName); 
+    TUnbufferedFileOutput stream(fileName);
     SerializeToTextFormat(m, stream);
 }
 
@@ -150,15 +150,15 @@ void ParseFromTextFormat(IInputStream& in, NProtoBuf::Message& m,
     }
 }
 
-void ParseFromTextFormat(const TString& fileName, NProtoBuf::Message& m, 
+void ParseFromTextFormat(const TString& fileName, NProtoBuf::Message& m,
                          const EParseFromTextFormatOptions options) {
-    /* TUnbufferedFileInput is unbuffered, but TCopyingInputStreamAdaptor adds 
+    /* TUnbufferedFileInput is unbuffered, but TCopyingInputStreamAdaptor adds
     * a buffer on top of it. */
-    TUnbufferedFileInput stream(fileName); 
+    TUnbufferedFileInput stream(fileName);
     ParseFromTextFormat(stream, m, options);
 }
 
-bool TryParseFromTextFormat(const TString& fileName, NProtoBuf::Message& m, 
+bool TryParseFromTextFormat(const TString& fileName, NProtoBuf::Message& m,
                             const EParseFromTextFormatOptions options) {
     try {
         ParseFromTextFormat(fileName, m, options);
@@ -192,9 +192,9 @@ void MergeFromTextFormat(IInputStream& in, NProtoBuf::Message& m,
 
 void MergeFromTextFormat(const TString& fileName, NProtoBuf::Message& m,
                          const EParseFromTextFormatOptions options) {
-    /* TUnbufferedFileInput is unbuffered, but TCopyingInputStreamAdaptor adds 
+    /* TUnbufferedFileInput is unbuffered, but TCopyingInputStreamAdaptor adds
     * a buffer on top of it. */
-    TUnbufferedFileInput stream(fileName); 
+    TUnbufferedFileInput stream(fileName);
     MergeFromTextFormat(stream, m, options);
 }
 
diff --git a/library/cpp/protobuf/util/pb_io.h b/library/cpp/protobuf/util/pb_io.h
index 3a5e16ad67..493c84cb5f 100644
--- a/library/cpp/protobuf/util/pb_io.h
+++ b/library/cpp/protobuf/util/pb_io.h
@@ -32,11 +32,11 @@ namespace NProtoBuf {
 
     /* Serialize message into string and apply base64 URL encoding.
      */
-    TString SerializeToBase64String(const Message& m); 
-    void SerializeToBase64String(const Message& m, TString& dataBase64); 
-    bool TrySerializeToBase64String(const Message& m, TString& dataBase64); 
+    TString SerializeToBase64String(const Message& m);
+    void SerializeToBase64String(const Message& m, TString& dataBase64);
+    bool TrySerializeToBase64String(const Message& m, TString& dataBase64);
 
-    const TString ShortUtf8DebugString(const Message& message); 
+    const TString ShortUtf8DebugString(const Message& message);
 
     bool MergePartialFromString(NProtoBuf::Message& m, const TStringBuf serializedProtoMessage);
     bool MergeFromString(NProtoBuf::Message& m, const TStringBuf serializedProtoMessage);
@@ -45,7 +45,7 @@ namespace NProtoBuf {
 int operator&(NProtoBuf::Message& m, IBinSaver& f);
 
 // Write a textual representation of the given message to the given file.
-void SerializeToTextFormat(const NProtoBuf::Message& m, const TString& fileName); 
+void SerializeToTextFormat(const NProtoBuf::Message& m, const TString& fileName);
 void SerializeToTextFormat(const NProtoBuf::Message& m, IOutputStream& out);
 
 // Write a textual representation of the given message to the given output stream
@@ -64,7 +64,7 @@ enum class EParseFromTextFormatOption : ui64 {
 Y_DECLARE_FLAGS(EParseFromTextFormatOptions, EParseFromTextFormatOption);
 
 // Parse a text-format protocol message from the given file into message object.
-void ParseFromTextFormat(const TString& fileName, NProtoBuf::Message& m, 
+void ParseFromTextFormat(const TString& fileName, NProtoBuf::Message& m,
                          const EParseFromTextFormatOptions options = {});
 // NOTE: will read `in` till the end.
 void ParseFromTextFormat(IInputStream& in, NProtoBuf::Message& m,
@@ -74,7 +74,7 @@ void ParseFromTextFormat(IInputStream& in, NProtoBuf::Message& m,
  *
  * @see `ParseFromTextFormat`
  */
-bool TryParseFromTextFormat(const TString& fileName, NProtoBuf::Message& m, 
+bool TryParseFromTextFormat(const TString& fileName, NProtoBuf::Message& m,
                             const EParseFromTextFormatOptions options = {});
 // NOTE: will read `in` till the end.
 bool TryParseFromTextFormat(IInputStream& in, NProtoBuf::Message& m,
@@ -82,7 +82,7 @@ bool TryParseFromTextFormat(IInputStream& in, NProtoBuf::Message& m,
 
 // @see `ParseFromTextFormat`
 template <typename T>
-static T ParseFromTextFormat(const TString& fileName, 
+static T ParseFromTextFormat(const TString& fileName,
                              const EParseFromTextFormatOptions options = {}) {
     T message;
     ParseFromTextFormat(fileName, message, options);
diff --git a/library/cpp/protobuf/util/pb_io_ut.cpp b/library/cpp/protobuf/util/pb_io_ut.cpp
index de62b0b0a1..875d6dc602 100644
--- a/library/cpp/protobuf/util/pb_io_ut.cpp
+++ b/library/cpp/protobuf/util/pb_io_ut.cpp
@@ -23,7 +23,7 @@ static NProtobufUtilUt::TTextEnumTest GetCorrectEnumMessage() {
     return m;
 }
 
-static const TString CORRECT_MESSAGE = 
+static const TString CORRECT_MESSAGE =
     R"(Foo: 42
 )";
 static const TString CORRECT_ENUM_NAME_MESSAGE =
@@ -33,7 +33,7 @@ static const TString CORRECT_ENUM_ID_MESSAGE =
     R"(Slot: 1
 )";
 
-static const TString INCORRECT_MESSAGE = 
+static const TString INCORRECT_MESSAGE =
     R"(Bar: 1
 )";
 static const TString INCORRECT_ENUM_NAME_MESSAGE =
@@ -43,11 +43,11 @@ static const TString INCORRECT_ENUM_ID_MESSAGE =
     R"(Slot: 3
 )";
 
-static const TString CORRECT_BASE64_MESSAGE = "CCo,"; 
+static const TString CORRECT_BASE64_MESSAGE = "CCo,";
 
 static const TString CORRECT_UNEVEN_BASE64_MESSAGE = "CCo";
 
-static const TString INCORRECT_BASE64_MESSAGE = "CC"; 
+static const TString INCORRECT_BASE64_MESSAGE = "CC";
 
 Y_UNIT_TEST_SUITE(TTestProtoBufIO) {
     Y_UNIT_TEST(TestBase64) {
@@ -81,8 +81,8 @@ Y_UNIT_TEST_SUITE(TTestProtoBufIO) {
         const TFsPath correctFileName = TFsPath{tempDir()} / "correct.pb.txt";
         const TFsPath incorrectFileName = TFsPath{tempDir()} / "incorrect.pb.txt";
 
-        TFileOutput{correctFileName}.Write(CORRECT_MESSAGE); 
-        TFileOutput{incorrectFileName}.Write(INCORRECT_MESSAGE); 
+        TFileOutput{correctFileName}.Write(CORRECT_MESSAGE);
+        TFileOutput{incorrectFileName}.Write(INCORRECT_MESSAGE);
 
         {
             NProtobufUtilUt::TTextTest message;
@@ -138,8 +138,8 @@ Y_UNIT_TEST_SUITE(TTestProtoBufIO) {
         }
         {
             NProtobufUtilUt::TTextTest m;
-            const auto f = [&correctFileName](NProtobufUtilUt::TTextTest& mm) { 
-                mm = ParseFromTextFormat<NProtobufUtilUt::TTextTest>(correctFileName); 
+            const auto f = [&correctFileName](NProtobufUtilUt::TTextTest& mm) {
+                mm = ParseFromTextFormat<NProtobufUtilUt::TTextTest>(correctFileName);
             };
             UNIT_ASSERT_NO_EXCEPTION(f(m));
             UNIT_ASSERT(NProtoBuf::IsEqual(GetCorrectMessage(), m));
@@ -150,8 +150,8 @@ Y_UNIT_TEST_SUITE(TTestProtoBufIO) {
         {
             NProtobufUtilUt::TTextTest m;
             TStringInput in{CORRECT_MESSAGE};
-            const auto f = [&in](NProtobufUtilUt::TTextTest& mm) { 
-                mm = ParseFromTextFormat<NProtobufUtilUt::TTextTest>(in); 
+            const auto f = [&in](NProtobufUtilUt::TTextTest& mm) {
+                mm = ParseFromTextFormat<NProtobufUtilUt::TTextTest>(in);
             };
             UNIT_ASSERT_NO_EXCEPTION(f(m));
             UNIT_ASSERT(NProtoBuf::IsEqual(GetCorrectMessage(), m));
@@ -161,10 +161,10 @@ Y_UNIT_TEST_SUITE(TTestProtoBufIO) {
             UNIT_ASSERT_EXCEPTION(ParseFromTextFormat<NProtobufUtilUt::TTextTest>(in), yexception);
         }
         {
-            const TFsPath correctFileName2 = TFsPath{tempDir()} / "serialized.pb.txt"; 
+            const TFsPath correctFileName2 = TFsPath{tempDir()} / "serialized.pb.txt";
             const auto original = GetCorrectMessage();
-            UNIT_ASSERT_NO_EXCEPTION(SerializeToTextFormat(original, correctFileName2)); 
-            const auto serializedStr = TUnbufferedFileInput{correctFileName2}.ReadAll(); 
+            UNIT_ASSERT_NO_EXCEPTION(SerializeToTextFormat(original, correctFileName2));
+            const auto serializedStr = TUnbufferedFileInput{correctFileName2}.ReadAll();
             UNIT_ASSERT_VALUES_EQUAL(serializedStr, CORRECT_MESSAGE);
         }
         {
@@ -175,8 +175,8 @@ Y_UNIT_TEST_SUITE(TTestProtoBufIO) {
         }
         {
             NProtobufUtilUt::TTextTest m;
-            const auto f = [&correctFileName](NProtobufUtilUt::TTextTest& mm) { 
-                mm = ParseFromTextFormat<NProtobufUtilUt::TTextTest>( 
+            const auto f = [&correctFileName](NProtobufUtilUt::TTextTest& mm) {
+                mm = ParseFromTextFormat<NProtobufUtilUt::TTextTest>(
                     correctFileName,
                     EParseFromTextFormatOption::AllowUnknownField);
             };
@@ -186,8 +186,8 @@ Y_UNIT_TEST_SUITE(TTestProtoBufIO) {
         {
             const NProtobufUtilUt::TTextTest empty;
             NProtobufUtilUt::TTextTest m;
-            const auto f = [&incorrectFileName](NProtobufUtilUt::TTextTest& mm) { 
-                mm = ParseFromTextFormat<NProtobufUtilUt::TTextTest>( 
+            const auto f = [&incorrectFileName](NProtobufUtilUt::TTextTest& mm) {
+                mm = ParseFromTextFormat<NProtobufUtilUt::TTextTest>(
                     incorrectFileName,
                     EParseFromTextFormatOption::AllowUnknownField);
             };
@@ -258,8 +258,8 @@ Y_UNIT_TEST_SUITE(TTestProtoBufIO) {
         const TFsPath correctFileName = TFsPath{tempDir()} / "correct.pb.txt";
         const TFsPath incorrectFileName = TFsPath{tempDir()} / "incorrect.pb.txt";
 
-        TFileOutput{correctFileName}.Write(CORRECT_MESSAGE); 
-        TFileOutput{incorrectFileName}.Write(INCORRECT_MESSAGE); 
+        TFileOutput{correctFileName}.Write(CORRECT_MESSAGE);
+        TFileOutput{incorrectFileName}.Write(INCORRECT_MESSAGE);
 
         {
             NProtobufUtilUt::TTextTest message;
@@ -341,7 +341,7 @@ Y_UNIT_TEST_SUITE(TTestProtoBufIO) {
             const TFsPath correctFileName2 = TFsPath{tempDir()} / "serialized.pb.txt";
             const auto original = GetCorrectMessage();
             UNIT_ASSERT_NO_EXCEPTION(SerializeToTextFormat(original, correctFileName2));
-            const auto serializedStr = TUnbufferedFileInput{correctFileName2}.ReadAll(); 
+            const auto serializedStr = TUnbufferedFileInput{correctFileName2}.ReadAll();
             UNIT_ASSERT_VALUES_EQUAL(serializedStr, CORRECT_MESSAGE);
         }
         {
diff --git a/library/cpp/protobuf/util/simple_reflection_ut.cpp b/library/cpp/protobuf/util/simple_reflection_ut.cpp
index 28a1d3d360..169d4703c9 100644
--- a/library/cpp/protobuf/util/simple_reflection_ut.cpp
+++ b/library/cpp/protobuf/util/simple_reflection_ut.cpp
@@ -157,7 +157,7 @@ Y_UNIT_TEST_SUITE(ProtobufSimpleReflection) {
                 TMaybe<TConstField> field = TConstField::ByPath(msg, "OneStr");
                 UNIT_ASSERT(field);
                 UNIT_ASSERT(field->HasValue());
-                UNIT_ASSERT_VALUES_EQUAL("1", (field->Get<TString>())); 
+                UNIT_ASSERT_VALUES_EQUAL("1", (field->Get<TString>()));
             }
 
             {
@@ -218,7 +218,7 @@ Y_UNIT_TEST_SUITE(ProtobufSimpleReflection) {
                 TMaybe<TMutableField> field = TMutableField::ByPath(msg, "OneStr");
                 UNIT_ASSERT(field);
                 UNIT_ASSERT(!field->HasValue());
-                field->Set(TString("zz")); 
+                field->Set(TString("zz"));
                 UNIT_ASSERT(field->HasValue());
                 UNIT_ASSERT_VALUES_EQUAL("zz", msg.GetOneStr());
             }
@@ -227,7 +227,7 @@ Y_UNIT_TEST_SUITE(ProtobufSimpleReflection) {
                 TMaybe<TMutableField> field = TMutableField::ByPath(msg, "OneStr");
                 UNIT_ASSERT(field);
                 UNIT_ASSERT(field->HasValue());
-                field->Set(TString("dd")); 
+                field->Set(TString("dd"));
                 UNIT_ASSERT(field->HasValue());
                 UNIT_ASSERT_VALUES_EQUAL("dd", msg.GetOneStr());
             }
@@ -268,7 +268,7 @@ Y_UNIT_TEST_SUITE(ProtobufSimpleReflection) {
             {
                 TMaybe<TMutableField> field = TMutableField::ByPath(msg, "RepMsg/RepInt", true);
                 TMaybe<TMutableField> fieldCopy = TMutableField::ByPath(msg, "RepMsg/RepInt", true);
-                Y_UNUSED(fieldCopy); 
+                Y_UNUSED(fieldCopy);
                 UNIT_ASSERT(field);
                 UNIT_ASSERT(!field->HasValue());
                 UNIT_ASSERT_VALUES_EQUAL(1, msg.RepMsgSize());
diff --git a/library/cpp/protobuf/util/walk_ut.cpp b/library/cpp/protobuf/util/walk_ut.cpp
index 134c0a49f7..2ea6071b17 100644
--- a/library/cpp/protobuf/util/walk_ut.cpp
+++ b/library/cpp/protobuf/util/walk_ut.cpp
@@ -37,8 +37,8 @@ Y_UNIT_TEST_SUITE(ProtobufWalk) {
         TMutableField f(msg, fd);
         if (f.IsString()) {
             for (size_t i = 0; i < f.Size(); ++i)
-                if (f.Get<TString>(i).StartsWith('1')) 
-                    f.Set(f.Get<TString>(i) + f.Get<TString>(i), i); 
+                if (f.Get<TString>(i).StartsWith('1'))
+                    f.Set(f.Get<TString>(i) + f.Get<TString>(i), i);
         }
         return true;
     }
diff --git a/library/cpp/regex/hyperscan/hyperscan.cpp b/library/cpp/regex/hyperscan/hyperscan.cpp
index 98e402962d..ba321f9c29 100644
--- a/library/cpp/regex/hyperscan/hyperscan.cpp
+++ b/library/cpp/regex/hyperscan/hyperscan.cpp
@@ -249,7 +249,7 @@ namespace NHyperscan {
         return NPrivate::Matches(db, scratch, text, *Singleton<NPrivate::TImpl>());
     }
 
-    TString Serialize(const TDatabase& db) { 
+    TString Serialize(const TDatabase& db) {
         char* databaseBytes = nullptr;
         size_t databaseLength;
         hs_error_t status = Singleton<NPrivate::TImpl>()->SerializeDatabase(
@@ -260,7 +260,7 @@ namespace NHyperscan {
         if (status != HS_SUCCESS) {
             ythrow yexception() << "Failed to serialize hyperscan database";
         }
-        return TString(serialization.Get(), databaseLength); 
+        return TString(serialization.Get(), databaseLength);
     }
 
     TDatabase Deserialize(const TStringBuf& serialization) {
diff --git a/library/cpp/regex/hyperscan/hyperscan.h b/library/cpp/regex/hyperscan/hyperscan.h
index b615abea1d..1c8f404389 100644
--- a/library/cpp/regex/hyperscan/hyperscan.h
+++ b/library/cpp/regex/hyperscan/hyperscan.h
@@ -121,8 +121,8 @@ namespace NHyperscan {
     TDatabase Compile(const TStringBuf& regex, unsigned int flags, TCPUFeatures cpuFeatures);
 
     TDatabase CompileMulti(
-        const TVector<const char*>& regexs, 
-        const TVector<unsigned int>& flags, 
+        const TVector<const char*>& regexs,
+        const TVector<unsigned int>& flags,
         const TVector<unsigned int>& ids,
         const TVector<const hs_expr_ext_t*>* extendedParameters = nullptr);
 
@@ -154,7 +154,7 @@ namespace NHyperscan {
         const TScratch& scratch,
         const TStringBuf& text);
 
-    TString Serialize(const TDatabase& db); 
+    TString Serialize(const TDatabase& db);
 
     TDatabase Deserialize(const TStringBuf& serialization);
 }
diff --git a/library/cpp/regex/hyperscan/ut/hyperscan_ut.cpp b/library/cpp/regex/hyperscan/ut/hyperscan_ut.cpp
index 30b4024b33..9caa53f2e7 100644
--- a/library/cpp/regex/hyperscan/ut/hyperscan_ut.cpp
+++ b/library/cpp/regex/hyperscan/ut/hyperscan_ut.cpp
@@ -57,7 +57,7 @@ Y_UNIT_TEST_SUITE(HyperscanWrappers) {
         UNIT_ASSERT(NHyperscan::Matches(db, scratch, "BAR"));
         UNIT_ASSERT(!NHyperscan::Matches(db, scratch, "FOO"));
 
-        TSet<unsigned int> foundIds; 
+        TSet<unsigned int> foundIds;
         auto callback = [&](unsigned int id, unsigned long long /* from */, unsigned long long /* to */) {
             foundIds.insert(id);
         };
@@ -89,7 +89,7 @@ Y_UNIT_TEST_SUITE(HyperscanWrappers) {
         NHyperscan::TDatabase db = NHyperscan::Compile(
             "foo",
             HS_FLAG_DOTALL | HS_FLAG_SINGLEMATCH);
-        TString serialization = Serialize(db); 
+        TString serialization = Serialize(db);
         db.Reset();
         TDatabase db2 = Deserialize(serialization);
         NHyperscan::TScratch scratch = NHyperscan::MakeScratch(db2);
diff --git a/library/cpp/regex/pcre/regexp.cpp b/library/cpp/regex/pcre/regexp.cpp
index 335c27f2eb..575c09cee4 100644
--- a/library/cpp/regex/pcre/regexp.cpp
+++ b/library/cpp/regex/pcre/regexp.cpp
@@ -1,6 +1,6 @@
 #include "regexp.h"
 
-#include <util/generic/string.h> 
+#include <util/generic/string.h>
 #include <util/string/ascii.h>
 #include <util/system/defaults.h>
 
@@ -135,7 +135,7 @@ class TRegExBaseImpl: public TAtomicRefCount<TRegExBaseImpl> {
 
 protected:
     int CompileOptions;
-    TString RegExpr; 
+    TString RegExpr;
     regex_t Preg;
 
 public:
@@ -145,7 +145,7 @@ public:
         memset(&Preg, 0, sizeof(Preg));
     }
 
-    TRegExBaseImpl(const TString& re, int cflags) 
+    TRegExBaseImpl(const TString& re, int cflags)
         : CompileOptions(cflags)
         , RegExpr(re)
     {
@@ -188,7 +188,7 @@ public:
     }
 
 private:
-    TString Error; 
+    TString Error;
 };
 
 bool TRegExBase::IsCompiled() const {
@@ -201,14 +201,14 @@ TRegExBase::TRegExBase(const char* re, int cflags) {
     }
 }
 
-TRegExBase::TRegExBase(const TString& re, int cflags) { 
+TRegExBase::TRegExBase(const TString& re, int cflags) {
     Compile(re, cflags);
 }
 
 TRegExBase::~TRegExBase() {
 }
 
-void TRegExBase::Compile(const TString& re, int cflags) { 
+void TRegExBase::Compile(const TString& re, int cflags) {
     Impl = new TRegExBaseImpl(re, cflags);
 }
 
@@ -224,7 +224,7 @@ int TRegExBase::GetCompileOptions() const {
     return Impl->CompileOptions;
 }
 
-TString TRegExBase::GetRegExpr() const { 
+TString TRegExBase::GetRegExpr() const {
     if (!Impl)
         ythrow yexception() << "!Regular expression is not compiled";
     return Impl->RegExpr;
@@ -235,7 +235,7 @@ TRegExMatch::TRegExMatch(const char* re, int cflags)
 {
 }
 
-TRegExMatch::TRegExMatch(const TString& re, int cflags) 
+TRegExMatch::TRegExMatch(const TString& re, int cflags)
     : TRegExBase(re, cflags)
 {
 }
@@ -251,17 +251,17 @@ TRegExSubst::TRegExSubst(const char* re, int cflags)
     memset(Brfs, 0, sizeof(TBackReferences) * NMATCHES);
 }
 
-TString TRegExSubst::Replace(const char* str, int eflags) { 
-    TString s; 
+TString TRegExSubst::Replace(const char* str, int eflags) {
+    TString s;
     if (BrfsCount) {
         if (Exec(str, PMatch, eflags) == 0) {
             int i;
             for (i = 0; i < BrfsCount; i++) {
-                s += TString(Replacement, Brfs[i].Beg, Brfs[i].End - Brfs[i].Beg); 
+                s += TString(Replacement, Brfs[i].Beg, Brfs[i].End - Brfs[i].Beg);
                 if (Brfs[i].Refer >= 0 && Brfs[i].Refer < NMATCHES)
-                    s += TString(str, PMatch[Brfs[i].Refer].rm_so, int(PMatch[Brfs[i].Refer].rm_eo - PMatch[Brfs[i].Refer].rm_so)); 
+                    s += TString(str, PMatch[Brfs[i].Refer].rm_so, int(PMatch[Brfs[i].Refer].rm_eo - PMatch[Brfs[i].Refer].rm_so));
             }
-            s += TString(Replacement, Brfs[i].Beg, Brfs[i].End - Brfs[i].Beg); 
+            s += TString(Replacement, Brfs[i].Beg, Brfs[i].End - Brfs[i].Beg);
         }
     } else {
         s = Replacement;
diff --git a/library/cpp/regex/pcre/regexp.h b/library/cpp/regex/pcre/regexp.h
index 742fa20dac..bc610bd2f3 100644
--- a/library/cpp/regex/pcre/regexp.h
+++ b/library/cpp/regex/pcre/regexp.h
@@ -3,7 +3,7 @@
 #include <sys/types.h>
 
 #include <util/system/defaults.h>
-#include <util/generic/string.h> 
+#include <util/generic/string.h>
 #include <util/generic/yexception.h>
 
 #include <contrib/libs/pcre/pcre.h>
@@ -22,21 +22,21 @@ protected:
 
 public:
     TRegExBase(const char* regExpr = nullptr, int cflags = REG_EXTENDED);
-    TRegExBase(const TString& regExpr, int cflags = REG_EXTENDED); 
+    TRegExBase(const TString& regExpr, int cflags = REG_EXTENDED);
 
     virtual ~TRegExBase();
 
     int Exec(const char* str, regmatch_t pmatch[], int eflags, int nmatches = NMATCHES) const;
-    void Compile(const TString& regExpr, int cflags = REG_EXTENDED); 
+    void Compile(const TString& regExpr, int cflags = REG_EXTENDED);
     bool IsCompiled() const;
     int GetCompileOptions() const;
-    TString GetRegExpr() const; 
+    TString GetRegExpr() const;
 };
 
 class TRegExMatch: public TRegExBase {
 public:
     TRegExMatch(const char* regExpr = nullptr, int cflags = REG_NOSUB | REG_EXTENDED);
-    TRegExMatch(const TString& regExpr, int cflags = REG_NOSUB | REG_EXTENDED); 
+    TRegExMatch(const TString& regExpr, int cflags = REG_NOSUB | REG_EXTENDED);
 
     bool Match(const char* str) const;
 };
@@ -58,6 +58,6 @@ private:
 public:
     TRegExSubst(const char* regExpr = nullptr, int cflags = REG_EXTENDED);
 
-    TString Replace(const char* str, int eflags = 0); 
+    TString Replace(const char* str, int eflags = 0);
     int ParseReplacement(const char* replacement);
 };
diff --git a/library/cpp/regex/pcre/regexp_ut.cpp b/library/cpp/regex/pcre/regexp_ut.cpp
index 4047ebffbd..5184e801cc 100644
--- a/library/cpp/regex/pcre/regexp_ut.cpp
+++ b/library/cpp/regex/pcre/regexp_ut.cpp
@@ -56,7 +56,7 @@ private:
     inline void TestRe() {
         for (const auto& regTest : REGTEST_DATA) {
             memset(Matches, 0, sizeof(Matches));
-            TString result; 
+            TString result;
 
             TRegExBase re(regTest.Regexp, regTest.CompileOptions);
             if (re.Exec(regTest.Data, Matches, regTest.RunOptions) == 0) {
@@ -78,13 +78,13 @@ private:
         for (const auto& substTest : SUBSTTEST_DATA) {
             TRegExSubst subst(substTest.Regexp, substTest.CompileOptions);
             subst.ParseReplacement(substTest.Replacement);
-            TString result = subst.Replace(substTest.Data, substTest.RunOptions); 
+            TString result = subst.Replace(substTest.Data, substTest.RunOptions);
             UNIT_ASSERT_VALUES_EQUAL(result, substTest.Result);
             TRegExSubst substCopy = subst;
             subst.ParseReplacement(substTest.Replacement2);
-            TString newResult = subst.Replace(substTest.Data, substTest.RunOptions); 
+            TString newResult = subst.Replace(substTest.Data, substTest.RunOptions);
             UNIT_ASSERT_VALUES_UNEQUAL(newResult.c_str(), result.c_str());
-            TString copyResult = substCopy.Replace(substTest.Data, substTest.RunOptions); 
+            TString copyResult = substCopy.Replace(substTest.Data, substTest.RunOptions);
             UNIT_ASSERT_VALUES_EQUAL(copyResult, result);
             substCopy = subst;
             copyResult = substCopy.Replace(substTest.Data, substTest.RunOptions);
diff --git a/library/cpp/regex/pire/pcre2pire.cpp b/library/cpp/regex/pire/pcre2pire.cpp
index d989656e1c..f788beb85f 100644
--- a/library/cpp/regex/pire/pcre2pire.cpp
+++ b/library/cpp/regex/pire/pcre2pire.cpp
@@ -3,7 +3,7 @@
 #include <util/generic/yexception.h>
 
 TString Pcre2Pire(const TString& src) {
-    TVector<char> result; 
+    TVector<char> result;
     result.reserve(src.size() + 1);
 
     enum EState {
diff --git a/library/cpp/regex/pire/pcre2pire.h b/library/cpp/regex/pire/pcre2pire.h
index 054fea6f01..46e45b9193 100644
--- a/library/cpp/regex/pire/pcre2pire.h
+++ b/library/cpp/regex/pire/pcre2pire.h
@@ -2,7 +2,7 @@
 
 // Author: smikler@yandex-team.ru
 
-#include <util/generic/string.h> 
+#include <util/generic/string.h>
 
 /* Converts pcre regular expression to pire compatible format:
  *   - replaces "\\#" with "#"
@@ -16,4 +16,4 @@
  * NOTE:
  *   - Not fully tested!
  */
-TString Pcre2Pire(const TString& src); 
+TString Pcre2Pire(const TString& src);
diff --git a/library/cpp/regex/pire/regexp.h b/library/cpp/regex/pire/regexp.h
index f3b98bc91c..94bba4064b 100644
--- a/library/cpp/regex/pire/regexp.h
+++ b/library/cpp/regex/pire/regexp.h
@@ -6,7 +6,7 @@
 #include <library/cpp/charset/recyr.hh>
 #include <util/generic/maybe.h>
 #include <util/generic/strbuf.h>
-#include <util/generic/string.h> 
+#include <util/generic/string.h>
 #include <util/generic/vector.h>
 #include <util/generic/yexception.h>
 
@@ -15,22 +15,22 @@ namespace NRegExp {
 
     struct TFsmBase {
         struct TOptions {
-            inline TOptions& SetCaseInsensitive(bool v) noexcept { 
+            inline TOptions& SetCaseInsensitive(bool v) noexcept {
                 CaseInsensitive = v;
                 return *this;
             }
 
-            inline TOptions& SetSurround(bool v) noexcept { 
+            inline TOptions& SetSurround(bool v) noexcept {
                 Surround = v;
                 return *this;
             }
 
-            inline TOptions& SetCapture(size_t pos) noexcept { 
+            inline TOptions& SetCapture(size_t pos) noexcept {
                 CapturePos = pos;
                 return *this;
             }
 
-            inline TOptions& SetCharset(ECharset charset) noexcept { 
+            inline TOptions& SetCharset(ECharset charset) noexcept {
                 Charset = charset;
                 return *this;
             }
@@ -118,7 +118,7 @@ namespace NRegExp {
         {
         }
 
-        inline const TScanner& GetScanner() const noexcept { 
+        inline const TScanner& GetScanner() const noexcept {
             return Scanner;
         }
 
@@ -202,7 +202,7 @@ namespace NRegExp {
             Fsm.GetScanner().Initialize(State);
         }
 
-        inline bool Final() const noexcept { 
+        inline bool Final() const noexcept {
             return GetScanner().Final(GetState());
         }
 
@@ -217,11 +217,11 @@ namespace NRegExp {
             }
         }
 
-        inline const typename TFsm::TScanner& GetScanner() const noexcept { 
+        inline const typename TFsm::TScanner& GetScanner() const noexcept {
             return Fsm.GetScanner();
         }
 
-        inline const TState& GetState() const noexcept { 
+        inline const TState& GetState() const noexcept {
             return State;
         }
 
@@ -245,13 +245,13 @@ namespace NRegExp {
             return Match(s.data(), s.size(), addBegin, addEnd);
         }
 
-        inline const char* Find(const char* b, const char* e) noexcept { 
+        inline const char* Find(const char* b, const char* e) noexcept {
             return NPire::ShortestPrefix(GetScanner(), b, e);
         }
 
         typedef std::pair<const size_t*, const size_t*> TMatchedRegexps;
 
-        inline TMatchedRegexps MatchedRegexps() const noexcept { 
+        inline TMatchedRegexps MatchedRegexps() const noexcept {
             return GetScanner().AcceptedRegexps(GetState());
         }
     };
@@ -263,7 +263,7 @@ namespace NRegExp {
         {
         }
 
-        inline bool Captured() const noexcept { 
+        inline bool Captured() const noexcept {
             return GetState().Captured();
         }
 
@@ -277,7 +277,7 @@ namespace NRegExp {
             return Search(s.data(), s.size());
         }
 
-        inline TStringBuf GetCaptured() const noexcept { 
+        inline TStringBuf GetCaptured() const noexcept {
             return TStringBuf(Data.data() + GetState().Begin() - 1,
                               Data.data() + GetState().End() - 1);
         }
diff --git a/library/cpp/regex/pire/ut/ya.make b/library/cpp/regex/pire/ut/ya.make
index 117ef9694f..8776695f40 100644
--- a/library/cpp/regex/pire/ut/ya.make
+++ b/library/cpp/regex/pire/ut/ya.make
@@ -1,4 +1,4 @@
-# this test in not linked into build tree with ReCURSE and is built by unittest/library 
+# this test in not linked into build tree with ReCURSE and is built by unittest/library
 
 UNITTEST()
 
diff --git a/library/cpp/resource/registry.cpp b/library/cpp/resource/registry.cpp
index cf9dbb1be7..66001c4769 100644
--- a/library/cpp/resource/registry.cpp
+++ b/library/cpp/resource/registry.cpp
@@ -20,7 +20,7 @@ namespace {
 
     typedef std::pair<TStringBuf, TStringBuf> TDescriptor;
 
-    struct TStore: public IStore, public THashMap<TStringBuf, TDescriptor*> { 
+    struct TStore: public IStore, public THashMap<TStringBuf, TDescriptor*> {
         void Store(const TStringBuf key, const TStringBuf data) override {
             if (contains(key)) {
                 const TStringBuf value = (*this)[key]->second;
@@ -87,7 +87,7 @@ namespace {
             }
         }
 
-        size_t Count() const noexcept override { 
+        size_t Count() const noexcept override {
             return D_.size();
         }
 
@@ -95,7 +95,7 @@ namespace {
             return D_.at(idx).first;
         }
 
-        typedef TDeque<TDescriptor> TDescriptors; 
+        typedef TDeque<TDescriptor> TDescriptors;
         TDescriptors D_;
     };
 }
diff --git a/library/cpp/resource/registry.h b/library/cpp/resource/registry.h
index 3e7987be90..fe67702cbc 100644
--- a/library/cpp/resource/registry.h
+++ b/library/cpp/resource/registry.h
@@ -1,6 +1,6 @@
 #pragma once
 
-#include <util/generic/string.h> 
+#include <util/generic/string.h>
 #include <util/generic/strbuf.h>
 
 #include "resource.h"
@@ -19,7 +19,7 @@ namespace NResource {
         virtual void Store(const TStringBuf key, const TStringBuf data) = 0;
         virtual bool FindExact(const TStringBuf key, TString* out) const = 0;
         virtual void FindMatch(const TStringBuf subkey, IMatch& cb) const = 0;
-        virtual size_t Count() const noexcept = 0; 
+        virtual size_t Count() const noexcept = 0;
         virtual TStringBuf KeyByIndex(size_t idx) const = 0;
         virtual ~IStore() {
         }
diff --git a/library/cpp/resource/resource.cpp b/library/cpp/resource/resource.cpp
index 291b9d1215..cc20f847a5 100644
--- a/library/cpp/resource/resource.cpp
+++ b/library/cpp/resource/resource.cpp
@@ -31,7 +31,7 @@ void NResource::FindMatch(const TStringBuf subkey, TResources* out) {
 }
 
 TString NResource::Find(const TStringBuf key) {
-    TString ret; 
+    TString ret;
 
     if (FindExact(key, &ret)) {
         return ret;
@@ -40,7 +40,7 @@ TString NResource::Find(const TStringBuf key) {
     ythrow yexception() << "can not find resource with path " << key;
 }
 
-size_t NResource::Count() noexcept { 
+size_t NResource::Count() noexcept {
     return CommonStore()->Count();
 }
 
@@ -48,8 +48,8 @@ TStringBuf NResource::KeyByIndex(size_t idx) {
     return CommonStore()->KeyByIndex(idx);
 }
 
-TVector<TStringBuf> NResource::ListAllKeys() { 
-    TVector<TStringBuf> res(Reserve(NResource::Count())); 
+TVector<TStringBuf> NResource::ListAllKeys() {
+    TVector<TStringBuf> res(Reserve(NResource::Count()));
     for (auto i : xrange(NResource::Count())) {
         res.push_back(NResource::KeyByIndex(i));
     }
diff --git a/library/cpp/resource/resource.h b/library/cpp/resource/resource.h
index 201b319363..42dd0f1891 100644
--- a/library/cpp/resource/resource.h
+++ b/library/cpp/resource/resource.h
@@ -1,22 +1,22 @@
 #pragma once
 
-#include <util/generic/string.h> 
+#include <util/generic/string.h>
 #include <util/generic/strbuf.h>
 #include <util/generic/vector.h>
 
 namespace NResource {
     struct TResource {
         TStringBuf Key;
-        TString Data; 
+        TString Data;
     };
 
-    typedef TVector<TResource> TResources; 
+    typedef TVector<TResource> TResources;
 
     TString Find(const TStringBuf key);
     bool FindExact(const TStringBuf key, TString* out);
     //perform full scan for now
     void FindMatch(const TStringBuf subkey, TResources* out);
-    size_t Count() noexcept; 
+    size_t Count() noexcept;
     TStringBuf KeyByIndex(size_t idx);
-    TVector<TStringBuf> ListAllKeys(); 
+    TVector<TStringBuf> ListAllKeys();
 }
diff --git a/library/cpp/scheme/domscheme_traits.h b/library/cpp/scheme/domscheme_traits.h
index 3d6e92e803..a11c4dd444 100644
--- a/library/cpp/scheme/domscheme_traits.h
+++ b/library/cpp/scheme/domscheme_traits.h
@@ -7,7 +7,7 @@ struct TSchemeTraits {
     using TValue = NSc::TValue;
     using TValueRef = TValue*;
     using TConstValueRef = const TValue*;
-    using TStringType = TStringBuf; 
+    using TStringType = TStringBuf;
 
     // anyvalue defaults
     template <class T>
@@ -213,8 +213,8 @@ struct TSchemeTraits {
     }
 
     // validation ops
-    static inline TVector<TString> GetKeys(TConstValueRef v) { 
-        TVector<TString> res; 
+    static inline TVector<TString> GetKeys(TConstValueRef v) {
+        TVector<TString> res;
         for (const auto& key : v->DictKeys(true)) {
             res.push_back(ToString(key));
         }
diff --git a/library/cpp/scheme/scheme.cpp b/library/cpp/scheme/scheme.cpp
index cade561ed4..3efd116d4f 100644
--- a/library/cpp/scheme/scheme.cpp
+++ b/library/cpp/scheme/scheme.cpp
@@ -128,7 +128,7 @@ namespace NSc {
         return deflt;
     }
 
-    TString TValue::ForceString(const TString& deflt) const { 
+    TString TValue::ForceString(const TString& deflt) const {
         const TScCore& core = Core();
         if (core.IsString()) {
             return ToString(core.GetString(TStringBuf()));
@@ -584,7 +584,7 @@ namespace NSc {
     LIBRARY_SCHEME_DECLARE_TVALUE_OPS_IMPL(double, CompareFloat)
 
     LIBRARY_SCHEME_DECLARE_TVALUE_OPS_IMPL(TStringBuf, CompareStr)
-    LIBRARY_SCHEME_DECLARE_TVALUE_OPS_IMPL(const TString&, CompareStr) 
+    LIBRARY_SCHEME_DECLARE_TVALUE_OPS_IMPL(const TString&, CompareStr)
     LIBRARY_SCHEME_DECLARE_TVALUE_OPS_IMPL(const char* const, CompareStr)
 
 #undef LIBRARY_SCHEME_DECLARE_TVALUE_OPS_IMPL
diff --git a/library/cpp/scheme/scheme.h b/library/cpp/scheme/scheme.h
index 8d32fd88d5..3d7c59f3c9 100644
--- a/library/cpp/scheme/scheme.h
+++ b/library/cpp/scheme/scheme.h
@@ -176,7 +176,7 @@ namespace NSc {
 
         inline TValue& SetString(TStringBuf val = TStringBuf()); // returns self
 
-        TString ForceString(const TString& deflt = TString()) const; // Best-effort cast to TString (will do ToString for numeric types) 
+        TString ForceString(const TString& deflt = TString()) const; // Best-effort cast to TString (will do ToString for numeric types)
 
         // todo: remove
         inline bool StringEmpty() const;
@@ -301,11 +301,11 @@ namespace NSc {
         static bool FromJson(TValue&, TStringBuf, const TJsonOpts& = TJsonOpts());
 
         // TODO: Переименовать ToJson в ToJsonUnsafe, а ToJsonSafe в ToJson
-        TString ToJson(const TJsonOpts& = TJsonOpts()) const; 
+        TString ToJson(const TJsonOpts& = TJsonOpts()) const;
         const TValue& ToJson(IOutputStream&, const TJsonOpts& = TJsonOpts()) const; // returns self
 
         // ToJson(JO_SORT_KEYS | JO_SKIP_UNSAFE)
-        TString ToJsonSafe(const TJsonOpts& = TJsonOpts()) const; 
+        TString ToJsonSafe(const TJsonOpts& = TJsonOpts()) const;
         const TValue& ToJsonSafe(IOutputStream&, const TJsonOpts& = TJsonOpts()) const;
 
         // ToJson(JO_SORT_KEYS | JO_PRETTY | JO_SKIP_UNSAFE)
@@ -354,7 +354,7 @@ namespace NSc {
         // TODO: add throwing variants
         // make sure to properly escape the tokens
 
-        static TString EscapeForPath(TStringBuf rawKey); // converts a raw dict key into a valid token for a selector path 
+        static TString EscapeForPath(TStringBuf rawKey); // converts a raw dict key into a valid token for a selector path
 
         static bool PathValid(TStringBuf path); // returns true if the path is syntactically valid
 
@@ -514,7 +514,7 @@ namespace NSc {
     // todo: allow insertions
     // todo: make TDict methods safe
     class TDict: public THashMap<TStringBuf, TValue, THash<TStringBuf>, TEqualTo<TStringBuf>, TPoolAllocator>, TNonCopyable {
-        using TParent = THashMap<TStringBuf, TValue, THash<TStringBuf>, TEqualTo<TStringBuf>, TPoolAllocator>; 
+        using TParent = THashMap<TStringBuf, TValue, THash<TStringBuf>, TEqualTo<TStringBuf>, TPoolAllocator>;
 
     public:
         TDict(TMemoryPool* p)
diff --git a/library/cpp/scheme/scheme_cast.h b/library/cpp/scheme/scheme_cast.h
index 4ab215a0be..00839e8017 100644
--- a/library/cpp/scheme/scheme_cast.h
+++ b/library/cpp/scheme/scheme_cast.h
@@ -31,35 +31,35 @@ namespace NJsonConverters {
     // fwd declarations
     //////////////////////////////////////////////////////////////////////
 
-    //TVector 
+    //TVector
     template <typename T, typename A>
-    NSc::TValue ToTValue(const TVector<T, A>& x); 
+    NSc::TValue ToTValue(const TVector<T, A>& x);
     template <typename T, typename A>
-    void FromTValue(const NSc::TValue& x, TVector<T, A>& out, const bool validate); 
+    void FromTValue(const NSc::TValue& x, TVector<T, A>& out, const bool validate);
 
-    //THashMap 
+    //THashMap
     template <class Key, class T, class HashFcn, class EqualKey, class Alloc>
-    NSc::TValue ToTValue(const THashMap<Key, T, HashFcn, EqualKey, Alloc>& x); 
+    NSc::TValue ToTValue(const THashMap<Key, T, HashFcn, EqualKey, Alloc>& x);
     template <class Key, class T, class HashFcn, class EqualKey, class Alloc>
-    void FromTValue(const NSc::TValue& x, THashMap<Key, T, HashFcn, EqualKey, Alloc>& out, const bool validate); 
+    void FromTValue(const NSc::TValue& x, THashMap<Key, T, HashFcn, EqualKey, Alloc>& out, const bool validate);
 
-    //TMap 
+    //TMap
     template <class K, class V, class Less, class A>
-    NSc::TValue ToTValue(const TMap<K, V, Less, A>& x); 
+    NSc::TValue ToTValue(const TMap<K, V, Less, A>& x);
     template <class K, class V, class Less, class A>
-    void FromTValue(const NSc::TValue& x, TMap<K, V, Less, A>& out, const bool validate); 
+    void FromTValue(const NSc::TValue& x, TMap<K, V, Less, A>& out, const bool validate);
 
-    //THashSet 
+    //THashSet
     template <class V, class H, class E, class A>
-    NSc::TValue ToTValue(const THashSet<V, H, E, A>& x); 
+    NSc::TValue ToTValue(const THashSet<V, H, E, A>& x);
     template <class V, class H, class E, class A>
-    void FromTValue(const NSc::TValue& x, THashSet<V, H, E, A>& out, const bool validate); 
+    void FromTValue(const NSc::TValue& x, THashSet<V, H, E, A>& out, const bool validate);
 
-    //TSet 
+    //TSet
     template <class K, class L, class A>
-    NSc::TValue ToTValue(const TSet<K, L, A>& x); 
+    NSc::TValue ToTValue(const TSet<K, L, A>& x);
     template <class K, class L, class A>
-    void FromTValue(const NSc::TValue& x, TSet<K, L, A>& out, const bool validate); 
+    void FromTValue(const NSc::TValue& x, TSet<K, L, A>& out, const bool validate);
 
     //std::pair
     template <class T1, class T2>
@@ -83,7 +83,7 @@ namespace NJsonConverters {
             out = x;
         }
 
-        static TString ToString(const T& x) { 
+        static TString ToString(const T& x) {
             return ::ToString(x);
         }
 
@@ -102,7 +102,7 @@ namespace NJsonConverters {
             out.FromTValue(x, validate);
         }
 
-        static TString ToString(const T& x) { 
+        static TString ToString(const T& x) {
             return x.ToJson();
         }
 
@@ -129,7 +129,7 @@ namespace NJsonConverters {
     }
 
     template <typename T>
-    TString ToString(const T& x) { 
+    TString ToString(const T& x) {
         return TValueAndStrokaConv<T, std::is_base_of<IJsonSerializable, T>::value>::ToString(x);
     }
 
@@ -204,16 +204,16 @@ namespace NJsonConverters {
     // TVector
     //////////////////////////////////////////////////////////////////////
     template <typename T, typename A>
-    NSc::TValue ToTValue(const TVector<T, A>& x) { 
+    NSc::TValue ToTValue(const TVector<T, A>& x) {
         NSc::TValue out;
         out.SetArray();
-        for (typename TVector<T, A>::const_iterator it = x.begin(); it != x.end(); ++it) 
+        for (typename TVector<T, A>::const_iterator it = x.begin(); it != x.end(); ++it)
             out.Push(NJsonConverters::ToTValue(*it));
         return out;
     }
 
     template <typename T, typename A>
-    void FromTValue(const NSc::TValue& x, TVector<T, A>& out, const bool validate) { 
+    void FromTValue(const NSc::TValue& x, TVector<T, A>& out, const bool validate) {
         if (validate)
             Y_ENSURE(x.IsArray() || x.IsNull(), "not valid input scheme");
         out.clear();
@@ -232,22 +232,22 @@ namespace NJsonConverters {
     // THashMap & TMap
     //////////////////////////////////////////////////////////////////////
     template <class Key, class T, class HashFcn, class EqualKey, class Alloc>
-    NSc::TValue ToTValue(const THashMap<Key, T, HashFcn, EqualKey, Alloc>& x) { 
+    NSc::TValue ToTValue(const THashMap<Key, T, HashFcn, EqualKey, Alloc>& x) {
         return NPrivate::ToTValueDict(x);
     }
 
     template <class Key, class T, class HashFcn, class EqualKey, class Alloc>
-    void FromTValue(const NSc::TValue& x, THashMap<Key, T, HashFcn, EqualKey, Alloc>& out, const bool validate) { 
+    void FromTValue(const NSc::TValue& x, THashMap<Key, T, HashFcn, EqualKey, Alloc>& out, const bool validate) {
         NPrivate::FromTValueDict(x, out, validate);
     }
 
     template <class K, class V, class Less, class A>
-    NSc::TValue ToTValue(const TMap<K, V, Less, A>& x) { 
+    NSc::TValue ToTValue(const TMap<K, V, Less, A>& x) {
         return NPrivate::ToTValueDict(x);
     }
 
     template <class K, class V, class Less, class A>
-    void FromTValue(const NSc::TValue& x, TMap<K, V, Less, A>& out, const bool validate) { 
+    void FromTValue(const NSc::TValue& x, TMap<K, V, Less, A>& out, const bool validate) {
         NPrivate::FromTValueDict(x, out, validate);
     }
 
@@ -255,22 +255,22 @@ namespace NJsonConverters {
     // THashSet & TSet
     //////////////////////////////////////////////////////////////////////
     template <class V, class H, class E, class A>
-    NSc::TValue ToTValue(const THashSet<V, H, E, A>& x) { 
+    NSc::TValue ToTValue(const THashSet<V, H, E, A>& x) {
         return NPrivate::ToTValueSet(x);
     }
 
     template <class V, class H, class E, class A>
-    void FromTValue(const NSc::TValue& x, THashSet<V, H, E, A>& out, const bool validate) { 
+    void FromTValue(const NSc::TValue& x, THashSet<V, H, E, A>& out, const bool validate) {
         NPrivate::FromTValueSet(x, out, validate);
     }
 
     template <class K, class L, class A>
-    NSc::TValue ToTValue(const TSet<K, L, A>& x) { 
+    NSc::TValue ToTValue(const TSet<K, L, A>& x) {
         return NPrivate::ToTValueSet(x);
     }
 
     template <class K, class L, class A>
-    void FromTValue(const NSc::TValue& x, TSet<K, L, A>& out, const bool validate) { 
+    void FromTValue(const NSc::TValue& x, TSet<K, L, A>& out, const bool validate) {
         NPrivate::FromTValueSet(x, out, validate);
     }
 
@@ -307,7 +307,7 @@ namespace NJsonConverters {
     // global user functions
     //////////////////////////////////////////////////////////////////////
     template <typename T>
-    TString ToJson(const T& val, const bool sort = false) { 
+    TString ToJson(const T& val, const bool sort = false) {
         return NJsonConverters::ToTValue(val).ToJson(sort);
     }
 
diff --git a/library/cpp/scheme/scimpl.h b/library/cpp/scheme/scimpl.h
index 984f4076e5..4f68f16290 100644
--- a/library/cpp/scheme/scimpl.h
+++ b/library/cpp/scheme/scimpl.h
@@ -849,7 +849,7 @@ namespace NSc {
     LIBRARY_SCHEME_DECLARE_TVALUE_OPS(double, CompareFloat)
 
     LIBRARY_SCHEME_DECLARE_TVALUE_OPS(TStringBuf, CompareStr)
-    LIBRARY_SCHEME_DECLARE_TVALUE_OPS(const TString&, CompareStr) 
+    LIBRARY_SCHEME_DECLARE_TVALUE_OPS(const TString&, CompareStr)
     LIBRARY_SCHEME_DECLARE_TVALUE_OPS(const char* const, CompareStr)
 
 #undef LIBRARY_SCHEME_DECLARE_TVALUE_OPS
diff --git a/library/cpp/scheme/scimpl_defs.h b/library/cpp/scheme/scimpl_defs.h
index 638488c6b6..f3dd66b437 100644
--- a/library/cpp/scheme/scimpl_defs.h
+++ b/library/cpp/scheme/scimpl_defs.h
@@ -10,7 +10,7 @@
 #include <util/generic/hash.h>
 #include <util/generic/ptr.h>
 #include <util/generic/strbuf.h>
-#include <util/generic/string.h> 
+#include <util/generic/string.h>
 #include <util/generic/vector.h>
 #include <functional>
 #include <util/string/vector.h>
@@ -43,7 +43,7 @@ namespace NSc {
         };
     }
 
-    using TStringBufs = TVector<TStringBuf>; 
+    using TStringBufs = TVector<TStringBuf>;
 
     class TSchemeException : public yexception {
     };
@@ -51,12 +51,12 @@ namespace NSc {
     class TSchemeParseException : public TSchemeException {
     public:
         size_t Offset = 0;
-        TString Reason; 
+        TString Reason;
 
     public:
         TSchemeParseException() = default;
 
-        TSchemeParseException(size_t off, const TString& reason) 
+        TSchemeParseException(size_t off, const TString& reason)
             : Offset(off)
             , Reason(reason)
         {
diff --git a/library/cpp/scheme/scimpl_json_read.cpp b/library/cpp/scheme/scimpl_json_read.cpp
index 12b7625200..8a29cc7739 100644
--- a/library/cpp/scheme/scimpl_json_read.cpp
+++ b/library/cpp/scheme/scimpl_json_read.cpp
@@ -7,7 +7,7 @@
 namespace NSc {
     struct TJsonError {
         size_t Offset = 0;
-        TMaybe<TString> Reason; 
+        TMaybe<TString> Reason;
     };
 
     struct TJsonDeserializer : NJson::TJsonCallbacks {
@@ -57,14 +57,14 @@ namespace NSc {
             }
         };
 
-        typedef TVector<TContainer> TStackType; 
+        typedef TVector<TContainer> TStackType;
 
     public:
         TValue& Root;
         TJsonError& Error;
         const TJsonOpts& Cfg;
 
-        TStackType Stack; 
+        TStackType Stack;
         bool Virgin = true;
 
     public:
@@ -213,7 +213,7 @@ namespace NSc {
             return res;
         }
 
-        TString reason = err.Reason.Empty() ? "NULL" : *err.Reason; 
+        TString reason = err.Reason.Empty() ? "NULL" : *err.Reason;
         ythrow TSchemeParseException(err.Offset, reason) << "JSON error at offset " << err.Offset << " (" << reason << ")";
     }
 
diff --git a/library/cpp/scheme/scimpl_json_write.cpp b/library/cpp/scheme/scimpl_json_write.cpp
index 60026e8d09..aadd7e6cd5 100644
--- a/library/cpp/scheme/scimpl_json_write.cpp
+++ b/library/cpp/scheme/scimpl_json_write.cpp
@@ -154,8 +154,8 @@ namespace NSc {
         return *this;
     }
 
-    TString TValue::ToJson(const TJsonOpts& jopts) const { 
-        TString s; 
+    TString TValue::ToJson(const TJsonOpts& jopts) const {
+        TString s;
         {
             TStringOutput out(s);
             ToJson(out, jopts);
@@ -175,7 +175,7 @@ namespace NSc {
         return MakeOptsSafeForSerializer(opts);
     }
 
-    TString TValue::ToJsonSafe(const TJsonOpts& jopts) const { 
+    TString TValue::ToJsonSafe(const TJsonOpts& jopts) const {
         return ToJson(MakeOptsSafeForSerializer(jopts));
     }
 
diff --git a/library/cpp/scheme/scimpl_private.cpp b/library/cpp/scheme/scimpl_private.cpp
index 51323d3e3c..024bf8cc3b 100644
--- a/library/cpp/scheme/scimpl_private.cpp
+++ b/library/cpp/scheme/scimpl_private.cpp
@@ -22,7 +22,7 @@ namespace NSc {
         };
 
         template <typename TAction, typename TElement, typename TColl>
-        static inline void PutToVector(TVector<TElement>& vector, TColl& coll) { 
+        static inline void PutToVector(TVector<TElement>& vector, TColl& coll) {
             size_t i = vector.size();
             vector.resize(vector.size() + coll.size());
 
@@ -61,7 +61,7 @@ namespace NSc {
                     Y_FAIL("REFERENCE LOOP DETECTED");
                     break;
                 case EMode::Stderr:
-                    Cerr << "REFERENCE LOOP DETECTED: " << JoinStrings(Vector.begin(), Vector.end(), ", ") 
+                    Cerr << "REFERENCE LOOP DETECTED: " << JoinStrings(Vector.begin(), Vector.end(), ", ")
                          << " AND " << ToString((const void*)&self) << Endl;
                     break;
                 }
diff --git a/library/cpp/scheme/scimpl_private.h b/library/cpp/scheme/scimpl_private.h
index aadc56a58c..b92badabde 100644
--- a/library/cpp/scheme/scimpl_private.h
+++ b/library/cpp/scheme/scimpl_private.h
@@ -15,7 +15,7 @@ namespace NSc {
         class TContextGuard : TNonCopyable {
             using TElement = typename TContext::TElement;
             using TTarget = typename TContext::TTarget;
-            using TVectorType = TVector<TElement>; 
+            using TVectorType = TVector<TElement>;
 
         public:
             TContextGuard(TContext& ctx, TTarget& target)
@@ -35,7 +35,7 @@ namespace NSc {
                 }
             }
 
-            const TVectorType& GetVector() const { 
+            const TVectorType& GetVector() const {
                 return Ctx.Vector;
             }
 
@@ -68,7 +68,7 @@ namespace NSc {
                 Vector.reserve(64);
             }
 
-            TVector<TElement> Vector; 
+            TVector<TElement> Vector;
         };
 
         class TKeySortContext: public TBasicContext<TStringBuf, const TDict> {
diff --git a/library/cpp/scheme/scimpl_protobuf.cpp b/library/cpp/scheme/scimpl_protobuf.cpp
index f640118a5a..0c99122c69 100644
--- a/library/cpp/scheme/scimpl_protobuf.cpp
+++ b/library/cpp/scheme/scimpl_protobuf.cpp
@@ -13,12 +13,12 @@ namespace NSc {
     TValue TValue::From(const Message& msg, bool mapAsDict) {
         TValue v;
         const Reflection* r = msg.GetReflection();
-        TVector<const FieldDescriptor*> fields; 
-        TVector<const FieldDescriptor*>::iterator it; 
-        int i1; 
+        TVector<const FieldDescriptor*> fields;
+        TVector<const FieldDescriptor*>::iterator it;
+        int i1;
 
         r->ListFields(msg, &fields);
-        for (it = fields.begin(), i1 = 0; it != fields.end(); ++it, ++i1) { 
+        for (it = fields.begin(), i1 = 0; it != fields.end(); ++it, ++i1) {
             const FieldDescriptor* field = *it;
             try {
                 if (field->is_repeated()) {
@@ -154,7 +154,7 @@ namespace NSc {
     }
 
     void TValue::ValueToField(const TValue& value, Message& msg, const FieldDescriptor* field, const TProtoOpts& opts) const {
-        const TString& name = field->name(); 
+        const TString& name = field->name();
         if (value.IsNull()) {
             if (field->is_required() && !field->has_default_value()) {
                 ythrow TSchemeException() << "has no value for required field " << name;
@@ -233,7 +233,7 @@ namespace NSc {
     }
 
     void TValue::ToRepeatedField(Message& msg, const FieldDescriptor* field, const TProtoOpts& opts) const {
-        const TString& name = field->name(); 
+        const TString& name = field->name();
 
         const TValue& fieldValue = Get(name);
         if (fieldValue.IsNull()) {
diff --git a/library/cpp/scheme/scimpl_select.rl6 b/library/cpp/scheme/scimpl_select.rl6
index a7dbbfdf81..11aa549b78 100644
--- a/library/cpp/scheme/scimpl_select.rl6
+++ b/library/cpp/scheme/scimpl_select.rl6
@@ -54,7 +54,7 @@ namespace NSc {
     template <typename TSelector>
     struct TSelectorCtx {
         TSelector Selector;
-        TString Buffer; 
+        TString Buffer;
 
         const char* p0 = nullptr;
         const char* p = nullptr;
@@ -252,7 +252,7 @@ namespace NSc {
         return ctx.SelectPath() || !ctx.Selector.HasError;
     }
 
-    TString TValue::EscapeForPath(TStringBuf rawKey) { 
+    TString TValue::EscapeForPath(TStringBuf rawKey) {
         static const str_spn danger{"/[]"};
         if (!rawKey || danger.brk(rawKey.begin(), rawKey.end()) != rawKey.end()) {
             return NEscJ::EscapeJ<true>(rawKey);
diff --git a/library/cpp/scheme/tests/ut/scheme_cast_ut.cpp b/library/cpp/scheme/tests/ut/scheme_cast_ut.cpp
index 7f9101eff4..4f907157e9 100644
--- a/library/cpp/scheme/tests/ut/scheme_cast_ut.cpp
+++ b/library/cpp/scheme/tests/ut/scheme_cast_ut.cpp
@@ -9,11 +9,11 @@
 
 using namespace NJsonConverters;
 
-using TVI = TVector<int>; 
-using THI = THashMap<int, int>; 
-using TMI = TMap<int, int>; 
-using THSI = THashSet<int>; 
-using TSI = TSet<int>; 
+using TVI = TVector<int>;
+using THI = THashMap<int, int>;
+using TMI = TMap<int, int>;
+using THSI = THashSet<int>;
+using TSI = TSet<int>;
 using TPI = std::pair<int, int>;
 
 Y_UNIT_TEST_SUITE(TSchemeCastTest) {
@@ -34,7 +34,7 @@ Y_UNIT_TEST_SUITE(TSchemeCastTest) {
         for (int i = 0; i < 3; ++i)
             h[i] = i * i;
 
-        const TString etalon = "{\"0\":0,\"1\":1,\"2\":4}"; 
+        const TString etalon = "{\"0\":0,\"1\":1,\"2\":4}";
         UNIT_ASSERT_VALUES_EQUAL(etalon, ToJson(h, true));
 
         THI h2(FromJson<THI>(ToJson(h)));
@@ -46,7 +46,7 @@ Y_UNIT_TEST_SUITE(TSchemeCastTest) {
         for (int i = 0; i < 3; ++i)
             h[i] = i * i;
 
-        const TString etalon = "{\"0\":0,\"1\":1,\"2\":4}"; 
+        const TString etalon = "{\"0\":0,\"1\":1,\"2\":4}";
         UNIT_ASSERT_VALUES_EQUAL(etalon, ToJson(h, true));
 
         TMI h2(FromJson<TMI>(ToJson(h)));
@@ -58,7 +58,7 @@ Y_UNIT_TEST_SUITE(TSchemeCastTest) {
         for (int i = 0; i < 3; ++i)
             h.insert(i * i);
 
-        const TString etalon = "{\"0\":null,\"1\":null,\"4\":null}"; 
+        const TString etalon = "{\"0\":null,\"1\":null,\"4\":null}";
         UNIT_ASSERT_VALUES_EQUAL(etalon, ToJson(h, true));
 
         THSI h2(FromJson<THSI>(ToJson(h)));
@@ -70,7 +70,7 @@ Y_UNIT_TEST_SUITE(TSchemeCastTest) {
         for (int i = 0; i < 3; ++i)
             h.insert(i * i);
 
-        const TString etalon = "{\"0\":null,\"1\":null,\"4\":null}"; 
+        const TString etalon = "{\"0\":null,\"1\":null,\"4\":null}";
         UNIT_ASSERT_VALUES_EQUAL(etalon, ToJson(h, true));
 
         TSI h2(FromJson<TSI>(ToJson(h)));
@@ -80,7 +80,7 @@ Y_UNIT_TEST_SUITE(TSchemeCastTest) {
     Y_UNIT_TEST(TestTPair) {
         TPI p(1, 1);
 
-        const TString etalon = "[1,1]"; 
+        const TString etalon = "[1,1]";
         UNIT_ASSERT_VALUES_EQUAL(etalon, ToJson(p, true));
 
         TPI p2(FromJson<TPI>(ToJson(p)));
@@ -116,7 +116,7 @@ Y_UNIT_TEST_SUITE(TSchemeCastTest) {
     Y_UNIT_TEST(TestTCustom) {
         TCustom x(2, 3);
 
-        const TString etalon = "{\"a\":2,\"b\":3}"; 
+        const TString etalon = "{\"a\":2,\"b\":3}";
         UNIT_ASSERT_VALUES_EQUAL(etalon, ToJson(x, true));
 
         TCustom x2(FromJson<TCustom>(ToJson(x)));
@@ -124,13 +124,13 @@ Y_UNIT_TEST_SUITE(TSchemeCastTest) {
     }
 
     Y_UNIT_TEST(TestVectorOfPairs) {
-        typedef TVector<TPI> TVPI; 
+        typedef TVector<TPI> TVPI;
         TVPI v;
 
         for (int i = 0; i < 3; ++i)
             v.push_back(TPI(i, i * i));
 
-        const TString etalon = "[[0,0],[1,1],[2,4]]"; 
+        const TString etalon = "[[0,0],[1,1],[2,4]]";
         UNIT_ASSERT_VALUES_EQUAL(etalon, ToJson(v, true));
 
         TVPI v2(FromJson<TVPI>(ToJson(v)));
@@ -138,11 +138,11 @@ Y_UNIT_TEST_SUITE(TSchemeCastTest) {
     }
 
     Y_UNIT_TEST(TestSetOfCustom) {
-        typedef TSet<TCustom> TSC; 
+        typedef TSet<TCustom> TSC;
         TSC s;
         s.insert(TCustom(2, 3));
 
-        const TString etalon = "{\"{\\\"a\\\":2,\\\"b\\\":3}\":null}"; 
+        const TString etalon = "{\"{\\\"a\\\":2,\\\"b\\\":3}\":null}";
         UNIT_ASSERT_VALUES_EQUAL(etalon, ToJson(s, true));
 
         TSC s2(FromJson<TSC>(ToJson(s)));
@@ -151,7 +151,7 @@ Y_UNIT_TEST_SUITE(TSchemeCastTest) {
 
     Y_UNIT_TEST(TestExceptions) {
         NSc::TValue v = 1;
-        const TString json = v.ToJson(); 
+        const TString json = v.ToJson();
         UNIT_ASSERT_EXCEPTION(FromJson<TVI>(json, true), yexception);
         UNIT_ASSERT_EXCEPTION(FromJson<THI>(json, true), yexception);
         UNIT_ASSERT_EXCEPTION(FromJson<TMI>(json, true), yexception);
diff --git a/library/cpp/scheme/tests/ut/scheme_json_ut.cpp b/library/cpp/scheme/tests/ut/scheme_json_ut.cpp
index 7b248299d6..daeb2654f9 100644
--- a/library/cpp/scheme/tests/ut/scheme_json_ut.cpp
+++ b/library/cpp/scheme/tests/ut/scheme_json_ut.cpp
@@ -69,7 +69,7 @@ Y_UNIT_TEST_SUITE(TSchemeJsonTest) {
     }
 
     Y_UNIT_TEST(TestSafeJson) {
-        TString ss; 
+        TString ss;
         ss.reserve(256);
 
         for (int i = 0; i < 256; ++i) {
@@ -114,7 +114,7 @@ Y_UNIT_TEST_SUITE(TSchemeJsonTest) {
 
         {
             NSc::TValue value;
-            TString articleName{"\xC2\xC2\xCF"}; 
+            TString articleName{"\xC2\xC2\xCF"};
             value["text"] = articleName;
             UNIT_ASSERT_VALUES_EQUAL(value.ToJson(), "{\"text\":\"\xC2\xC2\xCF\"}");
             UNIT_ASSERT_VALUES_EQUAL(value.ToJsonSafe(), "{\"text\":null}");
diff --git a/library/cpp/scheme/tests/ut/scheme_path_ut.cpp b/library/cpp/scheme/tests/ut/scheme_path_ut.cpp
index 7b95f02d13..0d4d79d483 100644
--- a/library/cpp/scheme/tests/ut/scheme_path_ut.cpp
+++ b/library/cpp/scheme/tests/ut/scheme_path_ut.cpp
@@ -98,61 +98,61 @@ Y_UNIT_TEST_SUITE(TSchemePathTest) {
         {
             NSc::TValue val;
             *val.TrySelectOrAdd("") = 100;
-            const TString res = R"=(100)="; 
+            const TString res = R"=(100)=";
             UNIT_ASSERT_VALUES_EQUAL(val.ToJson(), res);
         }
         {
             NSc::TValue val;
             *val.TrySelectOrAdd("a") = 100;
-            const TString res = R"=({"a":100})="; 
+            const TString res = R"=({"a":100})=";
             UNIT_ASSERT_VALUES_EQUAL(val.ToJson(), res);
         }
         {
             NSc::TValue val;
             *val.TrySelectOrAdd(R"=(////)=") = 100;
-            const TString res = R"=(100)="; 
+            const TString res = R"=(100)=";
             UNIT_ASSERT_VALUES_EQUAL(val.ToJson(), res);
         }
         {
             NSc::TValue val;
             *val.TrySelectOrAdd(R"=()=") = 100;
-            const TString res = R"=(100)="; 
+            const TString res = R"=(100)=";
             UNIT_ASSERT_VALUES_EQUAL(val.ToJson(), res);
         }
         {
             NSc::TValue val;
             *val.TrySelectOrAdd(R"=("")=") = 100;
-            const TString res = R"=({"":100})="; 
+            const TString res = R"=({"":100})=";
             UNIT_ASSERT_VALUES_EQUAL(val.ToJson(), res);
         }
         {
             NSc::TValue val;
             *val.TrySelectOrAdd(R"=("[1]")=") = 100;
-            const TString res = R"=({"[1]":100})="; 
+            const TString res = R"=({"[1]":100})=";
             UNIT_ASSERT_VALUES_EQUAL(val.ToJson(), res);
         }
         {
             NSc::TValue val;
             *val.TrySelectOrAdd(R"=("\"\"")=") = 100;
-            const TString res = R"=({"\"\"":100})="; 
+            const TString res = R"=({"\"\"":100})=";
             UNIT_ASSERT_VALUES_EQUAL(val.ToJson(), res);
         }
         {
             NSc::TValue val;
             *val.TrySelectOrAdd(R"=("/10/")=") = 100;
-            const TString res = R"=({"/10/":100})="; 
+            const TString res = R"=({"/10/":100})=";
             UNIT_ASSERT_VALUES_EQUAL(val.ToJson(), res);
         }
         {
             NSc::TValue val;
             *val.TrySelectOrAdd(R"=(/"[10]"//""/"\"/10/\""///)=") = 100;
-            const TString res = R"=({"[10]":{"":{"\"/10/\"":100}}})="; 
+            const TString res = R"=({"[10]":{"":{"\"/10/\"":100}}})=";
             UNIT_ASSERT_VALUES_EQUAL(val.ToJson(), res);
         }
         {
             NSc::TValue val;
             *val.TrySelectOrAdd(R"=(/"[10]"//""/"\"/10/\""///)=") = 100;
-            const TString res = R"=({"[10]":{"":{"\"/10/\"":100}}})="; 
+            const TString res = R"=({"[10]":{"":{"\"/10/\"":100}}})=";
             UNIT_ASSERT_VALUES_EQUAL(val.ToJson(), res);
         }
     }
diff --git a/library/cpp/scheme/tests/ut/scheme_proto_ut.cpp b/library/cpp/scheme/tests/ut/scheme_proto_ut.cpp
index db8d13b978..e711a0d092 100644
--- a/library/cpp/scheme/tests/ut/scheme_proto_ut.cpp
+++ b/library/cpp/scheme/tests/ut/scheme_proto_ut.cpp
@@ -213,7 +213,7 @@ Y_UNIT_TEST_SUITE(TSchemeProtoTest) {
             NSc::TMessage proto;
             v.To(proto);
 
-            TString differentPath; 
+            TString differentPath;
             UNIT_ASSERT_C(NProtoBuf::IsEqual(m, proto, &differentPath), differentPath);
         }
     }
diff --git a/library/cpp/scheme/tests/ut/scheme_ut.cpp b/library/cpp/scheme/tests/ut/scheme_ut.cpp
index 290ebd6c04..1a5d07c31b 100644
--- a/library/cpp/scheme/tests/ut/scheme_ut.cpp
+++ b/library/cpp/scheme/tests/ut/scheme_ut.cpp
@@ -241,7 +241,7 @@ Y_UNIT_TEST_SUITE(TSchemeTest) {
 
     Y_UNIT_TEST(TestAssignments) {
         for (int i = -2; i < 3; ++i) {
-            TString ii = ToString(i); 
+            TString ii = ToString(i);
             int iless = i - 1;
             int imore = i + 1;
             DoCheckAssignmentNum<signed char>(i, iless, imore, ii, "schar");
@@ -262,7 +262,7 @@ Y_UNIT_TEST_SUITE(TSchemeTest) {
         //        DoCheckAssignment<bool>(false, false, false, "false", "bool");
 
         for (int i = 1; i < 3; ++i) {
-            TString ii = ToString(i); 
+            TString ii = ToString(i);
             int iless = i - 1;
             int imore = i + 1;
 
@@ -292,9 +292,9 @@ Y_UNIT_TEST_SUITE(TSchemeTest) {
             DoCheckAssignmentNum<double>(i, iless, imore, ii, "double");
         }
 
-        TString uuu = "uuu"; 
-        TString uua = "uua"; 
-        TString uuz = "uuz"; 
+        TString uuu = "uuu";
+        TString uua = "uua";
+        TString uuz = "uuz";
         DoCheckAssignment<char*>(uuu.begin(), uua.begin(), uuz.begin(), "\"uuu\"", "char*");
         DoCheckAssignment<const char*>("www", "wwa", "wwz", "\"www\"", "const char*");
         DoCheckAssignmentArr("xxx", "xxa", "xxz", "\"xxx\"", "const char[]");
@@ -303,7 +303,7 @@ Y_UNIT_TEST_SUITE(TSchemeTest) {
 #if defined(_MSC_VER)
         //TODO
 #else
-        DoCheckAssignment<TString>("ttt", "tta", "ttz", "\"ttt\"", "TString"); 
+        DoCheckAssignment<TString>("ttt", "tta", "ttz", "\"ttt\"", "TString");
 #endif
 
         NSc::TValue v;
@@ -358,12 +358,12 @@ Y_UNIT_TEST_SUITE(TSchemeTest) {
         v.AppendAll(d);
         UNIT_ASSERT_VALUES_EQUAL(v.ToJson(), R"(["a","b","c","d",1,2,3,4,5,6])");
         UNIT_ASSERT_VALUES_EQUAL(d.size(), 3u);
-        TVector<TStringBuf> s{"x", "y", "z"}; 
+        TVector<TStringBuf> s{"x", "y", "z"};
         v.AppendAll(s.begin(), s.end());
         UNIT_ASSERT_VALUES_EQUAL(v.ToJson(), R"(["a","b","c","d",1,2,3,4,5,6,"x","y","z"])");
 
         UNIT_ASSERT_VALUES_EQUAL(v.Clone().Clear().AppendAll(s).ToJson(), R"(["x","y","z"])");
-        UNIT_ASSERT_VALUES_EQUAL(v.Clone().Clear().AppendAll(TVector<TStringBuf>()).ToJson(), R"([])"); 
+        UNIT_ASSERT_VALUES_EQUAL(v.Clone().Clear().AppendAll(TVector<TStringBuf>()).ToJson(), R"([])");
 
         v.AddAll({{"a", "b"}, {"c", "d"}});
         UNIT_ASSERT_VALUES_EQUAL(v.ToJson(), R"({"a":"b","c":"d"})");
@@ -421,10 +421,10 @@ Y_UNIT_TEST_SUITE(TSchemeTest) {
         NSc::TValue va = NSc::TValue::FromJson("[ x, y]");
         NSc::TValue vs = NSc::TValue::FromJson("foo");
         NSc::TValue vn = NSc::TValue::FromJson("1");
-        TString sd = "{\"a\":1,\"b\":\"c\"}"; 
-        TString sa = "[\"x\",\"y\"]"; 
-        TString ss = "\"foo\""; 
-        TString sn = "1"; 
+        TString sd = "{\"a\":1,\"b\":\"c\"}";
+        TString sa = "[\"x\",\"y\"]";
+        TString ss = "\"foo\"";
+        TString sn = "1";
         UNIT_ASSERT_VALUES_EQUAL(sd, vd.ToJson(true));
         UNIT_ASSERT_VALUES_EQUAL(sa, va.ToJson(true));
         UNIT_ASSERT_VALUES_EQUAL(ss, vs.ToJson(true));
@@ -781,7 +781,7 @@ Y_UNIT_TEST_SUITE(TSchemeTest) {
 
     Y_UNIT_TEST(TestCopyFrom) {
         {
-            TString sa = "[1,2]"; 
+            TString sa = "[1,2]";
             const NSc::TValue& va = NSc::TValue::FromJson(sa);
             NSc::TValue vb = va;
             vb.CopyFrom(va);
@@ -789,7 +789,7 @@ Y_UNIT_TEST_SUITE(TSchemeTest) {
             UNIT_ASSERT_VALUES_EQUAL(vb.ToJson(), sa);
         }
         {
-            TString sa = "[1,2]"; 
+            TString sa = "[1,2]";
             NSc::TValue va = NSc::TValue::FromJson(sa);
             NSc::TValue vb = va;
             vb.CopyFrom(va);
@@ -797,7 +797,7 @@ Y_UNIT_TEST_SUITE(TSchemeTest) {
             UNIT_ASSERT_VALUES_EQUAL(vb.ToJson(), sa);
         }
         {
-            TString sa = "[1,2]"; 
+            TString sa = "[1,2]";
             NSc::TValue va = NSc::TValue::FromJson(sa);
             const NSc::TValue& vb = va;
             va.CopyFrom(vb);
@@ -805,7 +805,7 @@ Y_UNIT_TEST_SUITE(TSchemeTest) {
             UNIT_ASSERT_VALUES_EQUAL(vb.ToJson(), sa);
         }
         {
-            TString sa = "[1,2]"; 
+            TString sa = "[1,2]";
             NSc::TValue va = NSc::TValue::FromJson(sa);
             NSc::TValue vb = va;
             va.CopyFrom(vb);
@@ -816,7 +816,7 @@ Y_UNIT_TEST_SUITE(TSchemeTest) {
             NSc::TValue va = NSc::TValue::FromJson("{\"x\":\"ab\",\"y\":{\"p\":\"cd\",\"q\":\"ef\"}}");
             NSc::TValue vb = va.Get("y");
             va.CopyFrom(vb);
-            TString sa = "{\"p\":\"cd\",\"q\":\"ef\"}"; 
+            TString sa = "{\"p\":\"cd\",\"q\":\"ef\"}";
             UNIT_ASSERT_VALUES_EQUAL(va.ToJson(), sa);
             UNIT_ASSERT_VALUES_EQUAL(vb.ToJson(), sa);
         }
@@ -824,14 +824,14 @@ Y_UNIT_TEST_SUITE(TSchemeTest) {
             NSc::TValue va = NSc::TValue::FromJson("{\"x\":\"ab\",\"y\":{\"p\":\"cd\",\"q\":\"ef\"}}");
             const NSc::TValue& vb = va.Get("y");
             va.CopyFrom(vb);
-            TString sa = "{\"p\":\"cd\",\"q\":\"ef\"}"; 
+            TString sa = "{\"p\":\"cd\",\"q\":\"ef\"}";
             UNIT_ASSERT_VALUES_EQUAL(va.ToJson(), sa);
         }
         {
             NSc::TValue va = NSc::TValue::FromJson("{\"x\":\"ab\",\"y\":{\"p\":\"cd\",\"q\":\"ef\"}}");
             NSc::TValue vb = va.Get("y");
             va = vb;
-            TString sa = "{\"p\":\"cd\",\"q\":\"ef\"}"; 
+            TString sa = "{\"p\":\"cd\",\"q\":\"ef\"}";
             UNIT_ASSERT_VALUES_EQUAL(va.ToJson(), sa);
             UNIT_ASSERT_VALUES_EQUAL(vb.ToJson(), sa);
         }
@@ -839,7 +839,7 @@ Y_UNIT_TEST_SUITE(TSchemeTest) {
             NSc::TValue va = NSc::TValue::FromJson("{\"x\":\"ab\",\"y\":{\"p\":\"cd\",\"q\":\"ef\"}}");
             const NSc::TValue& vb = va.Get("y");
             va = vb;
-            TString sa = "{\"p\":\"cd\",\"q\":\"ef\"}"; 
+            TString sa = "{\"p\":\"cd\",\"q\":\"ef\"}";
             UNIT_ASSERT_VALUES_EQUAL(va.ToJson(), sa);
             UNIT_ASSERT_VALUES_EQUAL(vb.ToJson(), sa);
         }
diff --git a/library/cpp/scheme/ut_utils/scheme_ut_utils.h b/library/cpp/scheme/ut_utils/scheme_ut_utils.h
index a22583432b..eb3ea15b2a 100644
--- a/library/cpp/scheme/ut_utils/scheme_ut_utils.h
+++ b/library/cpp/scheme/ut_utils/scheme_ut_utils.h
@@ -11,16 +11,16 @@ namespace NSc {
     namespace NUt {
         TValue AssertFromJson(TStringBuf json);
 
-        inline TString NormalizeJson(const NSc::TValue& sc) { 
+        inline TString NormalizeJson(const NSc::TValue& sc) {
             return sc.ToJson(true);
         }
 
-        inline TString NormalizeJson(const NJson::TJsonValue& sc) { 
+        inline TString NormalizeJson(const NJson::TJsonValue& sc) {
             return NJson::WriteJson(sc, false, true, false);
         }
 
         template <class TStr>
-        inline TString NormalizeJson(const TStr& val) { 
+        inline TString NormalizeJson(const TStr& val) {
             return AssertFromJson(val).ToJson(true);
         }
 
@@ -38,12 +38,12 @@ namespace NSc {
 
 #define UNIT_ASSERT_JSON_EQ_JSON(A, B) UNIT_ASSERT_JSON_EQ_JSON_C(A, B, "")
 
-        inline TString DumpJson(const TValue& json) { 
+        inline TString DumpJson(const TValue& json) {
             return NJson::CompactifyJson(json.ToJson(true), true, true);
         }
 
         // deprecated
-        inline TString DumpJsonVS(const TValue& expected, const TValue& fact) { 
+        inline TString DumpJsonVS(const TValue& expected, const TValue& fact) {
             return DumpJson(expected) + "(expected) != (fact)" + DumpJson(fact);
         }
 
diff --git a/library/cpp/sliding_window/sliding_window_ut.cpp b/library/cpp/sliding_window/sliding_window_ut.cpp
index bcba7d71de..1e7343a8d3 100644
--- a/library/cpp/sliding_window/sliding_window_ut.cpp
+++ b/library/cpp/sliding_window/sliding_window_ut.cpp
@@ -7,7 +7,7 @@ using namespace NSlidingWindow;
 Y_UNIT_TEST_SUITE(TSlidingWindowTest) {
     Y_UNIT_TEST(TestSlidingWindowMax) {
         TSlidingWindow<TMaxOperation<unsigned>> w(TDuration::Minutes(5), 5);
-        TInstant start = TInstant::MicroSeconds(TDuration::Hours(1).MicroSeconds()); 
+        TInstant start = TInstant::MicroSeconds(TDuration::Hours(1).MicroSeconds());
         TInstant now = start;
         w.Update(5, start);                        // ~ ~ ~ ~ 5
         UNIT_ASSERT_VALUES_EQUAL(w.GetValue(), 5); //         ^
@@ -48,7 +48,7 @@ Y_UNIT_TEST_SUITE(TSlidingWindowTest) {
 
     Y_UNIT_TEST(TestSlidingWindowMin) {
         TSlidingWindow<TMinOperation<unsigned>> w(TDuration::Minutes(5), 5);
-        TInstant start = TInstant::MicroSeconds(TDuration::Hours(1).MicroSeconds()); 
+        TInstant start = TInstant::MicroSeconds(TDuration::Hours(1).MicroSeconds());
         TInstant now = start;
         w.Update(5, start);                        // ~ ~ ~ ~ 5
         UNIT_ASSERT_VALUES_EQUAL(w.GetValue(), 5); //         ^
@@ -91,7 +91,7 @@ Y_UNIT_TEST_SUITE(TSlidingWindowTest) {
         TSlidingWindow<TSumOperation<unsigned>> w(TDuration::Minutes(5), 5);
         UNIT_ASSERT_VALUES_EQUAL(w.GetValue(), 0); // current sum
 
-        TInstant start = TInstant::MicroSeconds(TDuration::Hours(1).MicroSeconds()); 
+        TInstant start = TInstant::MicroSeconds(TDuration::Hours(1).MicroSeconds());
         TInstant now = start;
         w.Update(5, start);                        // 0 0 0 0 5
         UNIT_ASSERT_VALUES_EQUAL(w.GetValue(), 5); //         ^
diff --git a/library/cpp/sse/ut/test.cpp b/library/cpp/sse/ut/test.cpp
index 1aef06fa7a..33c999d284 100644
--- a/library/cpp/sse/ut/test.cpp
+++ b/library/cpp/sse/ut/test.cpp
@@ -71,29 +71,29 @@ using uint64x2_t = std::array<ui64, 2>;
 using float32x4_t = std::array<float, 4>;
 using float64x2_t = std::array<double, 2>;
 
-template <typename TVectorType> 
+template <typename TVectorType>
 struct TQType {
-    static TVectorType As(__m128i param) { 
-        TVectorType value; 
+    static TVectorType As(__m128i param) {
+        TVectorType value;
         _mm_storeu_si128((__m128i*)&value, param);
         return value;
     }
-    static TVectorType As(__m128 param) { 
-        TVectorType value; 
+    static TVectorType As(__m128 param) {
+        TVectorType value;
         _mm_storeu_ps((float*)&value, param);
         return value;
     }
-    static TVectorType As(__m128d param) { 
-        TVectorType value; 
+    static TVectorType As(__m128d param) {
+        TVectorType value;
         _mm_storeu_pd((double*)&value, param);
         return value;
     }
 };
 #endif
 
-template <typename TVectorType> 
+template <typename TVectorType>
 struct TFuncLoad;
-template <typename TVectorType> 
+template <typename TVectorType>
 struct TFuncStore;
 
 template <>
@@ -394,12 +394,12 @@ public:
 
     template <typename TElem, unsigned elemCount,
               typename TFunc, typename TElemFunc,
-              typename TOp, typename TVectorType = __m128i> 
+              typename TOp, typename TVectorType = __m128i>
     void Test_mm_dualop();
 
     template <typename TElem, unsigned elemCount,
               typename TFunc, typename TElemFunc,
-              typename TOp, typename TVectorType = __m128i> 
+              typename TOp, typename TVectorType = __m128i>
     void Test_mm_dualcmp();
 
     void Test_mm_or_si128();
@@ -421,7 +421,7 @@ public:
     void Test_mm_cmplt_epi32();
 
     template <typename TElem, int elemCount,
-              typename TFunc, typename TOp, typename TVectorType> 
+              typename TFunc, typename TOp, typename TVectorType>
     void Test_mm_setter_epiXX();
     void Test_mm_set1_epi8();
     void Test_mm_set1_epi16();
@@ -1068,7 +1068,7 @@ void TSSEEmulTest::Test_mm_unpackhi_epi64() {
 
 template <typename TElem, unsigned elemCount,
           typename TFunc, typename TElemFunc,
-          typename TOp, typename TVectorType> 
+          typename TOp, typename TVectorType>
 void TSSEEmulTest::Test_mm_dualop() {
     char data1[16] = {
         '\xAA', '\x00', '\xFF', '\xCC', '\x11', '\x22', '\xBB', '\xAA',
@@ -1079,14 +1079,14 @@ void TSSEEmulTest::Test_mm_dualop() {
     TElem* dataw1 = reinterpret_cast<TElem*>(&data1);
     TElem* dataw2 = reinterpret_cast<TElem*>(&data2);
 
-    TVectorType value1 = TFuncLoad<TVectorType>(&data1); 
-    TVectorType value2 = TFuncLoad<TVectorType>(&data2); 
+    TVectorType value1 = TFuncLoad<TVectorType>(&data1);
+    TVectorType value2 = TFuncLoad<TVectorType>(&data2);
 
     TElem procData[elemCount];
     for (unsigned i = 0; i < elemCount; ++i) {
         procData[i] = TElemFunc::Call(dataw1[i], dataw2[i]);
     }
-    TVectorType result = TFunc(value1, value2); 
+    TVectorType result = TFunc(value1, value2);
 
     for (unsigned i = 0; i < elemCount; ++i) {
         UNIT_ASSERT_EQUAL(procData[i], TQType<TOp>::As(result)[i]);
@@ -1097,7 +1097,7 @@ void TSSEEmulTest::Test_mm_dualop() {
    but different data1 and data2 */
 template <typename TElem, unsigned elemCount,
           typename TFunc, typename TElemFunc,
-          typename TOp, typename TVectorType> 
+          typename TOp, typename TVectorType>
 void TSSEEmulTest::Test_mm_dualcmp() {
     char data1[16] = {
         '\xAA', '\x00', '\xFF', '\xCC', '\x11', '\x66', '\x77', '\xAA',
@@ -1108,14 +1108,14 @@ void TSSEEmulTest::Test_mm_dualcmp() {
     TElem* dataw1 = reinterpret_cast<TElem*>(&data1);
     TElem* dataw2 = reinterpret_cast<TElem*>(&data2);
 
-    TVectorType value1 = TFuncLoad<TVectorType>(&data1); 
-    TVectorType value2 = TFuncLoad<TVectorType>(&data2); 
+    TVectorType value1 = TFuncLoad<TVectorType>(&data1);
+    TVectorType value2 = TFuncLoad<TVectorType>(&data2);
 
     TElem procData[elemCount];
     for (unsigned i = 0; i < elemCount; ++i) {
         procData[i] = TElemFunc::Call(dataw1[i], dataw2[i]);
     }
-    TVectorType result = TFunc(value1, value2); 
+    TVectorType result = TFunc(value1, value2);
 
     for (unsigned i = 0; i < elemCount; ++i) {
         /* memcmp is for compare to invalid floats in results */
@@ -1255,7 +1255,7 @@ void TSSEEmulTest::Test_mm_cmplt_epi32() {
 }
 
 template <typename TElem, int elemCount,
-          typename TFunc, typename TOp, typename TVectorType> 
+          typename TFunc, typename TOp, typename TVectorType>
 void TSSEEmulTest::Test_mm_setter_epiXX() {
     char data[64] = {
         '\xAA', '\x00', '\xFF', '\xCC', '\x11', '\x22', '\xBB', '\xAA',
@@ -1269,7 +1269,7 @@ void TSSEEmulTest::Test_mm_setter_epiXX() {
     TElem* dataw = reinterpret_cast<TElem*>(&data);
 
     for (unsigned dataItem = 0; dataItem < elemCount * 4; ++dataItem) {
-        TVectorType value = TFunc(dataw[dataItem]); 
+        TVectorType value = TFunc(dataw[dataItem]);
 
         for (unsigned i = 0; i < elemCount; ++i)
             UNIT_ASSERT_EQUAL(dataw[dataItem], TQType<TOp>::As(value)[i]);
diff --git a/library/cpp/streams/bzip2/bzip2.cpp b/library/cpp/streams/bzip2/bzip2.cpp
index 9121244e83..bccc5c6807 100644
--- a/library/cpp/streams/bzip2/bzip2.cpp
+++ b/library/cpp/streams/bzip2/bzip2.cpp
@@ -14,7 +14,7 @@ public:
         Init();
     }
 
-    inline ~TImpl() { 
+    inline ~TImpl() {
         Clear();
     }
 
@@ -24,7 +24,7 @@ public:
         }
     }
 
-    inline void Clear() noexcept { 
+    inline void Clear() noexcept {
         BZ2_bzDecompressEnd(&BzStream_);
     }
 
@@ -79,7 +79,7 @@ TBZipDecompress::TBZipDecompress(IInputStream* input, size_t bufLen)
 {
 }
 
-TBZipDecompress::~TBZipDecompress() { 
+TBZipDecompress::~TBZipDecompress() {
 }
 
 size_t TBZipDecompress::DoRead(void* buf, size_t size) {
@@ -101,7 +101,7 @@ public:
         BzStream_.avail_out = TmpBufLen();
     }
 
-    inline ~TImpl() { 
+    inline ~TImpl() {
         BZ2_bzCompressEnd(&BzStream_);
     }
 
@@ -156,11 +156,11 @@ public:
     }
 
 private:
-    inline char* TmpBuf() noexcept { 
+    inline char* TmpBuf() noexcept {
         return (char*)AdditionalData();
     }
 
-    inline size_t TmpBufLen() const noexcept { 
+    inline size_t TmpBufLen() const noexcept {
         return AdditionalDataLength();
     }
 
@@ -174,7 +174,7 @@ TBZipCompress::TBZipCompress(IOutputStream* out, size_t compressionLevel, size_t
 {
 }
 
-TBZipCompress::~TBZipCompress() { 
+TBZipCompress::~TBZipCompress() {
     try {
         Finish();
     } catch (...) {
diff --git a/library/cpp/streams/bzip2/bzip2.h b/library/cpp/streams/bzip2/bzip2.h
index 07c8837997..2322277ef6 100644
--- a/library/cpp/streams/bzip2/bzip2.h
+++ b/library/cpp/streams/bzip2/bzip2.h
@@ -25,7 +25,7 @@ class TBZipCompressError: public TBZipException {
 class TBZipDecompress: public IInputStream {
 public:
     TBZipDecompress(IInputStream* input, size_t bufLen = BZIP_BUF_LEN);
-    ~TBZipDecompress() override; 
+    ~TBZipDecompress() override;
 
 private:
     size_t DoRead(void* buf, size_t size) override;
@@ -38,7 +38,7 @@ private:
 class TBZipCompress: public IOutputStream {
 public:
     TBZipCompress(IOutputStream* out, size_t compressionLevel = BZIP_COMPRESSION_LEVEL, size_t bufLen = BZIP_BUF_LEN);
-    ~TBZipCompress() override; 
+    ~TBZipCompress() override;
 
 private:
     void DoWrite(const void* buf, size_t size) override;
diff --git a/library/cpp/streams/bzip2/bzip2_ut.cpp b/library/cpp/streams/bzip2/bzip2_ut.cpp
index 4de72e8ad5..69a98f296c 100644
--- a/library/cpp/streams/bzip2/bzip2_ut.cpp
+++ b/library/cpp/streams/bzip2/bzip2_ut.cpp
@@ -8,10 +8,10 @@
 #define ZDATA "./zdata"
 
 Y_UNIT_TEST_SUITE(TBZipTest) {
-    static const TString data = "8s7d5vc6s5vc67sa4c65ascx6asd4xcv76adsfxv76s"; 
+    static const TString data = "8s7d5vc6s5vc67sa4c65ascx6asd4xcv76adsfxv76s";
 
     Y_UNIT_TEST(TestCompress) {
-        TUnbufferedFileOutput o(ZDATA); 
+        TUnbufferedFileOutput o(ZDATA);
         TBZipCompress c(&o);
 
         c.Write(data.data(), data.size());
@@ -23,7 +23,7 @@ Y_UNIT_TEST_SUITE(TBZipTest) {
         TTempFile tmp(ZDATA);
 
         {
-            TUnbufferedFileInput i(ZDATA); 
+            TUnbufferedFileInput i(ZDATA);
             TBZipDecompress d(&i);
 
             UNIT_ASSERT_EQUAL(d.ReadLine(), data);
diff --git a/library/cpp/streams/lz/lz.cpp b/library/cpp/streams/lz/lz.cpp
index 0ddeb2a6c2..b65bb3ed96 100644
--- a/library/cpp/streams/lz/lz.cpp
+++ b/library/cpp/streams/lz/lz.cpp
@@ -15,11 +15,11 @@
 #include <contrib/libs/quicklz/quicklz.h>
 #include <contrib/libs/minilzo/minilzo.h>
 
-static inline ui8 HostToLittle(ui8 t) noexcept { 
+static inline ui8 HostToLittle(ui8 t) noexcept {
     return t;
 }
 
-static inline ui8 LittleToHost(ui8 t) noexcept { 
+static inline ui8 LittleToHost(ui8 t) noexcept {
     return t;
 }
 
@@ -53,7 +53,7 @@ public:
         this->Save(BlockSize());
     }
 
-    inline ~TCompressorBase() { 
+    inline ~TCompressorBase() {
     }
 
     inline void Write(const char* buf, size_t len) {
@@ -88,11 +88,11 @@ public:
     }
 
 private:
-    inline void* Block() const noexcept { 
+    inline void* Block() const noexcept {
         return this->AdditionalData();
     }
 
-    inline ui16 BlockSize() const noexcept { 
+    inline ui16 BlockSize() const noexcept {
         return BlockSize_;
     }
 
@@ -200,7 +200,7 @@ public:
         this->InitFromStream(Slave_);
     }
 
-    inline ~TDecompressorBaseImpl() { 
+    inline ~TDecompressorBaseImpl() {
     }
 
     inline size_t Read(void* buf, size_t len) {
@@ -284,7 +284,7 @@ public:
     {
     }
 
-    inline ~TDecompressorBase() { 
+    inline ~TDecompressorBase() {
     }
 };
 
@@ -373,16 +373,16 @@ public:
         Singleton<TInit>();
     }
 
-    inline ~TMiniLzo() { 
+    inline ~TMiniLzo() {
     }
 
-    static inline size_t Hint(size_t len) noexcept { 
+    static inline size_t Hint(size_t len) noexcept {
         // see SEARCH-2043 and, e.g. examples at
         // http://stackoverflow.com/questions/4235019/how-to-get-lzo-to-work-with-a-file-stream
         return len + (len / 16) + 64 + 3;
     }
 
-    static inline bool SaveIncompressibleChunks() noexcept { 
+    static inline bool SaveIncompressibleChunks() noexcept {
         return false;
     }
 };
@@ -392,7 +392,7 @@ const char TMiniLzo::signature[] = "YLZO";
 template <size_t N>
 class TFixedArray {
 public:
-    inline TFixedArray() noexcept { 
+    inline TFixedArray() noexcept {
         memset(WorkMem_, 0, sizeof(WorkMem_));
     }
 
@@ -434,7 +434,7 @@ class TFastLZ {
 public:
     static const char signature[];
 
-    static inline size_t Hint(size_t len) noexcept { 
+    static inline size_t Hint(size_t len) noexcept {
         return Max<size_t>((size_t)(len * 1.06), 100);
     }
 
@@ -449,7 +449,7 @@ public:
     inline void InitFromStream(IInputStream*) const noexcept {
     }
 
-    static inline bool SaveIncompressibleChunks() noexcept { 
+    static inline bool SaveIncompressibleChunks() noexcept {
         return false;
     }
 };
@@ -466,7 +466,7 @@ class TLZ4 {
 public:
     static const char signature[];
 
-    static inline size_t Hint(size_t len) noexcept { 
+    static inline size_t Hint(size_t len) noexcept {
         return Max<size_t>((size_t)(len * 1.06), 100);
     }
 
@@ -484,7 +484,7 @@ public:
     inline void InitFromStream(IInputStream*) const noexcept {
     }
 
-    static inline bool SaveIncompressibleChunks() noexcept { 
+    static inline bool SaveIncompressibleChunks() noexcept {
         return false;
     }
 };
@@ -501,7 +501,7 @@ class TSnappy {
 public:
     static const char signature[];
 
-    static inline size_t Hint(size_t len) noexcept { 
+    static inline size_t Hint(size_t len) noexcept {
         return Max<size_t>(snappy::MaxCompressedLength(len), 100);
     }
 
@@ -521,7 +521,7 @@ public:
     inline void InitFromStream(IInputStream*) const noexcept {
     }
 
-    static inline bool SaveIncompressibleChunks() noexcept { 
+    static inline bool SaveIncompressibleChunks() noexcept {
         return false;
     }
 };
@@ -538,7 +538,7 @@ class TQuickLZBase {
 public:
     static const char signature[];
 
-    static inline size_t Hint(size_t len) noexcept { 
+    static inline size_t Hint(size_t len) noexcept {
         return len + 500;
     }
 
@@ -560,7 +560,7 @@ public:
         memset(Mem_.Get(), 0, size);
     }
 
-    inline bool SaveIncompressibleChunks() const noexcept { 
+    inline bool SaveIncompressibleChunks() const noexcept {
         // we must save incompressible chunks "as is"
         // after compressor run in streaming mode
         return Table_->Setting(3);
@@ -621,14 +621,14 @@ DEF_DECOMPRESSOR(TLzqDecompress, TQuickLZDecompress)
 namespace {
     template <class T>
     struct TInputHolder {
-        static inline T Set(T t) noexcept { 
+        static inline T Set(T t) noexcept {
             return t;
         }
     };
 
     template <class T>
     struct TInputHolder<TAutoPtr<T>> {
-        inline T* Set(TAutoPtr<T> v) noexcept { 
+        inline T* Set(TAutoPtr<T> v) noexcept {
             V_ = v;
 
             return V_.Get();
diff --git a/library/cpp/streams/lz/lz.h b/library/cpp/streams/lz/lz.h
index b2850cc290..3a2eaad88b 100644
--- a/library/cpp/streams/lz/lz.h
+++ b/library/cpp/streams/lz/lz.h
@@ -33,7 +33,7 @@ struct TDecompressorError: public yexception {
 class TLz4Compress: public IOutputStream {
 public:
     TLz4Compress(IOutputStream* slave, ui16 maxBlockSize = 1 << 15);
-    ~TLz4Compress() override; 
+    ~TLz4Compress() override;
 
 private:
     void DoWrite(const void* buf, size_t len) override;
@@ -53,7 +53,7 @@ private:
 class TLz4Decompress: public IInputStream {
 public:
     TLz4Decompress(IInputStream* slave);
-    ~TLz4Decompress() override; 
+    ~TLz4Decompress() override;
 
 private:
     size_t DoRead(void* buf, size_t len) override;
@@ -71,7 +71,7 @@ private:
 class TSnappyCompress: public IOutputStream {
 public:
     TSnappyCompress(IOutputStream* slave, ui16 maxBlockSize = 1 << 15);
-    ~TSnappyCompress() override; 
+    ~TSnappyCompress() override;
 
 private:
     void DoWrite(const void* buf, size_t len) override;
@@ -91,7 +91,7 @@ private:
 class TSnappyDecompress: public IInputStream {
 public:
     TSnappyDecompress(IInputStream* slave);
-    ~TSnappyDecompress() override; 
+    ~TSnappyDecompress() override;
 
 private:
     size_t DoRead(void* buf, size_t len) override;
@@ -107,7 +107,7 @@ private:
 class TLzoCompress: public IOutputStream {
 public:
     TLzoCompress(IOutputStream* slave, ui16 maxBlockSize = 1 << 15);
-    ~TLzoCompress() override; 
+    ~TLzoCompress() override;
 
 private:
     void DoWrite(const void* buf, size_t len) override;
@@ -125,7 +125,7 @@ private:
 class TLzoDecompress: public IInputStream {
 public:
     TLzoDecompress(IInputStream* slave);
-    ~TLzoDecompress() override; 
+    ~TLzoDecompress() override;
 
 private:
     size_t DoRead(void* buf, size_t len) override;
@@ -141,7 +141,7 @@ private:
 class TLzfCompress: public IOutputStream {
 public:
     TLzfCompress(IOutputStream* slave, ui16 maxBlockSize = 1 << 15);
-    ~TLzfCompress() override; 
+    ~TLzfCompress() override;
 
 private:
     void DoWrite(const void* buf, size_t len) override;
@@ -159,7 +159,7 @@ private:
 class TLzfDecompress: public IInputStream {
 public:
     TLzfDecompress(IInputStream* slave);
-    ~TLzfDecompress() override; 
+    ~TLzfDecompress() override;
 
 private:
     size_t DoRead(void* buf, size_t len) override;
@@ -193,7 +193,7 @@ public:
                  EVersion ver = V_1_31,
                  unsigned level = 0,
                  EMode mode = M_0);
-    ~TLzqCompress() override; 
+    ~TLzqCompress() override;
 
 private:
     void DoWrite(const void* buf, size_t len) override;
@@ -211,7 +211,7 @@ private:
 class TLzqDecompress: public IInputStream {
 public:
     TLzqDecompress(IInputStream* slave);
-    ~TLzqDecompress() override; 
+    ~TLzqDecompress() override;
 
 private:
     size_t DoRead(void* buf, size_t len) override;
diff --git a/library/cpp/streams/lz/lz_ut.cpp b/library/cpp/streams/lz/lz_ut.cpp
index 04c53f5cb5..6876f070fc 100644
--- a/library/cpp/streams/lz/lz_ut.cpp
+++ b/library/cpp/streams/lz/lz_ut.cpp
@@ -11,15 +11,15 @@
 #define LDATA "./ldata"
 #define LDATA_RANDOM "./ldata.random"
 
-static const TString data = "aa aaa aa aaa aa aaa bb bbb bb bbb bb bbb"; 
+static const TString data = "aa aaa aa aaa aa aaa bb bbb bb bbb bb bbb";
 
 namespace {
     /**
      * Produces well-formed random crap
      **/
-    TString RandomString(size_t size) { 
-        TString entropy(NResource::Find("/random.data")); 
-        TString result; 
+    TString RandomString(size_t size) {
+        TString entropy(NResource::Find("/random.data"));
+        TString result;
         size_t seed = 1;
         size_t j = 0;
         for (size_t i = 0; i < size; ++i) {
@@ -38,8 +38,8 @@ namespace {
         return result;
     }
 
-    TVector<TString> InitRandomData() { 
-        static const TVector<size_t> sizes = { 
+    TVector<TString> InitRandomData() {
+        static const TVector<size_t> sizes = {
             0,
             1,
             127,
@@ -47,7 +47,7 @@ namespace {
             32767,
         };
 
-        TVector<TString> result; 
+        TVector<TString> result;
         for (auto size : sizes) {
             result.push_back(RandomString(size));
         }
@@ -55,18 +55,18 @@ namespace {
         return result;
     }
 
-    TString TestFileName(const TString& d, size_t bufferSize) { 
+    TString TestFileName(const TString& d, size_t bufferSize) {
         return LDATA_RANDOM + TString(".") + ToString(d.size()) + TString(".") + ToString(bufferSize);
     }
 
-    struct TRandomData: public TVector<TString> { 
+    struct TRandomData: public TVector<TString> {
         inline TRandomData() {
             InitRandomData().swap(*this);
         }
     };
 }
 
-static const TVector<size_t> bufferSizes = { 
+static const TVector<size_t> bufferSizes = {
     127,
     1024,
     32768,
@@ -84,10 +84,10 @@ namespace {
 
 template <class C>
 static inline void TestGoodDataCompress() {
-    TFixedBufferFileOutput o(LDATA); 
+    TFixedBufferFileOutput o(LDATA);
     C c(&o, 1024);
 
-    TString d = data; 
+    TString d = data;
 
     for (size_t i = 0; i < 10; ++i) {
         c.Write(d.data(), d.size());
@@ -100,9 +100,9 @@ static inline void TestGoodDataCompress() {
 }
 
 template <class C>
-static inline void TestIncompressibleDataCompress(const TString& d, size_t bufferSize) { 
-    TString testFileName = TestFileName(d, bufferSize); 
-    TFixedBufferFileOutput o(testFileName); 
+static inline void TestIncompressibleDataCompress(const TString& d, size_t bufferSize) {
+    TString testFileName = TestFileName(d, bufferSize);
+    TFixedBufferFileOutput o(testFileName);
     C c(&o, bufferSize);
     c.Write(d.data(), d.size());
     c.Finish();
@@ -124,12 +124,12 @@ static inline void TestGoodDataDecompress() {
     TTempFile tmpFile(LDATA);
 
     {
-        TFileInput i1(LDATA); 
-        D ld(&i1); 
+        TFileInput i1(LDATA);
+        D ld(&i1);
 
-        TString d = data; 
+        TString d = data;
 
-        for (size_t i2 = 0; i2 < 10; ++i2) { 
+        for (size_t i2 = 0; i2 < 10; ++i2) {
             UNIT_ASSERT_EQUAL(ld.ReadLine(), d);
 
             d = d + d;
@@ -138,12 +138,12 @@ static inline void TestGoodDataDecompress() {
 }
 
 template <class D>
-static inline void TestIncompressibleDataDecompress(const TString& d, size_t bufferSize) { 
-    TString testFileName = TestFileName(d, bufferSize); 
+static inline void TestIncompressibleDataDecompress(const TString& d, size_t bufferSize) {
+    TString testFileName = TestFileName(d, bufferSize);
     TTempFile tmpFile(testFileName);
 
     {
-        TFileInput i(testFileName); 
+        TFileInput i(testFileName);
         D ld(&i);
 
         UNIT_ASSERT_EQUAL(ld.ReadAll(), d);
diff --git a/library/cpp/streams/lzma/lzma.cpp b/library/cpp/streams/lzma/lzma.cpp
index 34c4e50c84..f1942fa546 100644
--- a/library/cpp/streams/lzma/lzma.cpp
+++ b/library/cpp/streams/lzma/lzma.cpp
@@ -31,7 +31,7 @@ namespace {
             return ret->AdditionalData();
         }
 
-        inline void Deallocate(void* ptr) noexcept { 
+        inline void Deallocate(void* ptr) noexcept {
             if (ptr) {
                 delete TAllocation::ObjectFromData(ptr);
             }
@@ -65,7 +65,7 @@ namespace {
             {
             }
 
-            ~TInput() override { 
+            ~TInput() override {
             }
 
             size_t DoRead(void* ptr, size_t len) override {
@@ -83,7 +83,7 @@ namespace {
             {
             }
 
-            ~TOutput() override { 
+            ~TOutput() override {
             }
 
             void DoWrite(const void* ptr, size_t len) override {
@@ -105,7 +105,7 @@ namespace {
         {
         }
 
-        virtual ~TInverseFilter() { 
+        virtual ~TInverseFilter() {
             if (!UncaughtException()) {
                 try {
                     Finish();
@@ -277,7 +277,7 @@ namespace {
             TMemoryGc Gc_;
         };
 
-        inline ISzAlloc* Alloc() noexcept { 
+        inline ISzAlloc* Alloc() noexcept {
             return &Alloc_;
         }
 
@@ -317,7 +317,7 @@ namespace {
             Check(LzmaEnc_WriteProperties(H_, PropsBuf_, &bufLen));
         }
 
-        inline ~TLzmaCompressBase() { 
+        inline ~TLzmaCompressBase() {
             LzmaEnc_Destroy(H_, Alloc(), Alloc());
         }
 
@@ -354,7 +354,7 @@ public:
     {
         LzmaDec_Construct(&H_);
     }
-    inline virtual ~TImpl() { 
+    inline virtual ~TImpl() {
         LzmaDec_Free(&H_, Alloc());
     }
 
@@ -483,7 +483,7 @@ TLzmaCompress::TLzmaCompress(IOutputStream* slave, size_t level)
 {
 }
 
-TLzmaCompress::~TLzmaCompress() { 
+TLzmaCompress::~TLzmaCompress() {
 }
 
 void TLzmaCompress::DoWrite(const void* buf, size_t len) {
@@ -512,7 +512,7 @@ TLzmaDecompress::TLzmaDecompress(IZeroCopyInput* input)
 {
 }
 
-TLzmaDecompress::~TLzmaDecompress() { 
+TLzmaDecompress::~TLzmaDecompress() {
 }
 
 size_t TLzmaDecompress::DoRead(void* buf, size_t len) {
diff --git a/library/cpp/streams/lzma/lzma.h b/library/cpp/streams/lzma/lzma.h
index daf9dd66b9..ca1e06e9ef 100644
--- a/library/cpp/streams/lzma/lzma.h
+++ b/library/cpp/streams/lzma/lzma.h
@@ -9,7 +9,7 @@
 class TLzmaCompress: public IOutputStream {
 public:
     TLzmaCompress(IOutputStream* slave, size_t level = 7);
-    ~TLzmaCompress() override; 
+    ~TLzmaCompress() override;
 
 private:
     void DoWrite(const void* buf, size_t len) override;
@@ -24,7 +24,7 @@ class TLzmaDecompress: public IInputStream {
 public:
     TLzmaDecompress(IInputStream* slave);
     TLzmaDecompress(IZeroCopyInput* input);
-    ~TLzmaDecompress() override; 
+    ~TLzmaDecompress() override;
 
 private:
     size_t DoRead(void* buf, size_t len) override;
diff --git a/library/cpp/streams/lzma/lzma_ut.cpp b/library/cpp/streams/lzma/lzma_ut.cpp
index 907de209b5..847e98d1ca 100644
--- a/library/cpp/streams/lzma/lzma_ut.cpp
+++ b/library/cpp/streams/lzma/lzma_ut.cpp
@@ -8,7 +8,7 @@
 
 class TStrokaByOneByte: public IZeroCopyInput {
 public:
-    TStrokaByOneByte(const TString& s) 
+    TStrokaByOneByte(const TString& s)
         : Data(s)
         , Pos(s.data())
     {
@@ -26,7 +26,7 @@ private:
         }
     }
 
-    TString Data; 
+    TString Data;
     const char* Pos;
 };
 
@@ -37,15 +37,15 @@ class TLzmaTest: public TTestBase {
     UNIT_TEST_SUITE_END();
 
 private:
-    inline TString GenData() { 
-        TString data; 
+    inline TString GenData() {
+        TString data;
         TReallyFastRng32 rnd(RandomNumber<ui64>());
 
         for (size_t i = 0; i < 50000; ++i) {
             const char ch = rnd.Uniform(256);
             const size_t len = 1 + rnd.Uniform(10);
 
-            data += TString(len, ch); 
+            data += TString(len, ch);
         }
 
         return data;
@@ -54,7 +54,7 @@ private:
     inline void Test2() {
         class TExcOutput: public IOutputStream {
         public:
-            ~TExcOutput() override { 
+            ~TExcOutput() override {
             }
 
             void DoWrite(const void*, size_t) override {
@@ -62,7 +62,7 @@ private:
             }
         };
 
-        TString data(GenData()); 
+        TString data(GenData());
         TMemoryInput mi(data.data(), data.size());
         TExcOutput out;
 
@@ -76,9 +76,9 @@ private:
     }
 
     inline void Test1() {
-        TString data(GenData()); 
-        TString data1; 
-        TString res; 
+        TString data(GenData());
+        TString data1;
+        TString res;
 
         {
             TMemoryInput mi(data.data(), data.size());
diff --git a/library/cpp/string_utils/base64/base64.cpp b/library/cpp/string_utils/base64/base64.cpp
index d240f1c112..05c201f0de 100644
--- a/library/cpp/string_utils/base64/base64.cpp
+++ b/library/cpp/string_utils/base64/base64.cpp
@@ -245,13 +245,13 @@ size_t Base64Decode(void* dst, const char* b, const char* e) {
     return outLen;
 }
 
-TString Base64DecodeUneven(const TStringBuf s) { 
+TString Base64DecodeUneven(const TStringBuf s) {
     if (s.length() % 4 == 0) {
         return Base64Decode(s);
     }
 
     // padding to 4
-    return Base64Decode(TString(s) + TString(4 - (s.length() % 4), '=')); 
+    return Base64Decode(TString(s) + TString(4 - (s.length() % 4), '='));
 }
 
 char* Base64Encode(char* outstr, const unsigned char* instr, size_t len) {
diff --git a/library/cpp/string_utils/base64/base64.h b/library/cpp/string_utils/base64/base64.h
index 6c6d2d9f08..f778a6425a 100644
--- a/library/cpp/string_utils/base64/base64.h
+++ b/library/cpp/string_utils/base64/base64.h
@@ -27,14 +27,14 @@ inline TStringBuf Base64Decode(const TStringBuf src, void* dst) {
     return TStringBuf((const char*)dst, Base64Decode(dst, src.begin(), src.end()));
 }
 
-inline void Base64Decode(const TStringBuf src, TString& dst) { 
+inline void Base64Decode(const TStringBuf src, TString& dst) {
     dst.ReserveAndResize(Base64DecodeBufSize(src.size()));
     dst.resize(Base64Decode(src, dst.begin()).size());
 }
 
 //WARNING: can process not whole input silently, use Base64StrictDecode instead of this function
-inline TString Base64Decode(const TStringBuf s) { 
-    TString ret; 
+inline TString Base64Decode(const TStringBuf s) {
+    TString ret;
     Base64Decode(s, ret);
     return ret;
 }
@@ -71,7 +71,7 @@ inline TStringBuf Base64StrictDecode(const TStringBuf src, void* dst) {
 /// @param src a base64 encoded string.
 /// @param dst a decoded string.
 ///
-inline void Base64StrictDecode(const TStringBuf src, TString& dst) { 
+inline void Base64StrictDecode(const TStringBuf src, TString& dst) {
     dst.ReserveAndResize(Base64DecodeBufSize(src.size()));
     dst.resize(Base64StrictDecode(src, dst.begin()).size());
 }
@@ -81,15 +81,15 @@ inline void Base64StrictDecode(const TStringBuf src, TString& dst) {
 ///
 /// @returns a decoded string.
 ///
-inline TString Base64StrictDecode(const TStringBuf src) { 
-    TString ret; 
+inline TString Base64StrictDecode(const TStringBuf src) {
+    TString ret;
     Base64StrictDecode(src, ret);
     return ret;
 }
 /// @}
 
 /// Works with strings which length is not divisible by 4.
-TString Base64DecodeUneven(const TStringBuf s); 
+TString Base64DecodeUneven(const TStringBuf s);
 
 //encode
 constexpr size_t Base64EncodeBufSize(const size_t len) noexcept {
@@ -107,24 +107,24 @@ inline TStringBuf Base64EncodeUrl(const TStringBuf src, void* tmp) {
     return TStringBuf((const char*)tmp, Base64EncodeUrl((char*)tmp, (const unsigned char*)src.data(), src.size()));
 }
 
-inline void Base64Encode(const TStringBuf src, TString& dst) { 
+inline void Base64Encode(const TStringBuf src, TString& dst) {
     dst.ReserveAndResize(Base64EncodeBufSize(src.size()));
     dst.resize(Base64Encode(src, dst.begin()).size());
 }
 
-inline void Base64EncodeUrl(const TStringBuf src, TString& dst) { 
+inline void Base64EncodeUrl(const TStringBuf src, TString& dst) {
     dst.ReserveAndResize(Base64EncodeBufSize(src.size()));
     dst.resize(Base64EncodeUrl(src, dst.begin()).size());
 }
 
-inline TString Base64Encode(const TStringBuf s) { 
-    TString ret; 
+inline TString Base64Encode(const TStringBuf s) {
+    TString ret;
     Base64Encode(s, ret);
     return ret;
 }
 
-inline TString Base64EncodeUrl(const TStringBuf s) { 
-    TString ret; 
+inline TString Base64EncodeUrl(const TStringBuf s) {
+    TString ret;
     Base64EncodeUrl(s, ret);
     return ret;
 }
diff --git a/library/cpp/string_utils/base64/base64_decode_uneven_ut.cpp b/library/cpp/string_utils/base64/base64_decode_uneven_ut.cpp
index ae665091e7..c3ed068a37 100644
--- a/library/cpp/string_utils/base64/base64_decode_uneven_ut.cpp
+++ b/library/cpp/string_utils/base64/base64_decode_uneven_ut.cpp
@@ -2,45 +2,45 @@
 
 #include <library/cpp/string_utils/base64/base64.h>
 
-Y_UNIT_TEST_SUITE(TBase64DecodeUneven) { 
-    Y_UNIT_TEST(Base64DecodeUneven) { 
-        const TString wikipedia_slogan = 
-            "Man is distinguished, not only by his reason, " 
-            "but by this singular passion from other animals, which is a lust of the " 
-            "mind, that by a perseverance of delight in the continued and " 
-            "indefatigable generation of knowledge, exceeds the short " 
-            "vehemence of any carnal pleasure."; 
-        const TString encoded = 
-            "TWFuIGlzIGRpc3Rpbmd1aXNoZWQsIG5vdCBvbmx5IGJ5IGhpcyByZWFzb24sIGJ1dCBieSB0" 
-            "aGlzIHNpbmd1bGFyIHBhc3Npb24gZnJvbSBvdGhlciBhbmltYWxzLCB3aGljaCBpcyBhIGx1" 
-            "c3Qgb2YgdGhlIG1pbmQsIHRoYXQgYnkgYSBwZXJzZXZlcmFuY2Ugb2YgZGVsaWdodCBpbiB0" 
-            "aGUgY29udGludWVkIGFuZCBpbmRlZmF0aWdhYmxlIGdlbmVyYXRpb24gb2Yga25vd2xlZGdl" 
-            "LCBleGNlZWRzIHRoZSBzaG9ydCB2ZWhlbWVuY2Ugb2YgYW55IGNhcm5hbCBwbGVhc3VyZS4="; 
+Y_UNIT_TEST_SUITE(TBase64DecodeUneven) {
+    Y_UNIT_TEST(Base64DecodeUneven) {
+        const TString wikipedia_slogan =
+            "Man is distinguished, not only by his reason, "
+            "but by this singular passion from other animals, which is a lust of the "
+            "mind, that by a perseverance of delight in the continued and "
+            "indefatigable generation of knowledge, exceeds the short "
+            "vehemence of any carnal pleasure.";
+        const TString encoded =
+            "TWFuIGlzIGRpc3Rpbmd1aXNoZWQsIG5vdCBvbmx5IGJ5IGhpcyByZWFzb24sIGJ1dCBieSB0"
+            "aGlzIHNpbmd1bGFyIHBhc3Npb24gZnJvbSBvdGhlciBhbmltYWxzLCB3aGljaCBpcyBhIGx1"
+            "c3Qgb2YgdGhlIG1pbmQsIHRoYXQgYnkgYSBwZXJzZXZlcmFuY2Ugb2YgZGVsaWdodCBpbiB0"
+            "aGUgY29udGludWVkIGFuZCBpbmRlZmF0aWdhYmxlIGdlbmVyYXRpb24gb2Yga25vd2xlZGdl"
+            "LCBleGNlZWRzIHRoZSBzaG9ydCB2ZWhlbWVuY2Ugb2YgYW55IGNhcm5hbCBwbGVhc3VyZS4=";
 
-        UNIT_ASSERT_VALUES_EQUAL(encoded, Base64Encode(wikipedia_slogan)); 
-        UNIT_ASSERT_VALUES_EQUAL(wikipedia_slogan, Base64DecodeUneven(encoded)); 
+        UNIT_ASSERT_VALUES_EQUAL(encoded, Base64Encode(wikipedia_slogan));
+        UNIT_ASSERT_VALUES_EQUAL(wikipedia_slogan, Base64DecodeUneven(encoded));
 
-        const TString encoded_url1 = 
-            "TWFuIGlzIGRpc3Rpbmd1aXNoZWQsIG5vdCBvbmx5IGJ5IGhpcyByZWFzb24sIGJ1dCBieSB0" 
-            "aGlzIHNpbmd1bGFyIHBhc3Npb24gZnJvbSBvdGhlciBhbmltYWxzLCB3aGljaCBpcyBhIGx1" 
-            "c3Qgb2YgdGhlIG1pbmQsIHRoYXQgYnkgYSBwZXJzZXZlcmFuY2Ugb2YgZGVsaWdodCBpbiB0" 
-            "aGUgY29udGludWVkIGFuZCBpbmRlZmF0aWdhYmxlIGdlbmVyYXRpb24gb2Yga25vd2xlZGdl" 
-            "LCBleGNlZWRzIHRoZSBzaG9ydCB2ZWhlbWVuY2Ugb2YgYW55IGNhcm5hbCBwbGVhc3VyZS4,"; 
-        const TString encoded_url2 = 
-            "TWFuIGlzIGRpc3Rpbmd1aXNoZWQsIG5vdCBvbmx5IGJ5IGhpcyByZWFzb24sIGJ1dCBieSB0" 
-            "aGlzIHNpbmd1bGFyIHBhc3Npb24gZnJvbSBvdGhlciBhbmltYWxzLCB3aGljaCBpcyBhIGx1" 
-            "c3Qgb2YgdGhlIG1pbmQsIHRoYXQgYnkgYSBwZXJzZXZlcmFuY2Ugb2YgZGVsaWdodCBpbiB0" 
-            "aGUgY29udGludWVkIGFuZCBpbmRlZmF0aWdhYmxlIGdlbmVyYXRpb24gb2Yga25vd2xlZGdl" 
-            "LCBleGNlZWRzIHRoZSBzaG9ydCB2ZWhlbWVuY2Ugb2YgYW55IGNhcm5hbCBwbGVhc3VyZS4"; 
-        UNIT_ASSERT_VALUES_EQUAL(wikipedia_slogan, Base64DecodeUneven(encoded_url1)); 
-        UNIT_ASSERT_VALUES_EQUAL(wikipedia_slogan, Base64DecodeUneven(encoded_url2)); 
+        const TString encoded_url1 =
+            "TWFuIGlzIGRpc3Rpbmd1aXNoZWQsIG5vdCBvbmx5IGJ5IGhpcyByZWFzb24sIGJ1dCBieSB0"
+            "aGlzIHNpbmd1bGFyIHBhc3Npb24gZnJvbSBvdGhlciBhbmltYWxzLCB3aGljaCBpcyBhIGx1"
+            "c3Qgb2YgdGhlIG1pbmQsIHRoYXQgYnkgYSBwZXJzZXZlcmFuY2Ugb2YgZGVsaWdodCBpbiB0"
+            "aGUgY29udGludWVkIGFuZCBpbmRlZmF0aWdhYmxlIGdlbmVyYXRpb24gb2Yga25vd2xlZGdl"
+            "LCBleGNlZWRzIHRoZSBzaG9ydCB2ZWhlbWVuY2Ugb2YgYW55IGNhcm5hbCBwbGVhc3VyZS4,";
+        const TString encoded_url2 =
+            "TWFuIGlzIGRpc3Rpbmd1aXNoZWQsIG5vdCBvbmx5IGJ5IGhpcyByZWFzb24sIGJ1dCBieSB0"
+            "aGlzIHNpbmd1bGFyIHBhc3Npb24gZnJvbSBvdGhlciBhbmltYWxzLCB3aGljaCBpcyBhIGx1"
+            "c3Qgb2YgdGhlIG1pbmQsIHRoYXQgYnkgYSBwZXJzZXZlcmFuY2Ugb2YgZGVsaWdodCBpbiB0"
+            "aGUgY29udGludWVkIGFuZCBpbmRlZmF0aWdhYmxlIGdlbmVyYXRpb24gb2Yga25vd2xlZGdl"
+            "LCBleGNlZWRzIHRoZSBzaG9ydCB2ZWhlbWVuY2Ugb2YgYW55IGNhcm5hbCBwbGVhc3VyZS4";
+        UNIT_ASSERT_VALUES_EQUAL(wikipedia_slogan, Base64DecodeUneven(encoded_url1));
+        UNIT_ASSERT_VALUES_EQUAL(wikipedia_slogan, Base64DecodeUneven(encoded_url2));
 
-        const TString lp = "Linkin Park"; 
-        UNIT_ASSERT_VALUES_EQUAL(lp, Base64DecodeUneven(Base64Encode(lp))); 
-        UNIT_ASSERT_VALUES_EQUAL(lp, Base64DecodeUneven(Base64EncodeUrl(lp))); 
+        const TString lp = "Linkin Park";
+        UNIT_ASSERT_VALUES_EQUAL(lp, Base64DecodeUneven(Base64Encode(lp)));
+        UNIT_ASSERT_VALUES_EQUAL(lp, Base64DecodeUneven(Base64EncodeUrl(lp)));
 
-        const TString dp = "ADP GmbH\nAnalyse Design & Programmierung\nGesellschaft mit beschränkter Haftung"; 
-        UNIT_ASSERT_VALUES_EQUAL(dp, Base64DecodeUneven(Base64Encode(dp))); 
-        UNIT_ASSERT_VALUES_EQUAL(dp, Base64DecodeUneven(Base64EncodeUrl(dp))); 
+        const TString dp = "ADP GmbH\nAnalyse Design & Programmierung\nGesellschaft mit beschränkter Haftung";
+        UNIT_ASSERT_VALUES_EQUAL(dp, Base64DecodeUneven(Base64Encode(dp)));
+        UNIT_ASSERT_VALUES_EQUAL(dp, Base64DecodeUneven(Base64EncodeUrl(dp)));
     }
 }
diff --git a/library/cpp/string_utils/base64/base64_ut.cpp b/library/cpp/string_utils/base64/base64_ut.cpp
index 4ba3cc6eb6..bcc1e65879 100644
--- a/library/cpp/string_utils/base64/base64_ut.cpp
+++ b/library/cpp/string_utils/base64/base64_ut.cpp
@@ -94,8 +94,8 @@ namespace NB64Etalon {
             MAX_IMPL
         };
 
-        using TEncodeF = void (*)(const TStringBuf&, TString&); 
-        using TDecodeF = void (*)(const TStringBuf&, TString&); 
+        using TEncodeF = void (*)(const TStringBuf&, TString&);
+        using TDecodeF = void (*)(const TStringBuf&, TString&);
 
         struct TImpl {
             TEncodeF Encode = nullptr;
@@ -163,8 +163,8 @@ void Out<NB64Etalon::TImpls::EImpl>(IOutputStream& o, typename TTypeTraits<NB64E
     }
 }
 
-static void TestEncodeDecodeIntoString(const TString& plain, const TString& encoded, const TString& encodedUrl) { 
-    TString a, b; 
+static void TestEncodeDecodeIntoString(const TString& plain, const TString& encoded, const TString& encodedUrl) {
+    TString a, b;
 
     Base64Encode(plain, a);
     UNIT_ASSERT_VALUES_EQUAL(a, encoded);
@@ -179,8 +179,8 @@ static void TestEncodeDecodeIntoString(const TString& plain, const TString& enco
     UNIT_ASSERT_VALUES_EQUAL(b, plain);
 }
 
-static void TestEncodeStrictDecodeIntoString(const TString& plain, const TString& encoded, const TString& encodedUrl) { 
-    TString a, b; 
+static void TestEncodeStrictDecodeIntoString(const TString& plain, const TString& encoded, const TString& encodedUrl) {
+    TString a, b;
 
     Base64Encode(plain, a);
     UNIT_ASSERT_VALUES_EQUAL(a, encoded);
@@ -205,11 +205,11 @@ Y_UNIT_TEST_SUITE(TBase64) {
 
     Y_UNIT_TEST(TestIntoString) {
         {
-            TString str; 
+            TString str;
             for (size_t i = 0; i < 256; ++i)
                 str += char(i);
 
-            const TString base64 = 
+            const TString base64 =
                 "AAECAwQFBgcICQoLDA0ODxAREhMUFRYXGBkaGxwdHh8gISIjJCUmJy"
                 "gpKissLS4vMDEyMzQ1Njc4OTo7PD0+P0BBQkNERUZHSElKS0xNTk9Q"
                 "UVJTVFVWV1hZWltcXV5fYGFiY2RlZmdoaWprbG1ub3BxcnN0dXZ3eH"
@@ -217,7 +217,7 @@ Y_UNIT_TEST_SUITE(TBase64) {
                 "oqOkpaanqKmqq6ytrq+wsbKztLW2t7i5uru8vb6/wMHCw8TFxsfIyc"
                 "rLzM3Oz9DR0tPU1dbX2Nna29zd3t/g4eLj5OXm5+jp6uvs7e7v8PHy"
                 "8/T19vf4+fr7/P3+/w==";
-            const TString base64Url = 
+            const TString base64Url =
                 "AAECAwQFBgcICQoLDA0ODxAREhMUFRYXGBkaGxwdHh8gISIjJCUmJy"
                 "gpKissLS4vMDEyMzQ1Njc4OTo7PD0-P0BBQkNERUZHSElKS0xNTk9Q"
                 "UVJTVFVWV1hZWltcXV5fYGFiY2RlZmdoaWprbG1ub3BxcnN0dXZ3eH"
@@ -231,10 +231,10 @@ Y_UNIT_TEST_SUITE(TBase64) {
         }
 
         {
-            const TString str = "http://yandex.ru:1234/request?param=value&lll=fff#fragment"; 
+            const TString str = "http://yandex.ru:1234/request?param=value&lll=fff#fragment";
 
-            const TString base64 = "aHR0cDovL3lhbmRleC5ydToxMjM0L3JlcXVlc3Q/cGFyYW09dmFsdWUmbGxsPWZmZiNmcmFnbWVudA=="; 
-            const TString base64Url = "aHR0cDovL3lhbmRleC5ydToxMjM0L3JlcXVlc3Q_cGFyYW09dmFsdWUmbGxsPWZmZiNmcmFnbWVudA,,"; 
+            const TString base64 = "aHR0cDovL3lhbmRleC5ydToxMjM0L3JlcXVlc3Q/cGFyYW09dmFsdWUmbGxsPWZmZiNmcmFnbWVudA==";
+            const TString base64Url = "aHR0cDovL3lhbmRleC5ydToxMjM0L3JlcXVlc3Q_cGFyYW09dmFsdWUmbGxsPWZmZiNmcmFnbWVudA,,";
 
             TestEncodeDecodeIntoString(str, base64, base64Url);
             TestEncodeStrictDecodeIntoString(str, base64, base64Url);
@@ -286,94 +286,94 @@ Y_UNIT_TEST_SUITE(TBase64) {
     }
 
     Y_UNIT_TEST(TestDecodeRandom) {
-        TString input; 
+        TString input;
         constexpr size_t testSize = 240000;
         for (size_t i = 0; i < testSize; ++i) {
             input.push_back(rand() % 256);
         }
-        TString output; 
-        TString encoded = Base64Encode(input); 
+        TString output;
+        TString encoded = Base64Encode(input);
         UNIT_ASSERT_VALUES_EQUAL(Base64Decode(encoded), input);
         UNIT_ASSERT_VALUES_EQUAL(Base64StrictDecode(encoded), input);
     }
 
     Y_UNIT_TEST(TestAllPossibleOctets) {
         const TString x("\0\x01\x02\x03\x04\x05\x06\x07\b\t\n\x0B\f\r\x0E\x0F\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1A\x1B\x1C\x1D\x1E\x1F !\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqrstuvwxyz{|}~\x7F"sv);
-        const TString xEnc = "AAECAwQFBgcICQoLDA0ODxAREhMUFRYXGBkaGxwdHh8gISIjJCUmJygpKissLS4vMDEyMzQ1Njc4OTo7PD0+P0BBQkNERUZHSElKS0xNTk9QUVJTVFVWV1hZWltcXV5fYGFiY2RlZmdoaWprbG1ub3BxcnN0dXZ3eHl6e3x9fn8="; 
-        const TString y = Base64Decode(xEnc); 
-        const TString yEnc = Base64Encode(x); 
+        const TString xEnc = "AAECAwQFBgcICQoLDA0ODxAREhMUFRYXGBkaGxwdHh8gISIjJCUmJygpKissLS4vMDEyMzQ1Njc4OTo7PD0+P0BBQkNERUZHSElKS0xNTk9QUVJTVFVWV1hZWltcXV5fYGFiY2RlZmdoaWprbG1ub3BxcnN0dXZ3eHl6e3x9fn8=";
+        const TString y = Base64Decode(xEnc);
+        const TString yEnc = Base64Encode(x);
         UNIT_ASSERT_VALUES_EQUAL(x, y);
         UNIT_ASSERT_VALUES_EQUAL(xEnc, yEnc);
     }
 
     Y_UNIT_TEST(TestTwoPaddingCharacters) {
         const TString x("a");
-        const TString xEnc = "YQ=="; 
-        const TString y = Base64Decode(xEnc); 
-        const TString yEnc = Base64Encode(x); 
+        const TString xEnc = "YQ==";
+        const TString y = Base64Decode(xEnc);
+        const TString yEnc = Base64Encode(x);
         UNIT_ASSERT_VALUES_EQUAL(x, y);
         UNIT_ASSERT_VALUES_EQUAL(xEnc, yEnc);
     }
 
     Y_UNIT_TEST(TestOnePaddingCharacter) {
         const TString x("aa");
-        const TString xEnc = "YWE="; 
-        const TString y = Base64Decode(xEnc); 
-        const TString yEnc = Base64Encode(x); 
+        const TString xEnc = "YWE=";
+        const TString y = Base64Decode(xEnc);
+        const TString yEnc = Base64Encode(x);
         UNIT_ASSERT_VALUES_EQUAL(x, y);
         UNIT_ASSERT_VALUES_EQUAL(xEnc, yEnc);
     }
 
     Y_UNIT_TEST(TestNoPaddingCharacters) {
         const TString x("aaa");
-        const TString xEnc = "YWFh"; 
-        const TString y = Base64Decode(xEnc); 
-        const TString yEnc = Base64Encode(x); 
+        const TString xEnc = "YWFh";
+        const TString y = Base64Decode(xEnc);
+        const TString yEnc = Base64Encode(x);
         UNIT_ASSERT_VALUES_EQUAL(x, y);
         UNIT_ASSERT_VALUES_EQUAL(xEnc, yEnc);
     }
 
     Y_UNIT_TEST(TestTrailingZero) {
         const TString x("foo\0"sv);
-        const TString xEnc = "Zm9vAA=="; 
-        const TString y = Base64Decode(xEnc); 
-        const TString yEnc = Base64Encode(x); 
+        const TString xEnc = "Zm9vAA==";
+        const TString y = Base64Decode(xEnc);
+        const TString yEnc = Base64Encode(x);
         UNIT_ASSERT_VALUES_EQUAL(x, y);
         UNIT_ASSERT_VALUES_EQUAL(xEnc, yEnc);
     }
 
     Y_UNIT_TEST(TestTwoTrailingZeroes) {
         const TString x("foo\0\0"sv);
-        const TString xEnc = "Zm9vAAA="; 
-        const TString y = Base64Decode(xEnc); 
-        const TString yEnc = Base64Encode(x); 
+        const TString xEnc = "Zm9vAAA=";
+        const TString y = Base64Decode(xEnc);
+        const TString yEnc = Base64Encode(x);
         UNIT_ASSERT_VALUES_EQUAL(x, y);
         UNIT_ASSERT_VALUES_EQUAL(xEnc, yEnc);
     }
 
     Y_UNIT_TEST(TestZero) {
         const TString x("\0"sv);
-        const TString xEnc = "AA=="; 
-        const TString y = Base64Decode(xEnc); 
-        const TString yEnc = Base64Encode(x); 
+        const TString xEnc = "AA==";
+        const TString y = Base64Decode(xEnc);
+        const TString yEnc = Base64Encode(x);
         UNIT_ASSERT_VALUES_EQUAL(x, y);
         UNIT_ASSERT_VALUES_EQUAL(xEnc, yEnc);
     }
 
     Y_UNIT_TEST(TestSymbolsAfterZero) {
         const TString x("\0a"sv);
-        const TString xEnc = "AGE="; 
-        const TString y = Base64Decode(xEnc); 
-        const TString yEnc = Base64Encode(x); 
+        const TString xEnc = "AGE=";
+        const TString y = Base64Decode(xEnc);
+        const TString yEnc = Base64Encode(x);
         UNIT_ASSERT_VALUES_EQUAL(x, y);
         UNIT_ASSERT_VALUES_EQUAL(xEnc, yEnc);
     }
 
     Y_UNIT_TEST(TestEmptyString) {
         const TString x = "";
-        const TString xEnc = ""; 
-        const TString y = Base64Decode(xEnc); 
-        const TString yEnc = Base64Encode(x); 
+        const TString xEnc = "";
+        const TString y = Base64Decode(xEnc);
+        const TString yEnc = Base64Encode(x);
         UNIT_ASSERT_VALUES_EQUAL(x, y);
         UNIT_ASSERT_VALUES_EQUAL(xEnc, yEnc);
     }
@@ -382,11 +382,11 @@ Y_UNIT_TEST_SUITE(TBase64) {
         constexpr size_t TEST_CASES_COUNT = 1000;
         constexpr size_t MAX_DATA_SIZE = 1000;
         TFastRng<ui32> prng{42};
-        TVector<TString> xs{TEST_CASES_COUNT}; 
-        TString xEnc; 
-        TString xDec; 
-        TString yEnc; 
-        TString yDec; 
+        TVector<TString> xs{TEST_CASES_COUNT};
+        TString xEnc;
+        TString xDec;
+        TString yEnc;
+        TString yDec;
 
         for (auto& x : xs) {
             const size_t size = prng() % MAX_DATA_SIZE;
@@ -426,8 +426,8 @@ Y_UNIT_TEST_SUITE(TBase64) {
         constexpr size_t TEST_CASES_COUNT = 1000;
         constexpr size_t MAX_DATA_SIZE = 1000;
         TFastRng<ui32> prng{42};
-        TString x; 
-        TVector<char> buf; 
+        TString x;
+        TVector<char> buf;
         for (size_t i = 0; i < TEST_CASES_COUNT; ++i) {
             const size_t size = prng() % MAX_DATA_SIZE;
             x.clear();
diff --git a/library/cpp/string_utils/base64/bench/main.cpp b/library/cpp/string_utils/base64/bench/main.cpp
index 2b371cd3f1..10e09bc1c7 100644
--- a/library/cpp/string_utils/base64/bench/main.cpp
+++ b/library/cpp/string_utils/base64/bench/main.cpp
@@ -4,7 +4,7 @@
 
 #include <util/generic/buffer.h>
 #include <util/generic/singleton.h>
-#include <util/generic/string.h> 
+#include <util/generic/string.h>
 #include <util/generic/vector.h>
 #include <util/generic/xrange.h>
 #include <util/generic/yexception.h>
@@ -12,9 +12,9 @@
 
 #include <array>
 
-static TString GenerateRandomData(const size_t minSize, const size_t maxSize) { 
+static TString GenerateRandomData(const size_t minSize, const size_t maxSize) {
     Y_ENSURE(minSize <= maxSize, "wow");
-    TString r; 
+    TString r;
     for (size_t i = 0; i < minSize; ++i) {
         r.push_back(RandomNumber<char>());
     }
@@ -32,8 +32,8 @@ static TString GenerateRandomData(const size_t minSize, const size_t maxSize) {
 }
 
 template <size_t N>
-static std::array<TString, N> GenerateRandomDataVector(const size_t minSize, const size_t maxSize) { 
-    std::array<TString, N> r; 
+static std::array<TString, N> GenerateRandomDataVector(const size_t minSize, const size_t maxSize) {
+    std::array<TString, N> r;
     for (size_t i = 0; i < N; ++i) {
         r[i] = GenerateRandomData(minSize, maxSize);
     }
@@ -42,8 +42,8 @@ static std::array<TString, N> GenerateRandomDataVector(const size_t minSize, con
 }
 
 template <size_t N>
-static std::array<TString, N> Encode(const std::array<TString, N>& d) { 
-    std::array<TString, N> r; 
+static std::array<TString, N> Encode(const std::array<TString, N>& d) {
+    std::array<TString, N> r;
     for (size_t i = 0, iEnd = d.size(); i < iEnd; ++i) {
         r[i] = Base64Encode(d[i]);
     }
@@ -67,8 +67,8 @@ namespace {
         }
 
         static constexpr size_t Size = N;
-        const std::array<TString, N> Data; 
-        const std::array<TString, N> DataEncoded; 
+        const std::array<TString, N> Data;
+        const std::array<TString, N> DataEncoded;
         std::array<TBuffer, N> PlaceToEncode;
         std::array<TBuffer, N> PlaceToDecode;
     };
diff --git a/library/cpp/string_utils/base64/ut/ya.make b/library/cpp/string_utils/base64/ut/ya.make
index ec02357f0a..9b61241f0e 100644
--- a/library/cpp/string_utils/base64/ut/ya.make
+++ b/library/cpp/string_utils/base64/ut/ya.make
@@ -7,7 +7,7 @@ UNITTEST_FOR(library/cpp/string_utils/base64)
 
 SRCS(
     base64_ut.cpp
-    base64_decode_uneven_ut.cpp 
+    base64_decode_uneven_ut.cpp
 )
 
 PEERDIR(
diff --git a/library/cpp/string_utils/indent_text/indent_text.cpp b/library/cpp/string_utils/indent_text/indent_text.cpp
index 8b878aef65..09a4f6bca8 100644
--- a/library/cpp/string_utils/indent_text/indent_text.cpp
+++ b/library/cpp/string_utils/indent_text/indent_text.cpp
@@ -2,9 +2,9 @@
 
 #include <util/stream/str.h>
 
-TString IndentText(TStringBuf text, TStringBuf indent) { 
+TString IndentText(TStringBuf text, TStringBuf indent) {
     if (text.empty())
-        return TString(); 
+        return TString();
 
     TStringStream ss;
     ss.Reserve(text.size() + 20);
diff --git a/library/cpp/string_utils/indent_text/indent_text.h b/library/cpp/string_utils/indent_text/indent_text.h
index f5ececcf80..7117d6c0ee 100644
--- a/library/cpp/string_utils/indent_text/indent_text.h
+++ b/library/cpp/string_utils/indent_text/indent_text.h
@@ -1,6 +1,6 @@
 #pragma once
 
-#include <util/generic/string.h> 
+#include <util/generic/string.h>
 #include <util/generic/strbuf.h>
 
 TString IndentText(TStringBuf text, TStringBuf indent = TStringBuf("    "));
diff --git a/library/cpp/string_utils/levenshtein_diff/levenshtein_diff.h b/library/cpp/string_utils/levenshtein_diff/levenshtein_diff.h
index 9208276b70..8a240bfed8 100644
--- a/library/cpp/string_utils/levenshtein_diff/levenshtein_diff.h
+++ b/library/cpp/string_utils/levenshtein_diff/levenshtein_diff.h
@@ -39,7 +39,7 @@ namespace NLevenshtein {
         }
     }
 
-    using TEditChain = TVector<EEditMoveType>; 
+    using TEditChain = TVector<EEditMoveType>;
 
     template <typename TArgType>
     struct TWeightOneUnaryGetter {
@@ -139,7 +139,7 @@ namespace NLevenshtein {
         }
     }
 
-    template <class TStringType> 
+    template <class TStringType>
     size_t Distance(const TStringType& str1, const TStringType& str2) {
         TEditChain editChain;
         GetEditChain(str1, str2, editChain);
@@ -170,8 +170,8 @@ namespace NLevenshtein {
         }
     };
 
-    template <class TStringType> 
-    void GetStringReplacements(const TStringType& str1, const TStringType& str2, TVector<TReplacement>& res) { 
+    template <class TStringType>
+    void GetStringReplacements(const TStringType& str1, const TStringType& str2, TVector<TReplacement>& res) {
         TEditChain editChain;
         GetEditChain(str1, str2, editChain);
         editChain.push_back(EMT_SPECIAL);
diff --git a/library/cpp/string_utils/parse_size/parse_size_ut.cpp b/library/cpp/string_utils/parse_size/parse_size_ut.cpp
index ebf0b55e4f..8fff4f56b2 100644
--- a/library/cpp/string_utils/parse_size/parse_size_ut.cpp
+++ b/library/cpp/string_utils/parse_size/parse_size_ut.cpp
@@ -56,7 +56,7 @@ private:
     }
 
     void TestToString() {
-        UNIT_ASSERT_VALUES_EQUAL(ToString(FromKiloBytes(1)), TString("1024")); 
+        UNIT_ASSERT_VALUES_EQUAL(ToString(FromKiloBytes(1)), TString("1024"));
     }
 };
 
diff --git a/library/cpp/string_utils/quote/quote.cpp b/library/cpp/string_utils/quote/quote.cpp
index 9350765b01..e523350b80 100644
--- a/library/cpp/string_utils/quote/quote.cpp
+++ b/library/cpp/string_utils/quote/quote.cpp
@@ -1,8 +1,8 @@
 #include "quote.h"
 
 #include <util/memory/tempbuf.h>
-#include <util/string/ascii.h> 
-#include <util/string/cstriter.h> 
+#include <util/string/ascii.h>
+#include <util/string/cstriter.h>
 
 #include <cctype>
 
@@ -14,14 +14,14 @@
         ++x;                                                            \
     } while (0)
 
-#define GETSBXC                                                         \ 
-    do {                                                                \ 
-        c *= 16;                                                        \ 
-        c += (x[0] >= 'A' ? ((x[0] & 0xdf) - 'A') + 10 : (x[0] - '0')); \ 
-        x.Skip(1);                                                      \ 
-    } while (0) 
- 
- 
+#define GETSBXC                                                         \
+    do {                                                                \
+        c *= 16;                                                        \
+        c += (x[0] >= 'A' ? ((x[0] & 0xdf) - 'A') + 10 : (x[0] - '0')); \
+        x.Skip(1);                                                      \
+    } while (0)
+
+
 namespace {
     class TFromHexZeroTerm {
     public:
@@ -40,8 +40,8 @@ namespace {
                 return '%';
             ui8 c = 0;
 
-            GETSBXC; 
-            GETSBXC; 
+            GETSBXC;
+            GETSBXC;
             return c;
         }
     };
@@ -68,7 +68,7 @@ static inline char d2x(unsigned x) {
     return (char)((x < 10) ? ('0' + x) : ('A' + x - 10));
 }
 
-static inline const char* FixZero(const char* s) noexcept { 
+static inline const char* FixZero(const char* s) noexcept {
     return s ? s : "";
 }
 
@@ -155,15 +155,15 @@ char* CGIEscape(char* to, const char* from, size_t len) {
     return Escape(to, from, from + len);
 }
 
-void CGIEscape(TString& url) { 
+void CGIEscape(TString& url) {
     TTempBuf tempBuf(CgiEscapeBufLen(url.size()));
     char* to = tempBuf.Data();
 
     url.AssignNoAlias(to, CGIEscape(to, url.data(), url.size()));
 }
 
-TString CGIEscapeRet(const TStringBuf url) { 
-    TString to; 
+TString CGIEscapeRet(const TStringBuf url) {
+    TString to;
     to.ReserveAndResize(CgiEscapeBufLen(url.size()));
     to.resize(CGIEscape(to.begin(), url.data(), url.size()) - to.data());
     return to;
@@ -207,7 +207,7 @@ char* Quote(char* to, const TStringBuf s, const char* safe) {
     return Quote(to, s.data(), s.data() + s.size(), safe);
 }
 
-void Quote(TString& url, const char* safe) { 
+void Quote(TString& url, const char* safe) {
     TTempBuf tempBuf(CgiEscapeBufLen(url.size()));
     char* to = tempBuf.Data();
 
@@ -222,7 +222,7 @@ char* CGIUnescape(char* to, const char* from, size_t len) {
     return Unescape(to, from, from + len, TFromHexLenLimited(from + len));
 }
 
-void CGIUnescape(TString& url) { 
+void CGIUnescape(TString& url) {
     if (url.empty()) {
         return;
     }
@@ -235,8 +235,8 @@ void CGIUnescape(TString& url) {
     }
 }
 
-TString CGIUnescapeRet(const TStringBuf from) { 
-    TString to; 
+TString CGIUnescapeRet(const TStringBuf from) {
+    TString to;
     to.ReserveAndResize(CgiUnescapeBufLen(from.size()));
     to.resize(CGIUnescape(to.begin(), from.data(), from.size()) - to.data());
     return to;
@@ -245,7 +245,7 @@ TString CGIUnescapeRet(const TStringBuf from) {
 char* UrlUnescape(char* to, TStringBuf from) {
     while (!from.empty()) {
         char ch = from[0];
-        from.Skip(1); 
+        from.Skip(1);
         if ('%' == ch && 2 <= from.length())
             ch = TFromHexZeroTerm::x2c(from);
         *to++ = ch;
@@ -256,7 +256,7 @@ char* UrlUnescape(char* to, TStringBuf from) {
     return to;
 }
 
-void UrlUnescape(TString& url) { 
+void UrlUnescape(TString& url) {
     if (url.empty()) {
         return;
     }
@@ -269,8 +269,8 @@ void UrlUnescape(TString& url) {
     }
 }
 
-TString UrlUnescapeRet(const TStringBuf from) { 
-    TString to; 
+TString UrlUnescapeRet(const TStringBuf from) {
+    TString to;
     to.ReserveAndResize(CgiUnescapeBufLen(from.size()));
     to.resize(UrlUnescape(to.begin(), from) - to.data());
     return to;
diff --git a/library/cpp/string_utils/quote/quote.h b/library/cpp/string_utils/quote/quote.h
index 605a5cd858..3b7221154e 100644
--- a/library/cpp/string_utils/quote/quote.h
+++ b/library/cpp/string_utils/quote/quote.h
@@ -1,7 +1,7 @@
 #pragma once
 
 #include <util/generic/strbuf.h>
-#include <util/generic/string.h> 
+#include <util/generic/string.h>
 
 //CGIEscape*:
 // ' ' converted to '+',
@@ -13,8 +13,8 @@ char* CGIEscape(char* to, const char* from, size_t len);
 inline char* CGIEscape(char* to, const TStringBuf from) {
     return CGIEscape(to, from.data(), from.size());
 }
-void CGIEscape(TString& url); 
-TString CGIEscapeRet(const TStringBuf url); 
+void CGIEscape(TString& url);
+TString CGIEscapeRet(const TStringBuf url);
 TString& AppendCgiEscaped(const TStringBuf value, TString& to);
 
 inline TStringBuf CgiEscapeBuf(char* to, const TStringBuf from) {
@@ -30,8 +30,8 @@ inline TStringBuf CgiEscape(void* tmp, const TStringBuf s) {
 // If pointer returned, then this is pointer to the end of the result string.
 char* CGIUnescape(char* to, const char* from);
 char* CGIUnescape(char* to, const char* from, size_t len);
-void CGIUnescape(TString& url); 
-TString CGIUnescapeRet(const TStringBuf from); 
+void CGIUnescape(TString& url);
+TString CGIUnescapeRet(const TStringBuf from);
 
 inline TStringBuf CgiUnescapeBuf(char* to, const TStringBuf from) {
     return TStringBuf(to, CGIUnescape(to, from.data(), from.size()));
@@ -44,13 +44,13 @@ inline TStringBuf CgiUnescape(void* tmp, const TStringBuf s) {
 // Is like CGIEscape, also skips encoding of user-supplied 'safe' characters.
 char* Quote(char* to, const char* from, const char* safe = "/");
 char* Quote(char* to, const TStringBuf s, const char* safe = "/");
-void Quote(TString& url, const char* safe = "/"); 
+void Quote(TString& url, const char* safe = "/");
 
 //UrlEscape:
 // Can't be used for cgi parameters ('&' character is not escaped)!
 // escapes only '%' not followed by two hex-digits or if forceEscape set to ture,
 // and chars outside [32, 126] range.
-// Can't handle '\0'-chars in TString. 
+// Can't handle '\0'-chars in TString.
 char* UrlEscape(char* to, const char* from, bool forceEscape = false);
 void UrlEscape(TString& url, bool forceEscape = false);
 TString UrlEscapeRet(const TStringBuf from, bool forceEscape = false);
@@ -59,8 +59,8 @@ TString UrlEscapeRet(const TStringBuf from, bool forceEscape = false);
 // '+' is NOT converted to space!
 // %xx converted to bytes, other characters are copied unchanged.
 char* UrlUnescape(char* to, TStringBuf from);
-void UrlUnescape(TString& url); 
-TString UrlUnescapeRet(const TStringBuf from); 
+void UrlUnescape(TString& url);
+TString UrlUnescapeRet(const TStringBuf from);
 
 //*BufLen: how much characters you should allocate for 'char* to' buffers.
 constexpr size_t CgiEscapeBufLen(const size_t len) noexcept {
diff --git a/library/cpp/string_utils/quote/quote_ut.cpp b/library/cpp/string_utils/quote/quote_ut.cpp
index 46015c8046..6c552b279e 100644
--- a/library/cpp/string_utils/quote/quote_ut.cpp
+++ b/library/cpp/string_utils/quote/quote_ut.cpp
@@ -14,7 +14,7 @@ Y_UNIT_TEST_SUITE(TCGIEscapeTest) {
         char r[] = {'1', '2', '3', '4'};
         char buf[sizeof(r) * 3 + 2];
 
-        TString ret(buf, CGIEscape(buf, r, sizeof(r))); 
+        TString ret(buf, CGIEscape(buf, r, sizeof(r)));
 
         UNIT_ASSERT_EQUAL(ret, "1234");
     }
@@ -125,7 +125,7 @@ Y_UNIT_TEST_SUITE(TCGIUnescapeTest) {
     }
 
     Y_UNIT_TEST(StrokaOutParameterInplace) {
-        TString s; 
+        TString s;
 
         s = "hello%3dworld";
         CGIUnescape(s);
@@ -149,7 +149,7 @@ Y_UNIT_TEST_SUITE(TCGIUnescapeTest) {
     }
 
     Y_UNIT_TEST(StrokaOutParameterNotInplace) {
-        TString s, sCopy; 
+        TString s, sCopy;
 
         s = "hello%3dworld";
         sCopy = s;
@@ -232,7 +232,7 @@ Y_UNIT_TEST_SUITE(TUrlEscapeTest) {
 
 Y_UNIT_TEST_SUITE(TUrlUnescapeTest) {
     Y_UNIT_TEST(StrokaOutParameterInplace) {
-        TString s; 
+        TString s;
 
         s = "hello%3dworld";
         UrlUnescape(s);
@@ -256,7 +256,7 @@ Y_UNIT_TEST_SUITE(TUrlUnescapeTest) {
     }
 
     Y_UNIT_TEST(StrokaOutParameterNotInplace) {
-        TString s, sCopy; 
+        TString s, sCopy;
 
         s = "hello%3dworld";
         sCopy = s;
@@ -297,7 +297,7 @@ Y_UNIT_TEST_SUITE(TQuoteTest) {
         char r[100];
         Quote(r, "/path;tail/path,tail/");
         UNIT_ASSERT_VALUES_EQUAL("/path%3Btail/path%2Ctail/", r);
-        TString s("/path;tail/path,tail/"); 
+        TString s("/path;tail/path,tail/");
         Quote(s);
         UNIT_ASSERT_VALUES_EQUAL("/path%3Btail/path%2Ctail/", s.c_str());
     }
@@ -306,7 +306,7 @@ Y_UNIT_TEST_SUITE(TQuoteTest) {
         char r[100];
         Quote(r, "/path;tail/path,tail/", ";,");
         UNIT_ASSERT_VALUES_EQUAL("%2Fpath;tail%2Fpath,tail%2F", r);
-        TString s("/path;tail/path,tail/"); 
+        TString s("/path;tail/path,tail/");
         Quote(s, ";,");
         UNIT_ASSERT_VALUES_EQUAL("%2Fpath;tail%2Fpath,tail%2F", s.c_str());
     }
diff --git a/library/cpp/string_utils/quote/ut/ya.make b/library/cpp/string_utils/quote/ut/ya.make
index 50a6c0d85b..eca955144f 100644
--- a/library/cpp/string_utils/quote/ut/ya.make
+++ b/library/cpp/string_utils/quote/ut/ya.make
@@ -1,9 +1,9 @@
 UNITTEST_FOR(library/cpp/string_utils/quote)
- 
-OWNER(vladon) 
- 
-SRCS( 
-    quote_ut.cpp 
-) 
- 
-END() 
+
+OWNER(vladon)
+
+SRCS(
+    quote_ut.cpp
+)
+
+END()
diff --git a/library/cpp/string_utils/quote/ya.make b/library/cpp/string_utils/quote/ya.make
index d48130fe24..55bb3cf939 100644
--- a/library/cpp/string_utils/quote/ya.make
+++ b/library/cpp/string_utils/quote/ya.make
@@ -1,10 +1,10 @@
-LIBRARY() 
- 
-OWNER(g:util) 
- 
-SRCS( 
-    quote.cpp 
-    quote.h 
-) 
- 
-END() 
+LIBRARY()
+
+OWNER(g:util)
+
+SRCS(
+    quote.cpp
+    quote.h
+)
+
+END()
diff --git a/library/cpp/string_utils/relaxed_escaper/relaxed_escaper.h b/library/cpp/string_utils/relaxed_escaper/relaxed_escaper.h
index 7c45f50c9b..d7ea7c1259 100644
--- a/library/cpp/string_utils/relaxed_escaper/relaxed_escaper.h
+++ b/library/cpp/string_utils/relaxed_escaper/relaxed_escaper.h
@@ -165,7 +165,7 @@ namespace NEscJ {
     }
 
     template <bool quote, bool tounicode>
-    inline void EscapeJ(TStringBuf in, TString& out, TStringBuf safe = TStringBuf(), TStringBuf unsafe = TStringBuf()) { 
+    inline void EscapeJ(TStringBuf in, TString& out, TStringBuf safe = TStringBuf(), TStringBuf unsafe = TStringBuf()) {
         TTempBuf b(SuggestBuffer(in.size()) + 2);
 
         if (quote)
@@ -180,8 +180,8 @@ namespace NEscJ {
     }
 
     template <bool quote, bool tounicode>
-    inline TString EscapeJ(TStringBuf in, TStringBuf safe = TStringBuf(), TStringBuf unsafe = TStringBuf()) { 
-        TString s; 
+    inline TString EscapeJ(TStringBuf in, TStringBuf safe = TStringBuf(), TStringBuf unsafe = TStringBuf()) {
+        TString s;
         EscapeJ<quote, tounicode>(in, s, safe, unsafe);
         return s;
     }
@@ -197,12 +197,12 @@ namespace NEscJ {
     }
 
     template <bool quote>
-    inline void EscapeJ(TStringBuf in, TString& out, TStringBuf safe = TStringBuf(), TStringBuf unsafe = TStringBuf()) { 
+    inline void EscapeJ(TStringBuf in, TString& out, TStringBuf safe = TStringBuf(), TStringBuf unsafe = TStringBuf()) {
         EscapeJ<quote, false>(in, out, safe, unsafe);
     }
 
     template <bool quote>
-    inline TString EscapeJ(TStringBuf in, TStringBuf safe = TStringBuf(), TStringBuf unsafe = TStringBuf()) { 
+    inline TString EscapeJ(TStringBuf in, TStringBuf safe = TStringBuf(), TStringBuf unsafe = TStringBuf()) {
         return EscapeJ<quote, false>(in, safe, unsafe);
     }
 }
diff --git a/library/cpp/string_utils/relaxed_escaper/relaxed_escaper_ut.cpp b/library/cpp/string_utils/relaxed_escaper/relaxed_escaper_ut.cpp
index a54c5a0108..768555ea3a 100644
--- a/library/cpp/string_utils/relaxed_escaper/relaxed_escaper_ut.cpp
+++ b/library/cpp/string_utils/relaxed_escaper/relaxed_escaper_ut.cpp
@@ -31,15 +31,15 @@ Y_UNIT_TEST_SUITE(TRelaxedEscaperTest) {
         for (size_t i = 0; i < Y_ARRAY_SIZE(CommonTestData); i += 2) {
             TString expected(CommonTestData[i].data(), CommonTestData[i].size());
             TString source(CommonTestData[i + 1].data(), CommonTestData[i + 1].size());
-            TString actual(EscapeJ<false>(source)); 
-            TString actual2(UnescapeC(expected)); 
+            TString actual(EscapeJ<false>(source));
+            TString actual2(UnescapeC(expected));
 
             UNIT_ASSERT_VALUES_EQUAL(expected, actual);
             UNIT_ASSERT_VALUES_EQUAL(source, actual2);
         }
 
         UNIT_ASSERT_VALUES_EQUAL("http://ya.ru/\\x17\\n\xAB", EscapeJ<false>("http://ya.ru/\x17\n\xab"));
-        TString s = EscapeJ<false, true>("http://ya.ru/\x17\n\xab\xff"); 
+        TString s = EscapeJ<false, true>("http://ya.ru/\x17\n\xab\xff");
         UNIT_ASSERT_VALUES_EQUAL("http://ya.ru/\\u0017\\n\xAB\\xFF", s);
         UNIT_ASSERT_VALUES_EQUAL("http://ya.ru/\\x17\n\xAB", EscapeJ<false>("http://ya.ru/\x17\n\xab", "\n"));
         UNIT_ASSERT_VALUES_EQUAL("http:\\x2F\\x2Fya.ru\\x2F\\x17\n\xAB'", EscapeJ<false>("http://ya.ru/\x17\n\xab'", "\n'", "/"));
diff --git a/library/cpp/string_utils/url/url.cpp b/library/cpp/string_utils/url/url.cpp
index 3bdf137598..85f4ac5d69 100644
--- a/library/cpp/string_utils/url/url.cpp
+++ b/library/cpp/string_utils/url/url.cpp
@@ -1,11 +1,11 @@
 #include "url.h"
 
-#include <util/string/cast.h> 
-#include <util/string/util.h> 
-#include <util/string/cstriter.h> 
-#include <util/string/ascii.h> 
-#include <util/string/strip.h> 
- 
+#include <util/string/cast.h>
+#include <util/string/util.h>
+#include <util/string/cstriter.h>
+#include <util/string/ascii.h>
+#include <util/string/strip.h>
+
 #include <util/charset/unidata.h> // for ToLower
 #include <util/system/defaults.h>
 #include <util/generic/algorithm.h>
@@ -267,7 +267,7 @@ TStringBuf GetParentDomain(const TStringBuf host, size_t level) noexcept {
     size_t pos = host.size();
     for (size_t i = 0; i < level; ++i) {
         pos = host.rfind('.', pos);
-        if (pos == TString::npos) 
+        if (pos == TString::npos)
             return host;
     }
     return host.SubStr(pos + 1);
@@ -310,7 +310,7 @@ TStringBuf CutMPrefix(const TStringBuf url) noexcept {
     return url;
 }
 
-static inline bool IsSchemeChar(char c) noexcept { 
+static inline bool IsSchemeChar(char c) noexcept {
     return IsAsciiAlnum(c); //what about '+' ?..
 }
 
@@ -322,7 +322,7 @@ static bool HasPrefix(const TStringBuf url) noexcept {
     return AllOf(scheme, IsSchemeChar);
 }
 
-TString AddSchemePrefix(const TString& url) { 
+TString AddSchemePrefix(const TString& url) {
     return AddSchemePrefix(url, TStringBuf("http"));
 }
 
diff --git a/library/cpp/string_utils/url/url.h b/library/cpp/string_utils/url/url.h
index f3ff2491f4..84137ccc57 100644
--- a/library/cpp/string_utils/url/url.h
+++ b/library/cpp/string_utils/url/url.h
@@ -34,7 +34,7 @@ size_t GetHttpPrefixSize(const TStringBuf url, bool ignorehttps = false) noexcep
 Y_PURE_FUNCTION
 size_t GetHttpPrefixSize(const TWtringBuf url, bool ignorehttps = false) noexcept;
 
-/** BEWARE of TStringBuf! You can not use operator ~ or c_str() like in TString 
+/** BEWARE of TStringBuf! You can not use operator ~ or c_str() like in TString
     !!!!!!!!!!!! */
 Y_PURE_FUNCTION
 size_t GetSchemePrefixSize(const TStringBuf url) noexcept;
@@ -61,7 +61,7 @@ TStringBuf CutSchemePrefix(const TStringBuf url) noexcept;
 TString AddSchemePrefix(const TString& url, const TStringBuf scheme);
 
 //! Same as `AddSchemePrefix(url, "http")`.
-TString AddSchemePrefix(const TString& url); 
+TString AddSchemePrefix(const TString& url);
 
 Y_PURE_FUNCTION
 TStringBuf GetHost(const TStringBuf url) noexcept;
diff --git a/library/cpp/string_utils/url/url_ut.cpp b/library/cpp/string_utils/url/url_ut.cpp
index 5c7c4ae6e3..1588013893 100644
--- a/library/cpp/string_utils/url/url_ut.cpp
+++ b/library/cpp/string_utils/url/url_ut.cpp
@@ -1,7 +1,7 @@
 #include "url.h"
 
-#include <util/string/cast.h> 
- 
+#include <util/string/cast.h>
+
 #include <library/cpp/testing/unittest/registar.h>
 
 Y_UNIT_TEST_SUITE(TUtilUrlTest) {
diff --git a/library/cpp/string_utils/url/ut/ya.make b/library/cpp/string_utils/url/ut/ya.make
index 6e60701aaa..0efa30e4d2 100644
--- a/library/cpp/string_utils/url/ut/ya.make
+++ b/library/cpp/string_utils/url/ut/ya.make
@@ -1,9 +1,9 @@
 UNITTEST_FOR(library/cpp/string_utils/url)
- 
-OWNER(g:util) 
- 
-SRCS( 
-    url_ut.cpp 
-) 
- 
-END() 
+
+OWNER(g:util)
+
+SRCS(
+    url_ut.cpp
+)
+
+END()
diff --git a/library/cpp/string_utils/url/ya.make b/library/cpp/string_utils/url/ya.make
index 179dbc062b..b08d69ec83 100644
--- a/library/cpp/string_utils/url/ya.make
+++ b/library/cpp/string_utils/url/ya.make
@@ -1,10 +1,10 @@
-LIBRARY() 
- 
-OWNER(g:util) 
- 
-SRCS( 
-    url.cpp 
-    url.h 
-) 
- 
-END() 
+LIBRARY()
+
+OWNER(g:util)
+
+SRCS(
+    url.cpp
+    url.h
+)
+
+END()
diff --git a/library/cpp/testing/benchmark/bench.cpp b/library/cpp/testing/benchmark/bench.cpp
index 70b9bcaf36..08d8708005 100644
--- a/library/cpp/testing/benchmark/bench.cpp
+++ b/library/cpp/testing/benchmark/bench.cpp
@@ -100,7 +100,7 @@ namespace {
     }
 
     struct THiPerfTimer: public THPTimer {
-        static inline TString FmtTime(double t) { 
+        static inline TString FmtTime(double t) {
             return DoFmtTime(t);
         }
     };
@@ -110,7 +110,7 @@ namespace {
             return (TInstant::Now() - N).MicroSeconds() / 1000000.0;
         }
 
-        static inline TString FmtTime(double t) { 
+        static inline TString FmtTime(double t) {
             return DoFmtTime(t);
         }
 
@@ -122,12 +122,12 @@ namespace {
             return GetCycleCount() - N;
         }
 
-        static inline TString FmtTime(double t) { 
+        static inline TString FmtTime(double t) {
             if (t < 0.5) {
                 t = 0.0;
             }
 
-            TString hr; 
+            TString hr;
             if (t > 10 * 1000) {
                 hr = " (" + ToString(HumanReadableSize(t, ESizeFormat::SF_QUANTITY)) + ")";
             }
@@ -162,7 +162,7 @@ namespace {
     };
 
     using TSample = std::pair<size_t, double>;
-    using TSamples = TVector<TSample>; 
+    using TSamples = TVector<TSample>;
 
     struct TLinFunc {
         double A;
@@ -203,7 +203,7 @@ namespace {
         };
 
         using TSampleWithError = std::pair<const TSample*, double>;
-        TVector<TSampleWithError> v; 
+        TVector<TSampleWithError> v;
 
         v.reserve(s.size());
 
@@ -384,7 +384,7 @@ namespace {
 
     private:
         TAdaptiveLock ResultsLock_;
-        TVector<TResult> Results_; 
+        TVector<TResult> Results_;
     };
 
     class TOrderedReporter: public IReporter {
@@ -544,7 +544,7 @@ namespace {
 
         bool ListTests = false;
         double TimeBudget = -1.0;
-        TVector<THolder<RE2>> Filters; 
+        TVector<THolder<RE2>> Filters;
         size_t Threads = 0;
         EOutFormat OutFormat;
     };
@@ -553,7 +553,7 @@ namespace {
 int NBench::Main(int argc, char** argv) {
     const TProgOpts opts(argc, argv);
 
-    TVector<ITestRunner*> tests; 
+    TVector<ITestRunner*> tests;
 
     for (auto&& it : Tests()) {
         if (opts.MatchFilters(it.Name())) {
diff --git a/library/cpp/testing/benchmark/examples/main.cpp b/library/cpp/testing/benchmark/examples/main.cpp
index 16c467894f..ddd8b05ffc 100644
--- a/library/cpp/testing/benchmark/examples/main.cpp
+++ b/library/cpp/testing/benchmark/examples/main.cpp
@@ -7,7 +7,7 @@
 #include <util/generic/bt_exception.h>
 
 Y_CPU_BENCHMARK(F, iface) {
-    TVector<size_t> x; 
+    TVector<size_t> x;
 
     x.reserve(iface.Iterations());
 
@@ -23,7 +23,7 @@ Y_CPU_BENCHMARK(EmptyF, iface) {
 Y_CPU_BENCHMARK(AlmostEmptyF, iface) {
     (void)iface;
 
-    TVector<size_t> x; 
+    TVector<size_t> x;
     x.resize(1);
 }
 
diff --git a/library/cpp/testing/common/env.cpp b/library/cpp/testing/common/env.cpp
index edd9ab4e88..fa3a47fe16 100644
--- a/library/cpp/testing/common/env.cpp
+++ b/library/cpp/testing/common/env.cpp
@@ -40,7 +40,7 @@ TString BinaryPath(TStringBuf path) {
     return (TFsPath(BuildRoot()) / path).Fix();
 }
 
-TString GetArcadiaTestsData() { 
+TString GetArcadiaTestsData() {
     TString atdRoot = NPrivate::GetTestEnv().ArcadiaTestsDataDir;
     if (atdRoot) {
         return atdRoot;
@@ -49,7 +49,7 @@ TString GetArcadiaTestsData() {
     TString path = NPrivate::GetCwd();
     const char pathsep = GetDirectorySeparator();
     while (!path.empty()) {
-        TString dataDir = path + "/arcadia_tests_data"; 
+        TString dataDir = path + "/arcadia_tests_data";
         if (IsDir(dataDir)) {
             return dataDir;
         }
@@ -64,7 +64,7 @@ TString GetArcadiaTestsData() {
     return {};
 }
 
-TString GetWorkPath() { 
+TString GetWorkPath() {
     TString workPath = NPrivate::GetTestEnv().WorkPath;
     if (workPath) {
         return workPath;
diff --git a/library/cpp/testing/common/env.h b/library/cpp/testing/common/env.h
index f2878c2d26..7b89aa1bed 100644
--- a/library/cpp/testing/common/env.h
+++ b/library/cpp/testing/common/env.h
@@ -3,7 +3,7 @@
 #include <unordered_map>
 
 #include <util/folder/path.h>
-#include <util/generic/string.h> 
+#include <util/generic/string.h>
 #include <util/generic/strbuf.h>
 #include <util/system/src_location.h>
 
diff --git a/library/cpp/testing/gmock_in_unittest/events.cpp b/library/cpp/testing/gmock_in_unittest/events.cpp
index 9169cc3abb..dbd65b727d 100644
--- a/library/cpp/testing/gmock_in_unittest/events.cpp
+++ b/library/cpp/testing/gmock_in_unittest/events.cpp
@@ -3,13 +3,13 @@
 #include <library/cpp/testing/unittest/registar.h>
 
 #include <util/generic/strbuf.h>
-#include <util/generic/string.h> 
+#include <util/generic/string.h>
 #include <util/string/builder.h>
 
 void TGMockTestEventListener::OnTestPartResult(const testing::TestPartResult& result) {
     if (result.failed()) {
-        const TString message = result.message(); 
-        const TString summary = result.summary(); 
+        const TString message = result.message();
+        const TString summary = result.summary();
         TStringBuilder msg;
         if (result.file_name())
             msg << result.file_name() << TStringBuf(":");
diff --git a/library/cpp/testing/gmock_in_unittest/example_ut/example_ut.cpp b/library/cpp/testing/gmock_in_unittest/example_ut/example_ut.cpp
index 7174802c9f..97f19050e4 100644
--- a/library/cpp/testing/gmock_in_unittest/example_ut/example_ut.cpp
+++ b/library/cpp/testing/gmock_in_unittest/example_ut/example_ut.cpp
@@ -2,7 +2,7 @@
 
 #include <library/cpp/testing/unittest/registar.h>
 
-#include <util/generic/string.h> 
+#include <util/generic/string.h>
 
 // Set this variable to true if you want to see failures
 /////////////////////////////////////////////////////////
@@ -16,7 +16,7 @@ public:
 
     virtual void Func1() = 0;
 
-    virtual int Func2(const TString&) const = 0; 
+    virtual int Func2(const TString&) const = 0;
 };
 
 class TTestMock: public ITestIface {
@@ -50,11 +50,11 @@ Y_UNIT_TEST_SUITE(TExampleGMockTest) {
 
     Y_UNIT_TEST(TReturnValuesTest) {
         TTestMock mock;
-        EXPECT_CALL(mock, Func2(TString("1"))) 
+        EXPECT_CALL(mock, Func2(TString("1")))
             .WillOnce(Return(1))
             .WillRepeatedly(Return(42));
 
-        EXPECT_CALL(mock, Func2(TString("hello"))) 
+        EXPECT_CALL(mock, Func2(TString("hello")))
             .WillOnce(Return(-1));
 
         UNIT_ASSERT_VALUES_EQUAL(mock.Func2("hello"), -1);
diff --git a/library/cpp/testing/unittest/checks.cpp b/library/cpp/testing/unittest/checks.cpp
index 0f4b3dae9d..c5712ae9d2 100644
--- a/library/cpp/testing/unittest/checks.cpp
+++ b/library/cpp/testing/unittest/checks.cpp
@@ -1,7 +1,7 @@
 #include <util/generic/string.h>
 #include <util/string/type.h>
 
-bool CheckExceptionMessage(const char* msg, TString& err) { 
+bool CheckExceptionMessage(const char* msg, TString& err) {
     static const char* badMsg[] = {
         // Операция успешно завершена [cp1251]
         "\xce\xef\xe5\xf0\xe0\xf6\xe8\xff\x20\xf3\xf1\xef\xe5\xf8\xed\xee\x20\xe7\xe0\xe2\xe5\xf0\xf8\xe5\xed\xe0",
@@ -22,7 +22,7 @@ bool CheckExceptionMessage(const char* msg, TString& err) {
 
     for (auto& i : badMsg) {
         if (strstr(msg, i) != nullptr) {
-            err = "Invalid error message: " + TString(msg); 
+            err = "Invalid error message: " + TString(msg);
             return false;
         }
     }
diff --git a/library/cpp/testing/unittest/gtest.cpp b/library/cpp/testing/unittest/gtest.cpp
index 6aded3e085..ebad1ea4d6 100644
--- a/library/cpp/testing/unittest/gtest.cpp
+++ b/library/cpp/testing/unittest/gtest.cpp
@@ -8,7 +8,7 @@
 using namespace NUnitTest;
 using namespace NUnitTest::NPrivate;
 
-IGTestFactory::~IGTestFactory() { 
+IGTestFactory::~IGTestFactory() {
 }
 
 namespace {
@@ -18,12 +18,12 @@ namespace {
         {
         }
 
-        TString TypeId() const override { 
+        TString TypeId() const override {
             return TypeName(*this) + "-" + MyName;
         }
 
-        TString Name() const noexcept override { 
-            return TString(MyName); 
+        TString Name() const noexcept override {
+            return TString(MyName);
         }
 
         const TStringBuf MyName;
@@ -35,10 +35,10 @@ namespace {
         {
         }
 
-        ~TGTestFactory() override { 
+        ~TGTestFactory() override {
         }
 
-        TString Name() const noexcept override { 
+        TString Name() const noexcept override {
             return Test.Name();
         }
 
@@ -55,7 +55,7 @@ namespace {
 }
 
 IGTestFactory* NUnitTest::NPrivate::ByName(const char* name) {
-    static TMap<TStringBuf, TAutoPtr<TGTestFactory>> tests; 
+    static TMap<TStringBuf, TAutoPtr<TGTestFactory>> tests;
 
     auto& ret = tests[name];
 
diff --git a/library/cpp/testing/unittest/gtest.h b/library/cpp/testing/unittest/gtest.h
index 15e71cc495..b6768b1bf0 100644
--- a/library/cpp/testing/unittest/gtest.h
+++ b/library/cpp/testing/unittest/gtest.h
@@ -13,7 +13,7 @@
 namespace NUnitTest {
     namespace NPrivate {
         struct IGTestFactory: public ITestBaseFactory {
-            ~IGTestFactory() override; 
+            ~IGTestFactory() override;
 
             virtual void AddTest(const char* name, void (*body)(TTestContext&), bool forceFork) = 0;
         };
@@ -30,7 +30,7 @@ namespace NTesting {
         virtual void TearDown() {
         }
 
-        inline TTest* _This() noexcept { 
+        inline TTest* _This() noexcept {
             return this;
         }
     };
diff --git a/library/cpp/testing/unittest/plugin.cpp b/library/cpp/testing/unittest/plugin.cpp
index 194de77254..543112f7ac 100644
--- a/library/cpp/testing/unittest/plugin.cpp
+++ b/library/cpp/testing/unittest/plugin.cpp
@@ -30,7 +30,7 @@ namespace NUnitTest {
                 }
 
             private:
-                TVector<TSimpleSharedPtr<IPlugin>> Plugins; 
+                TVector<TSimpleSharedPtr<IPlugin>> Plugins;
             };
         } // anonymous namespace
 
diff --git a/library/cpp/testing/unittest/registar.cpp b/library/cpp/testing/unittest/registar.cpp
index 9b75850e97..3679b768ed 100644
--- a/library/cpp/testing/unittest/registar.cpp
+++ b/library/cpp/testing/unittest/registar.cpp
@@ -15,9 +15,9 @@
 bool NUnitTest::ShouldColorizeDiff = true;
 bool NUnitTest::ContinueOnFail = false;
 
-TString NUnitTest::RandomString(size_t len, ui32 seed) { 
+TString NUnitTest::RandomString(size_t len, ui32 seed) {
     TReallyFastRng32 rand(seed);
-    TString ret; 
+    TString ret;
 
     ret.reserve(len);
 
@@ -34,7 +34,7 @@ Y_POD_STATIC_THREAD(NUnitTest::TTestBase*)
 currentTest;
 ::NUnitTest::TRaiseErrorHandler RaiseErrorHandler;
 
-void ::NUnitTest::NPrivate::RaiseError(const char* what, const TString& msg, bool fatalFailure) { 
+void ::NUnitTest::NPrivate::RaiseError(const char* what, const TString& msg, bool fatalFailure) {
     Y_VERIFY(UnittestThread, "%s in non-unittest thread with message:\n%s", what, msg.data());
     Y_VERIFY(GetCurrentTest());
 
@@ -119,7 +119,7 @@ struct TTraceDiffFormatter {
     }
 
     TString Common(TArrayRef<const char> str) const {
-        return TString(str.begin(), str.end()); 
+        return TString(str.begin(), str.end());
     }
 
     TString Left(TArrayRef<const char> str) const {
@@ -135,17 +135,17 @@ struct TTraceDiffFormatter {
     }
 };
 
-TString NUnitTest::GetFormatTag(const char* name) { 
+TString NUnitTest::GetFormatTag(const char* name) {
     return Sprintf("[[%s]]", name);
 }
 
-TString NUnitTest::GetResetTag() { 
-    return TString("[[rst]]"); 
+TString NUnitTest::GetResetTag() {
+    return TString("[[rst]]");
 }
 
-TString NUnitTest::ColoredDiff(TStringBuf s1, TStringBuf s2, const TString& delims, bool reverse) { 
+TString NUnitTest::ColoredDiff(TStringBuf s1, TStringBuf s2, const TString& delims, bool reverse) {
     TStringStream res;
-    TVector<NDiff::TChunk<char>> chunks; 
+    TVector<NDiff::TChunk<char>> chunks;
     NDiff::InlineDiff(chunks, s1, s2, delims);
     if (NUnitTest::ShouldColorizeDiff) {
         NDiff::PrintChunks(res, TDiffColorizer(reverse), chunks);
@@ -160,7 +160,7 @@ static TString MakeTestName(const NUnitTest::ITestSuiteProcessor::TTest& test) {
     return TStringBuilder() << test.unit->name << "::" << test.name;
 }
 
-static size_t CountTests(const TMap<TString, size_t>& testErrors, bool succeeded) { 
+static size_t CountTests(const TMap<TString, size_t>& testErrors, bool succeeded) {
     size_t cnt = 0;
     for (const auto& t : testErrors) {
         if (succeeded && t.second == 0) {
@@ -465,7 +465,7 @@ unsigned NUnitTest::TTestFactory::Execute() {
     Items_.QuickSort(TCmp());
     Processor_->Start();
 
-    TSet<TString> types; 
+    TSet<TString> types;
     size_t cnt = 0;
 
     for (TIntrusiveList<ITestBaseFactory>::TIterator factory = Items_.Begin(); factory != Items_.End(); ++factory) {
diff --git a/library/cpp/testing/unittest/registar.h b/library/cpp/testing/unittest/registar.h
index a02b5ffe90..44517a0092 100644
--- a/library/cpp/testing/unittest/registar.h
+++ b/library/cpp/testing/unittest/registar.h
@@ -27,13 +27,13 @@
 #include <cstdio>
 #include <functional>
 
-extern bool CheckExceptionMessage(const char*, TString&); 
+extern bool CheckExceptionMessage(const char*, TString&);
 
 namespace NUnitTest {
     class TTestBase;
 
     namespace NPrivate {
-        void RaiseError(const char* what, const TString& msg, bool fatalFailure); 
+        void RaiseError(const char* what, const TString& msg, bool fatalFailure);
         void SetUnittestThread(bool);
         void SetCurrentTest(TTestBase*);
         TTestBase* GetCurrentTest();
@@ -41,9 +41,9 @@ namespace NUnitTest {
 
     extern bool ShouldColorizeDiff;
     extern bool ContinueOnFail;
-    TString ColoredDiff(TStringBuf s1, TStringBuf s2, const TString& delims = TString(), bool reverse = false); 
-    TString GetFormatTag(const char* name); 
-    TString GetResetTag(); 
+    TString ColoredDiff(TStringBuf s1, TStringBuf s2, const TString& delims = TString(), bool reverse = false);
+    TString GetFormatTag(const char* name);
+    TString GetResetTag();
 
     // Raise error handler
     // Used for testing library/cpp/testing/unittest macroses
@@ -73,7 +73,7 @@ namespace NUnitTest {
         {
         }
 
-        using TMetrics = THashMap<TString, double>; 
+        using TMetrics = THashMap<TString, double>;
         TMetrics Metrics;
 
         ITestSuiteProcessor* Processor;
@@ -82,7 +82,7 @@ namespace NUnitTest {
     class ITestSuiteProcessor {
     public:
         struct TUnit {
-            const TString name; 
+            const TString name;
         };
 
         struct TTest {
@@ -93,7 +93,7 @@ namespace NUnitTest {
         struct TError {
             const TTest* test;
             const char* msg;
-            TString BackTrace; 
+            TString BackTrace;
             TTestContext* Context;
         };
 
@@ -163,8 +163,8 @@ namespace NUnitTest {
         void AddTestFinish(const TTest& test);
 
     private:
-        TMap<TString, size_t> TestErrors_; 
-        TMap<TString, size_t> CurTestErrors_; 
+        TMap<TString, size_t> TestErrors_;
+        TMap<TString, size_t> CurTestErrors_;
     };
 
     class TTestBase;
@@ -177,7 +177,7 @@ namespace NUnitTest {
         virtual ~ITestBaseFactory();
 
         // name of test suite
-        virtual TString Name() const noexcept = 0; 
+        virtual TString Name() const noexcept = 0;
         virtual TTestBase* ConstructTest() = 0;
 
     private:
@@ -195,7 +195,7 @@ namespace NUnitTest {
 
         virtual TString TypeId() const;
 
-        virtual TString Name() const noexcept = 0; 
+        virtual TString Name() const noexcept = 0;
         virtual void Execute() = 0;
 
         virtual void SetUp();
@@ -431,7 +431,7 @@ public:                       \
         const TString _b(B);                                                                                 \
         if (_a != _b) {                                                                                      \
             auto&& failMsg = Sprintf("%s != %s %s", ToString(_a).data(), ToString(_b).data(), (::TStringBuilder() << C).data()); \
-            UNIT_FAIL_IMPL("strings equal assertion failed", failMsg);                                       \ 
+            UNIT_FAIL_IMPL("strings equal assertion failed", failMsg);                                       \
         }                                                                                                    \
     } while (false)
 
@@ -686,7 +686,7 @@ public:                       \
 
         // helper method to avoid double evaluation of A and B expressions in UNIT_ASSERT_VALUES_EQUAL_C
         template <typename T, typename U>
-        static inline bool CompareAndMakeStrings(const T& a, const U& b, TString& as, TString& asInd, TString& bs, TString& bsInd, bool& usePlainDiff, bool want) { 
+        static inline bool CompareAndMakeStrings(const T& a, const U& b, TString& as, TString& asInd, TString& bs, TString& bsInd, bool& usePlainDiff, bool want) {
             const bool have = CompareEqual(a, b);
             usePlainDiff = std::is_integral<T>::value && std::is_integral<U>::value;
 
@@ -714,10 +714,10 @@ public:                       \
         if (!::NUnitTest::NPrivate::CompareAndMakeStrings(A, B, _as, _asInd, _bs, _bsInd, _usePlainDiff, EQflag)) {                    \
             auto&& failMsg = Sprintf("(%s %s %s) failed: (%s %s %s) %s", #A, EQstr, #B, _as.data(), NEQstr, _bs.data(), (::TStringBuilder() << C).data()); \
             if (EQflag && !_usePlainDiff) {                                                                                            \
-                failMsg += ", with diff:\n";                                                                                           \ 
-                failMsg += ::NUnitTest::ColoredDiff(_asInd, _bsInd);                                                                   \ 
+                failMsg += ", with diff:\n";                                                                                           \
+                failMsg += ::NUnitTest::ColoredDiff(_asInd, _bsInd);                                                                   \
             }                                                                                                                          \
-            UNIT_FAIL_IMPL("assertion failed", failMsg);                                                                               \ 
+            UNIT_FAIL_IMPL("assertion failed", failMsg);                                                                               \
         }                                                                                                                              \
     } while (false)
 
@@ -1024,7 +1024,7 @@ public:                       \
 #define Y_UNIT_TEST_FRIEND(N, T) \
     friend NTestSuite##N::TTestCase##T \
 
-    TString RandomString(size_t len, ui32 seed = 0); 
+    TString RandomString(size_t len, ui32 seed = 0);
 }
 
 using ::NUnitTest::TTestBase;
diff --git a/library/cpp/testing/unittest/tests_data.h b/library/cpp/testing/unittest/tests_data.h
index 14ea88eb7c..6536bc1ae6 100644
--- a/library/cpp/testing/unittest/tests_data.h
+++ b/library/cpp/testing/unittest/tests_data.h
@@ -4,7 +4,7 @@
 
 #include <util/generic/noncopyable.h>
 #include <util/generic/ptr.h>
-#include <util/generic/string.h> 
+#include <util/generic/string.h>
 #include <util/network/sock.h>
 
 class TInet6StreamSocket;
diff --git a/library/cpp/testing/unittest/utmain.cpp b/library/cpp/testing/unittest/utmain.cpp
index b2e9d67690..305bc6b40f 100644
--- a/library/cpp/testing/unittest/utmain.cpp
+++ b/library/cpp/testing/unittest/utmain.cpp
@@ -14,7 +14,7 @@
 #include <util/generic/hash.h>
 #include <util/generic/hash_set.h>
 #include <util/generic/scope.h>
-#include <util/generic/string.h> 
+#include <util/generic/string.h>
 #include <util/generic/yexception.h>
 
 #include <util/network/init.h>
@@ -58,16 +58,16 @@ public:
     inline TTraceWriterProcessor(const char* traceFilePath, EOpenMode mode)
         : PrevTime(TInstant::Now())
     {
-        TraceFile = new TUnbufferedFileOutput(TFile(traceFilePath, mode | WrOnly | Seq)); 
+        TraceFile = new TUnbufferedFileOutput(TFile(traceFilePath, mode | WrOnly | Seq));
     }
 
 private:
-    TAutoPtr<TUnbufferedFileOutput> TraceFile; 
-    TString TraceFilePath; 
+    TAutoPtr<TUnbufferedFileOutput> TraceFile;
+    TString TraceFilePath;
     TInstant PrevTime;
-    TVector<TString> ErrorMessages; 
+    TVector<TString> ErrorMessages;
 
-    inline void Trace(const TString eventName, const NJson::TJsonValue eventValue) { 
+    inline void Trace(const TString eventName, const NJson::TJsonValue eventValue) {
         NJsonWriter::TBuf json(NJsonWriter::HEM_UNSAFE);
         json.BeginObject();
 
@@ -81,7 +81,7 @@ private:
         *TraceFile << "\n";
     }
 
-    inline void TraceSubtestFinished(const char* className, const char* subtestName, const char* status, const TString comment, const TTestContext* context) { 
+    inline void TraceSubtestFinished(const char* className, const char* subtestName, const char* status, const TString comment, const TTestContext* context) {
         const TInstant now = TInstant::Now();
         NJson::TJsonValue event;
         event.InsertValue("class", className);
@@ -97,7 +97,7 @@ private:
         Trace("subtest-finished", event);
 
         PrevTime = now;
-        TString marker = Join("", "\n###subtest-finished:", className, "::", subtestName, "\n"); 
+        TString marker = Join("", "\n###subtest-finished:", className, "::", subtestName, "\n");
         Cout << marker;
         Cout.Flush();
         Cerr << comment;
@@ -105,7 +105,7 @@ private:
         Cerr.Flush();
     }
 
-    virtual TString BuildComment(const char* message, const char* backTrace) { 
+    virtual TString BuildComment(const char* message, const char* backTrace) {
         return NUnitTest::GetFormatTag("bad") +
                TString(message).substr(0, MAX_COMMENT_MESSAGE_LENGTH) +
                NUnitTest::GetResetTag() +
@@ -120,7 +120,7 @@ private:
         event.InsertValue("class", test->unit->name);
         event.InsertValue("subtest", test->name);
         Trace("subtest-started", event);
-        TString marker = Join("", "\n###subtest-started:", test->unit->name, "::", test->name, "\n"); 
+        TString marker = Join("", "\n###subtest-started:", test->unit->name, "::", test->name, "\n");
         Cout << marker;
         Cout.Flush();
         Cerr << marker;
@@ -149,7 +149,7 @@ private:
             TraceSubtestFinished(descr->test->unit->name.data(), descr->test->name, "good", "", descr->Context);
         } else {
             TStringBuilder msgs;
-            for (const TString& m : ErrorMessages) { 
+            for (const TString& m : ErrorMessages) {
                 if (msgs) {
                     msgs << TStringBuf("\n");
                 }
@@ -166,7 +166,7 @@ private:
 
 class TColoredProcessor: public ITestSuiteProcessor, public NColorizer::TColors {
 public:
-    inline TColoredProcessor(const TString& appName) 
+    inline TColoredProcessor(const TString& appName)
         : PrintBeforeSuite_(true)
         , PrintBeforeTest_(true)
         , PrintAfterTest_(true)
@@ -186,30 +186,30 @@ public:
     {
     }
 
-    ~TColoredProcessor() override { 
+    ~TColoredProcessor() override {
     }
 
     inline void Disable(const char* name) {
-        size_t colon = TString(name).find("::"); 
-        if (colon == TString::npos) { 
+        size_t colon = TString(name).find("::");
+        if (colon == TString::npos) {
             DisabledSuites_.insert(name);
         } else {
-            TString suite = TString(name).substr(0, colon); 
+            TString suite = TString(name).substr(0, colon);
             DisabledTests_.insert(name);
         }
     }
 
     inline void Enable(const char* name) {
-        size_t colon = TString(name).rfind("::"); 
-        if (colon == TString::npos) { 
+        size_t colon = TString(name).rfind("::");
+        if (colon == TString::npos) {
             EnabledSuites_.insert(name);
-            EnabledTests_.insert(TString() + name + "::*"); 
+            EnabledTests_.insert(TString() + name + "::*");
         } else {
-            TString suite = TString(name).substr(0, colon); 
+            TString suite = TString(name).substr(0, colon);
             EnabledSuites_.insert(suite);
             EnabledSuites_.insert(name);
             EnabledTests_.insert(name);
-            EnabledTests_.insert(TString() + name + "::*"); 
+            EnabledTests_.insert(TString() + name + "::*");
         }
     }
 
@@ -425,7 +425,7 @@ private:
         }
     }
 
-    bool CheckAccess(TString name, size_t num) override { 
+    bool CheckAccess(TString name, size_t num) override {
         if (num < Start) {
             return false;
         }
@@ -445,8 +445,8 @@ private:
         return EnabledSuites_.find(name.data()) != EnabledSuites_.end();
     }
 
-    bool CheckAccessTest(TString suite, const char* test) override { 
-        TString name = suite + "::" + test; 
+    bool CheckAccessTest(TString suite, const char* test) override {
+        TString name = suite + "::" + test;
         if (DisabledTests_.find(name) != DisabledTests_.end()) {
             return false;
         }
@@ -455,7 +455,7 @@ private:
             return true;
         }
 
-        if (EnabledTests_.find(TString() + suite + "::*") != EnabledTests_.end()) { 
+        if (EnabledTests_.find(TString() + suite + "::*") != EnabledTests_.end()) {
             return true;
         }
 
@@ -467,7 +467,7 @@ private:
             return f();
         }
 
-        TList<TString> args(1, "--is-forked-internal"); 
+        TList<TString> args(1, "--is-forked-internal");
         args.push_back(Sprintf("+%s::%s", suite.data(), name));
 
         // stdin is ignored - unittest should not need them...
@@ -475,12 +475,12 @@ private:
                           TShellCommandOptions().SetUseShell(false).SetCloseAllFdsOnExec(true).SetAsync(false).SetLatency(1));
         cmd.Run();
 
-        const TString& err = cmd.GetError(); 
+        const TString& err = cmd.GetError();
         const size_t msgIndex = err.find(ForkCorrectExitMsg);
 
         // everything is printed by parent process except test's result output ("good" or "fail")
         // which is printed by child. If there was no output - parent process prints default message.
-        ForkExitedCorrectly = msgIndex != TString::npos; 
+        ForkExitedCorrectly = msgIndex != TString::npos;
 
         // TODO: stderr output is always printed after stdout
         Cout.Write(cmd.GetOutput());
@@ -517,16 +517,16 @@ private:
     bool PrintAfterSuite_;
     bool PrintTimes_;
     bool PrintSummary_;
-    THashSet<TString> DisabledSuites_; 
-    THashSet<TString> EnabledSuites_; 
-    THashSet<TString> DisabledTests_; 
-    THashSet<TString> EnabledTests_; 
+    THashSet<TString> DisabledSuites_;
+    THashSet<TString> EnabledSuites_;
+    THashSet<TString> DisabledTests_;
+    THashSet<TString> EnabledTests_;
     TInstant PrevTime_;
     bool ShowFails;
-    TVector<TString> Fails; 
+    TVector<TString> Fails;
     size_t Start;
     size_t End;
-    TString AppName; 
+    TString AppName;
     bool ForkTests;
     bool IsForked;
     bool Loop;
@@ -545,10 +545,10 @@ public:
     {
     }
 
-    ~TEnumeratingProcessor() override { 
+    ~TEnumeratingProcessor() override {
     }
 
-    bool CheckAccess(TString name, size_t /*num*/) override { 
+    bool CheckAccess(TString name, size_t /*num*/) override {
         if (Verbose_) {
             return true;
         } else {
@@ -557,7 +557,7 @@ public:
         }
     }
 
-    bool CheckAccessTest(TString suite, const char* name) override { 
+    bool CheckAccessTest(TString suite, const char* name) override {
         Stream_ << suite << "::" << name << "\n";
         return false;
     }
@@ -732,7 +732,7 @@ int NUnitTest::RunMain(int argc, char** argv) {
                     TString param(argv[i]);
                     size_t assign = param.find('=');
                     Singleton<::NPrivate::TTestEnv>()->AddTestParam(param.substr(0, assign), param.substr(assign + 1));
-                } else if (TString(name).StartsWith("--")) { 
+                } else if (TString(name).StartsWith("--")) {
                     return DoUsage(argv[0]), 1;
                 } else if (*name == '-') {
                     processor.Disable(name + 1);
diff --git a/library/cpp/threading/future/perf/main.cpp b/library/cpp/threading/future/perf/main.cpp
index 17a2965498..5a0690af47 100644
--- a/library/cpp/threading/future/perf/main.cpp
+++ b/library/cpp/threading/future/perf/main.cpp
@@ -1,7 +1,7 @@
 #include <library/cpp/testing/benchmark/bench.h>
 #include <library/cpp/threading/future/future.h>
 
-#include <util/generic/string.h> 
+#include <util/generic/string.h>
 #include <util/generic/xrange.h>
 
 using namespace NThreading;
@@ -38,7 +38,7 @@ Y_CPU_BENCHMARK(AllocPromiseUI64, iface) {
 }
 
 Y_CPU_BENCHMARK(AllocPromiseStroka, iface) {
-    TestAllocPromise<TString>(iface); 
+    TestAllocPromise<TString>(iface);
 }
 
 Y_CPU_BENCHMARK(SetPromiseUI64, iface) {
@@ -46,5 +46,5 @@ Y_CPU_BENCHMARK(SetPromiseUI64, iface) {
 }
 
 Y_CPU_BENCHMARK(SetPromiseStroka, iface) {
-    TestSetPromise<TString>(iface, "test test test"); 
+    TestSetPromise<TString>(iface, "test test test");
 }
diff --git a/library/cpp/threading/poor_man_openmp/thread_helper_ut.cpp b/library/cpp/threading/poor_man_openmp/thread_helper_ut.cpp
index f842d98ca2..7417636864 100644
--- a/library/cpp/threading/poor_man_openmp/thread_helper_ut.cpp
+++ b/library/cpp/threading/poor_man_openmp/thread_helper_ut.cpp
@@ -2,7 +2,7 @@
 
 #include <library/cpp/testing/unittest/registar.h>
 
-#include <util/generic/string.h> 
+#include <util/generic/string.h>
 #include <util/generic/yexception.h>
 
 Y_UNIT_TEST_SUITE(TestMP) {
@@ -13,7 +13,7 @@ Y_UNIT_TEST_SUITE(TestMP) {
             }
         };
 
-        TString s; 
+        TString s;
 
         try {
             NYmp::ParallelForStaticAutoChunk(0, 10, f);
diff --git a/library/cpp/threading/queue/basic_ut.cpp b/library/cpp/threading/queue/basic_ut.cpp
index f6b8d0f810..5f56f8583e 100644
--- a/library/cpp/threading/queue/basic_ut.cpp
+++ b/library/cpp/threading/queue/basic_ut.cpp
@@ -4,10 +4,10 @@
 
 #include "ut_helpers.h"
 
-template <typename TQueueType> 
+template <typename TQueueType>
 class TQueueTestsInSingleThread: public TTestBase {
 private:
-    using TSelf = TQueueTestsInSingleThread<TQueueType>; 
+    using TSelf = TQueueTestsInSingleThread<TQueueType>;
     using TLink = TIntrusiveLink;
 
     UNIT_TEST_SUITE_DEMANGLE(TSelf);
@@ -18,7 +18,7 @@ private:
 
 public:
     void OnePushOnePop() {
-        TQueueType queue; 
+        TQueueType queue;
 
         auto popped = queue.Pop();
         UNIT_ASSERT_VALUES_EQUAL(popped, nullptr);
@@ -33,7 +33,7 @@ public:
     };
 
     void OnePushOnePop_Repeat1M() {
-        TQueueType queue; 
+        TQueueType queue;
         TLink msg;
 
         auto popped = queue.Pop();
@@ -54,7 +54,7 @@ public:
         class TCycleThread: public ISimpleThread {
         public:
             void* ThreadProc() override {
-                TQueueType queue; 
+                TQueueType queue;
                 TLink msg;
                 auto popped = queue.Pop();
                 UNIT_ASSERT_VALUES_EQUAL(popped, nullptr);
@@ -71,7 +71,7 @@ public:
             }
         };
 
-        TVector<TAutoPtr<TCycleThread>> cyclers; 
+        TVector<TAutoPtr<TCycleThread>> cyclers;
 
         for (size_t i = 0; i < NUMBER_OF_THREADS; ++i) {
             cyclers.emplace_back(new TCycleThread);
diff --git a/library/cpp/threading/queue/mpsc_read_as_filled.h b/library/cpp/threading/queue/mpsc_read_as_filled.h
index de8f596833..be33ba5a58 100644
--- a/library/cpp/threading/queue/mpsc_read_as_filled.h
+++ b/library/cpp/threading/queue/mpsc_read_as_filled.h
@@ -544,7 +544,7 @@ namespace NThreading {
             using TBunchBase = TEmpty;
 
             template <typename TElem, typename... TRest>
-            using TContainer = TDeque<TElem, TRest...>; 
+            using TContainer = TDeque<TElem, TRest...>;
 
             static constexpr bool DeleteItems = true;
         };
diff --git a/library/cpp/threading/queue/queue_ut.cpp b/library/cpp/threading/queue/queue_ut.cpp
index 299025adcc..80eca147da 100644
--- a/library/cpp/threading/queue/queue_ut.cpp
+++ b/library/cpp/threading/queue/queue_ut.cpp
@@ -5,10 +5,10 @@
 
 typedef void* TMsgLink;
 
-template <typename TQueueType> 
+template <typename TQueueType>
 class TQueueTestProcs: public TTestBase {
 private:
-    UNIT_TEST_SUITE_DEMANGLE(TQueueTestProcs<TQueueType>); 
+    UNIT_TEST_SUITE_DEMANGLE(TQueueTestProcs<TQueueType>);
     UNIT_TEST(Threads2_Push1M_Threads1_Pop2M)
     UNIT_TEST(Threads4_Push1M_Threads1_Pop4M)
     UNIT_TEST(Threads8_RndPush100K_Threads8_Queues)
@@ -21,7 +21,7 @@ private:
 
 public:
     void Push1M_Pop1M() {
-        TQueueType queue; 
+        TQueueType queue;
         TMsgLink msg = &queue;
 
         auto pmsg = queue.Pop();
@@ -41,17 +41,17 @@ public:
     }
 
     void Threads2_Push1M_Threads1_Pop2M() {
-        TQueueType queue; 
+        TQueueType queue;
 
         class TPusherThread: public ISimpleThread {
         public:
-            TPusherThread(TQueueType& theQueue, char* start) 
-                : Queue(theQueue) 
+            TPusherThread(TQueueType& theQueue, char* start)
+                : Queue(theQueue)
                 , Arg(start)
             {
             }
 
-            TQueueType& Queue; 
+            TQueueType& Queue;
             char* Arg;
 
             void* ThreadProc() override {
@@ -79,17 +79,17 @@ public:
     }
 
     void Threads4_Push1M_Threads1_Pop4M() {
-        TQueueType queue; 
+        TQueueType queue;
 
         class TPusherThread: public ISimpleThread {
         public:
-            TPusherThread(TQueueType& theQueue, char* start) 
-                : Queue(theQueue) 
+            TPusherThread(TQueueType& theQueue, char* start)
+                : Queue(theQueue)
                 , Arg(start)
             {
             }
 
-            TQueueType& Queue; 
+            TQueueType& Queue;
             char* Arg;
 
             void* ThreadProc() override {
@@ -122,17 +122,17 @@ public:
 
     template <size_t NUMBER_OF_PUSHERS, size_t NUMBER_OF_QUEUES>
     void ManyRndPush100K_ManyQueues() {
-        TQueueType queue[NUMBER_OF_QUEUES]; 
+        TQueueType queue[NUMBER_OF_QUEUES];
 
         class TPusherThread: public ISimpleThread {
         public:
-            TPusherThread(TQueueType* queues, char* start) 
+            TPusherThread(TQueueType* queues, char* start)
                 : Queues(queues)
                 , Arg(start)
             {
             }
 
-            TQueueType* Queues; 
+            TQueueType* Queues;
             char* Arg;
 
             void* ThreadProc() override {
@@ -157,13 +157,13 @@ public:
 
         class TPopperThread: public ISimpleThread {
         public:
-            TPopperThread(TQueueType* theQueue, char* base) 
-                : Queue(theQueue) 
+            TPopperThread(TQueueType* theQueue, char* base)
+                : Queue(theQueue)
                 , Base(base)
             {
             }
 
-            TQueueType* Queue; 
+            TQueueType* Queue;
             char* Base;
 
             void* ThreadProc() override {
@@ -197,8 +197,8 @@ public:
             }
         };
 
-        TVector<TAutoPtr<TPopperThread>> poppers; 
-        TVector<TAutoPtr<TPusherThread>> pushers; 
+        TVector<TAutoPtr<TPopperThread>> poppers;
+        TVector<TAutoPtr<TPusherThread>> pushers;
 
         for (size_t i = 0; i < NUMBER_OF_QUEUES; ++i) {
             poppers.emplace_back(new TPopperThread(&queue[i], (char*)&queue));
diff --git a/library/cpp/threading/queue/unordered_ut.cpp b/library/cpp/threading/queue/unordered_ut.cpp
index 494cffcbe5..a43b7f520e 100644
--- a/library/cpp/threading/queue/unordered_ut.cpp
+++ b/library/cpp/threading/queue/unordered_ut.cpp
@@ -6,19 +6,19 @@
 
 #include "ut_helpers.h"
 
-template <typename TQueueType> 
+template <typename TQueueType>
 class TTestUnorderedQueue: public TTestBase {
 private:
     using TLink = TIntrusiveLink;
 
-    UNIT_TEST_SUITE_DEMANGLE(TTestUnorderedQueue<TQueueType>); 
+    UNIT_TEST_SUITE_DEMANGLE(TTestUnorderedQueue<TQueueType>);
     UNIT_TEST(Push1M_Pop1M_Unordered)
     UNIT_TEST_SUITE_END();
 
 public:
     void Push1M_Pop1M_Unordered() {
         constexpr int REPEAT = 1000000;
-        TQueueType queue; 
+        TQueueType queue;
         TLink msg[REPEAT];
 
         auto pmsg = queue.Pop();
@@ -28,7 +28,7 @@ public:
             queue.Push(&msg[i]);
         }
 
-        TVector<TLink*> popped; 
+        TVector<TLink*> popped;
         popped.reserve(REPEAT);
         for (int i = 0; i < REPEAT; ++i) {
             popped.push_back((TLink*)queue.Pop());
@@ -44,17 +44,17 @@ public:
     }
 };
 
-template <typename TQueueType> 
+template <typename TQueueType>
 class TTestWeakQueue: public TTestBase {
 private:
-    UNIT_TEST_SUITE_DEMANGLE(TTestWeakQueue<TQueueType>); 
+    UNIT_TEST_SUITE_DEMANGLE(TTestWeakQueue<TQueueType>);
     UNIT_TEST(Threads8_Rnd_Exchange)
     UNIT_TEST_SUITE_END();
 
 public:
     template <ui16 COUNT = 48, ui32 MSG_COUNT = 10000>
     void ManyThreadsRndExchange() {
-        TQueueType queues[COUNT]; 
+        TQueueType queues[COUNT];
 
         class TWorker: public ISimpleThread {
         public:
@@ -68,9 +68,9 @@ public:
             {
             }
 
-            TQueueType* Queues; 
+            TQueueType* Queues;
             ui16 MineQueue;
-            TVector<uintptr_t> Received; 
+            TVector<uintptr_t> Received;
             TAtomic* PushDone;
 
             void* ThreadProc() override {
@@ -120,7 +120,7 @@ public:
             }
         };
 
-        TVector<TAutoPtr<TWorker>> workers; 
+        TVector<TAutoPtr<TWorker>> workers;
         TAtomic pushDone = 0;
 
         for (ui32 i = 0; i < COUNT; ++i) {
@@ -128,7 +128,7 @@ public:
             workers.back()->Start();
         }
 
-        TVector<uintptr_t> all; 
+        TVector<uintptr_t> all;
         for (ui32 i = 0; i < COUNT; ++i) {
             workers[i]->Join();
             all.insert(all.begin(),
diff --git a/library/cpp/threading/task_scheduler/task_scheduler.cpp b/library/cpp/threading/task_scheduler/task_scheduler.cpp
index 4e2239c2d7..174dde4bf7 100644
--- a/library/cpp/threading/task_scheduler/task_scheduler.cpp
+++ b/library/cpp/threading/task_scheduler/task_scheduler.cpp
@@ -18,8 +18,8 @@ public:
     {
     }
 
-    TString DebugState = "?"; 
-    TString DebugId = ""; 
+    TString DebugState = "?";
+    TString DebugId = "";
 private:
     void* ThreadProc() noexcept override {
         Scheduler_.WorkerFunc(this);
@@ -150,7 +150,7 @@ bool TTaskScheduler::Add(IRepeatedTaskRef task, TDuration period) {
 
 const bool debugOutput = false;
 
-void TTaskScheduler::ChangeDebugState(TWorkerThread* thread, const TString& state) { 
+void TTaskScheduler::ChangeDebugState(TWorkerThread* thread, const TString& state) {
     if (!debugOutput) {
         Y_UNUSED(thread);
         Y_UNUSED(state);
diff --git a/library/cpp/threading/task_scheduler/task_scheduler.h b/library/cpp/threading/task_scheduler/task_scheduler.h
index e2381c2b38..df4da941a8 100644
--- a/library/cpp/threading/task_scheduler/task_scheduler.h
+++ b/library/cpp/threading/task_scheduler/task_scheduler.h
@@ -40,10 +40,10 @@ private:
         TWorkerThread* WaitingWorker = nullptr;
     };
 
-    using TQueueType = TMultiMap<TInstant, TTaskHolder>; 
-    using TQueueIterator = TQueueType::iterator; 
+    using TQueueType = TMultiMap<TInstant, TTaskHolder>;
+    using TQueueIterator = TQueueType::iterator;
 private:
-    void ChangeDebugState(TWorkerThread* thread, const TString& state); 
+    void ChangeDebugState(TWorkerThread* thread, const TString& state);
     void ChooseFromQueue(TQueueIterator& toWait);
     bool Wait(TWorkerThread* thread, TQueueIterator& toWait);
 
@@ -52,12 +52,12 @@ private:
     bool IsStopped_ = false;
 
     TAtomic TaskCounter_ = 0;
-    TQueueType Queue_; 
+    TQueueType Queue_;
 
     TCondVar CondVar_;
     TMutex Lock_;
 
-    TVector<TAutoPtr<TWorkerThread>> Workers_; 
+    TVector<TAutoPtr<TWorkerThread>> Workers_;
 
     const size_t MaxTaskCount_;
 };
diff --git a/library/cpp/timezone_conversion/convert.cpp b/library/cpp/timezone_conversion/convert.cpp
index 4a690b6191..490bb4e270 100644
--- a/library/cpp/timezone_conversion/convert.cpp
+++ b/library/cpp/timezone_conversion/convert.cpp
@@ -53,7 +53,7 @@ namespace NDatetime {
     }
 
     /*
-    TTimeZone GetTimeZone(const TString& name) { 
+    TTimeZone GetTimeZone(const TString& name) {
         TTimeZone result;
         if (!cctz::load_time_zone(name, &result)) {
             ythrow yexception() << "Failed to load time zone " << name << ", " << result.name();
diff --git a/library/cpp/unicode/normalization/normalization.h b/library/cpp/unicode/normalization/normalization.h
index bce2759dc1..4f5f57881c 100644
--- a/library/cpp/unicode/normalization/normalization.h
+++ b/library/cpp/unicode/normalization/normalization.h
@@ -127,7 +127,7 @@ namespace NUnicode {
         };
 
         typedef std::pair<wchar32, TCombining> TSymbol;
-        typedef TVector<TSymbol> TBuffer; 
+        typedef TVector<TSymbol> TBuffer;
 
         template <bool doCompose>
         class TCompositor;
diff --git a/library/cpp/unicode/normalization/ut/normalization_ut.cpp b/library/cpp/unicode/normalization/ut/normalization_ut.cpp
index dbccd0810d..54d4940a26 100644
--- a/library/cpp/unicode/normalization/ut/normalization_ut.cpp
+++ b/library/cpp/unicode/normalization/ut/normalization_ut.cpp
@@ -8,8 +8,8 @@ Y_UNIT_TEST_SUITE(TUnicodeNormalizationTest) {
     template <NUnicode::ENormalization NormType>
     void TestInit() {
         NUnicode::TNormalizer<NormType> normalizer;
-        TString s("упячка detected"); 
-        TUtf16String w; 
+        TString s("упячка detected");
+        TUtf16String w;
         UTF8ToWide(s, w);
         normalizer.Normalize(w);
     }
diff --git a/library/cpp/unicode/punycode/punycode.cpp b/library/cpp/unicode/punycode/punycode.cpp
index 4a8993a95b..800d1f19fe 100644
--- a/library/cpp/unicode/punycode/punycode.cpp
+++ b/library/cpp/unicode/punycode/punycode.cpp
@@ -39,7 +39,7 @@ static inline void AppendUtf32ToWide(const ui32* in, size_t len, TUtf16String& o
     }
 }
 
-TStringBuf WideToPunycode(const TWtringBuf& in16, TString& out) { 
+TStringBuf WideToPunycode(const TWtringBuf& in16, TString& out) {
     TVector<ui32> in32;
     AppendWideToUtf32(in16, in32);
     size_t outlen = in32.size();
@@ -57,7 +57,7 @@ TStringBuf WideToPunycode(const TWtringBuf& in16, TString& out) {
     return out;
 }
 
-TWtringBuf PunycodeToWide(const TStringBuf& in, TUtf16String& out16) { 
+TWtringBuf PunycodeToWide(const TStringBuf& in, TUtf16String& out16) {
     size_t outlen = in.size();
     TVector<ui32> out32(outlen);
 
@@ -79,7 +79,7 @@ namespace {
     };
 }
 
-TString HostNameToPunycode(const TWtringBuf& unicodeHost) { 
+TString HostNameToPunycode(const TWtringBuf& unicodeHost) {
     TVector<ui32> in32;
     AppendWideToUtf32(unicodeHost, in32);
     in32.push_back(0);
@@ -91,7 +91,7 @@ TString HostNameToPunycode(const TWtringBuf& unicodeHost) {
     return out.Data;
 }
 
-TUtf16String PunycodeToHostName(const TStringBuf& punycodeHost) { 
+TUtf16String PunycodeToHostName(const TStringBuf& punycodeHost) {
     if (!IsStringASCII(punycodeHost.begin(), punycodeHost.end()))
         ythrow TPunycodeError() << "Non-ASCII punycode input";
 
@@ -105,12 +105,12 @@ TUtf16String PunycodeToHostName(const TStringBuf& punycodeHost) {
     int rc = idna_to_unicode_4z4z(in32.begin(), &out.Data, 0);
     CheckIdnaResult(rc);
 
-    TUtf16String decoded; 
+    TUtf16String decoded;
     AppendUtf32ToWide(out.Data, std::char_traits<ui32>::length(out.Data), decoded);
     return decoded;
 }
 
-TString ForceHostNameToPunycode(const TWtringBuf& unicodeHost) { 
+TString ForceHostNameToPunycode(const TWtringBuf& unicodeHost) {
     try {
         return HostNameToPunycode(unicodeHost);
     } catch (const TPunycodeError&) {
@@ -118,7 +118,7 @@ TString ForceHostNameToPunycode(const TWtringBuf& unicodeHost) {
     }
 }
 
-TUtf16String ForcePunycodeToHostName(const TStringBuf& punycodeHost) { 
+TUtf16String ForcePunycodeToHostName(const TStringBuf& punycodeHost) {
     try {
         return PunycodeToHostName(punycodeHost);
     } catch (const TPunycodeError&) {
diff --git a/library/cpp/unicode/punycode/punycode.h b/library/cpp/unicode/punycode/punycode.h
index 868e473253..af4acc25c1 100644
--- a/library/cpp/unicode/punycode/punycode.h
+++ b/library/cpp/unicode/punycode/punycode.h
@@ -1,6 +1,6 @@
 #pragma once
 
-#include <util/generic/string.h> 
+#include <util/generic/string.h>
 #include <util/generic/strbuf.h>
 #include <util/generic/yexception.h>
 
@@ -9,17 +9,17 @@
 // Raw strings encoder/decoder: does not prepend with ACE prefix ("xn--"),
 // does not limit input length. Throws TPunycodeError on any internal error.
 // Returned strbuf points to @out data.
-TStringBuf WideToPunycode(const TWtringBuf& in, TString& out); 
-TWtringBuf PunycodeToWide(const TStringBuf& in, TUtf16String& out); 
+TStringBuf WideToPunycode(const TWtringBuf& in, TString& out);
+TWtringBuf PunycodeToWide(const TStringBuf& in, TUtf16String& out);
 
-inline TString WideToPunycode(const TWtringBuf& in) { 
-    TString out; 
+inline TString WideToPunycode(const TWtringBuf& in) {
+    TString out;
     WideToPunycode(in, out);
     return out;
 }
 
-inline TUtf16String PunycodeToWide(const TStringBuf& in) { 
-    TUtf16String out; 
+inline TUtf16String PunycodeToWide(const TStringBuf& in) {
+    TUtf16String out;
     PunycodeToWide(in, out);
     return out;
 }
@@ -29,12 +29,12 @@ inline TUtf16String PunycodeToWide(const TStringBuf& in) {
 // Labels containing non-ASCII characters are prefixed with ACE prefix ("xn--").
 // Limits maximal encoded domain label length to IDNA_LABEL_MAX_LENGTH (255 by default).
 // Throws TPunycodeError on failure.
-TString HostNameToPunycode(const TWtringBuf& unicodeHost); 
-TUtf16String PunycodeToHostName(const TStringBuf& punycodeHost); 
+TString HostNameToPunycode(const TWtringBuf& unicodeHost);
+TUtf16String PunycodeToHostName(const TStringBuf& punycodeHost);
 
 // Robust versions: on failure return original input, converted to/from UTF8
-TString ForceHostNameToPunycode(const TWtringBuf& unicodeHost); 
-TUtf16String ForcePunycodeToHostName(const TStringBuf& punycodeHost); 
+TString ForceHostNameToPunycode(const TWtringBuf& unicodeHost);
+TUtf16String ForcePunycodeToHostName(const TStringBuf& punycodeHost);
 
 // True if @host looks like punycode domain label sequence,
 // containing at least one ACE-prefixed label.
diff --git a/library/cpp/unicode/punycode/punycode_ut.cpp b/library/cpp/unicode/punycode/punycode_ut.cpp
index bb192169d7..97271cf0d8 100644
--- a/library/cpp/unicode/punycode/punycode_ut.cpp
+++ b/library/cpp/unicode/punycode/punycode_ut.cpp
@@ -11,10 +11,10 @@ namespace {
 }
 
 Y_UNIT_TEST_SUITE(TPunycodeTest) {
-    static bool TestRaw(const TString& utf8, const TString& punycode) { 
-        TUtf16String unicode = UTF8ToWide(utf8); 
-        TString buf1; 
-        TUtf16String buf2; 
+    static bool TestRaw(const TString& utf8, const TString& punycode) {
+        TUtf16String unicode = UTF8ToWide(utf8);
+        TString buf1;
+        TUtf16String buf2;
         return HasSameBuffer(WideToPunycode(unicode, buf1), buf1) && buf1 == punycode && HasSameBuffer(PunycodeToWide(punycode, buf2), buf2) && buf2 == unicode && WideToPunycode(unicode) == punycode && PunycodeToWide(punycode) == unicode;
     }
 
@@ -48,25 +48,25 @@ Y_UNIT_TEST_SUITE(TPunycodeTest) {
         UNIT_ASSERT_EXCEPTION(PunycodeToWide("-"), TPunycodeError);
 
         {
-            TString longIn; 
+            TString longIn;
             for (size_t i = 0; i < 1024; ++i)
                 longIn += "Qй";
 
-            TString longOut = "QQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQ-lo11fbabbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb"; 
+            TString longOut = "QQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQ-lo11fbabbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb";
             UNIT_ASSERT(TestRaw(longIn, longOut));
         }
     }
 
-    static bool TestHostName(const TString& utf8, const TString& punycode, bool canBePunycode = false) { 
-        TUtf16String unicode = UTF8ToWide(utf8); 
-        TString buf1; 
-        TUtf16String buf2; 
+    static bool TestHostName(const TString& utf8, const TString& punycode, bool canBePunycode = false) {
+        TUtf16String unicode = UTF8ToWide(utf8);
+        TString buf1;
+        TUtf16String buf2;
         //Cerr << "Testing " << utf8 << Endl;
         return HostNameToPunycode(unicode) == punycode && HostNameToPunycode(UTF8ToWide(punycode)) == punycode // repeated encoding should give same result
                && PunycodeToHostName(punycode) == unicode && CanBePunycodeHostName(punycode) == canBePunycode;
     }
 
-    static bool TestForced(const TString& bad) { 
+    static bool TestForced(const TString& bad) {
         return ForceHostNameToPunycode(UTF8ToWide(bad)) == bad && ForcePunycodeToHostName(bad) == UTF8ToWide(bad);
     }
 
@@ -89,25 +89,25 @@ Y_UNIT_TEST_SUITE(TPunycodeTest) {
 
         {
             // non-ascii
-            TString bad = "президент.рф"; 
+            TString bad = "президент.рф";
             UNIT_ASSERT_EXCEPTION(PunycodeToHostName("президент.рф"), TPunycodeError);
             UNIT_ASSERT(ForcePunycodeToHostName(bad) == UTF8ToWide(bad));
         }
         {
             // too long domain label
-            TString bad(500, 'a'); 
+            TString bad(500, 'a');
             UNIT_ASSERT_EXCEPTION(HostNameToPunycode(UTF8ToWide(bad)), TPunycodeError);
             UNIT_ASSERT(TestForced(bad)); // but can decode it
         }
         {
             // already has ACE prefix
-            TString bad("xn--яндекс.xn--рф"); 
+            TString bad("xn--яндекс.xn--рф");
             UNIT_ASSERT_EXCEPTION(HostNameToPunycode(UTF8ToWide(bad)), TPunycodeError);
             UNIT_ASSERT(TestForced(bad));
         }
         {
             // empty non-root domain is not allowed (?)
-            TString bad(".яндекс.рф"); 
+            TString bad(".яндекс.рф");
             UNIT_ASSERT_EXCEPTION(HostNameToPunycode(UTF8ToWide(bad)), TPunycodeError);
             UNIT_ASSERT(TestForced(bad));
         }
diff --git a/library/cpp/uri/other.h b/library/cpp/uri/other.h
index c2f5ec794e..7aec22e77b 100644
--- a/library/cpp/uri/other.h
+++ b/library/cpp/uri/other.h
@@ -1,6 +1,6 @@
 #pragma once
 
-#include <util/generic/string.h> 
+#include <util/generic/string.h>
 
 // Some functions for inverted url representation
 // No scheme cut-off, no 80th port normalization
@@ -14,7 +14,7 @@ void UnTrspChars(const char* s, char* d);
 
 void InvertDomain(char* begin, char* end);
 
-inline TString& InvertDomain(TString& url) { 
+inline TString& InvertDomain(TString& url) {
     InvertDomain(url.begin(), url.begin() + url.size());
     return url;
 }
@@ -25,7 +25,7 @@ inline void InvertUrl(char* url) {
     InvertUrl(url, url + strlen(url));
 }
 
-inline TString& InvertUrl(TString& url) { 
+inline TString& InvertUrl(TString& url) {
     InvertUrl(url.begin(), url.begin() + url.size());
     return url;
 }
@@ -36,7 +36,7 @@ inline void RevertUrl(char* url) {
     RevertUrl(url, url + strlen(url));
 }
 
-inline TString& RevertUrl(TString& url) { 
+inline TString& RevertUrl(TString& url) {
     RevertUrl(url.begin(), url.begin() + url.size());
     return url;
 }
diff --git a/library/cpp/uri/uri.h b/library/cpp/uri/uri.h
index c8d0828572..3b6c19fe4a 100644
--- a/library/cpp/uri/uri.h
+++ b/library/cpp/uri/uri.h
@@ -7,7 +7,7 @@
 #include <util/generic/buffer.h>
 #include <util/generic/ptr.h>
 #include <util/generic/singleton.h>
-#include <util/generic/string.h> 
+#include <util/generic/string.h>
 #include <util/memory/alloc.h>
 #include <util/stream/mem.h>
 #include <util/stream/output.h>
diff --git a/library/cpp/uri/uri_ut.h b/library/cpp/uri/uri_ut.h
index 2089edf7bf..f8ac6e4092 100644
--- a/library/cpp/uri/uri_ut.h
+++ b/library/cpp/uri/uri_ut.h
@@ -22,7 +22,7 @@ namespace NUri {
 }
 
 #define URL_MSG(url1, url2, cmp) \
-    (TString("[") + url1.PrintS() + ("] " cmp " [") + url2.PrintS() + "]") 
+    (TString("[") + url1.PrintS() + ("] " cmp " [") + url2.PrintS() + "]")
 #define URL_EQ(url1, url2) \
     UNIT_ASSERT_EQUAL_C(url, url2, URL_MSG(url1, url2, "!="))
 #define URL_NEQ(url1, url2) \
diff --git a/library/cpp/uri/ut/ya.make b/library/cpp/uri/ut/ya.make
index 51a7ebf1b2..b2b2c1291a 100644
--- a/library/cpp/uri/ut/ya.make
+++ b/library/cpp/uri/ut/ya.make
@@ -4,7 +4,7 @@ OWNER(leo)
 
 NO_OPTIMIZE()
 
-NO_WSHADOW() 
+NO_WSHADOW()
 
 PEERDIR(
     library/cpp/html/entity
diff --git a/library/cpp/xml/document/README b/library/cpp/xml/document/README
index 164d3a1c9c..b2649523d8 100644
--- a/library/cpp/xml/document/README
+++ b/library/cpp/xml/document/README
@@ -16,9 +16,9 @@ The standard way to use it is as follows:
         using namespace NXml;
         TConstNode& node = nodes[i];
         // query node
-        TString name = node.Name(); 
-        TString lang = node.Attr<TString>("lang"); 
-        TString text = node.Value<TString>(); 
+        TString name = node.Name();
+        TString lang = node.Attr<TString>("lang");
+        TString text = node.Value<TString>();
         TConstNode child = node.GetFirstChild("");
         // edit node
         TNode node = child.ConstCast();
@@ -34,9 +34,9 @@ The standard way to use it is as follows:
     // copy node's subtree from one document to another
     place.AddChild(xml.Root());
     // save (render) single element
-    TString modifiedNode = place.ToString(); 
+    TString modifiedNode = place.ToString();
     // save whole document with optional encoding
-    TString modifiedDoc  = xml2.ToString("ISO-8559-1"); 
+    TString modifiedDoc  = xml2.ToString("ISO-8559-1");
 
 
 See xml-document_ut.cpp for more examples.
diff --git a/library/cpp/xml/document/node-attr.h b/library/cpp/xml/document/node-attr.h
index 6321fcb267..6e74403943 100644
--- a/library/cpp/xml/document/node-attr.h
+++ b/library/cpp/xml/document/node-attr.h
@@ -28,7 +28,7 @@ namespace NXml {
 
     template <>
     inline void TNode::AttrInternal(TCharPtr& value, TString& res, TStringBuf /*errContext*/) const {
-        TString tmp(CAST2CHAR(value.Get())); 
+        TString tmp(CAST2CHAR(value.Get()));
         res.swap(tmp);
     }
 
diff --git a/library/cpp/xml/document/xml-document-decl.h b/library/cpp/xml/document/xml-document-decl.h
index b481d8164c..bfda1fb7e6 100644
--- a/library/cpp/xml/document/xml-document-decl.h
+++ b/library/cpp/xml/document/xml-document-decl.h
@@ -2,7 +2,7 @@
 
 #include <library/cpp/string_utils/ztstrbuf/ztstrbuf.h>
 
-#include <util/generic/string.h> 
+#include <util/generic/string.h>
 #include <util/generic/vector.h>
 #include <util/stream/output.h>
 #include <util/stream/str.h>
@@ -32,7 +32,7 @@ namespace NXml {
         * @param src: source type: File | String | RootName
         * throws if file not found or cannot be parsed
         */
-        TDocument(const TString& source, Source type = File); 
+        TDocument(const TString& source, Source type = File);
 
     public:
         TDocument(const TDocument& that) = delete;
@@ -71,7 +71,7 @@ namespace NXml {
         }
 
     private:
-        void ParseFile(const TString& file); 
+        void ParseFile(const TString& file);
         void ParseString(TZtStringBuf xml);
 
         TDocument(TDocHolder doc)
@@ -83,10 +83,10 @@ namespace NXml {
     };
 
     struct TNamespaceForXPath {
-        TString Prefix; 
-        TString Url; 
+        TString Prefix;
+        TString Url;
     };
-    typedef TVector<TNamespaceForXPath> TNamespacesForXPath; 
+    typedef TVector<TNamespaceForXPath> TNamespacesForXPath;
 
     class TConstNodes {
     private:
@@ -411,12 +411,12 @@ namespace NXml {
         /**
         * get node name
         */
-        TString Name() const; 
+        TString Name() const;
 
         /**
         * get node xpath
         */
-        TString Path() const; 
+        TString Path() const;
 
         /**
         * get node xml representation
@@ -662,7 +662,7 @@ namespace NXml {
         /**
         * get node name
         */
-        TString Name() const { 
+        TString Name() const {
             return ActualNode.Name();
         }
 
diff --git a/library/cpp/xml/document/xml-document.cpp b/library/cpp/xml/document/xml-document.cpp
index 17e7f78424..18a554d732 100644
--- a/library/cpp/xml/document/xml-document.cpp
+++ b/library/cpp/xml/document/xml-document.cpp
@@ -270,7 +270,7 @@ namespace NXml {
         return TNode();
     }
 
-    TString TNode::Name() const { 
+    TString TNode::Name() const {
         if (IsNull())
             THROW(XmlException, "Node is null");
 
diff --git a/library/cpp/xml/document/xml-document_ut.cpp b/library/cpp/xml/document/xml-document_ut.cpp
index c56d211059..9f537b75c4 100644
--- a/library/cpp/xml/document/xml-document_ut.cpp
+++ b/library/cpp/xml/document/xml-document_ut.cpp
@@ -33,7 +33,7 @@ Y_UNIT_TEST_SUITE(TestXmlDocument) {
         UNIT_ASSERT_EQUAL(b.Attr<bool>("correct"), true);
 
         NXml::TConstNode text = root.Node("text");
-        UNIT_ASSERT_EQUAL(text.Value<TString>(), "Некоторый текст"); 
+        UNIT_ASSERT_EQUAL(text.Value<TString>(), "Некоторый текст");
     }
     Y_UNIT_TEST(SerializeString) {
         NXml::TDocument xml("frob", NXml::TDocument::RootName);
@@ -46,7 +46,7 @@ Y_UNIT_TEST_SUITE(TestXmlDocument) {
         authors.AddChild("zarf").SetValue("Andrew Plotkin");
         authors.AddChild("emshort", "Emily Short");
 
-        TString data = xml.ToString("utf-8"); 
+        TString data = xml.ToString("utf-8");
         UNIT_ASSERT_EQUAL(data, "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n"
                                 "<frob xyzzy=\"Frobozz\" kulness=\"0.3\" timelimit=\"3\">\n"
                                 "  <authors>\n"
@@ -57,9 +57,9 @@ Y_UNIT_TEST_SUITE(TestXmlDocument) {
                                 "</frob>\n");
         // check default utf8 output with ru
         {
-            NXml::TDocument xml2("frob", NXml::TDocument::RootName); 
-            xml2.Root().SetAttr("xyzzy", "привет =)"); 
-            UNIT_ASSERT_VALUES_EQUAL(xml2.ToString(), "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n" 
+            NXml::TDocument xml2("frob", NXml::TDocument::RootName);
+            xml2.Root().SetAttr("xyzzy", "привет =)");
+            UNIT_ASSERT_VALUES_EQUAL(xml2.ToString(), "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n"
                                                       "<frob xyzzy=\"привет =)\"/>\n");
         }
     }
@@ -83,13 +83,13 @@ Y_UNIT_TEST_SUITE(TestXmlDocument) {
         UNIT_ASSERT_EQUAL(b.Attr<bool>("correct"), true);
 
         TConstNode text = root.Node("h:text", false, nss);
-        UNIT_ASSERT_EQUAL(text.Value<TString>(), "Некоторый текст"); 
+        UNIT_ASSERT_EQUAL(text.Value<TString>(), "Некоторый текст");
 
         // For performance you can create xpath context once using nss and pass it.
         TXPathContextPtr ctxt = root.CreateXPathContext(nss);
         UNIT_ASSERT(root.Node("text", true, *ctxt).IsNull());
         UNIT_ASSERT_EXCEPTION(root.Node("text", false, *ctxt), yexception);
-        UNIT_ASSERT_EQUAL(root.Node("h:text", false, *ctxt).Value<TString>(), "Некоторый текст"); 
+        UNIT_ASSERT_EQUAL(root.Node("h:text", false, *ctxt).Value<TString>(), "Некоторый текст");
     }
     Y_UNIT_TEST(XmlNodes) {
         using namespace NXml;
@@ -97,34 +97,34 @@ Y_UNIT_TEST_SUITE(TestXmlDocument) {
                       "<root>qq<a><b>asdfg</b></a>ww<c></c></root>",
                       NXml::TDocument::String);
         TNode root = xml.Root();
-        UNIT_ASSERT_EQUAL(root.Value<TString>(), "qqasdfgww"); 
+        UNIT_ASSERT_EQUAL(root.Value<TString>(), "qqasdfgww");
         TConstNode node = root.FirstChild();
         UNIT_ASSERT_EQUAL(node.IsText(), true);
-        UNIT_ASSERT_EQUAL(node.Value<TString>(), "qq"); 
+        UNIT_ASSERT_EQUAL(node.Value<TString>(), "qq");
         node = node.NextSibling();
         UNIT_ASSERT_EQUAL(node.IsText(), false);
         UNIT_ASSERT_EQUAL(node.Name(), "a");
-        UNIT_ASSERT_EQUAL(node.Value<TString>(), "asdfg"); 
+        UNIT_ASSERT_EQUAL(node.Value<TString>(), "asdfg");
         node = node.NextSibling();
         UNIT_ASSERT_EQUAL(node.IsText(), true);
-        UNIT_ASSERT_EQUAL(node.Value<TString>(), "ww"); 
+        UNIT_ASSERT_EQUAL(node.Value<TString>(), "ww");
         node = node.NextSibling();
         UNIT_ASSERT_EQUAL(node.IsText(), false);
         UNIT_ASSERT_EQUAL(node.Name(), "c");
-        UNIT_ASSERT_EQUAL(node.Value<TString>(), ""); 
+        UNIT_ASSERT_EQUAL(node.Value<TString>(), "");
         node = node.NextSibling();
         UNIT_ASSERT_EQUAL(node.IsNull(), true);
         TStringStream iterLog;
         for (const auto& node2 : root.Nodes("/root/*")) {
-            iterLog << node2.Name() << ';'; 
+            iterLog << node2.Name() << ';';
         }
         UNIT_ASSERT_STRINGS_EQUAL(iterLog.Str(), "a;c;");
 
         // get only element nodes, ignore text nodes with empty "name" param
-        node = root.FirstChild(TString()); 
+        node = root.FirstChild(TString());
         UNIT_ASSERT_EQUAL(node.IsText(), false);
         UNIT_ASSERT_EQUAL(node.Name(), "a");
-        node = node.NextSibling(TString()); 
+        node = node.NextSibling(TString());
         UNIT_ASSERT_EQUAL(node.IsText(), false);
         UNIT_ASSERT_EQUAL(node.Name(), "c");
 
@@ -148,7 +148,7 @@ Y_UNIT_TEST_SUITE(TestXmlDocument) {
         node = root.NextSibling("unknownnode");
         UNIT_ASSERT_EQUAL(node.IsNull(), true);
         UNIT_ASSERT_EXCEPTION(node.Name(), yexception);
-        UNIT_ASSERT_EXCEPTION(node.Value<TString>(), yexception); 
+        UNIT_ASSERT_EXCEPTION(node.Value<TString>(), yexception);
         UNIT_ASSERT_EXCEPTION(node.IsText(), yexception);
     }
     Y_UNIT_TEST(DefVal) {
@@ -173,14 +173,14 @@ Y_UNIT_TEST_SUITE(TestXmlDocument) {
                       "<a>second</a></root>",
                       NXml::TDocument::String);
         UNIT_ASSERT_EXCEPTION(xml.Root().Node("/root/a/@x"), yexception);
-        UNIT_ASSERT_STRINGS_EQUAL(xml.Root().Node("/root/a").Value<TString>(), "first"); 
+        UNIT_ASSERT_STRINGS_EQUAL(xml.Root().Node("/root/a").Value<TString>(), "first");
     }
     Y_UNIT_TEST(CopyNode) {
         using namespace NXml;
         // default-construct empty node
         TNode empty;
         // put to container
-        TMap<int, TNode> nmap; 
+        TMap<int, TNode> nmap;
         nmap[2];
 
         // do copy
@@ -255,11 +255,11 @@ Y_UNIT_TEST_SUITE(TestXmlDocument) {
 
         // We can use root node context for xpath evaluation in any node
         TConstNode c1 = b.Node("c", false, *rootCtxt);
-        UNIT_ASSERT_EQUAL(c1.Value<TString>(), "Hello, world!"); 
+        UNIT_ASSERT_EQUAL(c1.Value<TString>(), "Hello, world!");
 
         TXPathContextPtr bCtxt = b.CreateXPathContext();
         TConstNode c2 = b.Node("c", false, *bCtxt);
-        UNIT_ASSERT_EQUAL(c2.Value<TString>(), "Hello, world!"); 
+        UNIT_ASSERT_EQUAL(c2.Value<TString>(), "Hello, world!");
 
         // Mixing contexts from different documents is forbidden
         TDocument otherXml("<root></root>", TDocument::String);
diff --git a/library/cpp/xml/document/xml-textreader.cpp b/library/cpp/xml/document/xml-textreader.cpp
index f7d64670c8..b946f1fbf2 100644
--- a/library/cpp/xml/document/xml-textreader.cpp
+++ b/library/cpp/xml/document/xml-textreader.cpp
@@ -27,15 +27,15 @@ namespace NXml {
         return BoolResult(xmlTextReaderRead(Impl.Get()));
     }
 
-    TString TTextReader::ReadInnerXml() const { 
+    TString TTextReader::ReadInnerXml() const {
         return TempStringOrEmptyResult(xmlTextReaderReadInnerXml(Impl.Get()));
     }
 
-    TString TTextReader::ReadOuterXml() const { 
+    TString TTextReader::ReadOuterXml() const {
         return TempStringOrEmptyResult(xmlTextReaderReadOuterXml(Impl.Get()));
     }
 
-    TString TTextReader::ReadString() const { 
+    TString TTextReader::ReadString() const {
         return TempStringOrEmptyResult(xmlTextReaderReadString(Impl.Get()));
     }
 
@@ -109,7 +109,7 @@ namespace NXml {
         }
     }
 
-    TString TTextReader::GetAttribute(int number) const { 
+    TString TTextReader::GetAttribute(int number) const {
         return TempStringResult(xmlTextReaderGetAttributeNo(Impl.Get(), number));
     }
 
@@ -166,7 +166,7 @@ namespace NXml {
     }
 
     // Callback for xmlReaderForIO() to read more data.
-    // It is almost "noexcept" (std::bad_alloc may happen when saving exception message to new TString). 
+    // It is almost "noexcept" (std::bad_alloc may happen when saving exception message to new TString).
     // Waiting for std::exception_ptr and std::rethrow_exception from C++11 in Arcadia to make it really "noexcept".
     int TTextReader::ReadFromInputStreamCallback(void* context, char* buffer, int len) {
         Y_ASSERT(len >= 0);
@@ -251,7 +251,7 @@ namespace NXml {
             return;
         }
 
-        const TString message = ErrorBuffer.Str(); 
+        const TString message = ErrorBuffer.Str();
         ErrorBuffer.clear();
         IsError = false;
 
@@ -298,16 +298,16 @@ namespace NXml {
         return (value != nullptr) ? TStringBuf(CAST2CHAR(value)) : TStringBuf();
     }
 
-    TString TTextReader::TempStringResult(TCharPtr value) const { 
+    TString TTextReader::TempStringResult(TCharPtr value) const {
         if (Y_UNLIKELY(value == nullptr)) {
             ThrowException();
         }
-        return TString(CAST2CHAR(value.Get())); 
+        return TString(CAST2CHAR(value.Get()));
     }
 
-    TString TTextReader::TempStringOrEmptyResult(TCharPtr value) const { 
+    TString TTextReader::TempStringOrEmptyResult(TCharPtr value) const {
         CheckForExceptions();
-        return (value != nullptr) ? TString(CAST2CHAR(value.Get())) : TString(); 
+        return (value != nullptr) ? TString(CAST2CHAR(value.Get())) : TString();
     }
 
     struct TTextReader::TDeleter {
diff --git a/library/cpp/xml/document/xml-textreader.h b/library/cpp/xml/document/xml-textreader.h
index f0cba3182c..ab4c329d26 100644
--- a/library/cpp/xml/document/xml-textreader.h
+++ b/library/cpp/xml/document/xml-textreader.h
@@ -10,7 +10,7 @@
 #include <util/generic/noncopyable.h>
 #include <util/generic/ptr.h>
 #include <util/generic/strbuf.h>
-#include <util/generic/string.h> 
+#include <util/generic/string.h>
 #include <functional>
 #include <util/stream/input.h>
 #include <util/stream/str.h>
@@ -91,21 +91,21 @@ namespace NXml {
          * @return A string containing the XML content, or an empty string
          *         if the current node is neither an element nor attribute, or has no child nodes
          */
-        TString ReadInnerXml() const; 
+        TString ReadInnerXml() const;
 
         /**
          * Reads the current node and its contents, including child nodes and markup.
          * @return A string containing the XML content, or an empty string
          *         if the current node is neither an element nor attribute
          */
-        TString ReadOuterXml() const; 
+        TString ReadOuterXml() const;
 
         /**
          * Reads the contents of an element or a text node as a string.
          * @return A string containing the contents of the Element or Text node,
          *         or an empty string if the reader is positioned on any other type of node
          */
-        TString ReadString() const; 
+        TString ReadString() const;
 
         /**
          * Parses an attribute value into one or more Text and EntityReference nodes.
@@ -216,7 +216,7 @@ namespace NXml {
          * Provides the value of the attribute with the specified index relative to the containing element.
          * @param number the zero-based index of the attribute relative to the containing element
          */
-        TString GetAttribute(int number) const; 
+        TString GetAttribute(int number) const;
 
         /**
          * Provides the value of the attribute with the specified qualified name.
@@ -309,8 +309,8 @@ namespace NXml {
         char CharResult(int value) const;
         TStringBuf ConstStringResult(const xmlChar* value) const;
         TStringBuf ConstStringOrEmptyResult(const xmlChar* value) const;
-        TString TempStringResult(TCharPtr value) const; 
-        TString TempStringOrEmptyResult(TCharPtr value) const; 
+        TString TempStringResult(TCharPtr value) const;
+        TString TempStringOrEmptyResult(TCharPtr value) const;
 
     private:
         IInputStream& Stream;
diff --git a/library/cpp/xml/document/xml-textreader_ut.cpp b/library/cpp/xml/document/xml-textreader_ut.cpp
index 32558b95e6..6232dfe47e 100644
--- a/library/cpp/xml/document/xml-textreader_ut.cpp
+++ b/library/cpp/xml/document/xml-textreader_ut.cpp
@@ -10,10 +10,10 @@ namespace {
     /**
      * Simple wrapper around the xmlTextReader wrapper
      */
-    void ParseXml(const TString& xmlData, 
+    void ParseXml(const TString& xmlData,
                   std::function<void(NXml::TConstNode)> nodeHandlerFunc,
-                  const TString& localName, 
-                  const TString& namespaceUri = TString()) { 
+                  const TString& localName,
+                  const TString& namespaceUri = TString()) {
         TStringInput in(xmlData);
         NXml::TTextReader reader(in);
 
@@ -31,7 +31,7 @@ namespace {
 
 Y_UNIT_TEST_SUITE(TestXmlTextReader) {
     Y_UNIT_TEST(BasicExample) {
-        const TString xml = "<?xml version=\"1.0\"?>\n" 
+        const TString xml = "<?xml version=\"1.0\"?>\n"
                             "<example toto=\"1\">\n"
                             "  <examplechild id=\"1\">\n"
                             "    <child_of_child/>\n"
@@ -49,21 +49,21 @@ Y_UNIT_TEST_SUITE(TestXmlTextReader) {
         struct TItem {
             int Depth;
             ENT Type;
-            TString Name; 
-            TString Attrs; 
-            TString Value; 
+            TString Name;
+            TString Attrs;
+            TString Value;
         };
 
-        TVector<TItem> found; 
-        TVector<TString> msgs; 
+        TVector<TItem> found;
+        TVector<TString> msgs;
 
         while (reader.Read()) {
             // dump attributes as "k1: v1, k2: v2, ..."
-            TVector<TString> kv; 
+            TVector<TString> kv;
             if (reader.HasAttributes()) {
                 reader.MoveToFirstAttribute();
                 do {
-                    kv.push_back(TString::Join(reader.GetName(), ": ", reader.GetValue())); 
+                    kv.push_back(TString::Join(reader.GetName(), ": ", reader.GetValue()));
                 } while (reader.MoveToNextAttribute());
                 reader.MoveToElement();
             }
@@ -71,13 +71,13 @@ Y_UNIT_TEST_SUITE(TestXmlTextReader) {
             found.push_back(TItem{
                 reader.GetDepth(),
                 reader.GetNodeType(),
-                TString(reader.GetName()), 
+                TString(reader.GetName()),
                 JoinSeq(", ", kv),
-                reader.HasValue() ? TString(reader.GetValue()) : TString(), 
+                reader.HasValue() ? TString(reader.GetValue()) : TString(),
             });
         }
 
-        const TVector<TItem> expected = { 
+        const TVector<TItem> expected = {
             TItem{0, ENT::Element, "example", "toto: 1", ""},
             TItem{1, ENT::SignificantWhitespace, "#text", "", "\n  "},
             TItem{1, ENT::Element, "examplechild", "id: 1", ""},
@@ -107,7 +107,7 @@ Y_UNIT_TEST_SUITE(TestXmlTextReader) {
         }
     }
 
-    const TString GEODATA = "<?xml version=\"1.0\" encoding=\"utf-8\"?>" 
+    const TString GEODATA = "<?xml version=\"1.0\" encoding=\"utf-8\"?>"
                             "<root>"
                             ""
                             "  <country id=\"225\">"
@@ -136,22 +136,22 @@ Y_UNIT_TEST_SUITE(TestXmlTextReader) {
 
     Y_UNIT_TEST(ParseXmlSimple) {
         struct TCountry {
-            TString Name; 
-            TVector<TString> Cities; 
+            TString Name;
+            TVector<TString> Cities;
         };
 
-        THashMap<int, TCountry> data; 
+        THashMap<int, TCountry> data;
 
         auto handler = [&data](NXml::TConstNode node) {
             const int id = node.Attr<int>("id");
 
             TCountry& c = data[id];
 
-            c.Name = node.FirstChild("name").Value<TString>(); 
+            c.Name = node.FirstChild("name").Value<TString>();
 
             const NXml::TConstNodes cityNodes = node.Nodes("cities/city");
             for (auto cityNode : cityNodes) {
-                c.Cities.push_back(cityNode.Value<TString>()); 
+                c.Cities.push_back(cityNode.Value<TString>());
             }
         };
 
@@ -180,10 +180,10 @@ Y_UNIT_TEST_SUITE(TestXmlTextReader) {
     }
 
     Y_UNIT_TEST(ParseXmlDeepLevel) {
-        TVector<TString> cities; 
+        TVector<TString> cities;
 
         auto handler = [&cities](NXml::TConstNode node) {
-            cities.push_back(node.Value<TString>()); 
+            cities.push_back(node.Value<TString>());
         };
 
         ParseXml(GEODATA, handler, "city");
@@ -211,7 +211,7 @@ Y_UNIT_TEST_SUITE(TestXmlTextReader) {
         UNIT_ASSERT_EXCEPTION(ParseXml("<root><a id=\"1\"></a><a id=\"2></a></root>", handler, "a"), yexception);
     }
 
-    const TString BACKA = // UTF-8 encoding is used implicitly 
+    const TString BACKA = // UTF-8 encoding is used implicitly
         "<Companies"
         "    xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\""
         "    xmlns=\"http://maps.yandex.ru/backa/1.x\""
@@ -259,18 +259,18 @@ Y_UNIT_TEST_SUITE(TestXmlTextReader) {
             TNS{"xal", "urn:oasis:names:tc:ciq:xsdschema:xAL:2.0"}};
 
         int count = 0;
-        THashMap<TString, TString> positions; 
-        THashMap<TString, TString> addresses; 
+        THashMap<TString, TString> positions;
+        THashMap<TString, TString> addresses;
 
         auto handler = [&](NXml::TConstNode node) {
             count++;
-            const auto id = node.Attr<TString>("id"); 
+            const auto id = node.Attr<TString>("id");
 
             NXml::TXPathContextPtr ctxt = node.CreateXPathContext(ns);
 
             const NXml::TConstNode location = node.Node("b:Geo/b:Location", false, *ctxt);
-            positions[id] = location.Node("gml:pos", false, *ctxt).Value<TString>(); 
-            addresses[id] = node.Node("b:Geo/xal:AddressDetails/xal:Country/xal:AddressLine", false, *ctxt).Value<TString>(); 
+            positions[id] = location.Node("gml:pos", false, *ctxt).Value<TString>();
+            addresses[id] = node.Node("b:Geo/xal:AddressDetails/xal:Country/xal:AddressLine", false, *ctxt).Value<TString>();
         };
 
         ParseXml(BACKA, handler, "Company");
diff --git a/library/cpp/xml/init/init.cpp b/library/cpp/xml/init/init.cpp
index a399211393..aa96c2dd31 100644
--- a/library/cpp/xml/init/init.cpp
+++ b/library/cpp/xml/init/init.cpp
@@ -28,7 +28,7 @@ namespace {
             xmlNewCharEncodingHandler("windows-1251", CharEncodingInput, nullptr);
         }
 
-        inline ~TLibXml2() { 
+        inline ~TLibXml2() {
             xmlCleanupParser();
         }
     };
diff --git a/library/cpp/xml/init/ptr.h b/library/cpp/xml/init/ptr.h
index 6fc431787a..7387c7cc40 100644
--- a/library/cpp/xml/init/ptr.h
+++ b/library/cpp/xml/init/ptr.h
@@ -11,7 +11,7 @@
 
 template <class T, void (*DestroyFun)(T*)>
 struct TFunctionDestroy {
-    static inline void Destroy(T* t) noexcept { 
+    static inline void Destroy(T* t) noexcept {
         if (t)
             DestroyFun(t);
     }
diff --git a/library/cpp/yson/node/node.cpp b/library/cpp/yson/node/node.cpp
index d2deeeb764..b39e070718 100644
--- a/library/cpp/yson/node/node.cpp
+++ b/library/cpp/yson/node/node.cpp
@@ -111,7 +111,7 @@ TNode::TNode(const std::string& s)
     : Value_(TString(s))
 { }
 
-TNode::TNode(TString s) 
+TNode::TNode(TString s)
     : Value_(std::move(s))
 { }
 
@@ -292,7 +292,7 @@ TNode::EType TNode::GetType() const
     }, Value_);
 }
 
-const TString& TNode::AsString() const 
+const TString& TNode::AsString() const
 {
     CheckType(String);
     return std::get<TString>(Value_);
@@ -322,25 +322,25 @@ bool TNode::AsBool() const
     return std::get<bool>(Value_);
 }
 
-const TNode::TListType& TNode::AsList() const 
+const TNode::TListType& TNode::AsList() const
 {
     CheckType(List);
     return std::get<TListType>(Value_);
 }
 
-const TNode::TMapType& TNode::AsMap() const 
+const TNode::TMapType& TNode::AsMap() const
 {
     CheckType(Map);
     return std::get<TMapType>(Value_);
 }
 
-TNode::TListType& TNode::AsList() 
+TNode::TListType& TNode::AsList()
 {
     CheckType(List);
     return std::get<TListType>(Value_);
 }
 
-TNode::TMapType& TNode::AsMap() 
+TNode::TMapType& TNode::AsMap()
 {
     CheckType(Map);
     return std::get<TMapType>(Value_);
@@ -371,22 +371,22 @@ bool TNode::UncheckedAsBool() const noexcept
     return std::get<bool>(Value_);
 }
 
-const TNode::TListType& TNode::UncheckedAsList() const noexcept 
+const TNode::TListType& TNode::UncheckedAsList() const noexcept
 {
     return std::get<TListType>(Value_);
 }
 
-const TNode::TMapType& TNode::UncheckedAsMap() const noexcept 
+const TNode::TMapType& TNode::UncheckedAsMap() const noexcept
 {
     return std::get<TMapType>(Value_);
 }
 
-TNode::TListType& TNode::UncheckedAsList() noexcept 
+TNode::TListType& TNode::UncheckedAsList() noexcept
 {
     return std::get<TListType>(Value_);
 }
 
-TNode::TMapType& TNode::UncheckedAsMap() noexcept 
+TNode::TMapType& TNode::UncheckedAsMap() noexcept
 {
     return std::get<TMapType>(Value_);
 }
@@ -526,7 +526,7 @@ const TNode& TNode::operator[](const TStringBuf key) const
     CheckType(Map);
     static TNode notFound;
     const auto& map = std::get<TMapType>(Value_);
-    TMapType::const_iterator i = map.find(key); 
+    TMapType::const_iterator i = map.find(key);
     if (i == map.end()) {
         return notFound;
     } else {
@@ -829,7 +829,7 @@ void TNode::CheckType(EType type) const
 void TNode::AssureMap()
 {
     if (std::holds_alternative<TUndefined>(Value_)) {
-        Value_ = TMapType(); 
+        Value_ = TMapType();
     } else {
         CheckType(Map);
     }
@@ -838,7 +838,7 @@ void TNode::AssureMap()
 void TNode::AssureList()
 {
     if (std::holds_alternative<TUndefined>(Value_)) {
-        Value_ = TListType(); 
+        Value_ = TListType();
     } else {
         CheckType(List);
     }
@@ -847,7 +847,7 @@ void TNode::AssureList()
 void TNode::CreateAttributes()
 {
     Attributes_ = MakeHolder<TNode>();
-    Attributes_->Value_ = TMapType(); 
+    Attributes_->Value_ = TMapType();
 }
 
 void TNode::Save(IOutputStream* out) const
diff --git a/library/cpp/yson/node/node.h b/library/cpp/yson/node/node.h
index c82e846adf..5f90f95df0 100644
--- a/library/cpp/yson/node/node.h
+++ b/library/cpp/yson/node/node.h
@@ -45,8 +45,8 @@ public:
         Null = 8    /*"null"*/,
     };
 
-    using TListType = TVector<TNode>; 
-    using TMapType = THashMap<TString, TNode>; 
+    using TListType = TVector<TNode>;
+    using TMapType = THashMap<TString, TNode>;
 
 private:
     struct TNull {
@@ -62,9 +62,9 @@ private:
         i64,
         ui64,
         double,
-        TString, 
-        TListType, 
-        TMapType, 
+        TString,
+        TListType,
+        TMapType,
         TNull,
         TUndefined
         >;
@@ -76,7 +76,7 @@ public:
     TNode(TStringBuf s);
     explicit TNode(std::string_view s);
     explicit TNode(const std::string& s);
-    TNode(TString s); 
+    TNode(TString s);
     TNode(int i);
 
     //this case made speccially for prevent mess cast of EType into TNode through TNode(int) constructor
@@ -139,25 +139,25 @@ public:
 
     EType GetType() const;
 
-    const TString& AsString() const; 
+    const TString& AsString() const;
     i64 AsInt64() const;
     ui64 AsUint64() const;
     double AsDouble() const;
     bool AsBool() const;
-    const TListType& AsList() const; 
-    const TMapType& AsMap() const; 
-    TListType& AsList(); 
-    TMapType& AsMap(); 
+    const TListType& AsList() const;
+    const TMapType& AsMap() const;
+    TListType& AsList();
+    TMapType& AsMap();
 
     const TString& UncheckedAsString() const noexcept;
     i64 UncheckedAsInt64() const noexcept;
     ui64 UncheckedAsUint64() const noexcept;
     double UncheckedAsDouble() const noexcept;
     bool UncheckedAsBool() const noexcept;
-    const TListType& UncheckedAsList() const noexcept; 
-    const TMapType& UncheckedAsMap() const noexcept; 
-    TListType& UncheckedAsList() noexcept; 
-    TMapType& UncheckedAsMap() noexcept; 
+    const TListType& UncheckedAsList() const noexcept;
+    const TMapType& UncheckedAsMap() const noexcept;
+    TListType& UncheckedAsList() noexcept;
+    TMapType& UncheckedAsMap() noexcept;
 
     // integer types cast
     // makes overflow checks
diff --git a/library/cpp/yson/node/node_builder.cpp b/library/cpp/yson/node/node_builder.cpp
index 25fcb0f1f8..b4431bc77a 100644
--- a/library/cpp/yson/node/node_builder.cpp
+++ b/library/cpp/yson/node/node_builder.cpp
@@ -61,7 +61,7 @@ void TNodeBuilder::OnBeginMap()
 
 void TNodeBuilder::OnKeyedItem(TStringBuf key)
 {
-    Stack_.push(&(*Stack_.top())[TString(key)]); 
+    Stack_.push(&(*Stack_.top())[TString(key)]);
 }
 
 void TNodeBuilder::OnEndMap()
diff --git a/library/cpp/yson/node/node_builder.h b/library/cpp/yson/node/node_builder.h
index 0190870f91..69800016e0 100644
--- a/library/cpp/yson/node/node_builder.h
+++ b/library/cpp/yson/node/node_builder.h
@@ -35,7 +35,7 @@ public:
     void OnNode(TNode node);
 
 private:
-    TStack<TNode*> Stack_; 
+    TStack<TNode*> Stack_;
 
 private:
     inline void AddNode(TNode node, bool pop);
diff --git a/library/cpp/yson/node/node_visitor.cpp b/library/cpp/yson/node/node_visitor.cpp
index 69a66cc4ed..899fbfa02a 100644
--- a/library/cpp/yson/node/node_visitor.cpp
+++ b/library/cpp/yson/node/node_visitor.cpp
@@ -112,7 +112,7 @@ void TNodeVisitor::VisitBool(const TNode& node)
     Consumer_->OnBooleanScalar(node.AsBool());
 }
 
-void TNodeVisitor::VisitList(const TNode::TListType& nodeList) 
+void TNodeVisitor::VisitList(const TNode::TListType& nodeList)
 {
     Consumer_->OnBeginList();
     size_t index = 0;
@@ -128,7 +128,7 @@ void TNodeVisitor::VisitList(const TNode::TListType& nodeList)
     Consumer_->OnEndList();
 }
 
-void TNodeVisitor::VisitMap(const TNode::TMapType& nodeMap) 
+void TNodeVisitor::VisitMap(const TNode::TMapType& nodeMap)
 {
     Consumer_->OnBeginMap();
     Iterate(nodeMap, SortMapKeys_, [&](const std::pair<TString, TNode>& item) {
diff --git a/library/cpp/yson/node/node_visitor.h b/library/cpp/yson/node/node_visitor.h
index 927df5d9e7..db25832309 100644
--- a/library/cpp/yson/node/node_visitor.h
+++ b/library/cpp/yson/node/node_visitor.h
@@ -14,8 +14,8 @@ public:
     TNodeVisitor(NYson::IYsonConsumer* consumer, bool sortMapKeys = false);
 
     void Visit(const TNode& node);
-    void VisitMap(const TNode::TMapType& nodeMap); 
-    void VisitList(const TNode::TListType& nodeMap); 
+    void VisitMap(const TNode::TMapType& nodeMap);
+    void VisitList(const TNode::TListType& nodeMap);
 
 private:
     NYson::IYsonConsumer* Consumer_;
diff --git a/library/cpp/yson_pull/detail/cescape.h b/library/cpp/yson_pull/detail/cescape.h
index 738e8ec32f..1ea150e69a 100644
--- a/library/cpp/yson_pull/detail/cescape.h
+++ b/library/cpp/yson_pull/detail/cescape.h
@@ -6,7 +6,7 @@
 #include "macros.h"
 
 #include <util/generic/strbuf.h>
-#include <util/generic/string.h> 
+#include <util/generic/string.h>
 #include <util/generic/vector.h>
 
 /* REFERENCES FOR ESCAPE SEQUENCE INTERPRETATION:
@@ -38,7 +38,7 @@
 namespace NYsonPull {
     namespace NDetail {
         namespace NCEscape {
-            inline void encode(TString& dest, TStringBuf data) { 
+            inline void encode(TString& dest, TStringBuf data) {
                 NImpl::escape_impl(
                     reinterpret_cast<const ui8*>(data.data()),
                     data.size(),
@@ -78,14 +78,14 @@ namespace NYsonPull {
                 }
             }
 
-            inline TString encode(TStringBuf data) { 
-                TString result; 
+            inline TString encode(TStringBuf data) {
+                TString result;
                 result.reserve(data.size());
                 encode(result, data);
                 return result;
             }
 
-            inline void decode(TString& dest, TStringBuf data) { 
+            inline void decode(TString& dest, TStringBuf data) {
                 NImpl::unescape_impl(
                     reinterpret_cast<const ui8*>(data.begin()),
                     reinterpret_cast<const ui8*>(data.end()),
@@ -97,7 +97,7 @@ namespace NYsonPull {
                     });
             }
 
-            inline void decode_inplace(TVector<ui8>& data) { 
+            inline void decode_inplace(TVector<ui8>& data) {
                 auto* out = static_cast<ui8*>(
                     ::memchr(data.data(), '\\', data.size()));
                 if (out == nullptr) {
@@ -116,16 +116,16 @@ namespace NYsonPull {
                 data.resize(out - &data[0]);
             }
 
-            inline TString decode(TStringBuf data) { 
-                TString result; 
+            inline TString decode(TStringBuf data) {
+                TString result;
                 result.reserve(data.size());
                 decode(result, data);
                 return result;
             }
 
             ATTRIBUTE(noinline, cold)
-            inline TString quote(TStringBuf str) { 
-                TString result; 
+            inline TString quote(TStringBuf str) {
+                TString result;
                 result.reserve(str.size() + 16);
                 result += '"';
                 encode(result, str);
@@ -134,7 +134,7 @@ namespace NYsonPull {
             }
 
             ATTRIBUTE(noinline, cold)
-            inline TString quote(ui8 ch) { 
+            inline TString quote(ui8 ch) {
                 char c = ch;
                 return quote(TStringBuf(&c, 1));
             }
diff --git a/library/cpp/yson_pull/detail/format_string.h b/library/cpp/yson_pull/detail/format_string.h
index 57bc2697ae..683fd1bf36 100644
--- a/library/cpp/yson_pull/detail/format_string.h
+++ b/library/cpp/yson_pull/detail/format_string.h
@@ -1,7 +1,7 @@
 #pragma once
 
 #include <util/generic/strbuf.h>
-#include <util/generic/string.h> 
+#include <util/generic/string.h>
 #include <util/string/builder.h>
 
 namespace NYsonPull {
@@ -17,10 +17,10 @@ namespace NYsonPull {
         }
 
         template <typename... Args>
-        TString format_string(Args&&... args) { 
+        TString format_string(Args&&... args) {
             TStringBuilder builder;
             NImpl::apply_args(builder, std::forward<Args>(args)...);
-            return TString(std::move(builder)); 
+            return TString(std::move(builder));
         }
     }
 }
diff --git a/library/cpp/yson_pull/detail/input/stream.h b/library/cpp/yson_pull/detail/input/stream.h
index abe495aa47..791cd5a3f5 100644
--- a/library/cpp/yson_pull/detail/input/stream.h
+++ b/library/cpp/yson_pull/detail/input/stream.h
@@ -57,10 +57,10 @@ namespace NYsonPull {
                 }
             };
 
-            class TFHandle: public TOwned<TFileInput> { 
+            class TFHandle: public TOwned<TFileInput> {
             public:
                 TFHandle(int fd, size_t buffer_size)
-                    : TOwned<TFileInput>(Duplicate(fd), buffer_size) 
+                    : TOwned<TFileInput>(Duplicate(fd), buffer_size)
                 {
                 }
             };
diff --git a/library/cpp/yson_pull/detail/lexer_base.h b/library/cpp/yson_pull/detail/lexer_base.h
index 525304ec8e..572bdb3d18 100644
--- a/library/cpp/yson_pull/detail/lexer_base.h
+++ b/library/cpp/yson_pull/detail/lexer_base.h
@@ -19,7 +19,7 @@ namespace NYsonPull {
             using Base = byte_reader<
                 stream_counter<EnableLinePositionInfo>>;
 
-            TVector<ui8> token_buffer_; 
+            TVector<ui8> token_buffer_;
             TMaybe<size_t> memory_limit_;
 
         public:
diff --git a/library/cpp/yson_pull/detail/output/stream.h b/library/cpp/yson_pull/detail/output/stream.h
index 4c5ca4db82..d4810f3353 100644
--- a/library/cpp/yson_pull/detail/output/stream.h
+++ b/library/cpp/yson_pull/detail/output/stream.h
@@ -44,10 +44,10 @@ namespace NYsonPull {
                 }
             };
 
-            class TFHandle: public TOwned<TUnbufferedFileOutput> { 
+            class TFHandle: public TOwned<TUnbufferedFileOutput> {
             public:
                 TFHandle(int fd, size_t buffer_size)
-                    : TOwned<TUnbufferedFileOutput>(buffer_size, Duplicate(fd)) 
+                    : TOwned<TUnbufferedFileOutput>(buffer_size, Duplicate(fd))
                 {
                 }
             };
diff --git a/library/cpp/yson_pull/detail/reader.h b/library/cpp/yson_pull/detail/reader.h
index 655d450b8e..0e02396358 100644
--- a/library/cpp/yson_pull/detail/reader.h
+++ b/library/cpp/yson_pull/detail/reader.h
@@ -188,7 +188,7 @@ namespace NYsonPull {
             lexer_base<EnableLinePositionInfo> lexer_;
             state state_;
             TEvent event_;
-            TVector<EEventType> stack_; 
+            TVector<EEventType> stack_;
             EStreamType mode_;
 
         public:
diff --git a/library/cpp/yson_pull/detail/writer.h b/library/cpp/yson_pull/detail/writer.h
index 4b3238ec33..b24b994292 100644
--- a/library/cpp/yson_pull/detail/writer.h
+++ b/library/cpp/yson_pull/detail/writer.h
@@ -32,7 +32,7 @@ namespace NYsonPull {
             };
 
             byte_writer<stream_counter<false>> stream_;
-            TVector<EEventType> stack_; 
+            TVector<EEventType> stack_;
             bool need_item_separator_ = false;
             EStreamType mode_ = EStreamType::ListFragment;
             state state_ = state::before_begin;
diff --git a/library/cpp/yson_pull/exceptions.h b/library/cpp/yson_pull/exceptions.h
index 2d651990f8..ebfed950a5 100644
--- a/library/cpp/yson_pull/exceptions.h
+++ b/library/cpp/yson_pull/exceptions.h
@@ -2,7 +2,7 @@
 
 #include "position_info.h"
 
-#include <util/generic/string.h> 
+#include <util/generic/string.h>
 
 #include <stdexcept>
 #include <string>
@@ -10,13 +10,13 @@
 namespace NYsonPull {
     namespace NException {
         class TBadStream: public std::exception {
-            TString Message_; 
+            TString Message_;
             TPositionInfo Position_;
-            mutable TString FormattedMessage_; 
+            mutable TString FormattedMessage_;
 
         public:
             TBadStream(
-                TString message, 
+                TString message,
                 const TPositionInfo& position)
                 : Message_(std::move(message))
                 , Position_(position)
diff --git a/library/cpp/yson_pull/output.cpp b/library/cpp/yson_pull/output.cpp
index 5b01023e37..27c9ef9e69 100644
--- a/library/cpp/yson_pull/output.cpp
+++ b/library/cpp/yson_pull/output.cpp
@@ -20,7 +20,7 @@ THolder<IStream> NOutput::FromPosixFd(int fd, size_t buffer_size) {
     return MakeHolder<TFHandle>(fd, buffer_size);
 }
 
-THolder<IStream> NOutput::FromString(TString* output, size_t buffer_size) { 
+THolder<IStream> NOutput::FromString(TString* output, size_t buffer_size) {
     return MakeHolder<TOwned<TStringOutput>>(buffer_size, *output);
 }
 
diff --git a/library/cpp/yson_pull/output.h b/library/cpp/yson_pull/output.h
index ba1c1bee31..2d78107a93 100644
--- a/library/cpp/yson_pull/output.h
+++ b/library/cpp/yson_pull/output.h
@@ -60,6 +60,6 @@ namespace NYsonPull {
 
         THolder<IStream> FromOutputStream(IOutputStream* output, size_t buffer_size = 65536);
 
-        THolder<IStream> FromString(TString* output, size_t buffer_size = 1024); 
+        THolder<IStream> FromString(TString* output, size_t buffer_size = 1024);
     }
 }
diff --git a/library/cpp/yson_pull/read_ops.h b/library/cpp/yson_pull/read_ops.h
index 125f6c9a57..5c084983ea 100644
--- a/library/cpp/yson_pull/read_ops.h
+++ b/library/cpp/yson_pull/read_ops.h
@@ -119,8 +119,8 @@ namespace NYsonPull {
         }
 
         template <>
-        inline TString ReadScalar<TString>(TReader& reader) { 
-            return TString(ReadScalar<TStringBuf>(reader)); 
+        inline TString ReadScalar<TString>(TReader& reader) {
+            return TString(ReadScalar<TStringBuf>(reader));
         }
 
         template <>
diff --git a/library/cpp/yson_pull/ut/cescape_ut.cpp b/library/cpp/yson_pull/ut/cescape_ut.cpp
index d0f65be3fe..6628ba1d15 100644
--- a/library/cpp/yson_pull/ut/cescape_ut.cpp
+++ b/library/cpp/yson_pull/ut/cescape_ut.cpp
@@ -5,7 +5,7 @@
 using namespace NYsonPull::NDetail;
 
 namespace {
-    void test_roundtrip(const TVector<ui8>& str) { 
+    void test_roundtrip(const TVector<ui8>& str) {
         TStringBuf str_buf(
             reinterpret_cast<const char*>(str.data()),
             str.size());
@@ -19,7 +19,7 @@ namespace {
     }
 
     template <size_t N>
-    void test_exhaustive(TVector<ui8>& str) { 
+    void test_exhaustive(TVector<ui8>& str) {
         for (int i = 0; i < 256; ++i) {
             str[str.size() - N] = static_cast<char>(i);
             test_exhaustive<N - 1>(str);
@@ -27,13 +27,13 @@ namespace {
     }
 
     template <>
-    void test_exhaustive<0>(TVector<ui8>& str) { 
+    void test_exhaustive<0>(TVector<ui8>& str) {
         test_roundtrip(str);
     }
 
     template <size_t N>
     void test_exhaustive() {
-        TVector<ui8> str(N, ' '); 
+        TVector<ui8> str(N, ' ');
         test_exhaustive<N>(str);
     }
 
diff --git a/library/cpp/yson_pull/ut/loop_ut.cpp b/library/cpp/yson_pull/ut/loop_ut.cpp
index 361c3df8ca..8c7b11dd1c 100644
--- a/library/cpp/yson_pull/ut/loop_ut.cpp
+++ b/library/cpp/yson_pull/ut/loop_ut.cpp
@@ -215,7 +215,7 @@ namespace {
 
     template <typename Function>
     void test_memory(Function make_writer, size_t nrepeat) {
-        TString text; 
+        TString text;
         {
             auto writer = make_writer(NYsonPull::NOutput::FromString(&text));
             generate(writer, nrepeat);
diff --git a/library/cpp/yson_pull/ut/writer_ut.cpp b/library/cpp/yson_pull/ut/writer_ut.cpp
index da20469697..5c304bad0f 100644
--- a/library/cpp/yson_pull/ut/writer_ut.cpp
+++ b/library/cpp/yson_pull/ut/writer_ut.cpp
@@ -3,7 +3,7 @@
 
 #include <library/cpp/testing/unittest/registar.h>
 
-#include <util/generic/string.h> 
+#include <util/generic/string.h>
 
 #include <climits>
 #include <limits>
@@ -12,8 +12,8 @@ using namespace std::string_view_literals;
 
 namespace {
     template <typename Writer, typename Function>
-    TString with_writer(Function&& function) { 
-        TString result; 
+    TString with_writer(Function&& function) {
+        TString result;
         auto writer = NYsonPull::NDetail::make_writer<Writer>(
             NYsonPull::NOutput::FromString(&result),
             NYsonPull::EStreamType::Node);
@@ -24,19 +24,19 @@ namespace {
     }
 
     template <typename Writer>
-    TString to_yson_string(const NYsonPull::TScalar& value) { 
+    TString to_yson_string(const NYsonPull::TScalar& value) {
         return with_writer<Writer>([&](NYsonPull::TWriter& writer) {
             writer.BeginStream().Scalar(value).EndStream();
         });
     }
 
     template <typename T>
-    TString to_yson_binary_string(T&& value) { 
+    TString to_yson_binary_string(T&& value) {
         return to_yson_string<NYsonPull::NDetail::TBinaryWriterImpl>(std::forward<T>(value));
     }
 
     template <typename T>
-    TString to_yson_text_string(T&& value) { 
+    TString to_yson_text_string(T&& value) {
         return to_yson_string<NYsonPull::NDetail::TTextWriterImpl>(std::forward<T>(value));
     }
 
diff --git a/library/python/runtime_py3/__res.pyx b/library/python/runtime_py3/__res.pyx
index 5b2681ccdc..97190d9f29 100644
--- a/library/python/runtime_py3/__res.pyx
+++ b/library/python/runtime_py3/__res.pyx
@@ -22,7 +22,7 @@ def key_by_index(idx):
 
 
 def find(s):
-    cdef TString res 
+    cdef TString res
 
     if isinstance(s, str):
         s = utf_8_encode(s)[0]
diff --git a/library/python/runtime_py3/ya.make b/library/python/runtime_py3/ya.make
index 58f9b236de..fa5c11341a 100644
--- a/library/python/runtime_py3/ya.make
+++ b/library/python/runtime_py3/ya.make
@@ -6,8 +6,8 @@ OWNER(
     pg
 )
 
-NO_WSHADOW() 
- 
+NO_WSHADOW()
+
 PEERDIR(
     contrib/tools/python3/src
     contrib/tools/python3/lib/py
diff --git a/library/python/ya.make b/library/python/ya.make
index f0afabb7d1..2e1eb6e0e1 100644
--- a/library/python/ya.make
+++ b/library/python/ya.make
@@ -143,8 +143,8 @@ RECURSE(
     pytest
     pytest-mongodb
     pytest/allure
-    pytest/empty 
-    pytest/plugins 
+    pytest/empty
+    pytest/plugins
     python-blackboxer
     python-django-tanker
     python-django-yauth/tests
author	Vlad Yaroslavlev <vladon@vladon.com>	2022-02-10 16:46:25 +0300
committer	Daniil Cherednik <dcherednik@yandex-team.ru>	2022-02-10 16:46:25 +0300
commit	344ea37b4a345701ab0e67de2266a1c1bd7baf2d (patch)
tree	1a2c5ffcf89eb53ecd79dbc9bc0a195c27404d0c /library
parent	706b83ed7de5a473436620367af31fc0ceecde07 (diff)
download	ydb-344ea37b4a345701ab0e67de2266a1c1bd7baf2d.tar.gz