Restoring authorship annotation for Andrey Fomichev <andrey.fomichev@gmail.com>. Commit 2 of 2.

66 files changed, 756 insertions, 756 deletions

diff --git a/library/cpp/actors/core/actor.h b/library/cpp/actors/core/actor.h
index 2c881921a2..ed29bd14b9 100644
--- a/library/cpp/actors/core/actor.h
+++ b/library/cpp/actors/core/actor.h
@@ -19,7 +19,7 @@ namespace NActors {
     }
 
     struct TActorContext;
- 
+
     struct TActivationContext {
     public:
         TMailboxHeader& Mailbox;
diff --git a/library/cpp/actors/core/actorsystem.cpp b/library/cpp/actors/core/actorsystem.cpp
index d927aedc3a..c58698a206 100644
--- a/library/cpp/actors/core/actorsystem.cpp
+++ b/library/cpp/actors/core/actorsystem.cpp
@@ -8,7 +8,7 @@
 #include "servicemap.h"
 #include "scheduler_queue.h"
 #include "scheduler_actor.h"
-#include "log.h" 
+#include "log.h"
 #include "probes.h"
 #include "ask.h"
 #include <library/cpp/actors/util/affinity.h>
@@ -121,7 +121,7 @@ namespace NActors {
     void TActorSystem::Schedule(TInstant deadline, TAutoPtr<IEventHandle> ev, ISchedulerCookie* cookie) const {
         Schedule(deadline - Timestamp(), ev, cookie);
     }
- 
+
     void TActorSystem::Schedule(TMonotonic deadline, TAutoPtr<IEventHandle> ev, ISchedulerCookie* cookie) const {
         const auto current = Monotonic();
         if (deadline < current)
diff --git a/library/cpp/actors/core/actorsystem.h b/library/cpp/actors/core/actorsystem.h
index 47373078df..40499d7586 100644
--- a/library/cpp/actors/core/actorsystem.h
+++ b/library/cpp/actors/core/actorsystem.h
@@ -6,7 +6,7 @@
 #include "balancer.h"
 #include "config.h"
 #include "event.h"
-#include "log_settings.h" 
+#include "log_settings.h"
 #include "scheduler_cookie.h"
 #include "mon_stats.h"
 
@@ -233,7 +233,7 @@ namespace NActors {
         mutable TTicketLock ScheduleLock;
 
         friend class TExecutorThread;
- 
+
         THolder<TActorSystemSetup> SystemSetup;
         TActorId DefSelfID;
         void* AppData0;
@@ -331,7 +331,7 @@ namespace NActors {
 
         TActorId LookupLocalService(const TActorId& x) const;
         TActorId RegisterLocalService(const TActorId& serviceId, const TActorId& actorId);
- 
+
         ui32 GetMaxActivityType() const {
             return SystemSetup ? SystemSetup->MaxActivityType : 1;
         }
@@ -339,7 +339,7 @@ namespace NActors {
         TInstant Timestamp() const {
             return TInstant::MicroSeconds(RelaxedLoad(&CurrentTimestamp));
         }
- 
+
         TMonotonic Monotonic() const {
             return TMonotonic::MicroSeconds(RelaxedLoad(&CurrentMonotonic));
         }
diff --git a/library/cpp/actors/core/defs.h b/library/cpp/actors/core/defs.h
index 914b24212e..980b7d767b 100644
--- a/library/cpp/actors/core/defs.h
+++ b/library/cpp/actors/core/defs.h
@@ -39,7 +39,7 @@ namespace NActors {
 
     struct TMailboxType {
         enum EType {
-            Inherited = -1, // inherit mailbox from parent 
+            Inherited = -1, // inherit mailbox from parent
             Simple = 0, // simplest queue under producer lock. fastest in no-contention case
             Revolving = 1, // somewhat outdated, tries to be wait-free. replaced by ReadAsFilled
             HTSwap = 2, // other simple lf queue, suggested for low-contention case
diff --git a/library/cpp/actors/core/event_pb.h b/library/cpp/actors/core/event_pb.h
index c52761c73d..d7546b901a 100644
--- a/library/cpp/actors/core/event_pb.h
+++ b/library/cpp/actors/core/event_pb.h
@@ -228,8 +228,8 @@ namespace NActors {
                 }
             }
             return result;
-        } 
- 
+        }
+
         static IEventBase* Load(TIntrusivePtr<TEventSerializedData> input) {
             THolder<TEventPBBase> ev(new TEv());
             if (!input->GetSize()) {
@@ -281,7 +281,7 @@ namespace NActors {
             }
             return CachedByteSize;
         }
- 
+
         ui32 CalculateSerializedSizeCached() const override {
             return GetCachedByteSize();
         }
diff --git a/library/cpp/actors/core/events.h b/library/cpp/actors/core/events.h
index be55e8ed78..702cf50fad 100644
--- a/library/cpp/actors/core/events.h
+++ b/library/cpp/actors/core/events.h
@@ -179,15 +179,15 @@ namespace NActors {
 
             DEFINE_SIMPLE_LOCAL_EVENT(TEvCompleted, "System: TEvCompleted")
         };
- 
+
         struct TEvPoisonTaken: public TEventBase<TEvPoisonTaken, TSystem::PoisonTaken> {
             DEFINE_SIMPLE_LOCAL_EVENT(TEvPoisonTaken, "System: TEvPoisonTaken")
         };
- 
+
         struct TEvFlushLog: public TEventBase<TEvFlushLog, TSystem::FlushLog> {
             DEFINE_SIMPLE_LOCAL_EVENT(TEvFlushLog, "System: TEvFlushLog")
         };
- 
+
         struct TEvCallbackException: public TEventPB<TEvCallbackException,
                                                       NActorsProto::TCallbackException,
                                                       TSystem::CallbackException> {
@@ -196,7 +196,7 @@ namespace NActors {
                 Record.SetExceptionMessage(msg);
             }
         };
- 
+
         struct TEvCallbackCompletion: public TEventPB<TEvCallbackCompletion,
                                                        NActorsProto::TActorId,
                                                        TSystem::CallbackCompletion> {
diff --git a/library/cpp/actors/core/executor_pool_basic.cpp b/library/cpp/actors/core/executor_pool_basic.cpp
index c77a329aa6..4dce16939a 100644
--- a/library/cpp/actors/core/executor_pool_basic.cpp
+++ b/library/cpp/actors/core/executor_pool_basic.cpp
@@ -144,7 +144,7 @@ namespace NActors {
                     }
                 }
             } else {
-                AtomicSet(threadCtx.WaitingFlag, TThreadCtx::WS_BLOCKED); 
+                AtomicSet(threadCtx.WaitingFlag, TThreadCtx::WS_BLOCKED);
                 do {
                     hpnow = GetCycleCountFast();
                     elapsed += hpnow - hpstart;
diff --git a/library/cpp/actors/core/hfunc.h b/library/cpp/actors/core/hfunc.h
index 6c843dd57b..26f3c65013 100644
--- a/library/cpp/actors/core/hfunc.h
+++ b/library/cpp/actors/core/hfunc.h
@@ -40,8 +40,8 @@
         typename TEvType::TPtr* x = reinterpret_cast<typename TEvType::TPtr*>(&ev); \
         HandleFunc(*x, ctx);                                                        \
         break;                                                                      \
-    } 
- 
+    }
+
 #define hTemplFunc(TEvType, HandleFunc)                                             \
     case TEvType::EventType: {                                                      \
         typename TEvType::TPtr* x = reinterpret_cast<typename TEvType::TPtr*>(&ev); \
diff --git a/library/cpp/actors/core/log.cpp b/library/cpp/actors/core/log.cpp
index 0117acb970..5f63b5af58 100644
--- a/library/cpp/actors/core/log.cpp
+++ b/library/cpp/actors/core/log.cpp
@@ -1,8 +1,8 @@
-#include "log.h" 
+#include "log.h"
 #include "log_settings.h"
- 
+
 #include <library/cpp/monlib/service/pages/templates.h>
- 
+
 static_assert(int(NActors::NLog::PRI_EMERG) == int(::TLOG_EMERG), "expect int(NActors::NLog::PRI_EMERG) == int(::TLOG_EMERG)");
 static_assert(int(NActors::NLog::PRI_ALERT) == int(::TLOG_ALERT), "expect int(NActors::NLog::PRI_ALERT) == int(::TLOG_ALERT)");
 static_assert(int(NActors::NLog::PRI_CRIT) == int(::TLOG_CRIT), "expect int(NActors::NLog::PRI_CRIT) == int(::TLOG_CRIT)");
@@ -12,7 +12,7 @@ static_assert(int(NActors::NLog::PRI_NOTICE) == int(::TLOG_NOTICE), "expect int(
 static_assert(int(NActors::NLog::PRI_INFO) == int(::TLOG_INFO), "expect int(NActors::NLog::PRI_INFO) == int(::TLOG_INFO)");
 static_assert(int(NActors::NLog::PRI_DEBUG) == int(::TLOG_DEBUG), "expect int(NActors::NLog::PRI_DEBUG) == int(::TLOG_DEBUG)");
 static_assert(int(NActors::NLog::PRI_TRACE) == int(::TLOG_RESOURCES), "expect int(NActors::NLog::PRI_TRACE) == int(::TLOG_RESOURCES)");
- 
+
 namespace {
     struct TRecordWithNewline {
         ELogPriority Priority;
@@ -32,7 +32,7 @@ namespace {
     };
 }
 
-namespace NActors { 
+namespace NActors {
 
     class TLoggerCounters : public ILoggerMetrics {
     public:
@@ -168,12 +168,12 @@ namespace NActors {
 
     TLoggerActor::TLoggerActor(TIntrusivePtr<NLog::TSettings> settings,
                                TAutoPtr<TLogBackend> logBackend,
-                               TIntrusivePtr<NMonitoring::TDynamicCounters> counters) 
-        : TActor(&TLoggerActor::StateFunc) 
-        , Settings(settings) 
+                               TIntrusivePtr<NMonitoring::TDynamicCounters> counters)
+        : TActor(&TLoggerActor::StateFunc)
+        , Settings(settings)
         , LogBackend(logBackend.Release())
         , Metrics(std::make_unique<TLoggerCounters>(counters))
-    { 
+    {
     }
 
     TLoggerActor::TLoggerActor(TIntrusivePtr<NLog::TSettings> settings,
@@ -204,25 +204,25 @@ namespace NActors {
         , LogBackend(logBackend)
         , Metrics(std::make_unique<TLoggerMetrics>(metrics))
     {
-    } 
- 
-    TLoggerActor::~TLoggerActor() { 
-    } 
- 
+    }
+
+    TLoggerActor::~TLoggerActor() {
+    }
+
     void TLoggerActor::Log(TInstant time, NLog::EPriority priority, NLog::EComponent component, const char* c, ...) {
         Metrics->IncDirectMsgs();
         if (Settings && Settings->Satisfies(priority, component, 0ull)) {
-            va_list params; 
+            va_list params;
             va_start(params, c);
             TString formatted;
-            vsprintf(formatted, c, params); 
- 
+            vsprintf(formatted, c, params);
+
             auto ok = OutputRecord(time, NLog::EPrio(priority), component, formatted);
             Y_UNUSED(ok);
             va_end(params);
-        } 
-    } 
- 
+        }
+    }
+
     void TLoggerActor::Throttle(const NLog::TSettings& settings) {
         if (AtomicGet(IsOverflow))
             Sleep(settings.ThrottleDelay);
@@ -241,7 +241,7 @@ namespace NActors {
         IgnoredCount = 0;
         PassedCount = 0;
     }
- 
+
     void TLoggerActor::HandleIgnoredEventDrop() {
         // logger backend is unavailable, just ignore
     }
@@ -295,8 +295,8 @@ namespace NActors {
         if (!OutputRecord(ev->Get()->Stamp, prio, ev->Get()->Component, ev->Get()->Line)) {
             BecomeDefunct();
         }
-    } 
- 
+    }
+
     void TLoggerActor::BecomeDefunct() {
         Become(&TThis::StateDefunct);
         Schedule(WakeupInterval, new TEvents::TEvWakeup);
@@ -306,11 +306,11 @@ namespace NActors {
         Metrics->IncLevelRequests();
         TString explanation;
         int code = Settings->SetLevel(ev->Get()->Priority, ev->Get()->Component, explanation);
-        ctx.Send(ev->Sender, new TLogComponentLevelResponse(code, explanation)); 
-    } 
- 
+        ctx.Send(ev->Sender, new TLogComponentLevelResponse(code, explanation));
+    }
+
     void TLoggerActor::RenderComponentPriorities(IOutputStream& str) {
-        using namespace NLog; 
+        using namespace NLog;
         HTML(str) {
             H4() {
                 str << "Priority Settings for the Components";
@@ -333,7 +333,7 @@ namespace NActors {
                     }
                 }
                 TABLEBODY() {
-                    for (EComponent i = Settings->MinVal; i < Settings->MaxVal; i++) { 
+                    for (EComponent i = Settings->MinVal; i < Settings->MaxVal; i++) {
                         auto name = Settings->ComponentName(i);
                         if (!*name)
                             continue;
@@ -353,19 +353,19 @@ namespace NActors {
                                 str << componentSettings.Raw.X.SamplingRate;
                             }
                         }
-                    } 
+                    }
                 }
             }
         }
-    } 
- 
-    /* 
-     * Logger INFO: 
-     * 1. Current priority settings from components 
-     * 2. Number of log messages (via actors events, directly) 
-     * 3. Number of messages per components, per priority 
-     * 4. Log level changes (last N changes) 
-     */ 
+    }
+
+    /*
+     * Logger INFO:
+     * 1. Current priority settings from components
+     * 2. Number of log messages (via actors events, directly)
+     * 3. Number of messages per components, per priority
+     * 4. Log level changes (last N changes)
+     */
     void TLoggerActor::HandleMonInfo(NMon::TEvHttpInfo::TPtr& ev, const TActorContext& ctx) {
         const auto& params = ev->Get()->Request.GetParams();
         NLog::EComponent component = NLog::InvalidComponent;
@@ -408,7 +408,7 @@ namespace NActors {
             }
         }
 
-        TStringStream str; 
+        TStringStream str;
         if (hasComponent && !hasPriority && !hasSamplingPriority && !hasSamplingRate) {
             NLog::TComponentSettings componentSettings = Settings->GetComponentSettings(component);
             ui32 samplingRate = componentSettings.Raw.X.SamplingRate;
@@ -568,10 +568,10 @@ namespace NActors {
                 Metrics->GetOutputHtml(str);
             }
         }
- 
-        ctx.Send(ev->Sender, new NMon::TEvHttpInfoRes(str.Str())); 
-    } 
- 
+
+        ctx.Send(ev->Sender, new NMon::TEvHttpInfoRes(str.Str()));
+    }
+
     constexpr size_t TimeBufSize = 512;
 
     bool TLoggerActor::OutputRecord(TInstant time, NLog::EPrio priority, NLog::EComponent component,
@@ -638,8 +638,8 @@ namespace NActors {
         return true;
     } catch (...) {
         return false;
-    } 
- 
+    }
+
     void TLoggerActor::HandleLogEventDrop(const NLog::TEvLog::TPtr& ev) {
         WriteMessageStat(*ev->Get());
         Metrics->IncDroppedMsgs();
@@ -659,15 +659,15 @@ namespace NActors {
 
     TAutoPtr<TLogBackend> CreateSysLogBackend(const TString& ident,
                                               bool logPError, bool logCons) {
-        int flags = 0; 
-        if (logPError) 
-            flags |= TSysLogBackend::LogPerror; 
-        if (logCons) 
-            flags |= TSysLogBackend::LogCons; 
- 
+        int flags = 0;
+        if (logPError)
+            flags |= TSysLogBackend::LogPerror;
+        if (logCons)
+            flags |= TSysLogBackend::LogCons;
+
         return new TSysLogBackend(ident.data(), TSysLogBackend::TSYSLOG_LOCAL1, flags);
-    } 
- 
+    }
+
     class TStderrBackend: public TLogBackend {
     public:
         TStderrBackend() {
diff --git a/library/cpp/actors/core/log.h b/library/cpp/actors/core/log.h
index 550cdb561c..c11a7cf3c1 100644
--- a/library/cpp/actors/core/log.h
+++ b/library/cpp/actors/core/log.h
@@ -1,29 +1,29 @@
-#pragma once 
+#pragma once
 
 #include "defs.h"
- 
+
 #include "log_iface.h"
-#include "log_settings.h" 
-#include "actorsystem.h" 
-#include "events.h" 
-#include "event_local.h" 
-#include "hfunc.h" 
-#include "mon.h" 
- 
-#include <util/generic/vector.h> 
-#include <util/string/printf.h> 
+#include "log_settings.h"
+#include "actorsystem.h"
+#include "events.h"
+#include "event_local.h"
+#include "hfunc.h"
+#include "mon.h"
+
+#include <util/generic/vector.h>
+#include <util/string/printf.h>
 #include <util/string/builder.h>
 #include <library/cpp/logger/all.h>
 #include <library/cpp/monlib/dynamic_counters/counters.h>
 #include <library/cpp/monlib/metrics/metric_registry.h>
 #include <library/cpp/json/writer/json.h>
 #include <library/cpp/svnversion/svnversion.h>
- 
+
 #include <library/cpp/actors/memory_log/memlog.h>
- 
-// TODO: limit number of messages per second 
-// TODO: make TLogComponentLevelRequest/Response network messages 
- 
+
+// TODO: limit number of messages per second
+// TODO: make TLogComponentLevelRequest/Response network messages
+
 #define IS_LOG_PRIORITY_ENABLED(actorCtxOrSystem, priority, component)                           \
     (static_cast<::NActors::NLog::TSettings*>((actorCtxOrSystem).LoggerSettings()) &&            \
      static_cast<::NActors::NLog::TSettings*>((actorCtxOrSystem).LoggerSettings())->Satisfies(   \
@@ -53,7 +53,7 @@
 #define LOG_LOG(actorCtxOrSystem, priority, component, ...) LOG_LOG_SAMPLED_BY(actorCtxOrSystem, priority, component, 0ull, __VA_ARGS__)
 #define LOG_LOG_S(actorCtxOrSystem, priority, component, stream) LOG_LOG_S_SAMPLED_BY(actorCtxOrSystem, priority, component, 0ull, stream)
 
-// use these macros for logging via actor system or actor context 
+// use these macros for logging via actor system or actor context
 #define LOG_EMERG(actorCtxOrSystem, component, ...) LOG_LOG(actorCtxOrSystem, NActors::NLog::PRI_EMERG, component, __VA_ARGS__)
 #define LOG_ALERT(actorCtxOrSystem, component, ...) LOG_LOG(actorCtxOrSystem, NActors::NLog::PRI_ALERT, component, __VA_ARGS__)
 #define LOG_CRIT(actorCtxOrSystem, component, ...) LOG_LOG(actorCtxOrSystem, NActors::NLog::PRI_CRIT, component, __VA_ARGS__)
@@ -63,7 +63,7 @@
 #define LOG_INFO(actorCtxOrSystem, component, ...) LOG_LOG(actorCtxOrSystem, NActors::NLog::PRI_INFO, component, __VA_ARGS__)
 #define LOG_DEBUG(actorCtxOrSystem, component, ...) LOG_LOG(actorCtxOrSystem, NActors::NLog::PRI_DEBUG, component, __VA_ARGS__)
 #define LOG_TRACE(actorCtxOrSystem, component, ...) LOG_LOG(actorCtxOrSystem, NActors::NLog::PRI_TRACE, component, __VA_ARGS__)
- 
+
 #define LOG_EMERG_S(actorCtxOrSystem, component, stream) LOG_LOG_S(actorCtxOrSystem, NActors::NLog::PRI_EMERG, component, stream)
 #define LOG_ALERT_S(actorCtxOrSystem, component, stream) LOG_LOG_S(actorCtxOrSystem, NActors::NLog::PRI_ALERT, component, stream)
 #define LOG_CRIT_S(actorCtxOrSystem, component, stream) LOG_LOG_S(actorCtxOrSystem, NActors::NLog::PRI_CRIT, component, stream)
@@ -94,14 +94,14 @@
 #define LOG_DEBUG_S_SAMPLED_BY(actorCtxOrSystem, component, sampleBy, stream) LOG_LOG_S_SAMPLED_BY(actorCtxOrSystem, NActors::NLog::PRI_DEBUG, component, sampleBy, stream)
 #define LOG_TRACE_S_SAMPLED_BY(actorCtxOrSystem, component, sampleBy, stream) LOG_LOG_S_SAMPLED_BY(actorCtxOrSystem, NActors::NLog::PRI_TRACE, component, sampleBy, stream)
 
-// Log Throttling 
-#define LOG_LOG_THROTTLE(throttler, actorCtxOrSystem, priority, component, ...) \ 
+// Log Throttling
+#define LOG_LOG_THROTTLE(throttler, actorCtxOrSystem, priority, component, ...) \
     do {                                                                        \
         if ((throttler).Kick()) {                                               \
             LOG_LOG(actorCtxOrSystem, priority, component, __VA_ARGS__);        \
         }                                                                       \
     } while (0) /**/
- 
+
 #define TRACE_EVENT(component)                                                                                                         \
     const auto& currentTracer = component;                                                                                             \
     if (ev->HasEvent()) {                                                                                                              \
@@ -113,68 +113,68 @@
     }
 #define TRACE_EVENT_TYPE(eventType) LOG_TRACE(*TlsActivationContext, currentTracer, "%s, processing event %s", __FUNCTION__, eventType)
 
-class TLog; 
-class TLogBackend; 
- 
-namespace NActors { 
-    class TLoggerActor; 
- 
-    //////////////////////////////////////////////////////////////////////////////// 
-    // SET LOG LEVEL FOR A COMPONENT 
-    //////////////////////////////////////////////////////////////////////////////// 
+class TLog;
+class TLogBackend;
+
+namespace NActors {
+    class TLoggerActor;
+
+    ////////////////////////////////////////////////////////////////////////////////
+    // SET LOG LEVEL FOR A COMPONENT
+    ////////////////////////////////////////////////////////////////////////////////
     class TLogComponentLevelRequest: public TEventLocal<TLogComponentLevelRequest, int(NLog::EEv::LevelReq)> {
-    public: 
-        // set given priority for the component 
-        TLogComponentLevelRequest(NLog::EPriority priority, NLog::EComponent component) 
-            : Priority(priority) 
-            , Component(component) 
-        { 
-        } 
- 
-        // set given priority for all components 
-        TLogComponentLevelRequest(NLog::EPriority priority) 
-            : Priority(priority) 
-            , Component(NLog::InvalidComponent) 
-        { 
-        } 
- 
-    protected: 
-        NLog::EPriority Priority; 
-        NLog::EComponent Component; 
- 
-        friend class TLoggerActor; 
-    }; 
- 
+    public:
+        // set given priority for the component
+        TLogComponentLevelRequest(NLog::EPriority priority, NLog::EComponent component)
+            : Priority(priority)
+            , Component(component)
+        {
+        }
+
+        // set given priority for all components
+        TLogComponentLevelRequest(NLog::EPriority priority)
+            : Priority(priority)
+            , Component(NLog::InvalidComponent)
+        {
+        }
+
+    protected:
+        NLog::EPriority Priority;
+        NLog::EComponent Component;
+
+        friend class TLoggerActor;
+    };
+
     class TLogComponentLevelResponse: public TEventLocal<TLogComponentLevelResponse, int(NLog::EEv::LevelResp)> {
-    public: 
+    public:
         TLogComponentLevelResponse(int code, const TString& explanation)
-            : Code(code) 
-            , Explanation(explanation) 
-        { 
-        } 
- 
-        int GetCode() const { 
-            return Code; 
-        } 
- 
+            : Code(code)
+            , Explanation(explanation)
+        {
+        }
+
+        int GetCode() const {
+            return Code;
+        }
+
         const TString& GetExplanation() const {
-            return Explanation; 
-        } 
- 
-    protected: 
-        int Code; 
+            return Explanation;
+        }
+
+    protected:
+        int Code;
         TString Explanation;
-    }; 
- 
+    };
+
     class TLogIgnored: public TEventLocal<TLogIgnored, int(NLog::EEv::Ignored)> {
     public:
         TLogIgnored() {
         }
     };
 
-    //////////////////////////////////////////////////////////////////////////////// 
-    // LOGGER ACTOR 
-    //////////////////////////////////////////////////////////////////////////////// 
+    ////////////////////////////////////////////////////////////////////////////////
+    // LOGGER ACTOR
+    ////////////////////////////////////////////////////////////////////////////////
     class ILoggerMetrics {
     public:
         virtual ~ILoggerMetrics() = default;
@@ -191,14 +191,14 @@ namespace NActors {
     };
 
     class TLoggerActor: public TActor<TLoggerActor> {
-    public: 
+    public:
         static constexpr IActor::EActivityType ActorActivityType() {
             return IActor::LOG_ACTOR;
         }
 
         TLoggerActor(TIntrusivePtr<NLog::TSettings> settings,
                      TAutoPtr<TLogBackend> logBackend,
-                     TIntrusivePtr<NMonitoring::TDynamicCounters> counters); 
+                     TIntrusivePtr<NMonitoring::TDynamicCounters> counters);
         TLoggerActor(TIntrusivePtr<NLog::TSettings> settings,
                      std::shared_ptr<TLogBackend> logBackend,
                      TIntrusivePtr<NMonitoring::TDynamicCounters> counters);
@@ -208,17 +208,17 @@ namespace NActors {
         TLoggerActor(TIntrusivePtr<NLog::TSettings> settings,
                      std::shared_ptr<TLogBackend> logBackend,
                      std::shared_ptr<NMonitoring::TMetricRegistry> metrics);
-        ~TLoggerActor(); 
- 
+        ~TLoggerActor();
+
         void StateFunc(TAutoPtr<IEventHandle>& ev, const TActorContext& ctx) {
-            switch (ev->GetTypeRewrite()) { 
+            switch (ev->GetTypeRewrite()) {
                 HFunc(TLogIgnored, HandleIgnoredEvent);
                 HFunc(NLog::TEvLog, HandleLogEvent);
-                HFunc(TLogComponentLevelRequest, HandleLogComponentLevelRequest); 
-                HFunc(NMon::TEvHttpInfo, HandleMonInfo); 
-            } 
-        } 
- 
+                HFunc(TLogComponentLevelRequest, HandleLogComponentLevelRequest);
+                HFunc(NMon::TEvHttpInfo, HandleMonInfo);
+            }
+        }
+
         STFUNC(StateDefunct) {
             switch (ev->GetTypeRewrite()) {
                 cFunc(TLogIgnored::EventType, HandleIgnoredEventDrop);
@@ -229,20 +229,20 @@ namespace NActors {
             }
         }
 
-        // Directly call logger instead of sending a message 
+        // Directly call logger instead of sending a message
         void Log(TInstant time, NLog::EPriority priority, NLog::EComponent component, const char* c, ...);
- 
+
         static void Throttle(const NLog::TSettings& settings);
 
-    private: 
-        TIntrusivePtr<NLog::TSettings> Settings; 
+    private:
+        TIntrusivePtr<NLog::TSettings> Settings;
         std::shared_ptr<TLogBackend> LogBackend;
         ui64 IgnoredCount = 0;
         ui64 PassedCount = 0;
         static TAtomic IsOverflow;
         TDuration WakeupInterval{TDuration::Seconds(5)};
         std::unique_ptr<ILoggerMetrics> Metrics;
- 
+
         void BecomeDefunct();
         void HandleIgnoredEvent(TLogIgnored::TPtr& ev, const NActors::TActorContext& ctx);
         void HandleIgnoredEventDrop();
@@ -256,51 +256,51 @@ namespace NActors {
         void LogIgnoredCount(TInstant now);
         void WriteMessageStat(const NLog::TEvLog& ev);
         static const char* FormatLocalTimestamp(TInstant time, char* buf);
-    }; 
- 
-    //////////////////////////////////////////////////////////////////////////////// 
-    // LOG THROTTLING 
-    // TTrivialLogThrottler -- log a message every 'period' duration 
-    // Use case: 
-    //  TTrivialLogThrottler throttler(TDuration::Minutes(1)); 
-    //  .... 
-    //  LOG_LOG_THROTTLE(throttler, ctx, NActors::NLog::PRI_ERROR, SOME, "Error"); 
-    //////////////////////////////////////////////////////////////////////////////// 
-    class TTrivialLogThrottler { 
-    public: 
-        TTrivialLogThrottler(TDuration period) 
-            : Period(period) 
+    };
+
+    ////////////////////////////////////////////////////////////////////////////////
+    // LOG THROTTLING
+    // TTrivialLogThrottler -- log a message every 'period' duration
+    // Use case:
+    //  TTrivialLogThrottler throttler(TDuration::Minutes(1));
+    //  ....
+    //  LOG_LOG_THROTTLE(throttler, ctx, NActors::NLog::PRI_ERROR, SOME, "Error");
+    ////////////////////////////////////////////////////////////////////////////////
+    class TTrivialLogThrottler {
+    public:
+        TTrivialLogThrottler(TDuration period)
+            : Period(period)
         {
         }
- 
-        // return value: 
-        // true -- write to log 
-        // false -- don't write to log, throttle 
-        bool Kick() { 
-            auto now = TInstant::Now(); 
-            if (now >= (LastWrite + Period)) { 
-                LastWrite = now; 
-                return true; 
-            } else { 
-                return false; 
-            } 
-        } 
- 
-    private: 
-        TInstant LastWrite; 
-        TDuration Period; 
-    }; 
- 
-    //////////////////////////////////////////////////////////////////////////////// 
-    // SYSLOG BACKEND 
-    //////////////////////////////////////////////////////////////////////////////// 
+
+        // return value:
+        // true -- write to log
+        // false -- don't write to log, throttle
+        bool Kick() {
+            auto now = TInstant::Now();
+            if (now >= (LastWrite + Period)) {
+                LastWrite = now;
+                return true;
+            } else {
+                return false;
+            }
+        }
+
+    private:
+        TInstant LastWrite;
+        TDuration Period;
+    };
+
+    ////////////////////////////////////////////////////////////////////////////////
+    // SYSLOG BACKEND
+    ////////////////////////////////////////////////////////////////////////////////
     TAutoPtr<TLogBackend> CreateSysLogBackend(const TString& ident,
                                               bool logPError, bool logCons);
     TAutoPtr<TLogBackend> CreateStderrBackend();
     TAutoPtr<TLogBackend> CreateFileBackend(const TString& fileName);
     TAutoPtr<TLogBackend> CreateNullBackend();
     TAutoPtr<TLogBackend> CreateCompositeLogBackend(TVector<TAutoPtr<TLogBackend>>&& underlyingBackends);
- 
+
     /////////////////////////////////////////////////////////////////////
     //  Logging adaptors for memory log and logging into filesystem
     /////////////////////////////////////////////////////////////////////
@@ -312,7 +312,7 @@ namespace NActors {
             vsprintf(dst, format, params);
             va_end(params);
         }
- 
+
         inline void PrintfV(TString& dst, const char* format, va_list params) {
             vsprintf(dst, format, params);
         }
@@ -324,8 +324,8 @@ namespace NActors {
         const NLog::TSettings *mSettings = ctx.LoggerSettings();
         TLoggerActor::Throttle(*mSettings);
         ctx.Send(new IEventHandle(mSettings->LoggerActorId, TActorId(), new NLog::TEvLog(mPriority, mComponent, std::move(str))));
-    } 
- 
+    }
+
     template <typename TCtx, typename... TArgs>
     inline void MemLogAdapter(
         TCtx& actorCtxOrSystem,
@@ -342,7 +342,7 @@ namespace NActors {
         }
 
         MemLogWrite(Formatted.data(), Formatted.size(), true);
-        DeliverLogMessage(actorCtxOrSystem, mPriority, mComponent, std::move(Formatted)); 
+        DeliverLogMessage(actorCtxOrSystem, mPriority, mComponent, std::move(Formatted));
     }
 
     template <typename TCtx>
@@ -351,19 +351,19 @@ namespace NActors {
         NLog::EPriority mPriority,
         NLog::EComponent mComponent,
         const TString& str) {
- 
+
+        MemLogWrite(str.data(), str.size(), true);
+        DeliverLogMessage(actorCtxOrSystem, mPriority, mComponent, TString(str));
+    }
+
+    template <typename TCtx>
+    Y_WRAPPER inline void MemLogAdapter(
+        TCtx& actorCtxOrSystem,
+        NLog::EPriority mPriority,
+        NLog::EComponent mComponent,
+        TString&& str) {
+
         MemLogWrite(str.data(), str.size(), true);
-        DeliverLogMessage(actorCtxOrSystem, mPriority, mComponent, TString(str)); 
-    } 
-
-    template <typename TCtx> 
-    Y_WRAPPER inline void MemLogAdapter( 
-        TCtx& actorCtxOrSystem, 
-        NLog::EPriority mPriority, 
-        NLog::EComponent mComponent, 
-        TString&& str) { 
- 
-        MemLogWrite(str.data(), str.size(), true); 
-        DeliverLogMessage(actorCtxOrSystem, mPriority, mComponent, std::move(str)); 
+        DeliverLogMessage(actorCtxOrSystem, mPriority, mComponent, std::move(str));
     }
 }
diff --git a/library/cpp/actors/core/log_iface.h b/library/cpp/actors/core/log_iface.h
index 7fbf38c6d6..b331db9ca8 100644
--- a/library/cpp/actors/core/log_iface.h
+++ b/library/cpp/actors/core/log_iface.h
@@ -75,18 +75,18 @@ namespace NActors {
 
         class TEvLog: public TEventLocal<TEvLog, int(EEv::Log)> {
         public:
-            TEvLog(TInstant stamp, TLevel level, EComponent comp, const TString &line) 
+            TEvLog(TInstant stamp, TLevel level, EComponent comp, const TString &line)
+                : Stamp(stamp)
+                , Level(level)
+                , Component(comp)
+                , Line(line)
+            {
+            }
+
+            TEvLog(TInstant stamp, TLevel level, EComponent comp, TString &&line)
                 : Stamp(stamp)
                 , Level(level)
                 , Component(comp)
-                , Line(line) 
-            { 
-            } 
- 
-            TEvLog(TInstant stamp, TLevel level, EComponent comp, TString &&line) 
-                : Stamp(stamp) 
-                , Level(level) 
-                , Component(comp) 
                 , Line(std::move(line))
             {
             }
diff --git a/library/cpp/actors/core/log_settings.cpp b/library/cpp/actors/core/log_settings.cpp
index 1b76f83cbc..f52f2fc5d2 100644
--- a/library/cpp/actors/core/log_settings.cpp
+++ b/library/cpp/actors/core/log_settings.cpp
@@ -1,44 +1,44 @@
-#include "log_settings.h" 
- 
-#include <util/stream/str.h> 
- 
-namespace NActors { 
-    namespace NLog { 
+#include "log_settings.h"
+
+#include <util/stream/str.h>
+
+namespace NActors {
+    namespace NLog {
         TSettings::TSettings(const TActorId& loggerActorId, const EComponent loggerComponent,
                              EComponent minVal, EComponent maxVal, EComponentToStringFunc func,
                              EPriority defPriority, EPriority defSamplingPriority,
                              ui32 defSamplingRate, ui64 timeThresholdMs)
-            : LoggerActorId(loggerActorId) 
+            : LoggerActorId(loggerActorId)
             , LoggerComponent(loggerComponent)
             , TimeThresholdMs(timeThresholdMs)
             , AllowDrop(true)
             , ThrottleDelay(TDuration::MilliSeconds(100))
-            , MinVal(0) 
-            , MaxVal(0) 
-            , Mask(0) 
-            , DefPriority(defPriority) 
+            , MinVal(0)
+            , MaxVal(0)
+            , Mask(0)
+            , DefPriority(defPriority)
             , DefSamplingPriority(defSamplingPriority)
             , DefSamplingRate(defSamplingRate)
             , UseLocalTimestamps(false)
             , Format(PLAIN_FULL_FORMAT)
             , ShortHostName("")
             , ClusterName("")
-        { 
-            Append(minVal, maxVal, func); 
-        } 
- 
+        {
+            Append(minVal, maxVal, func);
+        }
+
         TSettings::TSettings(const TActorId& loggerActorId, const EComponent loggerComponent,
                              EPriority defPriority, EPriority defSamplingPriority,
                              ui32 defSamplingRate, ui64 timeThresholdMs)
-            : LoggerActorId(loggerActorId) 
+            : LoggerActorId(loggerActorId)
             , LoggerComponent(loggerComponent)
             , TimeThresholdMs(timeThresholdMs)
             , AllowDrop(true)
             , ThrottleDelay(TDuration::MilliSeconds(100))
-            , MinVal(0) 
-            , MaxVal(0) 
-            , Mask(0) 
-            , DefPriority(defPriority) 
+            , MinVal(0)
+            , MaxVal(0)
+            , Mask(0)
+            , DefPriority(defPriority)
             , DefSamplingPriority(defSamplingPriority)
             , DefSamplingRate(defSamplingRate)
             , UseLocalTimestamps(false)
@@ -47,8 +47,8 @@ namespace NActors {
             , ClusterName("")
         {
         }
- 
-        void TSettings::Append(EComponent minVal, EComponent maxVal, EComponentToStringFunc func) { 
+
+        void TSettings::Append(EComponent minVal, EComponent maxVal, EComponentToStringFunc func) {
             Y_VERIFY(minVal >= 0, "NLog::TSettings: minVal must be non-negative");
             Y_VERIFY(maxVal > minVal, "NLog::TSettings: maxVal must be greater than minVal");
 
@@ -78,30 +78,30 @@ namespace NActors {
 
                 ComponentNames.resize(Mask + 1);
             }
- 
+
             // assign new names but validate if newly added members were not used before
-            for (int i = minVal; i <= maxVal; i++) { 
+            for (int i = minVal; i <= maxVal; i++) {
                 Y_VERIFY(!ComponentNames[i], "component name at %d already set: %s",
                     i, ComponentNames[i].data());
-                ComponentNames[i] = func(i); 
-            } 
-        } 
- 
+                ComponentNames[i] = func(i);
+            }
+        }
+
         int TSettings::SetLevelImpl(
             const TString& name, bool isSampling,
             EPriority priority, EComponent component, TString& explanation) {
             TString titleName(name);
             titleName.to_title();
 
-            // check priority 
-            if (!IsValidPriority(priority)) { 
+            // check priority
+            if (!IsValidPriority(priority)) {
                 TStringStream str;
                 str << "Invalid " << name;
                 explanation = str.Str();
-                return 1; 
-            } 
- 
-            if (component == InvalidComponent) { 
+                return 1;
+            }
+
+            if (component == InvalidComponent) {
                 for (int i = 0; i < Mask + 1; i++) {
                     TComponentSettings settings = AtomicGet(ComponentInfo[i]);
                     if (isSampling) {
@@ -118,12 +118,12 @@ namespace NActors {
                     << " for all components has been changed to "
                     << PriorityToString(EPrio(priority));
                 explanation = str.Str();
-                return 0; 
-            } else { 
-                if (!IsValidComponent(component)) { 
-                    explanation = "Invalid component"; 
-                    return 1; 
-                } 
+                return 0;
+            } else {
+                if (!IsValidComponent(component)) {
+                    explanation = "Invalid component";
+                    return 1;
+                }
                 TComponentSettings settings = AtomicGet(ComponentInfo[component]);
                 EPriority oldPriority;
                 if (isSampling) {
@@ -134,15 +134,15 @@ namespace NActors {
                     settings.Raw.X.Level = priority;
                 }
                 AtomicSet(ComponentInfo[component], settings.Raw.Data);
-                TStringStream str; 
+                TStringStream str;
                 str << titleName << " for the component " << ComponentNames[component]
                     << " has been changed from " << PriorityToString(EPrio(oldPriority))
                     << " to " << PriorityToString(EPrio(priority));
-                explanation = str.Str(); 
-                return 0; 
-            } 
-        } 
- 
+                explanation = str.Str();
+                return 0;
+            }
+        }
+
         int TSettings::SetLevel(EPriority priority, EComponent component, TString& explanation) {
             return SetLevelImpl("priority", false,
                                 priority, component, explanation);
@@ -181,26 +181,26 @@ namespace NActors {
             return 0;
         }
 
-        int TSettings::PowerOf2Mask(int val) { 
-            int mask = 1; 
-            while ((val & mask) != val) { 
-                mask <<= 1; 
-                mask |= 1; 
-            } 
-            return mask; 
-        } 
- 
-        bool TSettings::IsValidPriority(EPriority priority) { 
-            return priority == PRI_EMERG || priority == PRI_ALERT || 
+        int TSettings::PowerOf2Mask(int val) {
+            int mask = 1;
+            while ((val & mask) != val) {
+                mask <<= 1;
+                mask |= 1;
+            }
+            return mask;
+        }
+
+        bool TSettings::IsValidPriority(EPriority priority) {
+            return priority == PRI_EMERG || priority == PRI_ALERT ||
                    priority == PRI_CRIT || priority == PRI_ERROR ||
                    priority == PRI_WARN || priority == PRI_NOTICE ||
                    priority == PRI_INFO || priority == PRI_DEBUG || priority == PRI_TRACE;
-        } 
- 
-        bool TSettings::IsValidComponent(EComponent component) { 
+        }
+
+        bool TSettings::IsValidComponent(EComponent component) {
             return (MinVal <= component) && (component <= MaxVal) && !ComponentNames[component].empty();
-        } 
- 
+        }
+
         void TSettings::SetAllowDrop(bool val) {
             AllowDrop = val;
         }
@@ -226,5 +226,5 @@ namespace NActors {
         }
 
     }
- 
+
 }
diff --git a/library/cpp/actors/core/log_settings.h b/library/cpp/actors/core/log_settings.h
index 4676da0dee..7fe4504edd 100644
--- a/library/cpp/actors/core/log_settings.h
+++ b/library/cpp/actors/core/log_settings.h
@@ -1,15 +1,15 @@
-#pragma once 
- 
-#include "actor.h" 
+#pragma once
+
+#include "actor.h"
 #include "log_iface.h"
-#include <util/generic/vector.h> 
+#include <util/generic/vector.h>
 #include <util/digest/murmur.h>
 #include <util/random/easy.h>
- 
-namespace NActors { 
-    namespace NLog { 
+
+namespace NActors {
+    namespace NLog {
         inline const char* PriorityToString(EPrio priority) {
-            switch (priority) { 
+            switch (priority) {
                 case EPrio::Emerg:
                     return "EMERG";
                 case EPrio::Alert:
@@ -30,21 +30,21 @@ namespace NActors {
                     return "TRACE";
                 default:
                     return "UNKNOWN";
-            } 
-        } 
- 
-        // You can structure your program to have multiple logical components. 
-        // In this case you can set different log priorities for different 
-        // components. And you can change component's priority while system 
-        // is running. Suspect a component has a bug? Turn DEBUG priority level on 
-        // for this component. 
-        static const int InvalidComponent = -1; 
- 
-        // Functions converts EComponent id to string 
+            }
+        }
+
+        // You can structure your program to have multiple logical components.
+        // In this case you can set different log priorities for different
+        // components. And you can change component's priority while system
+        // is running. Suspect a component has a bug? Turn DEBUG priority level on
+        // for this component.
+        static const int InvalidComponent = -1;
+
+        // Functions converts EComponent id to string
         using EComponentToStringFunc = std::function<const TString&(EComponent)>;
         ;
- 
-        // Log settings 
+
+        // Log settings
         struct TComponentSettings {
             union {
                 struct {
@@ -76,14 +76,14 @@ namespace NActors {
             TDuration ThrottleDelay;
             TArrayHolder<TAtomic> ComponentInfo;
             TVector<TString> ComponentNames;
-            EComponent MinVal; 
-            EComponent MaxVal; 
-            EComponent Mask; 
-            EPriority DefPriority; 
+            EComponent MinVal;
+            EComponent MaxVal;
+            EComponent Mask;
+            EPriority DefPriority;
             EPriority DefSamplingPriority;
             ui32 DefSamplingRate;
             bool UseLocalTimestamps;
- 
+
             enum ELogFormat {
                 PLAIN_FULL_FORMAT,
                 PLAIN_SHORT_FORMAT,
@@ -94,21 +94,21 @@ namespace NActors {
             TString ClusterName;
             TString MessagePrefix;
 
-            // The best way to provide minVal, maxVal and func is to have 
-            // protobuf enumeration of components. In this case protoc 
-            // automatically generates YOURTYPE_MIN, YOURTYPE_MAX and 
-            // YOURTYPE_Name for you. 
+            // The best way to provide minVal, maxVal and func is to have
+            // protobuf enumeration of components. In this case protoc
+            // automatically generates YOURTYPE_MIN, YOURTYPE_MAX and
+            // YOURTYPE_Name for you.
             TSettings(const TActorId& loggerActorId, const EComponent loggerComponent,
                       EComponent minVal, EComponent maxVal, EComponentToStringFunc func,
                       EPriority defPriority, EPriority defSamplingPriority = PRI_DEBUG,
                       ui32 defSamplingRate = 0, ui64 timeThresholdMs = 1000);
- 
+
             TSettings(const TActorId& loggerActorId, const EComponent loggerComponent,
                       EPriority defPriority, EPriority defSamplingPriority = PRI_DEBUG,
                       ui32 defSamplingRate = 0, ui64 timeThresholdMs = 1000);
 
-            void Append(EComponent minVal, EComponent maxVal, EComponentToStringFunc func); 
- 
+            void Append(EComponent minVal, EComponent maxVal, EComponentToStringFunc func);
+
             template <typename T>
             void Append(T minVal, T maxVal, const TString& (*func)(T)) {
                 Append(
@@ -121,7 +121,7 @@ namespace NActors {
             }
 
             inline bool Satisfies(EPriority priority, EComponent component, ui64 sampleBy = 0) const {
-                // by using Mask we don't get outside of array boundaries 
+                // by using Mask we don't get outside of array boundaries
                 TComponentSettings settings = GetComponentSettings(component);
                 if (priority > settings.Raw.X.Level) {
                     if (priority > settings.Raw.X.SamplingLevel) {
@@ -141,8 +141,8 @@ namespace NActors {
                     // priority <= log level ==> log
                     return true;
                 }
-            } 
- 
+            }
+
             inline TComponentSettings GetComponentSettings(EComponent component) const {
                 Y_VERIFY_DEBUG((component & Mask) == component);
                 // by using Mask we don't get outside of array boundaries
@@ -152,15 +152,15 @@ namespace NActors {
             const char* ComponentName(EComponent component) const {
                 Y_VERIFY_DEBUG((component & Mask) == component);
                 return ComponentNames[component & Mask].data();
-            } 
- 
+            }
+
             int SetLevel(EPriority priority, EComponent component, TString& explanation);
             int SetSamplingLevel(EPriority priority, EComponent component, TString& explanation);
             int SetSamplingRate(ui32 sampling, EComponent component, TString& explanation);
             EComponent FindComponent(const TStringBuf& componentName) const;
-            static int PowerOf2Mask(int val); 
-            static bool IsValidPriority(EPriority priority); 
-            bool IsValidComponent(EComponent component); 
+            static int PowerOf2Mask(int val);
+            static bool IsValidPriority(EPriority priority);
+            bool IsValidComponent(EComponent component);
             void SetAllowDrop(bool val);
             void SetThrottleDelay(TDuration value);
             void SetUseLocalTimestamps(bool value);
@@ -169,8 +169,8 @@ namespace NActors {
             int SetLevelImpl(
                 const TString& name, bool isSampling,
                 EPriority priority, EComponent component, TString& explanation);
-        }; 
- 
+        };
+
     }
- 
+
 }
diff --git a/library/cpp/actors/core/mon.h b/library/cpp/actors/core/mon.h
index 3c050bad2a..c450f2338e 100644
--- a/library/cpp/actors/core/mon.h
+++ b/library/cpp/actors/core/mon.h
@@ -1,32 +1,32 @@
-#pragma once 
- 
-#include "events.h" 
-#include "event_local.h" 
+#pragma once
+
+#include "events.h"
+#include "event_local.h"
 #include <library/cpp/monlib/service/monservice.h>
 #include <library/cpp/monlib/service/pages/mon_page.h>
- 
-namespace NActors { 
-    namespace NMon { 
-        enum { 
-            HttpInfo = EventSpaceBegin(NActors::TEvents::ES_MON), 
-            HttpInfoRes, 
+
+namespace NActors {
+    namespace NMon {
+        enum {
+            HttpInfo = EventSpaceBegin(NActors::TEvents::ES_MON),
+            HttpInfoRes,
             RemoteHttpInfo,
             RemoteHttpInfoRes,
             RemoteJsonInfoRes,
             RemoteBinaryInfoRes,
-            End 
-        }; 
- 
+            End
+        };
+
         static_assert(End < EventSpaceEnd(NActors::TEvents::ES_MON), "expect End < EventSpaceEnd(NActors::TEvents::ES_MON)");
- 
-        // request info from an actor in HTML format 
+
+        // request info from an actor in HTML format
         struct TEvHttpInfo: public NActors::TEventLocal<TEvHttpInfo, HttpInfo> {
             TEvHttpInfo(const NMonitoring::IMonHttpRequest& request, int subReqId = 0)
-                : Request(request) 
-                , SubRequestId(subReqId) 
-            { 
-            } 
- 
+                : Request(request)
+                , SubRequestId(subReqId)
+            {
+            }
+
             TEvHttpInfo(const NMonitoring::IMonHttpRequest& request, const TString& userToken)
                 : Request(request)
                 , UserToken(userToken)
@@ -36,49 +36,49 @@ namespace NActors {
 
             const NMonitoring::IMonHttpRequest& Request;
             TString UserToken; // built and serialized
-            // SubRequestId != 0 means that we assemble reply from multiple parts and SubRequestId contains this part id 
-            int SubRequestId; 
-        }; 
- 
-        // base class for HTTP info response 
+            // SubRequestId != 0 means that we assemble reply from multiple parts and SubRequestId contains this part id
+            int SubRequestId;
+        };
+
+        // base class for HTTP info response
         struct IEvHttpInfoRes: public NActors::TEventLocal<IEvHttpInfoRes, HttpInfoRes> {
             enum EContentType {
                 Html,
                 Custom,
             };
 
-            IEvHttpInfoRes() { 
-            } 
- 
-            virtual ~IEvHttpInfoRes() { 
-            } 
- 
+            IEvHttpInfoRes() {
+            }
+
+            virtual ~IEvHttpInfoRes() {
+            }
+
             virtual void Output(IOutputStream& out) const = 0;
             virtual EContentType GetContentType() const = 0;
-        }; 
- 
+        };
+
         // Ready to output HTML in TString
         struct TEvHttpInfoRes: public IEvHttpInfoRes {
             TEvHttpInfoRes(const TString& answer, int subReqId = 0, EContentType contentType = Html)
-                : Answer(answer) 
-                , SubRequestId(subReqId) 
+                : Answer(answer)
+                , SubRequestId(subReqId)
                 , ContentType(contentType)
-            { 
-            } 
- 
+            {
+            }
+
             void Output(IOutputStream& out) const override {
-                out << Answer; 
-            } 
- 
+                out << Answer;
+            }
+
             EContentType GetContentType() const override {
                 return ContentType;
             }
 
             const TString Answer;
-            const int SubRequestId; 
+            const int SubRequestId;
             const EContentType ContentType;
-        }; 
- 
+        };
+
         struct TEvRemoteHttpInfo: public NActors::TEventBase<TEvRemoteHttpInfo, RemoteHttpInfo> {
             TEvRemoteHttpInfo() {
             }
@@ -230,5 +230,5 @@ namespace NActors {
         };
 
     }
- 
+
 }
diff --git a/library/cpp/actors/core/process_stats.cpp b/library/cpp/actors/core/process_stats.cpp
index 61ebcabc9c..0e1dbd0031 100644
--- a/library/cpp/actors/core/process_stats.cpp
+++ b/library/cpp/actors/core/process_stats.cpp
@@ -76,7 +76,7 @@ namespace NActors {
                 CStime /= tickPerMillisec;
                 SystemUptime = ::Uptime();
                 Uptime = SystemUptime - TDuration::MilliSeconds(StartTime / TicksPerMillisec());
-            } 
+            }
 
             TFileInput statm("/proc/" + strPid + "/statm");
             statm.ReadLine(str);
@@ -122,7 +122,7 @@ namespace NActors {
         long sz = sysconf(_SC_PAGESIZE);
         return sz;
     }
- 
+
 #else
 
     bool TProcStat::Fill(pid_t pid) {
@@ -133,7 +133,7 @@ namespace NActors {
     long TProcStat::ObtainPageSize() {
         return 0;
     }
- 
+
 #endif
 
 namespace {
diff --git a/library/cpp/actors/core/ya.make b/library/cpp/actors/core/ya.make
index 19d643ecce..880a9d00db 100644
--- a/library/cpp/actors/core/ya.make
+++ b/library/cpp/actors/core/ya.make
@@ -67,10 +67,10 @@ SRCS(
     io_dispatcher.cpp
     io_dispatcher.h
     lease.h
-    log.cpp 
-    log.h 
-    log_settings.cpp 
-    log_settings.h 
+    log.cpp
+    log.h
+    log_settings.cpp
+    log_settings.h
     mailbox.cpp
     mailbox.h
     mailbox_queue_revolving.h
@@ -79,7 +79,7 @@ SRCS(
     memory_track.h
     memory_tracker.cpp
     memory_tracker.h
-    mon.h 
+    mon.h
     mon_stats.h
     monotonic.cpp
     monotonic.h
diff --git a/library/cpp/actors/dnscachelib/dnscache.h b/library/cpp/actors/dnscachelib/dnscache.h
index 8bf77444f7..3313a251a1 100644
--- a/library/cpp/actors/dnscachelib/dnscache.h
+++ b/library/cpp/actors/dnscachelib/dnscache.h
@@ -23,7 +23,7 @@ public:
 
     TString GetHostByAddr(const NAddr::IRemoteAddr&);
 
-    // ip in network byte order 
+    // ip in network byte order
     TIpHost Get(const TString& host);
 
     /* use with AF_INET, AF_INET6 or AF_UNSPEC */
diff --git a/library/cpp/actors/helpers/activeactors.cpp b/library/cpp/actors/helpers/activeactors.cpp
index c49c37b230..145e97dc57 100644
--- a/library/cpp/actors/helpers/activeactors.cpp
+++ b/library/cpp/actors/helpers/activeactors.cpp
@@ -1,2 +1,2 @@
-#include "activeactors.h" 
- 
+#include "activeactors.h"
+
diff --git a/library/cpp/actors/helpers/activeactors.h b/library/cpp/actors/helpers/activeactors.h
index 43ad640dd6..0fdb0fab10 100644
--- a/library/cpp/actors/helpers/activeactors.h
+++ b/library/cpp/actors/helpers/activeactors.h
@@ -2,41 +2,41 @@
 
 #include <library/cpp/actors/core/actor.h>
 #include <library/cpp/actors/core/events.h>
-#include <util/generic/hash_set.h> 
+#include <util/generic/hash_set.h>
 
-namespace NActors { 
+namespace NActors {
 
-    //////////////////////////////////////////////////////////////////////////// 
-    // TActiveActors 
-    // This class helps manage created actors and kill them all on PoisonPill. 
-    //////////////////////////////////////////////////////////////////////////// 
+    ////////////////////////////////////////////////////////////////////////////
+    // TActiveActors
+    // This class helps manage created actors and kill them all on PoisonPill.
+    ////////////////////////////////////////////////////////////////////////////
     class TActiveActors : public THashSet<TActorId> {
-    public: 
+    public:
         void Insert(const TActorId &aid) {
-            bool inserted = insert(aid).second; 
-            Y_VERIFY(inserted); 
-        } 
- 
-        void Insert(const TActiveActors &moreActors) { 
-            for (const auto &aid : moreActors) { 
-                Insert(aid); 
-            } 
-        } 
- 
+            bool inserted = insert(aid).second;
+            Y_VERIFY(inserted);
+        }
+
+        void Insert(const TActiveActors &moreActors) {
+            for (const auto &aid : moreActors) {
+                Insert(aid);
+            }
+        }
+
         void Erase(const TActorId &aid) {
-            auto num = erase(aid); 
-            Y_VERIFY(num == 1); 
-        } 
- 
-        size_t KillAndClear(const TActorContext &ctx) { 
-            size_t s = size(); // number of actors managed 
-            for (const auto &x: *this) { 
-                ctx.Send(x, new TEvents::TEvPoisonPill()); 
-            } 
-            clear(); 
-            return s; // how many actors we killed 
-        } 
-    }; 
- 
+            auto num = erase(aid);
+            Y_VERIFY(num == 1);
+        }
+
+        size_t KillAndClear(const TActorContext &ctx) {
+            size_t s = size(); // number of actors managed
+            for (const auto &x: *this) {
+                ctx.Send(x, new TEvents::TEvPoisonPill());
+            }
+            clear();
+            return s; // how many actors we killed
+        }
+    };
+
 } // NKikimr
- 
+
diff --git a/library/cpp/actors/helpers/ya.make b/library/cpp/actors/helpers/ya.make
index 2c31d5190a..d8771179de 100644
--- a/library/cpp/actors/helpers/ya.make
+++ b/library/cpp/actors/helpers/ya.make
@@ -3,8 +3,8 @@ LIBRARY()
 OWNER(g:kikimr)
 
 SRCS(
-    activeactors.cpp 
-    activeactors.h 
+    activeactors.cpp
+    activeactors.h
     flow_controlled_queue.cpp
     flow_controlled_queue.h
     future_callback.h
diff --git a/library/cpp/actors/interconnect/interconnect_stream.h b/library/cpp/actors/interconnect/interconnect_stream.h
index 1e8e9323cf..074adc6e74 100644
--- a/library/cpp/actors/interconnect/interconnect_stream.h
+++ b/library/cpp/actors/interconnect/interconnect_stream.h
@@ -77,7 +77,7 @@ namespace NInterconnect {
         ~TSecureSocketContext();
 
     public:
-        using TPtr = std::shared_ptr<TSecureSocketContext>; 
+        using TPtr = std::shared_ptr<TSecureSocketContext>;
     };
 
     class TSecureSocket : public TStreamSocket {
diff --git a/library/cpp/actors/util/affinity.h b/library/cpp/actors/util/affinity.h
index 781fe10084..ae106ed180 100644
--- a/library/cpp/actors/util/affinity.h
+++ b/library/cpp/actors/util/affinity.h
@@ -28,7 +28,7 @@ class TAffinityGuard : TNonCopyable {
 
 public:
     TAffinityGuard(const TAffinity* affinity) {
-        Stacked = false; 
+        Stacked = false;
         if (affinity && !affinity->Empty()) {
             OldAffinity.Current();
             affinity->Set();
diff --git a/library/cpp/actors/util/ya.make b/library/cpp/actors/util/ya.make
index ce60468720..37488c3962 100644
--- a/library/cpp/actors/util/ya.make
+++ b/library/cpp/actors/util/ya.make
@@ -1,9 +1,9 @@
 LIBRARY()
 
-OWNER( 
-    ddoarn 
-    g:kikimr 
-) 
+OWNER(
+    ddoarn
+    g:kikimr
+)
 
 SRCS(
     affinity.cpp
diff --git a/library/cpp/actors/wilson/wilson_event.h b/library/cpp/actors/wilson/wilson_event.h
index 9bcbf340fc..7d89c33b51 100644
--- a/library/cpp/actors/wilson/wilson_event.h
+++ b/library/cpp/actors/wilson/wilson_event.h
@@ -160,15 +160,15 @@ namespace NWilson {
         --end;
 
         // generate log record
-        TString finalMessage; 
-        TStringOutput s(finalMessage); 
+        TString finalMessage;
+        TStringOutput s(finalMessage);
         s << GetNodeId(actorSystem) << " " << TStringBuf(base64, end) << " ";
         traceId->Output(s, parentTraceId);
         s << " ";
         event.Output(s);
 
         // output wilson event FIXME: special facility for wilson events w/binary serialization
-        NActors::MemLogAdapter(actorSystem, NActors::NLog::PRI_DEBUG, WilsonComponentId, std::move(finalMessage)); 
+        NActors::MemLogAdapter(actorSystem, NActors::NLog::PRI_DEBUG, WilsonComponentId, std::move(finalMessage));
     }
 
 #else
diff --git a/library/cpp/actors/ya.make b/library/cpp/actors/ya.make
index a8a59f9e7f..737c7fbc18 100644
--- a/library/cpp/actors/ya.make
+++ b/library/cpp/actors/ya.make
@@ -6,7 +6,7 @@ RECURSE(
     dnsresolver
     examples
     memory_log
-    helpers 
+    helpers
     prof
     protos
     util
diff --git a/library/cpp/containers/intrusive_avl_tree/avltree.h b/library/cpp/containers/intrusive_avl_tree/avltree.h
index e5683f3315..a58c63b07c 100644
--- a/library/cpp/containers/intrusive_avl_tree/avltree.h
+++ b/library/cpp/containers/intrusive_avl_tree/avltree.h
@@ -247,7 +247,7 @@ public:
 
         return nullptr;
     }
- 
+
     inline T* LowerBound(const TTreeItem* el) const noexcept {
         TTreeItem* curEl = Root_;
         TTreeItem* lowerBound = nullptr;
@@ -260,9 +260,9 @@ public:
                 curEl = curEl->Right_;
             } else {
                 return AsT(curEl);
-            } 
-        } 
- 
+            }
+        }
+
         return AsT(lowerBound);
     }
 
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 bb258ac078..cab2365cce 100644
--- a/library/cpp/containers/intrusive_avl_tree/ut/avltree_ut.cpp
+++ b/library/cpp/containers/intrusive_avl_tree/ut/avltree_ut.cpp
@@ -1,66 +1,66 @@
 #include <library/cpp/testing/unittest/registar.h>
- 
+
 #include <library/cpp/containers/intrusive_avl_tree/avltree.h>
- 
-class TAvlTreeTest: public TTestBase { 
+
+class TAvlTreeTest: public TTestBase {
     UNIT_TEST_SUITE(TAvlTreeTest);
     UNIT_TEST(TestLowerBound);
     UNIT_TEST(TestIterator);
     UNIT_TEST_SUITE_END();
- 
+
 private:
     void TestLowerBound();
     void TestIterator();
- 
+
     class TIt;
     struct TItCompare {
         static inline bool Compare(const TIt& l, const TIt& r) noexcept;
     };
- 
+
     class TIt: public TAvlTreeItem<TIt, TItCompare> {
     public:
         TIt(int val = 0)
             : Val(val)
         {
         }
- 
+
         int Val;
     };
- 
+
     using TIts = TAvlTree<TIt, TItCompare>;
-}; 
- 
+};
+
 inline bool TAvlTreeTest::TItCompare::Compare(const TIt& l, const TIt& r) noexcept {
-    return l.Val < r.Val; 
-} 
- 
-UNIT_TEST_SUITE_REGISTRATION(TAvlTreeTest); 
- 
-void TAvlTreeTest::TestLowerBound() { 
-    TIts its; 
-    TIt it1(5); 
-    TIt it2(2); 
-    TIt it3(10); 
-    TIt it4(879); 
-    TIt it5(1); 
-    TIt it6(52); 
-    TIt it7(4); 
-    TIt it8(5); 
-    its.Insert(&it1); 
-    its.Insert(&it2); 
-    its.Insert(&it3); 
-    its.Insert(&it4); 
-    its.Insert(&it5); 
-    its.Insert(&it6); 
-    its.Insert(&it7); 
-    its.Insert(&it8); 
- 
-    TIt it_zero(0); 
-    TIt it_large(1000); 
-    UNIT_ASSERT_EQUAL(its.LowerBound(&it3), &it3); 
-    UNIT_ASSERT_EQUAL(its.LowerBound(&it_zero), &it5); 
+    return l.Val < r.Val;
+}
+
+UNIT_TEST_SUITE_REGISTRATION(TAvlTreeTest);
+
+void TAvlTreeTest::TestLowerBound() {
+    TIts its;
+    TIt it1(5);
+    TIt it2(2);
+    TIt it3(10);
+    TIt it4(879);
+    TIt it5(1);
+    TIt it6(52);
+    TIt it7(4);
+    TIt it8(5);
+    its.Insert(&it1);
+    its.Insert(&it2);
+    its.Insert(&it3);
+    its.Insert(&it4);
+    its.Insert(&it5);
+    its.Insert(&it6);
+    its.Insert(&it7);
+    its.Insert(&it8);
+
+    TIt it_zero(0);
+    TIt it_large(1000);
+    UNIT_ASSERT_EQUAL(its.LowerBound(&it3), &it3);
+    UNIT_ASSERT_EQUAL(its.LowerBound(&it_zero), &it5);
     UNIT_ASSERT_EQUAL(its.LowerBound(&it_large), nullptr);
-} 
+}
 
 void TAvlTreeTest::TestIterator() {
     TIts its;
diff --git a/library/cpp/grpc/client/ya.make b/library/cpp/grpc/client/ya.make
index 0c02efdd87..a4e74b067c 100644
--- a/library/cpp/grpc/client/ya.make
+++ b/library/cpp/grpc/client/ya.make
@@ -1,9 +1,9 @@
 LIBRARY()
 
-OWNER( 
-    ddoarn 
+OWNER(
+    ddoarn
     g:kikimr
-) 
+)
 
 SRCS(
     grpc_client_low.cpp
diff --git a/library/cpp/http/fetch/httpfsm.rl6 b/library/cpp/http/fetch/httpfsm.rl6
index 2807b7ff46..eab0328b18 100644
--- a/library/cpp/http/fetch/httpfsm.rl6
+++ b/library/cpp/http/fetch/httpfsm.rl6
@@ -5,7 +5,7 @@
 #include <library/cpp/charset/codepage.h>
 #include <library/cpp/http/misc/httpcodes.h>
 #include <util/datetime/base.h>
-#include <util/generic/ylimits.h> 
+#include <util/generic/ylimits.h>
 #include <algorithm>    // max
 
 #include <library/cpp/http/fetch/httpheader.h>
diff --git a/library/cpp/http/io/stream.cpp b/library/cpp/http/io/stream.cpp
index 98434dc7a2..6689be684f 100644
--- a/library/cpp/http/io/stream.cpp
+++ b/library/cpp/http/io/stream.cpp
@@ -73,8 +73,8 @@ namespace {
             for (TPtr* cur = Beg_; cur != end; ++cur) {
                 f(*cur);
             }
-        } 
- 
+        }
+
         TPtr Top() {
             const TPtr* end = T_ + N;
             return end == Beg_ ? nullptr : *Beg_;
diff --git a/library/cpp/http/io/stream_ut.cpp b/library/cpp/http/io/stream_ut.cpp
index c7749eb5fd..1ea35df675 100644
--- a/library/cpp/http/io/stream_ut.cpp
+++ b/library/cpp/http/io/stream_ut.cpp
@@ -315,15 +315,15 @@ Y_UNIT_TEST_SUITE(THttpStreamTest) {
         TBufferedOutput bufOut(&strOut, 8192);
         TTeeOutput teeOut(&bufOut, &checkOut);
         THttpOutput httpOut(&teeOut);
- 
+
         httpOut.EnableKeepAlive(true);
         httpOut.EnableCompression(true);
- 
+
         const char* header = "POST / HTTP/1.1\r\nHost: yandex.ru\r\n\r\n";
         httpOut << header;
- 
+
         UNIT_ASSERT_VALUES_EQUAL(str.size(), 0u);
- 
+
         const char* body = "<html>Hello</html>";
         httpOut << body;
         UNIT_ASSERT_VALUES_EQUAL(str.size(), 0u);
diff --git a/library/cpp/http/misc/httpcodes.cpp b/library/cpp/http/misc/httpcodes.cpp
index b2aab8a001..ad8c80ac1e 100644
--- a/library/cpp/http/misc/httpcodes.cpp
+++ b/library/cpp/http/misc/httpcodes.cpp
@@ -46,7 +46,7 @@ TStringBuf HttpCodeStrEx(int code) noexcept {
             return TStringBuf("307 Temporarily redirect");
         case HTTP_PERMANENT_REDIRECT:
             return TStringBuf("308 Permanent redirect");
- 
+
         case HTTP_BAD_REQUEST:
             return TStringBuf("400 Bad request");
         case HTTP_UNAUTHORIZED:
@@ -134,7 +134,7 @@ TStringBuf HttpCodeStrEx(int code) noexcept {
             return TStringBuf("511 Network Authentication Required");
         case HTTP_UNASSIGNED_512:
             return TStringBuf("512 Unassigned");
- 
+
         default:
             return TStringBuf("000 Unknown HTTP code");
     }
diff --git a/library/cpp/lfalloc/lf_allocX64.cpp b/library/cpp/lfalloc/lf_allocX64.cpp
index 7837772208..2eb90761fe 100644
--- a/library/cpp/lfalloc/lf_allocX64.cpp
+++ b/library/cpp/lfalloc/lf_allocX64.cpp
@@ -128,7 +128,7 @@ NMalloc::TMallocInfo NMalloc::MallocInfo() {
     r.Name = "lfalloc_dbg";
 #elif defined(LFALLOC_YT)
     r.Name = "lfalloc_yt";
-#else 
+#else
     r.Name = "lfalloc";
 #endif
     r.SetParam = &LFAlloc_SetParam;
@@ -136,9 +136,9 @@ NMalloc::TMallocInfo NMalloc::MallocInfo() {
     return r;
 }
 #else
-NMalloc::TMallocInfo NMalloc::MallocInfo() { 
-    NMalloc::TMallocInfo r; 
-    r.Name = "system-darwin"; 
-    return r; 
-} 
+NMalloc::TMallocInfo NMalloc::MallocInfo() {
+    NMalloc::TMallocInfo r;
+    r.Name = "system-darwin";
+    return r;
+}
 #endif
diff --git a/library/cpp/logger/log.cpp b/library/cpp/logger/log.cpp
index 21643afdc7..e1d70cc3d2 100644
--- a/library/cpp/logger/log.cpp
+++ b/library/cpp/logger/log.cpp
@@ -162,16 +162,16 @@ void TLog::AddLog(const char* format, ...) const {
 }
 
 void TLog::AddLog(ELogPriority priority, const char* format, ...) const {
-    va_list args; 
-    va_start(args, format); 
- 
+    va_list args;
+    va_start(args, format);
+
     Y_DEFER {
-        va_end(args); 
+        va_end(args);
     };
- 
+
     Impl_->AddLog(priority, format, args);
-} 
- 
+}
+
 void TLog::AddLogVAList(const char* format, va_list lst) {
     Impl_->AddLog(Impl_->DefaultPriority(), format, lst);
 }
@@ -233,8 +233,8 @@ void TLog::Write(ELogPriority priority, const char* data, size_t len) const {
     } else {
         Impl_->WriteData(priority, data, len);
     }
-} 
- 
+}
+
 void TLog::Write(ELogPriority priority, const TStringBuf data) const {
     Write(priority, data.data(), data.size());
 }
diff --git a/library/cpp/logger/null.h b/library/cpp/logger/null.h
index 1d6130b7f7..a02f250b00 100644
--- a/library/cpp/logger/null.h
+++ b/library/cpp/logger/null.h
@@ -1,7 +1,7 @@
 #pragma once
 
 #include "backend.h"
- 
+
 class TNullLogBackend: public TLogBackend {
 public:
     TNullLogBackend();
diff --git a/library/cpp/logger/priority.h b/library/cpp/logger/priority.h
index 5696fde561..d2a9fa0a07 100644
--- a/library/cpp/logger/priority.h
+++ b/library/cpp/logger/priority.h
@@ -10,6 +10,6 @@ enum ELogPriority {
     TLOG_INFO = 6 /* "INFO" */,
     TLOG_DEBUG = 7 /* "DEBUG" */,
     TLOG_RESOURCES = 8 /* "RESOURCES" */
-}; 
+};
 #define LOG_MAX_PRIORITY TLOG_RESOURCES
 #define LOG_DEF_PRIORITY TLOG_INFO
diff --git a/library/cpp/logger/stream.h b/library/cpp/logger/stream.h
index 044219ca7f..feb240afcb 100644
--- a/library/cpp/logger/stream.h
+++ b/library/cpp/logger/stream.h
@@ -1,7 +1,7 @@
 #pragma once
 
 #include "backend.h"
- 
+
 class IOutputStream;
 
 class TStreamLogBackend: public TLogBackend {
diff --git a/library/cpp/logger/system.cpp b/library/cpp/logger/system.cpp
index f2b58fcc82..42233f63d2 100644
--- a/library/cpp/logger/system.cpp
+++ b/library/cpp/logger/system.cpp
@@ -14,11 +14,11 @@
 #include "record.h"
 #include "stream.h"
 
-TSysLogBackend::TSysLogBackend(const char* ident, EFacility facility, int flags) 
-    : Ident(ident) 
-    , Facility(facility) 
-    , Flags(flags) 
-{ 
+TSysLogBackend::TSysLogBackend(const char* ident, EFacility facility, int flags)
+    : Ident(ident)
+    , Facility(facility)
+    , Flags(flags)
+{
 #if defined(_unix_)
     Y_ASSERT(TSYSLOG_LOCAL0 <= facility && facility <= TSYSLOG_LOCAL7);
 
@@ -43,34 +43,34 @@ TSysLogBackend::TSysLogBackend(const char* ident, EFacility facility, int flags)
     }
 
     openlog(Ident.data(), sysflags, f2sf[(size_t)facility]);
-#endif 
-} 
- 
+#endif
+}
+
 TSysLogBackend::~TSysLogBackend() {
 #if defined(_unix_)
-    closelog(); 
-#endif 
-} 
- 
+    closelog();
+#endif
+}
+
 void TSysLogBackend::WriteData(const TLogRecord& rec) {
 #if defined(_unix_)
     syslog(ELogPriority2SyslogPriority(rec.Priority), "%.*s", (int)rec.Len, rec.Data);
 #else
     Y_UNUSED(rec);
-#endif 
-} 
- 
-void TSysLogBackend::ReopenLog() { 
-} 
- 
+#endif
+}
+
+void TSysLogBackend::ReopenLog() {
+}
+
 int TSysLogBackend::ELogPriority2SyslogPriority(ELogPriority priority) {
 #if defined(_unix_)
      return Min(int(priority), (int)LOG_PRIMASK);
 #else
-    // trivial conversion 
-    return int(priority); 
+    // trivial conversion
+    return int(priority);
 #endif
-} 
+}
 
 namespace {
     class TSysLogInstance: public TLog {
diff --git a/library/cpp/logger/system.h b/library/cpp/logger/system.h
index 9c7c142907..b8c60b3023 100644
--- a/library/cpp/logger/system.h
+++ b/library/cpp/logger/system.h
@@ -12,10 +12,10 @@
                 (ident) ? (TLogBackend*)(new TSysLogBackend((ident), (facility), (flags))) : (TLogBackend*)(new TNullLogBackend())));\
         }                                                                                                                            \
     } Y_CAT(loginit, __LINE__);
- 
+
 #define YSYSLOGINIT(ident, facility) YSYSLOGINIT_FLAGS((ident), (facility), 0)
- 
-class TSysLogBackend: public TLogBackend { 
+
+class TSysLogBackend: public TLogBackend {
 public:
     enum EFacility {
         TSYSLOG_LOCAL0 = 0,
@@ -27,7 +27,7 @@ public:
         TSYSLOG_LOCAL6 = 6,
         TSYSLOG_LOCAL7 = 7
     };
- 
+
     enum EFlags {
         LogPerror = 1,
         LogCons = 2
@@ -35,30 +35,30 @@ public:
 
     TSysLogBackend(const char* ident, EFacility facility, int flags = 0);
     ~TSysLogBackend() override;
- 
+
     void WriteData(const TLogRecord& rec) override;
     void ReopenLog() override;
- 
+
     virtual TString GetIdent() const {
         return Ident;
     }
- 
+
     virtual EFacility GetFacility() const {
         return Facility;
     }
- 
+
     virtual int GetFlags() const {
         return Flags;
     }
- 
+
 protected:
     int ELogPriority2SyslogPriority(ELogPriority priority);
- 
+
     TString Ident;
     EFacility Facility;
     int Flags;
-}; 
- 
+};
+
 /*
  * return system-wide logger instance
  * better do not use in real programs(instead of robot, of course)
diff --git a/library/cpp/lwtrace/example5/lwtrace_example5.cpp b/library/cpp/lwtrace/example5/lwtrace_example5.cpp
index 11aee7568f..1c324473c2 100644
--- a/library/cpp/lwtrace/example5/lwtrace_example5.cpp
+++ b/library/cpp/lwtrace/example5/lwtrace_example5.cpp
@@ -5,7 +5,7 @@ template <ui64 N>
 ui64 Fact() {
     ui64 result = N * Fact<N - 1>();
 
-#ifndef LWTRACE_DISABLE 
+#ifndef LWTRACE_DISABLE
     // Note that probe is create on the first pass
     // LWTRACE_DECLARE_PROVIDER and LWTRACE_DEFINE_PROVIDER are not needed
     // (Provider is created implicitly)
@@ -13,7 +13,7 @@ ui64 Fact() {
         "LWTRACE_EXAMPLE_PROVIDER", "FactProbe_" + ToString(N), {}, {"result"});
 
     LWPROBE_OBJ(factProbe, result);
-#endif // LWTRACE_DISABLE 
+#endif // LWTRACE_DISABLE
     return result;
 }
 
diff --git a/library/cpp/lwtrace/protos/ya.make b/library/cpp/lwtrace/protos/ya.make
index f6e4695ad5..503d5e515f 100644
--- a/library/cpp/lwtrace/protos/ya.make
+++ b/library/cpp/lwtrace/protos/ya.make
@@ -1,7 +1,7 @@
 PROTO_LIBRARY()
 
 OWNER(serxa)
- 
+
 INCLUDE_TAGS(GO_PROTO)
 
 SRCS(
diff --git a/library/cpp/lwtrace/ya.make b/library/cpp/lwtrace/ya.make
index dde958803c..d9accb3006 100644
--- a/library/cpp/lwtrace/ya.make
+++ b/library/cpp/lwtrace/ya.make
@@ -1,7 +1,7 @@
 LIBRARY()
 
 OWNER(serxa)
- 
+
 PEERDIR(
     library/cpp/lwtrace/protos
 )
diff --git a/library/cpp/messagebus/network.cpp b/library/cpp/messagebus/network.cpp
index a8dc5f6155..304bedae5a 100644
--- a/library/cpp/messagebus/network.cpp
+++ b/library/cpp/messagebus/network.cpp
@@ -10,7 +10,7 @@ using namespace NBus;
 using namespace NBus::NPrivate;
 
 namespace {
-    TBindResult BindOnPortProto(int port, int af, bool reusePort) { 
+    TBindResult BindOnPortProto(int port, int af, bool reusePort) {
         Y_VERIFY(af == AF_INET || af == AF_INET6, "wrong af");
 
         SOCKET fd = ::socket(af, SOCK_STREAM, 0);
@@ -24,17 +24,17 @@ namespace {
             ythrow TSystemError() << "failed to setsockopt SO_REUSEADDR";
         }
 
-#ifdef SO_REUSEPORT 
-        if (reusePort) { 
-            int r = SetSockOpt(fd, SOL_SOCKET, SO_REUSEPORT, one); 
-            if (r < 0) { 
-                ythrow TSystemError() << "failed to setsockopt SO_REUSEPORT"; 
-            } 
-        } 
-#else 
-        Y_UNUSED(reusePort); 
-#endif 
- 
+#ifdef SO_REUSEPORT
+        if (reusePort) {
+            int r = SetSockOpt(fd, SOL_SOCKET, SO_REUSEPORT, one);
+            if (r < 0) {
+                ythrow TSystemError() << "failed to setsockopt SO_REUSEPORT";
+            }
+        }
+#else
+        Y_UNUSED(reusePort);
+#endif
+
         THolder<TOpaqueAddr> addr(new TOpaqueAddr);
         sockaddr* sa = addr->MutableAddr();
         sa->sa_family = af;
@@ -73,7 +73,7 @@ namespace {
         return r;
     }
 
-    TMaybe<TBindResult> TryBindOnPortProto(int port, int af, bool reusePort) { 
+    TMaybe<TBindResult> TryBindOnPortProto(int port, int af, bool reusePort) {
         try {
             return {BindOnPortProto(port, af, reusePort)};
         } catch (const TSystemError&) {
@@ -93,23 +93,23 @@ namespace {
     }
 }
 
-std::pair<unsigned, TVector<TBindResult>> NBus::BindOnPort(int port, bool reusePort) { 
+std::pair<unsigned, TVector<TBindResult>> NBus::BindOnPort(int port, bool reusePort) {
     std::pair<unsigned, TVector<TBindResult>> r;
     r.second.reserve(2);
 
     if (port != 0) {
-        return AggregateBindResults(BindOnPortProto(port, AF_INET, reusePort), 
+        return AggregateBindResults(BindOnPortProto(port, AF_INET, reusePort),
                                     BindOnPortProto(port, AF_INET6, reusePort));
     }
 
     // use nothrow versions in cycle
     for (int i = 0; i < 1000; ++i) {
-        TMaybe<TBindResult> in4 = TryBindOnPortProto(0, AF_INET, reusePort); 
+        TMaybe<TBindResult> in4 = TryBindOnPortProto(0, AF_INET, reusePort);
         if (!in4) {
             continue;
         }
 
-        TMaybe<TBindResult> in6 = TryBindOnPortProto(in4->Addr.GetPort(), AF_INET6, reusePort); 
+        TMaybe<TBindResult> in6 = TryBindOnPortProto(in4->Addr.GetPort(), AF_INET6, reusePort);
         if (!in6) {
             continue;
         }
@@ -117,8 +117,8 @@ std::pair<unsigned, TVector<TBindResult>> NBus::BindOnPort(int port, bool reuseP
         return AggregateBindResults(std::move(*in4), std::move(*in6));
     }
 
-    TBindResult in4 = BindOnPortProto(0, AF_INET, reusePort); 
-    TBindResult in6 = BindOnPortProto(in4.Addr.GetPort(), AF_INET6, reusePort); 
+    TBindResult in4 = BindOnPortProto(0, AF_INET, reusePort);
+    TBindResult in6 = BindOnPortProto(in4.Addr.GetPort(), AF_INET6, reusePort);
     return AggregateBindResults(std::move(in4), std::move(in6));
 }
 
diff --git a/library/cpp/messagebus/network_ut.cpp b/library/cpp/messagebus/network_ut.cpp
index d984284bd2..f1798419db 100644
--- a/library/cpp/messagebus/network_ut.cpp
+++ b/library/cpp/messagebus/network_ut.cpp
@@ -37,7 +37,7 @@ Y_UNIT_TEST_SUITE(Network) {
             return;
         }
 
-        TVector<TBindResult> r = BindOnPort(FixedPort, false).second; 
+        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) {
@@ -46,7 +46,7 @@ Y_UNIT_TEST_SUITE(Network) {
     }
 
     Y_UNIT_TEST(BindOnPortRandom) {
-        TVector<TBindResult> r = BindOnPort(0, false).second; 
+        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) {
@@ -58,8 +58,8 @@ Y_UNIT_TEST_SUITE(Network) {
     }
 
     Y_UNIT_TEST(BindOnBusyPort) {
-        auto r = BindOnPort(0, false); 
+        auto r = BindOnPort(0, false);
 
-        UNIT_ASSERT_EXCEPTION_CONTAINS(BindOnPort(r.first, false), TSystemError, "failed to bind on port " + ToString(r.first)); 
+        UNIT_ASSERT_EXCEPTION_CONTAINS(BindOnPort(r.first, false), TSystemError, "failed to bind on port " + ToString(r.first));
     }
 }
diff --git a/library/cpp/messagebus/session_impl.cpp b/library/cpp/messagebus/session_impl.cpp
index 64c9c7e81e..ddf9f360c4 100644
--- a/library/cpp/messagebus/session_impl.cpp
+++ b/library/cpp/messagebus/session_impl.cpp
@@ -484,7 +484,7 @@ void TBusSessionImpl::Act(TConnectionTag) {
 }
 
 void TBusSessionImpl::Listen(int port, TBusMessageQueue* q) {
-    Listen(BindOnPort(port, Config.ReusePort).second, q); 
+    Listen(BindOnPort(port, Config.ReusePort).second, q);
 }
 
 void TBusSessionImpl::Listen(const TVector<TBindResult>& bindTo, TBusMessageQueue* q) {
diff --git a/library/cpp/messagebus/test/helper/hanging_server.cpp b/library/cpp/messagebus/test/helper/hanging_server.cpp
index ce09e75273..a35514b00d 100644
--- a/library/cpp/messagebus/test/helper/hanging_server.cpp
+++ b/library/cpp/messagebus/test/helper/hanging_server.cpp
@@ -5,7 +5,7 @@
 using namespace NBus;
 
 THangingServer::THangingServer(int port) {
-    BindResult = BindOnPort(port, false); 
+    BindResult = BindOnPort(port, false);
 }
 
 int THangingServer::GetPort() const {
diff --git a/library/cpp/mime/types/mime.h b/library/cpp/mime/types/mime.h
index 9b0fcb06da..05da389ea9 100644
--- a/library/cpp/mime/types/mime.h
+++ b/library/cpp/mime/types/mime.h
@@ -31,7 +31,7 @@ enum MimeTypes {
     MIME_ODT = 17,
     MIME_ODP = 18,
     MIME_ODS = 19,
-    //MIME_XHTMLXML   = 20, 
+    //MIME_XHTMLXML   = 20,
     MIME_IMAGE_BMP = 21,
     MIME_WAV = 22,
     MIME_ARCHIVE = 23,
@@ -40,7 +40,7 @@ enum MimeTypes {
     MIME_GZIP = 26,
     MIME_XLSX = 27,
     MIME_PPTX = 28,
-    MIME_JAVASCRIPT = 29, 
+    MIME_JAVASCRIPT = 29,
     MIME_EPUB = 30,
     MIME_TEX = 31,
     MIME_JSON = 32,
diff --git a/library/cpp/monlib/counters/counters.cpp b/library/cpp/monlib/counters/counters.cpp
index 318c99ad38..50dca4c577 100644
--- a/library/cpp/monlib/counters/counters.cpp
+++ b/library/cpp/monlib/counters/counters.cpp
@@ -1,31 +1,31 @@
- 
-#include "counters.h" 
- 
-namespace NMonitoring { 
+
+#include "counters.h"
+
+namespace NMonitoring {
     char* PrettyNumShort(i64 val, char* buf, size_t size) {
         static const char shorts[] = {' ', 'K', 'M', 'G', 'T', 'P', 'E'};
-        unsigned i = 0; 
-        i64 major = val; 
-        i64 minor = 0; 
+        unsigned i = 0;
+        i64 major = val;
+        i64 minor = 0;
         const unsigned imax = sizeof(shorts) / sizeof(char);
         for (i = 0; i < imax; i++) {
-            if (major >> 10 == 0) 
-                break; 
-            else { 
+            if (major >> 10 == 0)
+                break;
+            else {
                 minor = major - (major >> 10 << 10);
-                major = major >> 10; 
-            } 
-        } 
+                major = major >> 10;
+            }
+        }
         minor = (minor * 10) >> 10;
- 
+
         if (i == 0 || i >= imax)
-            *buf = '\0'; 
-        else 
+            *buf = '\0';
+        else
             snprintf(buf, size, "%" PRId64 ".%" PRId64 "%c", major, minor, shorts[i]);
- 
-        return buf; 
-    } 
- 
+
+        return buf;
+    }
+
     char* PrettyNum(i64 val, char* buf, size_t size) {
         Y_ASSERT(buf);
         if (size < 4) {
diff --git a/library/cpp/monlib/counters/counters.h b/library/cpp/monlib/counters/counters.h
index 3492231282..038b55f0c8 100644
--- a/library/cpp/monlib/counters/counters.h
+++ b/library/cpp/monlib/counters/counters.h
@@ -21,7 +21,7 @@
 namespace NMonitoring {
 #define BEGIN_OUTPUT_COUNTERS             \
     void OutputImpl(IOutputStream& out) { \
-        char prettyBuf[32]; 
+        char prettyBuf[32];
 #define END_OUTPUT_COUNTERS \
     out.Flush();            \
     }
@@ -31,7 +31,7 @@ namespace NMonitoring {
 
     char* PrettyNumShort(i64 val, char* buf, size_t size);
     char* PrettyNum(i64 val, char* buf, size_t size);
- 
+
     // This class is deprecated. Please consider to use
     // library/cpp/monlib/metrics instead. See more info at
     // https://wiki.yandex-team.ru/solomon/libs/monlib_cpp/
diff --git a/library/cpp/monlib/dynamic_counters/counters.cpp b/library/cpp/monlib/dynamic_counters/counters.cpp
index 2d7d0954d6..3635d87d0d 100644
--- a/library/cpp/monlib/dynamic_counters/counters.cpp
+++ b/library/cpp/monlib/dynamic_counters/counters.cpp
@@ -127,13 +127,13 @@ TIntrusivePtr<TDynamicCounters> TDynamicCounters::GetSubgroup(const TString& nam
     }
     return res;
 }
- 
+
 TIntrusivePtr<TDynamicCounters> TDynamicCounters::FindSubgroup(const TString& name, const TString& value) const {
     TReadGuard g(Lock);
     const auto it = Counters.find({name, value});
     return it != Counters.end() ? AsDynamicCounters(it->second) : nullptr;
-} 
- 
+}
+
 void TDynamicCounters::RemoveSubgroup(const TString& name, const TString& value) {
     auto g = LockForUpdate("RemoveSubgroup", name, value);
     if (const auto it = Counters.find({name, value}); it != Counters.end() && AsDynamicCounters(it->second)) {
@@ -189,8 +189,8 @@ void TDynamicCounters::OutputHtml(IOutputStream& os) const {
             OutputPlainText(os);
         }
     }
-} 
- 
+}
+
 void TDynamicCounters::EnumerateSubgroups(const std::function<void(const TString& name, const TString& value)>& output) const {
     TReadGuard g(Lock);
     for (const auto& [key, value] : Counters) {
@@ -202,24 +202,24 @@ void TDynamicCounters::EnumerateSubgroups(const std::function<void(const TString
 
 void TDynamicCounters::OutputPlainText(IOutputStream& os, const TString& indent) const {
     auto snap = ReadSnapshot();
-    // mark private records in plain text output 
-    auto outputVisibilityMarker = [] (EVisibility vis) { 
-        return vis == EVisibility::Private ? "\t[PRIVATE]" : ""; 
-    }; 
+    // mark private records in plain text output
+    auto outputVisibilityMarker = [] (EVisibility vis) {
+        return vis == EVisibility::Private ? "\t[PRIVATE]" : "";
+    };
 
     for (const auto& [key, value] : snap) {
         if (const auto counter = AsCounter(value)) {
             os << indent
                << key.LabelName << '=' << key.LabelValue
                << ": " << counter->Val()
-               << outputVisibilityMarker(counter->Visibility()) 
+               << outputVisibilityMarker(counter->Visibility())
                << '\n';
         } else if (const auto histogram = AsHistogram(value)) {
             os << indent
                << key.LabelName << '=' << key.LabelValue
-               << ":" 
-               << outputVisibilityMarker(histogram->Visibility()) 
-               << "\n"; 
+               << ":"
+               << outputVisibilityMarker(histogram->Visibility())
+               << "\n";
 
             auto snapshot = histogram->Snapshot();
             for (ui32 i = 0, count = snapshot->Count(); i < count; i++) {
diff --git a/library/cpp/monlib/dynamic_counters/page.h b/library/cpp/monlib/dynamic_counters/page.h
index 0f1091360a..1f0ef6a5ea 100644
--- a/library/cpp/monlib/dynamic_counters/page.h
+++ b/library/cpp/monlib/dynamic_counters/page.h
@@ -31,7 +31,7 @@ namespace NMonitoring {
                              const TString& title,
                              TIntrusivePtr<TDynamicCounters> counters,
                              TOutputCallback outputCallback = nullptr)
-            : TPreMonPage(path, title) 
+            : TPreMonPage(path, title)
             , Counters(counters)
             , OutputCallback(outputCallback)
         {
diff --git a/library/cpp/monlib/dynamic_counters/percentile/percentile_base.h b/library/cpp/monlib/dynamic_counters/percentile/percentile_base.h
index 1500ab4c9a..d3c825c43d 100644
--- a/library/cpp/monlib/dynamic_counters/percentile/percentile_base.h
+++ b/library/cpp/monlib/dynamic_counters/percentile/percentile_base.h
@@ -16,20 +16,20 @@ struct TPercentileBase : public TThrRefBase {
 
     TPercentiles Percentiles;
 
-    void Initialize(const TIntrusivePtr<NMonitoring::TDynamicCounters> &counters, const TVector<float> &thresholds, 
-            TCountableBase::EVisibility visibility = TCountableBase::EVisibility::Public) { 
+    void Initialize(const TIntrusivePtr<NMonitoring::TDynamicCounters> &counters, const TVector<float> &thresholds,
+            TCountableBase::EVisibility visibility = TCountableBase::EVisibility::Public) {
         Percentiles.reserve(thresholds.size());
         for (size_t i = 0; i < thresholds.size(); ++i) {
             Percentiles.emplace_back(thresholds[i],
-                counters->GetNamedCounter("percentile", Sprintf("%.1f", thresholds[i] * 100.f), false, visibility)); 
+                counters->GetNamedCounter("percentile", Sprintf("%.1f", thresholds[i] * 100.f), false, visibility));
         }
     }
 
     void Initialize(const TIntrusivePtr<NMonitoring::TDynamicCounters> &counters, TString group, TString subgroup,
-            TString name, const TVector<float> &thresholds, 
-            TCountableBase::EVisibility visibility = TCountableBase::EVisibility::Public) { 
+            TString name, const TVector<float> &thresholds,
+            TCountableBase::EVisibility visibility = TCountableBase::EVisibility::Public) {
         auto subCounters = counters->GetSubgroup(group, subgroup)->GetSubgroup("sensor", name);
-        Initialize(subCounters, thresholds, visibility); 
+        Initialize(subCounters, thresholds, visibility);
     }
 };
 
diff --git a/library/cpp/monlib/service/monservice.cpp b/library/cpp/monlib/service/monservice.cpp
index 13d64c2937..d1b9cda1d2 100644
--- a/library/cpp/monlib/service/monservice.cpp
+++ b/library/cpp/monlib/service/monservice.cpp
@@ -113,7 +113,7 @@ void TMonService2::Register(TMonPagePtr page) {
 }
 
 TIndexMonPage* TMonService2::RegisterIndexPage(const TString& path, const TString& title) {
-    return IndexMonPage->RegisterIndexPage(path, title); 
+    return IndexMonPage->RegisterIndexPage(path, title);
 }
 
 IMonPage* TMonService2::FindPage(const TString& relativePath) {
diff --git a/library/cpp/monlib/service/pages/html_mon_page.cpp b/library/cpp/monlib/service/pages/html_mon_page.cpp
index 26c9a69334..eb4eb3b66c 100644
--- a/library/cpp/monlib/service/pages/html_mon_page.cpp
+++ b/library/cpp/monlib/service/pages/html_mon_page.cpp
@@ -24,14 +24,14 @@ void THtmlMonPage::Output(NMonitoring::IMonHttpRequest& request) {
                     out << "<script language='javascript' type='text/javascript' src='/jquery.tablesorter.js'></script>\n";
                 }
 
-                out << "<style type=\"text/css\">\n"; 
-                out << ".table-nonfluid { width: auto; }\n"; 
-                out << ".narrow-line50 {line-height: 50%}\n"; 
-                out << ".narrow-line60 {line-height: 60%}\n"; 
-                out << ".narrow-line70 {line-height: 70%}\n"; 
-                out << ".narrow-line80 {line-height: 80%}\n"; 
-                out << ".narrow-line90 {line-height: 90%}\n"; 
-                out << "</style>\n"; 
+                out << "<style type=\"text/css\">\n";
+                out << ".table-nonfluid { width: auto; }\n";
+                out << ".narrow-line50 {line-height: 50%}\n";
+                out << ".narrow-line60 {line-height: 60%}\n";
+                out << ".narrow-line70 {line-height: 70%}\n";
+                out << ".narrow-line80 {line-height: 80%}\n";
+                out << ".narrow-line90 {line-height: 90%}\n";
+                out << "</style>\n";
             }
             BODY() {
                 OutputNavBar(out);
diff --git a/library/cpp/monlib/service/pages/index_mon_page.cpp b/library/cpp/monlib/service/pages/index_mon_page.cpp
index fb41f468a6..83ff8b529a 100644
--- a/library/cpp/monlib/service/pages/index_mon_page.cpp
+++ b/library/cpp/monlib/service/pages/index_mon_page.cpp
@@ -67,19 +67,19 @@ void TIndexMonPage::OutputIndex(IOutputStream& out, bool pathEndsWithSlash) {
 
 void TIndexMonPage::Register(TMonPagePtr page) {
     TGuard<TMutex> g(Mtx);
-    auto insres = PagesByPath.insert(std::make_pair("/" + page->GetPath(), page)); 
-    if (insres.second) { 
-        // new unique page just inserted, update Pages 
-        Pages.push_back(page); 
-    } else { 
-        // a page with the given path is already present, replace it with the new page 
- 
-        // find old page, sorry for O(n) 
-        auto it = std::find(Pages.begin(), Pages.end(), insres.first->second); 
-        *it = page; 
-        // this already present, replace it 
-        insres.first->second = page; 
-    } 
+    auto insres = PagesByPath.insert(std::make_pair("/" + page->GetPath(), page));
+    if (insres.second) {
+        // new unique page just inserted, update Pages
+        Pages.push_back(page);
+    } else {
+        // a page with the given path is already present, replace it with the new page
+
+        // find old page, sorry for O(n)
+        auto it = std::find(Pages.begin(), Pages.end(), insres.first->second);
+        *it = page;
+        // this already present, replace it
+        insres.first->second = page;
+    }
     page->Parent = this;
 }
 
@@ -90,7 +90,7 @@ TIndexMonPage* TIndexMonPage::RegisterIndexPage(const TString& path, const TStri
         return page;
     }
     page = new TIndexMonPage(path, title);
-    Register(page); 
+    Register(page);
     return VerifyDynamicCast<TIndexMonPage*>(page);
 }
 
diff --git a/library/cpp/monlib/service/pages/pre_mon_page.cpp b/library/cpp/monlib/service/pages/pre_mon_page.cpp
index 6db90243ee..fc03a19b80 100644
--- a/library/cpp/monlib/service/pages/pre_mon_page.cpp
+++ b/library/cpp/monlib/service/pages/pre_mon_page.cpp
@@ -4,14 +4,14 @@ using namespace NMonitoring;
 
 void TPreMonPage::OutputContent(NMonitoring::IMonHttpRequest& request) {
     auto& out = request.Output();
-    if (PreTag) { 
+    if (PreTag) {
         BeforePre(request);
         out << "<pre>\n";
         OutputText(out, request);
         out << "</pre>\n";
-    } else { 
+    } else {
         OutputText(out, request);
-    } 
+    }
 }
 
 void TPreMonPage::BeforePre(NMonitoring::IMonHttpRequest&) {
diff --git a/library/cpp/monlib/service/pages/pre_mon_page.h b/library/cpp/monlib/service/pages/pre_mon_page.h
index 281e625de3..c9a923d39a 100644
--- a/library/cpp/monlib/service/pages/pre_mon_page.h
+++ b/library/cpp/monlib/service/pages/pre_mon_page.h
@@ -23,5 +23,5 @@ namespace NMonitoring {
 
         const bool PreTag;
     };
- 
+
 }
diff --git a/library/cpp/monlib/service/pages/templates.cpp b/library/cpp/monlib/service/pages/templates.cpp
index 281f9c9c68..ece12bea71 100644
--- a/library/cpp/monlib/service/pages/templates.cpp
+++ b/library/cpp/monlib/service/pages/templates.cpp
@@ -1,35 +1,35 @@
-#include "templates.h" 
- 
-namespace NMonitoring { 
+#include "templates.h"
+
+namespace NMonitoring {
     extern const char HtmlTag[] = "html";
     extern const char HeadTag[] = "head";
     extern const char BodyTag[] = "body";
-    extern const char DivTag[] = "div"; 
-    extern const char TableTag[] = "table"; 
-    extern const char TableHeadTag[] = "thead"; 
-    extern const char TableBodyTag[] = "tbody"; 
-    extern const char TableRTag[] = "tr"; 
-    extern const char TableDTag[] = "td"; 
-    extern const char TableHTag[] = "th"; 
-    extern const char FormTag[] = "form"; 
-    extern const char LabelTag[] = "label"; 
-    extern const char SpanTag[] = "span"; 
-    extern const char CaptionTag[] = "caption"; 
+    extern const char DivTag[] = "div";
+    extern const char TableTag[] = "table";
+    extern const char TableHeadTag[] = "thead";
+    extern const char TableBodyTag[] = "tbody";
+    extern const char TableRTag[] = "tr";
+    extern const char TableDTag[] = "td";
+    extern const char TableHTag[] = "th";
+    extern const char FormTag[] = "form";
+    extern const char LabelTag[] = "label";
+    extern const char SpanTag[] = "span";
+    extern const char CaptionTag[] = "caption";
     extern const char PreTag[] = "pre";
-    extern const char ParaTag[] = "p"; 
+    extern const char ParaTag[] = "p";
     extern const char H1Tag[] = "h1";
     extern const char H2Tag[] = "h2";
     extern const char H3Tag[] = "h3";
     extern const char H4Tag[] = "h4";
     extern const char H5Tag[] = "h5";
     extern const char H6Tag[] = "h6";
-    extern const char SmallTag[] = "small"; 
-    extern const char StrongTag[] = "strong"; 
+    extern const char SmallTag[] = "small";
+    extern const char StrongTag[] = "strong";
     extern const char ListTag[] = "li";
     extern const char UListTag[] = "ul";
     extern const char OListTag[] = "ol";
     extern const char DListTag[] = "dl";
     extern const char DTermTag[] = "dt";
     extern const char DDescTag[] = "dd";
- 
+
 }
diff --git a/library/cpp/monlib/service/pages/templates.h b/library/cpp/monlib/service/pages/templates.h
index dba4e8a11a..b4656f059f 100644
--- a/library/cpp/monlib/service/pages/templates.h
+++ b/library/cpp/monlib/service/pages/templates.h
@@ -1,10 +1,10 @@
-#pragma once 
- 
-#include <util/stream/output.h> 
+#pragma once
+
+#include <util/stream/output.h>
 #include <util/system/defaults.h>
- 
+
 #define WITH_SCOPED(var, value) WITH_SCOPED_I(var, value, Y_GENERATE_UNIQUE_ID(WITH_SCOPED_LABEL_))
- 
+
 #define WITH_SCOPED_I(var, value, label) \
     if (auto var = (value)) {              \
         Y_UNUSED(var);                   \
@@ -12,7 +12,7 @@
     } else                               \
     label                                \
         :
- 
+
 #define TAG(name) WITH_SCOPED(tmp, NMonitoring::name(__stream))
 #define TAG_CLASS(name, cls) WITH_SCOPED(tmp, NMonitoring::name(__stream, cls))
 #define TAG_CLASS_STYLE(name, cls, style) WITH_SCOPED(tmp, NMonitoring::name(__stream, {{"class", cls}, {"style", style}}))
@@ -21,7 +21,7 @@
 #define TAG_ATTRS(name, ...) WITH_SCOPED(tmp, NMonitoring::name(__stream, ##__VA_ARGS__))
 
 #define HTML(str) WITH_SCOPED(__stream, NMonitoring::TOutputStreamRef(str))
- 
+
 #define HEAD() TAG(THead)
 #define BODY() TAG(TBody)
 #define HTML_TAG() TAG(THtml)
@@ -51,7 +51,7 @@
 #define LABEL_CLASS_FOR(cls, for0) TAG_CLASS_FOR(TLabelC, cls, for0)
 #define SPAN_CLASS(cls) TAG_CLASS(TSpanC, cls)
 #define SPAN_CLASS_STYLE(cls, style) TAG_CLASS_STYLE(TSpanC, cls, style)
- 
+
 #define PARA() TAG(TPara)
 #define PARA_CLASS(cls) TAG_CLASS(TPara, cls)
 
@@ -67,7 +67,7 @@
 #define H5_CLASS(cls) TAG_CLASS(TH5, cls)
 #define H6() TAG(TH6)
 #define H6_CLASS(cls) TAG_CLASS(TH6, cls)
- 
+
 #define SMALL() TAG(TSMALL)
 #define STRONG() TAG(TSTRONG)
 
@@ -77,7 +77,7 @@
 #define UL_CLASS(cls) TAG_CLASS(TULIST, cls)
 #define OL() TAG(TOLIST)
 #define OL_CLASS(cls) TAG_CLASS(TOLIST, cls)
- 
+
 #define DL() TAG(DLIST)
 #define DL_CLASS(cls) TAG_CLASS(DLIST, cls)
 #define DT() TAG(DTERM)
@@ -88,16 +88,16 @@
 #define CAPTION() TAG(TCaption)
 #define CAPTION_CLASS(cls) CAPTION_CLASS(TCaption, cls)
 
-#define HTML_OUTPUT_PARAM(str, param) str << #param << ": " << param << "<br/>" 
-#define HTML_OUTPUT_TIME_PARAM(str, param) str << #param << ": " << ToStringLocalTimeUpToSeconds(param) << "<br/>" 
- 
+#define HTML_OUTPUT_PARAM(str, param) str << #param << ": " << param << "<br/>"
+#define HTML_OUTPUT_TIME_PARAM(str, param) str << #param << ": " << ToStringLocalTimeUpToSeconds(param) << "<br/>"
+
 #define COLLAPSED_BUTTON_CONTENT(targetId, buttonText) \
     WITH_SCOPED(tmp, NMonitoring::TCollapsedButton(__stream, targetId, buttonText))
- 
+
 #define HREF(path) \
     WITH_SCOPED(tmp, NMonitoring::THref(__stream, path))
 
-namespace NMonitoring { 
+namespace NMonitoring {
     struct THref {
         THref(IOutputStream& str, TStringBuf path)
             : Str(str)
@@ -117,16 +117,16 @@ namespace NMonitoring {
     };
 
     template <const char* tag>
-    struct TTag { 
+    struct TTag {
         TTag(IOutputStream& str, TStringBuf cls = "", TStringBuf for0 = "", TStringBuf id = "")
-            : Str(str) 
-        { 
+            : Str(str)
+        {
             Str << "<" << tag;
- 
+
             if (!cls.empty()) {
                 Str << " class=\"" << cls << "\"";
             }
- 
+
             if (!for0.empty()) {
                 Str << " for=\"" << for0 << "\"";
             }
@@ -135,8 +135,8 @@ namespace NMonitoring {
                 Str << "id=\"" << id << "\"";
             }
             Str << ">";
-        } 
- 
+        }
+
         TTag(IOutputStream& str, std::initializer_list<std::pair<TStringBuf, TStringBuf>> attributes)
             : Str(str)
         {
@@ -149,44 +149,44 @@ namespace NMonitoring {
             Str << ">";
         }
 
-        ~TTag() { 
+        ~TTag() {
             try {
                 Str << "</" << tag << ">";
             } catch (...) {
             }
-        } 
- 
+        }
+
         explicit inline operator bool() const noexcept {
             return true; // just to work with WITH_SCOPED
         }
 
         IOutputStream& Str;
-    }; 
- 
-    // a nice class for creating collapsable regions of html output 
-    struct TCollapsedButton { 
+    };
+
+    // a nice class for creating collapsable regions of html output
+    struct TCollapsedButton {
         TCollapsedButton(IOutputStream& str, const TString& targetId, const TString& buttonText)
-            : Str(str) 
-        { 
-            Str << "<button type='button' class='btn' data-toggle='collapse' data-target='#" << targetId << "'>" 
-                << buttonText << "</button>"; 
-            Str << "<div id='" << targetId << "' class='collapse'>"; 
-        } 
- 
-        ~TCollapsedButton() { 
-            try { 
-                Str << "</div>"; 
+            : Str(str)
+        {
+            Str << "<button type='button' class='btn' data-toggle='collapse' data-target='#" << targetId << "'>"
+                << buttonText << "</button>";
+            Str << "<div id='" << targetId << "' class='collapse'>";
+        }
+
+        ~TCollapsedButton() {
+            try {
+                Str << "</div>";
             } catch (...) {
             }
-        } 
- 
+        }
+
         explicit inline operator bool() const noexcept {
             return true; // just to work with WITH_SCOPED
         }
 
         IOutputStream& Str;
-    }; 
- 
+    };
+
     struct TOutputStreamRef {
         TOutputStreamRef(IOutputStream& str)
             : Str(str)
@@ -234,31 +234,31 @@ namespace NMonitoring {
     extern const char DListTag[3];
     extern const char DTermTag[3];
     extern const char DDescTag[3];
- 
+
     typedef TTag<HtmlTag> THtml;
     typedef TTag<HeadTag> THead;
     typedef TTag<BodyTag> TBody;
-    typedef TTag<DivTag> TDiv; 
-    typedef TTag<TableTag> TTable; 
-    typedef TTag<TableHeadTag> TTableHead; 
-    typedef TTag<TableBodyTag> TTableBody; 
-    typedef TTag<TableRTag> TTableR; 
-    typedef TTag<TableDTag> TTableD; 
-    typedef TTag<TableHTag> TTableH; 
-    typedef TTag<FormTag> TFormC; 
-    typedef TTag<LabelTag> TLabelC; 
-    typedef TTag<SpanTag> TSpanC; 
-    typedef TTag<CaptionTag> TCaption; 
+    typedef TTag<DivTag> TDiv;
+    typedef TTag<TableTag> TTable;
+    typedef TTag<TableHeadTag> TTableHead;
+    typedef TTag<TableBodyTag> TTableBody;
+    typedef TTag<TableRTag> TTableR;
+    typedef TTag<TableDTag> TTableD;
+    typedef TTag<TableHTag> TTableH;
+    typedef TTag<FormTag> TFormC;
+    typedef TTag<LabelTag> TLabelC;
+    typedef TTag<SpanTag> TSpanC;
+    typedef TTag<CaptionTag> TCaption;
     typedef TTag<PreTag> TPre;
-    typedef TTag<ParaTag> TPara; 
+    typedef TTag<ParaTag> TPara;
     typedef TTag<H1Tag> TH1;
     typedef TTag<H2Tag> TH2;
     typedef TTag<H3Tag> TH3;
     typedef TTag<H4Tag> TH4;
     typedef TTag<H5Tag> TH5;
     typedef TTag<H6Tag> TH6;
-    typedef TTag<SmallTag> TSMALL; 
-    typedef TTag<StrongTag> TSTRONG; 
+    typedef TTag<SmallTag> TSMALL;
+    typedef TTag<StrongTag> TSTRONG;
     typedef TTag<ListTag> TLIST;
     typedef TTag<UListTag> TULIST;
     typedef TTag<OListTag> TOLIST;
diff --git a/library/cpp/sliding_window/sliding_window.h b/library/cpp/sliding_window/sliding_window.h
index 8c6bc516f8..180bdf93d0 100644
--- a/library/cpp/sliding_window/sliding_window.h
+++ b/library/cpp/sliding_window/sliding_window.h
@@ -1,26 +1,26 @@
-#pragma once 
- 
+#pragma once
+
 #include <util/datetime/base.h>
 #include <util/generic/vector.h>
 #include <util/system/guard.h>
 #include <util/system/mutex.h>
 #include <util/system/types.h>
 #include <util/system/yassert.h>
- 
+
 #include <functional>
 #include <limits>
- 
+
 namespace NSlidingWindow {
     namespace NPrivate {
         template <class TValueType_, class TCmp, TValueType_ initialValue> // std::less for max, std::greater for min
         struct TMinMaxOperationImpl {
             using TValueType = TValueType_;
             using TValueVector = TVector<TValueType>;
- 
+
             static constexpr TValueType InitialValue() {
                 return initialValue;
             }
- 
+
             // Updates value in current bucket and returns window value
             static TValueType UpdateBucket(TValueType windowValue, TValueVector& buckets, size_t index, TValueType newVal) {
                 Y_ASSERT(index < buckets.size());
@@ -34,7 +34,7 @@ namespace NSlidingWindow {
                 }
                 return windowValue;
             }
- 
+
             static TValueType ClearBuckets(TValueType windowValue, TValueVector& buckets, const size_t firstElemIndex, const size_t bucketsToClear) {
                 Y_ASSERT(!buckets.empty());
                 Y_ASSERT(firstElemIndex < buckets.size());
@@ -72,7 +72,7 @@ namespace NSlidingWindow {
         };
 
     }
- 
+
     template <class TValueType>
     using TMaxOperation = NPrivate::TMinMaxOperationImpl<TValueType, std::less<TValueType>, std::numeric_limits<TValueType>::min()>;
 
@@ -111,7 +111,7 @@ namespace NSlidingWindow {
             return windowValue;
         }
     };
- 
+
     /////////////////////////////////////////////////////////////////////////////////////////
     // TSlidingWindow
     /////////////////////////////////////////////////////////////////////////////////////////
@@ -121,7 +121,7 @@ namespace NSlidingWindow {
         using TValueType = typename TOperation::TValueType;
         using TValueVector = TVector<TValueType>;
         using TSizeType = typename TValueVector::size_type;
- 
+
     public:
         TSlidingWindow(const TDuration& length, TSizeType partsNum)
             : Mutex()
@@ -133,7 +133,7 @@ namespace NSlidingWindow {
             , MicroSecondsPerBucket(length.MicroSeconds() / partsNum)
         {
         }
- 
+
         TSlidingWindow(const TSlidingWindow& w)
             : Mutex()
         {
@@ -175,20 +175,20 @@ namespace NSlidingWindow {
         TValueType GetValue() const {
             TGuard<TMutexImpl> guard(&Mutex);
             return WindowValue;
-        } 
- 
+        }
+
     private:
         void UpdateCurrentBucket(TValueType val) {
             const TSizeType arraySize = Buckets.size();
             const TSizeType pos = (FirstElem + arraySize - 1) % arraySize;
             WindowValue = TOperation::UpdateBucket(WindowValue, Buckets, pos, val);
         }
- 
+
         void AdvanceTime(const TInstant& time) {
             if (time < PeriodStart + Length) {
                 return;
             }
- 
+
             if (PeriodStart.MicroSeconds() == 0) {
                 PeriodStart = time - Length;
                 return;
diff --git a/library/cpp/sliding_window/sliding_window_ut.cpp b/library/cpp/sliding_window/sliding_window_ut.cpp
index d655f0bb0c..1e7343a8d3 100644
--- a/library/cpp/sliding_window/sliding_window_ut.cpp
+++ b/library/cpp/sliding_window/sliding_window_ut.cpp
@@ -1,9 +1,9 @@
 #include "sliding_window.h"
 
 #include <library/cpp/testing/unittest/registar.h>
- 
+
 using namespace NSlidingWindow;
- 
+
 Y_UNIT_TEST_SUITE(TSlidingWindowTest) {
     Y_UNIT_TEST(TestSlidingWindowMax) {
         TSlidingWindow<TMaxOperation<unsigned>> w(TDuration::Minutes(5), 5);
@@ -29,7 +29,7 @@ Y_UNIT_TEST_SUITE(TSlidingWindowTest) {
         now += TDuration::Minutes(5);
         w.Update(1, now);                          // ~ 1 ~ ~ ~
         UNIT_ASSERT_VALUES_EQUAL(w.GetValue(), 1); //   ^
- 
+
         // update current bucket
         w.Update(2, now);                          // ~ 2 ~ ~ ~
         UNIT_ASSERT_VALUES_EQUAL(w.GetValue(), 2); //   ^
@@ -44,8 +44,8 @@ Y_UNIT_TEST_SUITE(TSlidingWindowTest) {
 
         now += TDuration::Minutes(5); // ~ ~ ~ ~ ~
         UNIT_ASSERT_VALUES_EQUAL(w.Update(now), 0);
-    } 
- 
+    }
+
     Y_UNIT_TEST(TestSlidingWindowMin) {
         TSlidingWindow<TMinOperation<unsigned>> w(TDuration::Minutes(5), 5);
         TInstant start = TInstant::MicroSeconds(TDuration::Hours(1).MicroSeconds());
diff --git a/library/cpp/testing/common/env.h b/library/cpp/testing/common/env.h
index 952faa91bc..7b89aa1bed 100644
--- a/library/cpp/testing/common/env.h
+++ b/library/cpp/testing/common/env.h
@@ -17,10 +17,10 @@ TString ArcadiaFromCurrentLocation(TStringBuf where, TStringBuf path);
 
 // @brief return build folder path
 TString BuildRoot();
- 
+
 // @brief return full path to built artefact, where path is relative from arcadia root
 TString BinaryPath(TStringBuf path);
- 
+
 // @brief return true if environment is testenv otherwise false
 bool FromYaTest();
 
diff --git a/library/cpp/testing/unittest/tests_data.h b/library/cpp/testing/unittest/tests_data.h
index 6775e98b5d..6536bc1ae6 100644
--- a/library/cpp/testing/unittest/tests_data.h
+++ b/library/cpp/testing/unittest/tests_data.h
@@ -5,28 +5,28 @@
 #include <util/generic/noncopyable.h>
 #include <util/generic/ptr.h>
 #include <util/generic/string.h>
-#include <util/network/sock.h> 
+#include <util/network/sock.h>
 
 class TInet6StreamSocket;
 
-// set two options: SO_REUSEADDR and SO_REUSEPORT, both are required for 
-// correct implementation of TPortManager because of different operating systems 
-// incompatibility: singe SO_REUSEADDR is enough for Linux, but not enough for Darwin 
-template <class TSocketType> 
-void SetReuseAddressAndPort(const TSocketType& sock) { 
-    const int retAddr = SetSockOpt(sock, SOL_SOCKET, SO_REUSEADDR, 1); 
-    if (retAddr < 0) { 
-        ythrow yexception() << "can't set SO_REUSEADDR: " << LastSystemErrorText(-retAddr); 
-    } 
- 
-#ifdef SO_REUSEPORT 
-    const int retPort = SetSockOpt(sock, SOL_SOCKET, SO_REUSEPORT, 1); 
-    if (retPort < 0) { 
-        ythrow yexception() << "can't set SO_REUSEPORT: " << LastSystemErrorText(-retPort); 
-    } 
-#endif 
-} 
- 
+// set two options: SO_REUSEADDR and SO_REUSEPORT, both are required for
+// correct implementation of TPortManager because of different operating systems
+// incompatibility: singe SO_REUSEADDR is enough for Linux, but not enough for Darwin
+template <class TSocketType>
+void SetReuseAddressAndPort(const TSocketType& sock) {
+    const int retAddr = SetSockOpt(sock, SOL_SOCKET, SO_REUSEADDR, 1);
+    if (retAddr < 0) {
+        ythrow yexception() << "can't set SO_REUSEADDR: " << LastSystemErrorText(-retAddr);
+    }
+
+#ifdef SO_REUSEPORT
+    const int retPort = SetSockOpt(sock, SOL_SOCKET, SO_REUSEPORT, 1);
+    if (retPort < 0) {
+        ythrow yexception() << "can't set SO_REUSEPORT: " << LastSystemErrorText(-retPort);
+    }
+#endif
+}
+
 class TPortManager: public TNonCopyable {
 public:
     TPortManager(bool reservePortsForCurrentTest = true);
diff --git a/library/cpp/uri/common.h b/library/cpp/uri/common.h
index 38bd460556..8025357763 100644
--- a/library/cpp/uri/common.h
+++ b/library/cpp/uri/common.h
@@ -501,11 +501,11 @@ Y_DECLARE_OUT_SPEC(inline, NUri::TScheme::EKind, out, t) {
 Y_DECLARE_OUT_SPEC(inline, NUri::TState::EParsed, out, t) {
     out << NUri::ParsedStateToString(t);
 }
- 
+
 static inline ui16 DefaultPort(NUri::TScheme::EKind scheme) {
     return NUri::TSchemeInfo::GetDefaultPort(scheme);
-} 
- 
+}
+
 static inline NUri::TScheme::EKind SchemeKind(const TStringBuf& scheme) {
     return NUri::TSchemeInfo::GetKind(scheme);
 }
diff --git a/library/cpp/uri/uri.cpp b/library/cpp/uri/uri.cpp
index 464c7f54f0..56a9a4e5ef 100644
--- a/library/cpp/uri/uri.cpp
+++ b/library/cpp/uri/uri.cpp
@@ -351,7 +351,7 @@ namespace NUri {
 
     IOutputStream& TUri::PrintImpl(IOutputStream& out, int flags) const {
         TStringBuf v;
- 
+
         const int wantFlags = flags; // save the original
         flags &= FieldsSet;          // can't print what we don't have
         if (flags & FlagHostAscii)
diff --git a/library/cpp/uri/uri.h b/library/cpp/uri/uri.h
index 0b57246a1e..3b6c19fe4a 100644
--- a/library/cpp/uri/uri.h
+++ b/library/cpp/uri/uri.h
@@ -401,7 +401,7 @@ namespace NUri {
             const size_t printSize = PrintSize(flags) + 1;
             return printSize > size ? nullptr : PrintImpl(str, size, flags);
         }
- 
+
         char* Serialize(int flags = FlagUrlFields) const {
             flags = PrintFlags(flags);
             const size_t size = PrintSize(flags) + 1;