Index: src/libchcore/TOverlappedReader.h
===================================================================
diff -u -N -r593ca68706f3a3c7c2a3820b02a56fc24d5bea11 -rb941384e121190b6107f1c99b3233667e3daf4ce
--- src/libchcore/TOverlappedReader.h	(.../TOverlappedReader.h)	(revision 593ca68706f3a3c7c2a3820b02a56fc24d5bea11)
+++ src/libchcore/TOverlappedReader.h	(.../TOverlappedReader.h)	(revision b941384e121190b6107f1c99b3233667e3daf4ce)
@@ -28,9 +28,6 @@
 {
 	class TOverlappedReader
 	{
-	private:
-		static const unsigned long long NoIoError = 0xffffffffffffffff;
-
 	public:
 		explicit TOverlappedReader(const logger::TLogFileDataPtr& spLogFileData, const TBufferListPtr& spEmptyBuffers,
 			unsigned long long ullFilePos, DWORD dwChunkSize);
@@ -70,6 +67,8 @@
 
 		bool m_bReleaseMode = false;		// when set, all incoming buffers will go to empty buffers
 	};
+
+	using TOverlappedReaderPtr = std::shared_ptr<TOverlappedReader>;
 }
 
 #endif