Index: src/libchcore/ISerializerContainer.h
===================================================================
diff -u -r9479911a096555a7504c5c8a8eaee83ecb63440c -r081055369d6b332ef1651877756657973b1b2d9c
--- src/libchcore/ISerializerContainer.h	(.../ISerializerContainer.h)	(revision 9479911a096555a7504c5c8a8eaee83ecb63440c)
+++ src/libchcore/ISerializerContainer.h	(.../ISerializerContainer.h)	(revision 081055369d6b332ef1651877756657973b1b2d9c)
@@ -25,21 +25,23 @@
 
 BEGIN_CHCORE_NAMESPACE
 
-class ISerializerRowWriter;
-typedef boost::shared_ptr<ISerializerRowWriter> ISerializerRowWriterPtr;
+class ISerializerRowData;
+typedef boost::shared_ptr<ISerializerRowData> ISerializerRowDataPtr;
+class TRemovedObjects;
 
 class LIBCHCORE_API ISerializerContainer
 {
 public:
 	virtual ~ISerializerContainer();
 
 	// columns
-	virtual IColumnsDefinitionPtr GetColumnsDefinition() const = 0;
+	virtual IColumnsDefinition& GetColumnsDefinition() = 0;
 
 	// prepare data to be stored
-	virtual ISerializerRowWriterPtr AddRow(size_t stRowID) = 0;
-	virtual ISerializerRowWriterPtr GetRow(size_t stRowID) = 0;
+	virtual ISerializerRowDataPtr AddRow(size_t stRowID) = 0;
+	virtual ISerializerRowDataPtr GetRow(size_t stRowID) = 0;
 	virtual void DeleteRow(size_t stRowID) = 0;
+	virtual void DeleteRows(const TRemovedObjects& setObjects) = 0;
 
 	// getting data from the serialized archive
 	virtual ISerializerRowReaderPtr GetRowReader() = 0;