void generateDiffWindow(ISVNDeltaConsumer consumer, ISVNRAData workFile, ISVNRAData baseFile) throws SVNException;
void generateDiffWindow(String commitPath, ISVNDeltaConsumer consumer, ISVNRAData workFile, ISVNRAData baseFile) throws SVNException;
	void generateDiffWindow(ISVNDeltaConsumer consumer, ISVNRAData workFile, ISVNRAData baseFile) throws SVNException;