_CheckDuplicateEntryNotification
if (_CheckDuplicateEntryNotification(B_ENTRY_CREATED, entryRef, nodeRef))
if (_CheckDuplicateEntryNotification(B_ENTRY_REMOVED, entryRef, nodeRef))
if (_CheckDuplicateEntryNotification(B_ENTRY_MOVED, toEntryRef, nodeRef,
bool _CheckDuplicateEntryNotification(int32 opcode,