// FSObject.cpp#include "FSObject.h"// constructorFSObject::FSObject():BReferenceable(),fRemoved(false){}// destructorFSObject::~FSObject(){}// MarkRemovedvoidFSObject::MarkRemoved(){fRemoved = true;}// IsRemovedboolFSObject::IsRemoved() const{return fRemoved;}voidFSObject::LastReferenceReleased(){// don't delete}