nsrefcnt refcnt; NS_RELEASE2(gRDFService, refcnt);
LiteralImpl::~LiteralImpl(){    MOZ_COUNT_DTOR(RDF_LiteralImpl);#ifdef DEBUG_REFS    --gInstanceCount;    fprintf(stdout, "%d - RDF: LiteralImpl\n", gInstanceCount);#endif    gRDFService->UnregisterLiteral(this);}