return NS_OK;
for (PRInt32 i = 0; i < PRInt32(count); ++i) { nsIRDFObserver* obs = NS_REINTERPRET_CAST(nsIRDFObserver*, mObservers->ElementAt(i));  (void) obs->OnUnassert(aSource, aProperty, aTarget); NS_RELEASE(obs); } }  return NS_OK;
nsBookmarksService::OnUnassert(nsIRDFDataSource* aDataSource,                   nsIRDFResource* aSource,                   nsIRDFResource* aProperty,                   nsIRDFNode* aTarget){    if (mUpdateBatchNest != 0)  return NS_OK;    PRInt32 count = mObservers.Count();    for (PRInt32 i = 0; i < count; ++i)    {        (void) mObservers[i]->OnUnassert(this, aSource, aProperty, aTarget);    }    return NS_OK;}