if (loader->IsAlternate(data->mTitle)) { return kHashEnumerateNext;
if (loader->IsAlternate(aData->mTitle)) { return PL_DHASH_NEXT;
StartNonAlternates(nsHashKey *aKey, void *aData, void* aClosure){  NS_PRECONDITION(aData, "Must have a data");  NS_PRECONDITION(aClosure, "Must have a loader");    SheetLoadData* data = NS_STATIC_CAST(SheetLoadData*, aData);  CSSLoaderImpl* loader = NS_STATIC_CAST(CSSLoaderImpl*, aClosure);  if (loader->IsAlternate(data->mTitle)) {    return kHashEnumerateNext;  }  // Need to start the load  loader->LoadSheet(data, eSheetNeedsParser);  return kHashEnumerateRemove;}