@Override
  public @NotNull Collection<? extends PsiSymbolReference> getExternalReferences(@NotNull PsiExternalReferenceHost element,
                                                                                 @NotNull PsiSymbolReferenceHints hints) {
    return applyHints(doGetExternalReferences(element, hints), hints);
  }
@Override
  public @NotNull Collection<? extends PsiSymbolReference> getExternalReferences(@NotNull PsiExternalReferenceHost element,
                                                                                 @NotNull PsiSymbolReferenceHints hints)