static @NotNull PsiSymbolReferenceHints referenceClassHint(@NotNull Class<? extends PsiSymbolReference> referenceClass) {
    assert referenceClass != PsiSymbolReference.class;
    return new PsiSymbolReferenceHints() {
      @Override
      public @NotNull Class<? extends PsiSymbolReference> getReferenceClass() {
        return referenceClass;
      }
    };
  }
static @NotNull PsiSymbolReferenceHints referenceClassHint(@NotNull Class<? extends PsiSymbolReference> referenceClass)