@Override
    final public PsiElement @NotNull [] findDirectInheritorCandidatesInFile(SearchId @NotNull [] internalNames,
                                                                            @NotNull PsiFileWithStubSupport file) {
      throw new UnsupportedOperationException();
    }
@Override
    final public PsiElement @NotNull [] findDirectInheritorCandidatesInFile(SearchId @NotNull [] internalNames,
                                                                            @NotNull PsiFileWithStubSupport file)