public static @NotNull MultiMap<VirtualFile, FileIncludeInfoImpl> getIncludingFileCandidates(String fileName, @NotNull GlobalSearchScope scope) {
    final MultiMap<VirtualFile, FileIncludeInfoImpl> result = new MultiMap<>();
    FileBasedIndex.getInstance().processValues(INDEX_ID, fileName, null, (file, value) -> {
      result.put(file, value);
      return true;
    }, scope);
    return result;
  }
public static @NotNull MultiMap<VirtualFile, FileIncludeInfoImpl> getIncludingFileCandidates(String fileName, @NotNull GlobalSearchScope scope)