@Override
  public @NotNull FileBasedIndex.InputFilter getInputFilter() {
    FileType manifestFileType = FileTypeRegistry.getInstance().getFileTypeByFileName("Manifest.mf");
    return new FileTypeInputFilterPredicate(FileTypeSubstitutionStrategy.BEFORE_SUBSTITUTION, type -> {
      return type.equals(manifestFileType);
    });
  }
@Override
  public @NotNull FileBasedIndex.InputFilter getInputFilter()