@Override
  public boolean set(@NotNull Boolean extVal) {
    ExcludedFiles excludedFiles = mySettings.getExcludedFiles();
    if (extVal) {
      excludedFiles.clear();
    }
    else {
      excludedFiles.setDescriptors(Collections.singletonList(new AnyFileDescriptor()));
    }
    return true;
  }
@Override
  public boolean set(@NotNull Boolean extVal)