@Override
  public Set<XmlFile> getAllConfigFiles(@NotNull S scope) {
    final HashSet<XmlFile> xmlFiles = new HashSet<>();
    for (M model: getAllModels(scope)) {
      xmlFiles.addAll(model.getConfigFiles());
    }
    return xmlFiles;
  }
@Override
  public Set<XmlFile> getAllConfigFiles(@NotNull S scope)