@Override
  protected Comparator<MyNode> getNodeComparator() {
    List<Comparator<MyNode>> comparators = ContainerUtil
      .mapNotNull(ModuleStructureExtension.EP_NAME.getExtensions(), ModuleStructureExtension::getNodeComparator);
    return new MergingComparator<>(ContainerUtil.concat(comparators, Collections.singletonList(NODE_COMPARATOR)));
  }
@Override
  protected Comparator<MyNode> getNodeComparator()