@Override
  public StructureViewBuilder createStructureViewBuilder(@NotNull XmlFile file) {
    if (!DescriptorUtil.isPluginXml(file)) {
      return null;
    }

    return new TreeBasedStructureViewBuilder() {
      @NotNull
      @Override
      public StructureViewModel createStructureViewModel(@Nullable Editor editor) {
        return new PluginDescriptorXmlStructureViewModel(file, editor);
      }

      @Override
      public boolean isRootNodeShown() {
        return false;
      }
    };
  }
@Override
  public StructureViewBuilder createStructureViewBuilder(@NotNull XmlFile file)