protected void addGroupByActions(@NotNull DefaultActionGroup result) {
    Grouper[] groupers = myTreeModel.getGroupers();
    List<AnAction> groupActions = new ArrayList<>();
    for (Grouper grouper : groupers) {
      groupActions.add(new TreeActionWrapper(grouper, this));
    }
    result.addAll(sortActionsByName(groupActions));
  }
protected void addGroupByActions(@NotNull DefaultActionGroup result)