@ApiStatus.Internal
  public final DefaultActionGroup getViewActions() {
    DefaultActionGroup result = new DefaultActionGroup(IdeBundle.message("group.view.options"), null, AllIcons.Actions.GroupBy);
    result.setPopup(true);
    result.addSeparator(StructureViewBundle.message("structureview.subgroup.sort"));
    result.addAll(sortActionsByName(getSortActions()));
    result.addSeparator(StructureViewBundle.message("structureview.subgroup.filter"));
    result.addAll(sortActionsByName(getFilterActions()));
    result.addSeparator(StructureViewBundle.message("structureview.subgroup.group"));
    addGroupByActions(result);
    return result;
  }
@ApiStatus.Internal
  public final DefaultActionGroup getViewActions()