@Override
  protected void handleToggleAction(@Nullable InputEvent inputEvent) {
    BranchActionGroup branchActionGroup = getSelectedBranchGroup();
    if (branchActionGroup != null) {
      branchActionGroup.toggle();
      getList().repaint();
    }
    else {
      super.handleToggleAction(inputEvent);
    }
  }
@Override
  protected void handleToggleAction(@Nullable InputEvent inputEvent)