@NotNull
  protected List<AnAction> createLastToolbarActions() {
    List<AnAction> result = new ArrayList<>();
    result.add(Separator.getInstance());
    result.add(ActionManager.getInstance().getAction(ChangesTree.GROUP_BY_ACTION_GROUP));
    if (isVerticalToolbar()) {
      result.add(Separator.getInstance());
      result.addAll(TreeActionsToolbarPanel.createTreeActions());
    }
    return result;
  }
@NotNull
  protected List<AnAction> createLastToolbarActions()