private @NotNull List<AnAction> getSortActions() {
    List<AnAction> result = new ArrayList<>();
    Sorter[] sorters = myTreeModel.getSorters();
    for (final Sorter sorter : sorters) {
      if (sorter.isVisible()) {
        result.add(new TreeActionWrapper(sorter, this));
      }
    }
    return result;
  }
private @NotNull List<AnAction> getSortActions()