@Nullable
  @Override
  protected List<AnAction> createPopupActions() {
    List<AnAction> group = new ArrayList<>(myTextDiffProvider.getPopupActions());
    group.add(Separator.getInstance());
    group.add(new MyToggleAutoScrollAction());

    return group;
  }
@Nullable
  @Override
  protected List<AnAction> createPopupActions()