protected @NotNull List<AnAction> getNavigationActions() {
    List<AnAction> actions = List.of(
      new MyPrevDifferenceAction(), new MyNextDifferenceAction(), new OpenInEditorAction(),
      Separator.getInstance(),
      new MyPrevChangeAction(), new MyNextChangeAction());

    AnAction goToChangeAction = createGoToChangeAction();
    if (goToChangeAction != null) {
      actions = ContainerUtil.append(actions, goToChangeAction);
    }

    return actions;
  }
protected @NotNull List<AnAction> getNavigationActions()