@NotNull List<JComponent> getFocusableComponents() {
    List<JComponent> components = new ArrayList<>();
    if (UIUtil.isFocusable(myLayout.myCheckBoxComponent)) {
      components.add(myLayout.myCheckBoxComponent);
    }
    components.addAll(ContainerUtil.filter(myLayout.myButtonComponents, UIUtil::isFocusable));
    return components;
  }
@NotNull List<JComponent> getFocusableComponents()