@Override
    public void update(@NotNull AnActionEvent e) {
      InternalDecoratorImpl decorator = InternalDecoratorImpl.findNearestDecorator(e.getData(PlatformCoreDataKeys.CONTEXT_COMPONENT));
      e.getPresentation().setEnabledAndVisible(decorator != null && decorator.canUnsplit());
      e.getPresentation().setText(ActionsBundle.actionText("Unsplit"));
    }
@Override
    public void update(@NotNull AnActionEvent e)