/**
* {@inheritdoc}
*/
public function __construct(string $label = null)
{
parent::__construct($label);
$this->tabContainer = new TabContainer();
$this->container->add($this->tabContainer)->addClass('form-tabs');
}
/**
* {@inheritdoc}
*/
public function render()
{
$deepcopy = new DeepCopy();
/** @var MultipleGroup $clone */
$clone = $deepcopy->copy($this);
$fullRender = $clone->parentRender();
$this->newContainer->getOptions()->addData('clone', $fullRender);
return parent::render();
}