public function getComponentsWrapper(array $form, FormStateInterface $form_state) {
return $form['components_wrapper'];
}
/**
* {@inheritdoc}
*/
protected function successfulAjaxSubmit(array $form, FormStateInterface $form_state) {
return $this->rebuildAndClose($this->sectionStorage);
}
/**
* Gets the selected region.
*
* @param \Drupal\Core\Form\FormStateInterface $form_state
* The form state.
*
* @return string
* The current region name.
*/