/**
  * {@inheritdoc}
  */
 public function buildForm(array $form, FormStateInterface $form_state, PageInterface $page = NULL, $condition_id = NULL)
 {
     $this->page = $page;
     return parent::buildForm($form, $form_state, $condition_id, $page->getContexts());
 }
 /**
  * {@inheritdoc}
  */
 public function buildForm(array $form, FormStateInterface $form_state, PageInterface $page = NULL, $display_variant_id = NULL, $condition_id = NULL)
 {
     $this->displayVariant = $page->getVariant($display_variant_id);
     return parent::buildForm($form, $form_state, $page, $condition_id);
 }