Implements \Drupal\entity_reference\Plugin\Type\Selection\SelectionInterface::countReferencableEntities().
Overrides SelectionInterface::countReferencableEntities
public function countReferencableEntities($match = NULL, $match_operator = 'CONTAINS') {
$this
->getReferencableEntities($match, $match_operator);
return $this->view->pager
->getTotalItems();
}