/**
* {@inheritdoc}
*/
public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) {
/** @var static $data_type */
$data_type = parent::create($container, $configuration, $plugin_id, $plugin_definition);
/** @var \Drupal\search_api\Backend\BackendPluginManager $backend_manager */
$backend_manager = $container->get('plugin.manager.search_api.backend');
$data_type->setBackendManager($backend_manager);
return $data_type;
}