/**
  * Returns whether the base table is of a translatable entity type.
  *
  * @return bool
  *   TRUE if the base table is of a translatable entity type, FALSE otherwise.
  */
 protected function isBaseTableTranslatable()
 {
     if ($entity_type = $this->view->getBaseEntityType()) {
         return $entity_type->isTranslatable();
     }
     return FALSE;
 }