*
* @return bool
* TRUE if the field is queryable.
+ *
+ * @deprecated in Drupal 8.4.0 and will be removed before Drupal 9.0.0. Use
+ * \Drupal\Core\Field\FieldStorageDefinitionInterface::hasCustomStorage()
+ * instead.
+ *
+ * @see https://www.drupal.org/node/2856563
*/
public function isQueryable();