getAllowedAttributes() защищенный Метод

Gets attributes to normalize using groups.
protected getAllowedAttributes ( string | object $classOrObject, array $context, boolean $attributesAsString = false ) : string[] | Symfony\Component\Serializer\Mapping\AttributeMetadataInterface[] | boolean
$classOrObject string | object
$context array
$attributesAsString boolean If false, return an array of {@link AttributeMetadataInterface}
Результат string[] | Symfony\Component\Serializer\Mapping\AttributeMetadataInterface[] | boolean
 /**
  * {@inheritdoc}
  */
 public function getAllowedAttributes($classOrObject, array $context, $attributesAsString = false)
 {
     return parent::getAllowedAttributes($classOrObject, $context, $attributesAsString);
 }