/**
* @param AbstractSerializer $serializer The class doing the serializing.
* @param object|array $model The model being serialized.
* @param array $attributes The serialized attributes of the resource.
*/
public function __construct(AbstractSerializer $serializer, $model, array &$attributes)
{
$this->serializer = $serializer;
$this->model = $model;
$this->attributes =& $attributes;
$this->actor = $serializer->getActor();
}