@@ -13,7 +13,7 @@ |
||
| 13 | 13 | * |
| 14 | 14 | * @param array $output |
| 15 | 15 | * @param mixed $transformer |
| 16 | - * @param mixed $serializer |
|
| 16 | + * @param string|null $serializer |
|
| 17 | 17 | * @return array |
| 18 | 18 | */ |
| 19 | 19 | public function transform(array $output, $transformer, $serializer = null) |