| @@ -55,7 +55,7 @@ | ||
| 55 | 55 | * @param NodeInterface[] $nodes | 
| 56 | 56 | * @param string $string | 
| 57 | 57 | */ | 
| 58 | - private function setNodesToString(array $nodes, string &$string): void | |
| 58 | + private function setNodesToString(array $nodes, string & $string): void | |
| 59 | 59 |      { | 
| 60 | 60 | /** | 
| 61 | 61 | * @var NodeInterface $parameter |