| @@ -233,7 +233,7 @@ | ||
| 233 | 233 | /** | 
| 234 | 234 |       * {@inheritdoc} | 
| 235 | 235 | */ | 
| 236 | - public function setParent(?ElementInterface $parent = null): ElementInterface | |
| 236 | + public function setParent(? ElementInterface $parent = null) : ElementInterface | |
| 237 | 237 |      { | 
| 238 | 238 | $this->parent = $parent; | 
| 239 | 239 | |