| @@ -206,7 +206,7 @@ | ||
| 206 | 206 | * | 
| 207 | 207 | * @param \League\Url\UrlImmutable $url | 
| 208 | 208 | * | 
| 209 | - * @return bool | |
| 209 | + * @return null|boolean | |
| 210 | 210 | */ | 
| 211 | 211 | protected function hasValidSignature(UrlImmutable $url) | 
| 212 | 212 |      { |