@@ -56,7 +56,7 @@ |
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| 56 | 56 | |
| 57 | 57 | /** |
| 58 | 58 | * @param EventInterface $event |
| 59 | - * @return bool |
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| 59 | + * @return boolean|null |
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| 60 | 60 | * @access public |
| 61 | 61 | */ |
| 62 | 62 | public function doSerialize(EventInterface $event)/*# : bool */ |