@@ -256,7 +256,7 @@ |
||
256 | 256 | * @param \Closure $event ['Object', 'method'] or callable |
257 | 257 | * @param int|null $prior priority |
258 | 258 | * |
259 | - * @return bool |
|
259 | + * @return boolean|null |
|
260 | 260 | */ |
261 | 261 | protected function addListener($listener, $event, $prior = null) |
262 | 262 | { |