@@ -222,7 +222,7 @@ discard block |
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222 | 222 | /** |
223 | 223 | * Add a child. |
224 | 224 | * @param static $child |
225 | - * @return boolean |
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225 | + * @return false|string |
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226 | 226 | */ |
227 | 227 | public function addChild($child) |
228 | 228 | { |
@@ -232,7 +232,7 @@ discard block |
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232 | 232 | /** |
233 | 233 | * Event triggered before deleting itself. |
234 | 234 | * @param ModelEvent $event |
235 | - * @return boolean true if parentAttribute not specified. |
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235 | + * @return boolean|null true if parentAttribute not specified. |
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236 | 236 | * @throws IntegrityException throw if $throwRestrictException is true when $onDeleteType is on restrict. |
237 | 237 | */ |
238 | 238 | public function onDeleteChildren($event) |
@@ -265,7 +265,7 @@ discard block |
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265 | 265 | /** |
266 | 266 | * Event triggered before updating itself. |
267 | 267 | * @param ModelEvent $event |
268 | - * @return boolean true if parentAttribute not specified. |
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268 | + * @return boolean|null true if parentAttribute not specified. |
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269 | 269 | * @throws IntegrityException throw if $throwRestrictException is true when $onUpdateType is on restrict. |
270 | 270 | */ |
271 | 271 | public function onUpdateChildren($event) |