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@@ -292,6 +292,13 @@ TArray<uint16> ValueOffsets;
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TArray<uint8> ValueMemory;
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```
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+`Observers` 帮助支持外部 UObject 监听 FKey 数据修改事件
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+
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+```cpp
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+mutable TMultiMap<FBlackboard::FKey, FOnBlackboardChangeNotificationInfo> Observers;
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+mutable TMultiMap<const UObject*, FDelegateHandle> ObserverHandles;
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+```
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+
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### InitializeBlackboard
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初始化行为树
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