[UBehaviorTreeDecoratorGraphNode](API\Editor\BehaviorTreeEditor\UBehaviorTreeDecoratorGraphNode) * SpawnMissingNodeWorker ( const [TArray](API\Runtime\Core\Containers\TArray)< class [UBTDecorator](API\Runtime\AIModule\BehaviorTree\UBTDecorator) * > & NodeInstances, const [TArray](API\Runtime\Core\Containers\TArray)< struct [FBTDecoratorLogic](API\Runtime\AIModule\BehaviorTree\FBTDecoratorLogic) > & Operations, int32 & Index, [UEdGraphNode](API\Runtime\Engine\EdGraph\UEdGraphNode) * ParentGraphNode, int32 ChildIdx )