void SpawnMissingSubNodes ( [UEnvQueryOption](API\Runtime\AIModule\EnvironmentQuery\UEnvQueryOption) * Option, [TSet](API\Runtime\Core\Containers\TSet)< [UEnvQueryTest](API\Runtime\AIModule\EnvironmentQuery\UEnvQueryTest) * > ExistingTests, [UEnvironmentQueryGraphNode](API\Plugins\EnvironmentQueryEditor\UEnvironmentQueryGraphNode) * OptionNode )