virtual [TSharedPtr](API\Runtime\Core\Templates\TSharedPtr)< [FStreamableHandle](API\Runtime\Engine\Engine\FStreamableHandle) > PreloadPrimaryAssets ( const [TArray](API\Runtime\Core\Containers\TArray)< [FPrimaryAssetId](API\Runtime\CoreUObject\UObject\FPrimaryAssetId) > & AssetsToLoad, const [TArray](API\Runtime\Core\Containers\TArray)< [FName](API\Runtime\Core\UObject\FName) > & LoadBundles, bool bLoadRecursive, FStreamableDelegate DelegateToCall, TAsyncLoadPriority Priority )