virtual [FDataRegistryCacheGetResult](API\Plugins\DataRegistry\FDataRegistryCacheGetResult) GetAllCachedItems ( [TMap](API\Runtime\Core\Containers\TMap)< [FDataRegistryId](API\Plugins\DataRegistry\FDataRegistryId), const uint8 * > & OutItemMap, const [UScriptStruct](API\Runtime\CoreUObject\UObject\UScriptStruct) *& OutItemStruct ) const