[TOnlineAsyncOpHandle](API\Plugins\OnlineServicesInterface\Online\TOnlineAsyncOpHandle)< [FUserFileEnumerateFiles](API\Plugins\OnlineServicesInterface\Online\FUserFileEnumerateFiles) > EnumerateFiles ( [FUserFileEnumerateFiles::Params](API\Plugins\OnlineServicesInterface\Online\FUserFileEnumerateFiles\Params) && Params )