[TFuture](API\Runtime\Core\Async\TFuture)< [TArray](API\Runtime\Core\Containers\TArray)< [FAccountId](API\Runtime\CoreOnline\Online\FAccountId) > > ResolveAccountIds ( const [FAccountId](API\Runtime\CoreOnline\Online\FAccountId) & LocalAccountId, const [TArray](API\Runtime\Core\Containers\TArray)< [EOS_EpicAccountId](API\Plugins\OnlineServicesEOS\Online\EOS_EpicAccountId) > & EpicAccountIds )