[TOnlineResult](API\Plugins\OnlineServicesInterface\Online\TOnlineResult)< [FLobbyClientDataPrepareServiceSnapshot](API\Plugins\OnlineServicesCommon\Online\FLobbyClientDataPrepareServiceSn-) > PrepareServiceSnapshot ( [FLobbyClientDataPrepareServiceSnapshot::Params](API\Plugins\OnlineServicesCommon\Online\FLobbyClientDataPrepareServiceSn-\Params) && Params ) const