@interface GameCenterFoundation.FastSyncChannel : _TtCs12_SwiftObject { void /* unknown type, empty encoding */ activeRemoteParticipants; void /* unknown type, empty encoding */ name; void /* unknown type, empty encoding */ clientDelegate; void /* unknown type, empty encoding */ channelMigrationObserver; void /* unknown type, empty encoding */ hostElectionQueryObserver; void /* unknown type, empty encoding */ hostElectionQueryResponseObserver; void /* unknown type, empty encoding */ joinChannelObserver; void /* unknown type, empty encoding */ fastSyncMessenger; void /* unknown type, empty encoding */ fastSyncSession; void /* unknown type, empty encoding */ groupSessionProvider; void /* unknown type, empty encoding */ privateHostElector; void /* unknown type, empty encoding */ sessionState; void /* unknown type, empty encoding */ providerSubscriptions; void /* unknown type, empty encoding */ sessionObserverTask; void /* unknown type, empty encoding */ tasks; void /* unknown type, empty encoding */ transportParticipants; void /* unknown type, empty encoding */ type; } @end