@interface GroupActivities.PresenceSession : _TtCs12_SwiftObject {
void /* unknown type, empty encoding */ id;
void /* unknown type, empty encoding */ _state;
void /* unknown type, empty encoding */ activeParticipants;
void /* unknown type, empty encoding */ _members;
void /* unknown type, empty encoding */ _sessionInfo;
void /* unknown type, empty encoding */ workQueue;
void /* unknown type, empty encoding */ observers;
void /* unknown type, empty encoding */ provider;
void /* unknown type, empty encoding */ serviceProvider;
void /* unknown type, empty encoding */ connection;
}
@end