@interface GroupActivities.BackgroundGroupSessionManager : _TtCs12_SwiftObject {
void /* unknown type, empty encoding */ client;
void /* unknown type, empty encoding */ presenceProviderObservers;
void /* unknown type, empty encoding */ providerObservers;
void /* unknown type, empty encoding */ $__lazy_storage_$_topicManager;
void /* unknown type, empty encoding */ audioSessionAssertionManager;
void /* unknown type, empty encoding */ _activitySessions;
void /* unknown type, empty encoding */ _groupSessions;
void /* unknown type, empty encoding */ $__lazy_storage_$_groupSessionTable;
}
@end