@interface ActivityKit.ActivityOutputClient : _TtCs12_SwiftObject {
void /* unknown type, empty encoding */ identifier;
void /* unknown type, empty encoding */ singleton;
void /* unknown type, empty encoding */ lock;
void /* unknown type, empty encoding */ _lock_options;
void /* unknown type, empty encoding */ _lock_payloadObserverCount;
void /* unknown type, empty encoding */ _lock_descriptorObserverCount;
}
@end