@class NSMutableSet; @interface IDSGroupContextNotifyingObserver : NSObject <IDSGroupContextObserverDaemonProtocol> @property (retain, nonatomic) NSMutableSet *delegates; - (id)init; - (void)dealloc; - (void)removeDelegate:(id)a0; - (void)didUpdateGroup:(id)a0 withNewGroup:(id)a1 completion:(id /* block */)a2; - (void)addDelegate:(id)a0; - (void)didReceiveDecryptionFailureForGroup:(id)a0 completion:(id /* block */)a1; - (void)didCreateGroup:(id)a0 completion:(id /* block */)a1; - (void).cxx_destruct; - (void)didCacheGroup:(id)a0 completion:(id /* block */)a1; - (void)didReceiveRegistrationIdentityUpdateWithCompletion:(id /* block */)a0; @end