@class NSString, NSObject; @protocol OS_dispatch_group, NSObject; @interface FCOperationNotificationRetrySignal : NSObject { NSObject *_group; unsigned long long _timeoutTime; id _notificationObserver; NSString *_notificationName; double _timeout; } @property (readonly) unsigned long long hash; @property (readonly) Class superclass; @property (readonly, copy) NSString *description; @property (readonly, copy) NSString *debugDescription; - (void)dealloc; - (void)onQueue:(id)a0 signal:(id /* block */)a1; - (void).cxx_destruct; - (id)initWithNotificationName:(id)a0 timeout:(double)a1; @end