@class NSNotificationCenter; @interface CRKConcreteNotificationCenterSubscription : NSObject <CRKCancelable> @property (readonly, nonatomic) NSNotificationCenter *notificationCenter; @property (retain, nonatomic) id object; @property (copy) id /* block */ notificationHandler; + (id)subscriptionWithNotificationCenter:(id)a0 notificationName:(id)a1 object:(id)a2 notificationHandler:(id /* block */)a3; - (void)dealloc; - (void).cxx_destruct; - (void)cancel; - (id)initWithNotificationCenter:(id)a0 object:(id)a1 notificationHandler:(id /* block */)a2; - (void)notificationDidFire:(id)a0; @end