@class NSString, NSObject; @protocol OS_dispatch_queue; @interface CHNotifyObserver : NSObject @property (readonly, copy, nonatomic) NSString *name; @property (readonly, nonatomic) NSObject<OS_dispatch_queue> *queue; @property (nonatomic) int token; @property (readonly, copy, nonatomic) id /* block */ callback; - (void)dealloc; - (id)initWithName:(id)a0 queue:(id)a1 callback:(id /* block */)a2; - (void).cxx_destruct; @end