@class NSObject; @protocol OS_dispatch_source; @interface IRTimer : NSObject @property (retain, nonatomic) NSObject<OS_dispatch_source> *timerSource; - (void)dealloc; - (id)initWithInterval:(double)a0 repeats:(BOOL)a1 queue:(id)a2 block:(id /* block */)a3; - (void)invalidate; - (void).cxx_destruct; @end