@class NSObject; @protocol OS_dispatch_queue; @interface CalCancelableDispatchBlock : NSObject <CalCancelable> @property (copy, nonatomic) id /* block */ block; @property (readonly, nonatomic) NSObject<OS_dispatch_queue> *queue; - (void).cxx_destruct; - (void)cancel; - (void)performAfterDelay:(double)a0; - (id)initWithBlock:(id /* block */)a0 inQueue:(id)a1; - (void)performAsync; @end