@class NSRunLoop; @interface CalCancelablePerformSelector : NSObject <CalCancelable> @property (copy, nonatomic) id /* block */ block; @property (retain, nonatomic) NSRunLoop *runloop; - (id)initWithBlock:(id /* block */)a0; - (void)_performBlock:(id /* block */)a0; - (void).cxx_destruct; - (void)cancel; - (void)performAfterDelay:(double)a0; @end