@class NSRunLoop; @interface CalCancelableRunLoopPerformBlock : NSObject <CalCancelable> @property (readonly, nonatomic) NSRunLoop *runLoop; @property (copy, nonatomic) id /* block */ block; - (void)_performBlock:(id /* block */)a0; - (void).cxx_destruct; - (void)cancel; - (void)performAfterDelay:(double)a0; - (id)initWithBlock:(id /* block */)a0 inRunLoop:(id)a1; @end