@class NSString, NSObject; @protocol OS_dispatch_queue, NAScheduler; @interface _HKSPQueueBackedScheduler : NSObject <HKSPQueueBackedScheduler> @property (readonly, nonatomic) id<NAScheduler> scheduler; @property (readonly, nonatomic) NSObject<OS_dispatch_queue> *queue; @property (readonly) unsigned long long hash; @property (readonly) Class superclass; @property (readonly, copy) NSString *description; @property (readonly, copy) NSString *debugDescription; - (id)initWithQueue:(id)a0; - (void)suspend; - (id)performCancelableBlock:(id /* block */)a0; - (id)afterDelay:(double)a0 performBlock:(id /* block */)a1; - (id)initWithScheduler:(id)a0 queue:(id)a1; - (void)resume; - (void).cxx_destruct; - (void)performBlock:(id /* block */)a0; @end