@class NSMutableDictionary, NSObject; @protocol OS_dispatch_queue; @interface DNDSXPCEventStream : NSObject { NSMutableDictionary *_timerHandlersByToken; NSObject *_queue; } - (id)init; - (void)start; - (void)setTimer:(id)a0; - (void)registerTimerHandlerWithServiceIdentifier:(id)a0 handler:(id /* block */)a1; - (void).cxx_destruct; @end