@class NSMutableDictionary, NSObject; @protocol OS_dispatch_queue; @interface _GCRacingWheelManager : NSObject { NSObject<OS_dispatch_queue> *_queue; struct IONotificationPort { } *_deviceNotificationPort; struct __CFSet { } *_deviceNotificationIterators; struct __CFSet { } *_connectedWheelDeviceNotifications; NSMutableDictionary *_connectedWheels; } - (id)init; - (void).cxx_destruct; @end