@class NSString, NSMutableSet, ATConnection, NSObject; @protocol OS_dispatch_queue; @interface VUIAirTrafficController : NSObject <ATConnectionDelegate> @property (retain, nonatomic) ATConnection *connection; @property (retain, nonatomic) NSObject<OS_dispatch_queue> *connectionQueue; @property (retain, nonatomic) NSMutableSet *observers; @property (readonly) unsigned long long hash; @property (readonly) Class superclass; @property (readonly, copy) NSString *description; @property (readonly, copy) NSString *debugDescription; + (id)defaultController; - (id)init; - (void)removeObserver:(id)a0; - (void)removeAllObservers; - (void).cxx_destruct; - (void)addObserver:(id)a0; - (void)connection:(id)a0 updatedProgress:(id)a1; - (void)_onConnectionQueue_startObservingIfIdle; - (void)_onConnectionQueue_stopObservingIfIdle; @end