@class NSString, CXCallObserver, NSObject; @protocol OS_dispatch_queue; @interface _UIDictationTelephonyMonitor : NSObject <CXCallObserverDelegate> { NSObject<OS_dispatch_queue> *_queue; CXCallObserver *_callObserver; } @property (readonly, nonatomic) BOOL telephonyActivity; @property (copy) id /* block */ activityChanged; @property (readonly) unsigned long long hash; @property (readonly) Class superclass; @property (readonly, copy) NSString *description; @property (readonly, copy) NSString *debugDescription; - (id)init; - (void)start; - (void)_backgroundInit; - (void)_backgroundReset; - (void).cxx_destruct; - (void)callObserver:(id)a0 callChanged:(id)a1; @end