@class SiriTTSDaemonSession, NSString, AFAudioPowerUpdater, NSObject; @protocol OS_dispatch_queue; @interface SVXPowerLevelListener : NSObject <AFAudioPowerProviding> { AFAudioPowerUpdater *_outputAudioPowerUpdater; NSObject<OS_dispatch_queue> *_outputAudioPowerUpdaterQueue; SiriTTSDaemonSession *_session; } @property (readonly) unsigned long long hash; @property (readonly) Class superclass; @property (readonly, copy) NSString *description; @property (readonly, copy) NSString *debugDescription; - (void)dealloc; - (BOOL)getAveragePower:(float *)a0 andPeakPower:(float *)a1; - (void)willBeginAccessPower; - (void)didEndAccessPower; - (void).cxx_destruct; - (long long)_frequency; - (void)beginListeningToTTSSession:(id)a0 completion:(id /* block */)a1; - (void)endListening; @end