@interface CSSpeechDetectionDevicePresentMonitor : CSEventMonitor + (id)sharedInstance; - (void)_stopMonitoring; - (id)init; - (void)_startMonitoringWithQueue:(id)a0; - (void)_systemControllerDied:(id)a0; - (BOOL)isPresent; - (void)_startObservingSystemControllerLifecycle; - (void)_startObservingSpeechDetectionVADPresence; - (void)handleSpeechDetectionVADPresentChange:(id)a0; @end