@interface VTVoiceTriggerEnabledMonitor : VTEventMonitor { int _notifyToken; BOOL _isVoiceTriggerEnabled; } + (id)sharedInstance; - (void)_stopMonitoring; - (id)init; - (void)_startMonitoringWithQueue:(id)a0; - (void)_notifyObserver:(id)a0 withEnabled:(BOOL)a1; - (BOOL)_checkVoiceTriggerEnabled; - (BOOL)isEnabled; - (void)_didReceiveVoiceTriggerSettingChangedInQueue:(BOOL)a0; - (void)_didReceiveVoiceTriggerSettingChanged:(BOOL)a0; @end