@class NSString, SNAudioStreamAnalyzer, NSObject; @protocol OS_dispatch_queue, _LTSpeechTranslationDelegate; @interface _LTSpeechActivityDetector : NSObject <SNResultsObserving> { NSObject<OS_dispatch_queue> *_queue; SNAudioStreamAnalyzer *_streamAnalyzer; long long _position; id<_LTSpeechTranslationDelegate> _delegate; } @property (readonly) unsigned long long hash; @property (readonly) Class superclass; @property (readonly, copy) NSString *description; @property (readonly, copy) NSString *debugDescription; - (void)request:(id)a0 didFailWithError:(id)a1; - (void).cxx_destruct; - (id)initWithDelegate:(id)a0; - (void)addSpeechAudioData:(id)a0; - (id)nativeAudioFormat; - (void)request:(id)a0 didProduceResult:(id)a1; @end