@class NSMutableDictionary, VSSpeechSynthesizer, AVAudioSession, NSString, NSObject; @protocol OS_dispatch_queue; @interface ANSpeechUtil : NSObject <VSSpeechSynthesizerDelegate> @property (retain, nonatomic) VSSpeechSynthesizer *synthesizer; @property (retain, nonatomic) AVAudioSession *audioSession; @property (readonly, nonatomic) NSObject<OS_dispatch_queue> *queue; @property (retain, nonatomic) NSMutableDictionary *requests; @property (readonly) unsigned long long hash; @property (readonly) Class superclass; @property (readonly, copy) NSString *description; @property (readonly, copy) NSString *debugDescription; + (id)sharedUtil; + (id)_pcmAudioDataFromOpusAudio:(id)a0; - (id)init; - (void).cxx_destruct; - (void)speechSynthesizer:(id)a0 didFinishSpeakingRequest:(id)a1 withInstrumentMetrics:(id)a2; - (void)speechSynthesizer:(id)a0 didFinishSynthesisRequest:(id)a1 withInstrumentMetrics:(id)a2 error:(id)a3; - (void)speechSynthesizer:(id)a0 didStartSpeakingRequest:(id)a1; - (void)speechSynthesizer:(id)a0 withSynthesisRequest:(id)a1 didGenerateAudioChunk:(id)a2; - (void)speakText:(id)a0; - (id)_fileNameGeneratorWithFileExtension:(id)a0; - (void)_handleCompletedSpeechRequest:(id)a0 error:(id)a1; - (void)synthesizeSpeechToFileFromText:(id)a0 completionHandler:(id /* block */)a1; @end