@class OspreyChannel; @interface SiriTTSOspreyChannel : NSObject @property (retain, nonatomic) OspreyChannel *grpcChannel; - (void).cxx_destruct; - (id)initWithURL:(id)a0 configuration:(id)a1; - (void)initializeDeviceAuthenticationSessionWithCompletion:(id /* block */)a0; - (void)preconnect; - (void)streamTTS:(id)a0 beginHandler:(id /* block */)a1 chunkHandler:(id /* block */)a2 completion:(id /* block */)a3; @end