@class FTAudioDescription, NSString, NSArray, NSData, FTTextToSpeechFeature, FTTextToSpeechMeta, FTTextToSpeechResponseDevData; @interface FTMutableTextToSpeechResponse : FTTextToSpeechResponse @property (copy, nonatomic) NSString *speech_id; @property (copy, nonatomic) NSString *session_id; @property (nonatomic) int error_code; @property (copy, nonatomic) NSString *error_str; @property (nonatomic) long long audio_type; @property (nonatomic) int sample_rate; @property (copy, nonatomic) NSData *audio; @property (copy, nonatomic) FTAudioDescription *decoder_description; @property (copy, nonatomic) FTAudioDescription *playback_description; @property (copy, nonatomic) NSArray *word_timing_info; @property (copy, nonatomic) FTTextToSpeechMeta *meta_info; @property (copy, nonatomic) FTTextToSpeechFeature *feature; @property (copy, nonatomic) FTTextToSpeechResponseDevData *dev_data; - (id)init; - (id)copyWithZone:(struct _NSZone { } *)a0; - (void)audio:(id /* block */)a0; @end