@class NSString, FTTextToSpeechResponse; @interface FTMutableSpeechTranslationTextToSpeechResponse : FTSpeechTranslationTextToSpeechResponse @property (copy, nonatomic) NSString *conversation_id; @property (copy, nonatomic) NSString *request_id; @property (copy, nonatomic) NSString *target_locale; @property (copy, nonatomic) FTTextToSpeechResponse *text_to_speech_response; - (id)init; - (id)copyWithZone:(struct _NSZone { } *)a0; @end