NativeD_TIMMsgConvertVoiceToText typedef
        NativeD_TIMMsgConvertVoiceToText =
     Int Function(Pointer<Uint8>  url, Pointer<Uint8>  language, Pointer<Uint8>  user_data)
    
    
    
Implementation
typedef NativeD_TIMMsgConvertVoiceToText = ffi.Int Function(ffi.Pointer<ffi.Uint8> url, ffi.Pointer<ffi.Uint8> language, ffi.Pointer<ffi.Uint8> user_data);