anchor.diff:        // 3. Multipart: Upload of data + metadata.
   
         if (uploadOptions is client_requests.ResumableUploadOptions) {
  -        final helper = ResumableMediaUploader(_httpClient, uploadMedia, body,
  -            uri, method, uploadOptions, _userAgent);
  +        final helper = ResumableMediaUploader(
  +          _httpClient,
  +          uploadMedia,
  +          body,
  +          uri,
  +          method,
  +          uploadOptions,
  +          _userAgent,
  +        );
           return helper.upload();
         }
   
         if (uploadMedia.length == null) {
           throw ArgumentError(
  -            'For non-resumable uploads you need to specify the length of the '
  -            'media to upload.');
  +          'For non-resumable uploads you need to specify the length of the '
  +          'media to upload.',
  +        );
         }
   
         if (body == null) {
           return simpleUpload();
         } else {
           final uploader = MultipartMediaUploader(
  -            _httpClient, uploadMedia, body, uri, method, _userAgent);
  +          _httpClient,
  +          uploadMedia,
  +          body,
  +          uri,
  +          method,
  +          _userAgent,
  +        );
           return uploader.upload();
         }
       }
  
positive.code: }
  
  Future<http.StreamedResponse> _validateResponse(
      http.StreamedResponse response) async {
    final statusCode = response.statusCode;
  
    // TODO: We assume that status codes between [200..400] are OK.
  
negative.code:   }
  
    Future<http.StreamedResponse> _request(
      String requestUrl,
      String method,
      String? body,
      Map<String, List<String>>? queryParams,
      client_requests.Media? uploadMedia,
      client_requests.UploadOptions? uploadOptions,
      client_requests.DownloadOptions? downloadOptions,
      client_requests.ByteRange? downloadRange,
    ) {
      final downloadAsMedia = downloadOptions != null &&
          downloadOptions != client_requests.DownloadOptions.metadata;
  
  