anchor.diff:      }
       return filesystem.connection.downloadObject(
           filesystem.bucket,
  -        path,
  +        _objectName,
           range: range);
     }
   
  
positive.code:   Stream<RemoteEntry> list() {
      return filesystem.connection.listObjects(
          filesystem.bucket,
          params: {'prefix': path.substring(1), 'delimiter': _FS_DELIMITER }
      )
      .map((prefixOrObject) =>
          prefixOrObject.fold(
  
negative.code:   Future setEntryProperty(String key, String value) {
      return filesystem.connection.patchObject(
          filesystem.bucket,
          _objectName,
          (object) => object.metadata[key] = value,
          params: {'fields': 'metadata'}
      );
  