code: def SaveDataToFD(self, raw_data, fd):
      
      for key, value in iteritems(raw_data):
        # TODO(hanuszczak): Incorrect type specification for `set`.
        # pytype: disable=wrong-arg-types
        self.set("", key, value=value)
        # pytype: enable=wrong-arg-types
  
      self.write(fd)
docs: Merge the raw data with the config file and store it.