docs: def ConvertToWireFormat(self, value):
      """Convert to the wire format.
  
      Args:
        value: is of type RepeatedFieldHelper.
  
      Returns:
        A wire format representation of the value.
      """
      output = _SerializeEntries(
          (python_format, wire_format, value.type_descriptor)
          for (python_format, wire_format) in value.wrapped_list)
      return b"", b"", output