code: def summary_pb(self):
      
      hparam_infos = []
      for hparam in self._hparams:
        info = api_pb2.HParamInfo(
            name=hparam.name,
            description=hparam.description,
            display_name=hparam.display_name,
        )
        domain = hparam.domain
        if domain is not None:
          domain.update_hparam_info(info)
        hparam_infos.append(info)
      metric_infos = [metric.as_proto() for metric in self._metrics]
      return summary.experiment_pb(
          hparam_infos=hparam_infos,
          metric_infos=metric_infos,
          user=self._user,
          description=self._description,
          time_created_secs=self._time_created_secs,
      )
docs: Create a top-level experiment summary describing this experiment.
  
      The resulting summary should be written to a log directory that
      encloses all the individual sessions' log directories.
  
      Analogous to the low-level `experiment_pb` function in the
      `hparams.summary` module.