docs: def _HandleLegacy(self, args, token=None):
      """Retrieves the stats for a hunt."""
      hunt_obj = aff4.FACTORY.Open(
          args.hunt_id.ToURN(), aff4_type=implementation.GRRHunt, token=token)
  
      stats = hunt_obj.GetRunner().context.usage_stats
  
      return ApiGetHuntStatsResult(stats=stats)