code: func marshalTimersList(t []*internal.Timer) []byte {
  	if len(t) == 0 {
  		return nil
  	}
  	blob, err := proto.Marshal(&internal.TimerList{Timers: t})
  	if err != nil {
  		panic(err)
  	}
  	return blob
  }
docs: // marshalTimersList serializes list of timers.
  //
  // Panics on errors.