code: func (r *Room) AfterInit() {
  	r.timer = pitaya.NewTimer(time.Minute, func() {
  		count, err := pitaya.GroupCountMembers(context.Background(), "room")
  		println("UserCount: Time=>", time.Now().String(), "Count=>", count, "Error=>", err)
  		println("OutboundBytes", r.Stats.outboundBytes)
  		println("InboundBytes", r.Stats.outboundBytes)
  	})
  }
docs: // AfterInit component lifetime callback