code: func (rq *ResourceQuotaController) resyncMonitors(resources map[schema.GroupVersionResource]struct{}) error {
  	if rq.quotaMonitor == nil {
  		return nil
  	}
  
  	if err := rq.quotaMonitor.SyncMonitors(resources); err != nil {
  		return err
  	}
  	rq.quotaMonitor.StartMonitors()
  	return nil
  }
docs: // resyncMonitors starts or stops quota monitors as needed to ensure that all
  // (and only) those resources present in the map are monitored.