code: func (qm *QuotaMonitor) IsSynced() bool {
  	qm.monitorLock.RLock()
  	defer qm.monitorLock.RUnlock()
  
  	if len(qm.monitors) == 0 {
  		klog.V(4).Info("quota monitor not synced: no monitors")
  		return false
  	}
  
  	for resource, monitor := range qm.monitors {
  		if !monitor.controller.HasSynced() {
  			klog.V(4).Infof("quota monitor not synced: %v", resource)
  			return false
  		}
  	}
  	return true
  }
docs: // IsSynced returns true if any monitors exist AND all those monitors'
  // controllers HasSynced functions return true. This means IsSynced could return
  // true at one time, and then later return false if all monitors were
  // reconstructed.