code: func NewSyncVolumeResize(
  	loopPeriod time.Duration,
  	opsExecutor operationexecutor.OperationExecutor,
  	resizeMap cache.VolumeResizeMap,
  	kubeClient clientset.Interface) SyncVolumeResize {
  	rc := &syncResize{
  		loopPeriod:  loopPeriod,
  		opsExecutor: opsExecutor,
  		resizeMap:   resizeMap,
  		kubeClient:  kubeClient,
  	}
  	return rc
  }
docs: // NewSyncVolumeResize returns actual volume resize handler