code: func newVolumeStatCalculator(statsProvider Provider, jitterPeriod time.Duration, pod *v1.Pod) *volumeStatCalculator {
  	return &volumeStatCalculator{
  		statsProvider: statsProvider,
  		jitterPeriod:  jitterPeriod,
  		pod:           pod,
  		stopChannel:   make(chan struct{}),
  	}
  }
docs: // newVolumeStatCalculator creates a new VolumeStatCalculator