code: func VolumesInUse(syncedFunc func() bool, // typically Kubelet.volumeManager.ReconcilerStatesHasBeenSynced
  	volumesInUseFunc func() []v1.UniqueVolumeName, // typically Kubelet.volumeManager.GetVolumesInUse
  ) Setter {
  	return func(node *v1.Node) error {
  		// Make sure to only update node status after reconciler starts syncing up states
  		if syncedFunc() {
  			node.Status.VolumesInUse = volumesInUseFunc()
  		}
  		return nil
  	}
  }
docs: // VolumesInUse returns a Setter that updates the volumes in use on the node.