// The kubelet lacks checkpointing, so we need to introspect the set of pods
	// in the cgroup tree prior to inspecting the set of pods in our pod manager.
	// this ensures our view of the cgroup tree does not mistakenly observe pods
	// that are added after the fact...
	var (
		cgroupPods map[types.UID]cm.CgroupName
		err        error
	)
	if kl.cgroupsPerQOS {
		pcm := kl.containerManager.NewPodContainerManager()

	}
	// Store the preserved compression metadata.
	for k, v := range compressMetadata {
		srcInfo.UserDefined[k] = v
	}

	// We need to preserve the encryption headers set in EncryptRequest,
	// so we do not want to override them, copy them instead.
	for k, v := range encMetadata {
		srcInfo.UserDefined[k] = v
	}

		if !firstSeenTime.IsZero() {
			// This is the first time we are syncing the pod. Record the latency
			// since kubelet first saw the pod if firstSeenTime is set.
			metrics.PodWorkerStartDuration.Observe(metrics.SinceInSeconds(firstSeenTime))
		} else {
			klog.V(3).InfoS("First seen time not recorded for pod",
				"podUID", pod.UID,
				"pod", klog.KObj(pod))
		}
	}