}
		}
	}
	if len(n.PodsWithAffinity) > 0 {
		clone.PodsWithAffinity = append([]*PodInfo(nil), n.PodsWithAffinity...)
	}
	if len(n.PodsWithRequiredAntiAffinity) > 0 {
		clone.PodsWithRequiredAntiAffinity = append([]*PodInfo(nil), n.PodsWithRequiredAntiAffinity...)
	}
	if len(n.ImageStates) > 0 {
		state := make(map[string]*ImageStateSummary, len(n.ImageStates))
		for imageName, imageState := range n.ImageStates {

			// way around.
			if (len(existing.PodsWithAffinity) > 0) != (len(clone.PodsWithAffinity) > 0) {
				updateNodesHavePodsWithAffinity = true
			}
			if (len(existing.PodsWithRequiredAntiAffinity) > 0) != (len(clone.PodsWithRequiredAntiAffinity) > 0) {
				updateNodesHavePodsWithRequiredAntiAffinity = true
			}
			if !updateUsedPVCSet {
				if len(existing.PVCRefCounts) != len(clone.PVCRefCounts) {
					updateUsedPVCSet = true

	for _, v := range nodeInfoMap {
		nodeInfoList = append(nodeInfoList, v)
		if len(v.PodsWithAffinity) > 0 {
			havePodsWithAffinityNodeInfoList = append(havePodsWithAffinityNodeInfoList, v)
		}
		if len(v.PodsWithRequiredAntiAffinity) > 0 {
			havePodsWithRequiredAntiAffinityNodeInfoList = append(havePodsWithRequiredAntiAffinityNodeInfoList, v)
		}
	}

	s := NewEmptySnapshot()
	s.nodeInfoMap = nodeInfoMap
	s.nodeInfoList = nodeInfoList