func validateAllowedTopologies(topologies []api.TopologySelectorTerm, fldPath *field.Path) field.ErrorList {
	allErrs := field.ErrorList{}

	if len(topologies) == 0 {
		return allErrs
	}

	rawTopologies := make([]map[string]sets.Set[string], len(topologies))
	for i, term := range topologies {
		idxPath := fldPath.Index(i)

	TopologyPairToPodCounts map[topologyPair]*int64
	// TopologyNormalizingWeight is the weight we give to the counts per topology.
	// This allows the pod counts of smaller topologies to not be watered down by
	// bigger ones.
	TopologyNormalizingWeight []float64
}

// Clone implements the mandatory Clone interface. We don't really copy the data since
// there is no need for that.

	if !ok {
		return nil, fmt.Errorf("%+v convert to podtopologyspread.preFilterState error", c)
	}
	return s, nil
}

// calPreFilterState computes preFilterState describing how pods are spread on topologies.
func (pl *PodTopologySpread) calPreFilterState(ctx context.Context, pod *v1.Pod) (*preFilterState, error) {
	constraints, err := pl.getConstraints(pod)
	if err != nil {

			// representation. This one was created following the these concepts:
			// 1. be internally consistent (most important rule)
			// 2. be as close as possible as existing HW topologies
			// 3. if possible, minimize chances wrt existing HW topologies.
			name: "DualNumaMultiSocketPerNumaHT",
			machineInfo: cadvisorapi.MachineInfo{
				NumCores:   80,
				NumSockets: 4,
				Topology: []cadvisorapi.Node{
					{Id: 0,

		// to not leave such pods in pending state forever, we check that if no other pod
		// in the cluster matches the namespace and selector of this pod, the pod matches
		// its own terms, and the node has all the requested topologies, then we allow the pod
		// to pass the affinity check.
		if len(state.affinityCounts) == 0 && podMatchesAllAffinityTerms(state.podInfo.RequiredAffinityTerms, state.podInfo.Pod) {
			return true
		}
		return false

		{Event: framework.ClusterEvent{Resource: framework.PersistentVolume, ActionType: framework.Add | framework.Update}},
		// Pods may fail to find available PVs because the node labels do not
		// match the storage class's allowed topologies or PV's node affinity.
		// A new or updated node may make pods schedulable.
		//
		// A note about UpdateNodeTaint event:
		// NodeAdd QueueingHint isn't always called because of the internal feature called preCheck.

  // This field is only honored by servers that enable the VolumeScheduling feature.
  // +optional
  optional string volumeBindingMode = 7;

  // allowedTopologies restrict the node topologies where volumes can be dynamically provisioned.
  // Each volume plugin defines its own supported topology specifications.
  // An empty TopologySelectorTerm list means there is no topology restriction.

  // This field is only honored by servers that enable the VolumeScheduling feature.
  // +optional
  optional string volumeBindingMode = 7;

  // allowedTopologies restrict the node topologies where volumes can be dynamically provisioned.
  // Each volume plugin defines its own supported topology specifications.
  // An empty TopologySelectorTerm list means there is no topology restriction.

	"allowedTopologies":    "allowedTopologies restrict the node topologies where volumes can be dynamically provisioned. Each volume plugin defines its own supported topology specifications. An empty TopologySelectorTerm list means there is no topology restriction. This field is only honored by servers that enable the...

	"allowedTopologies":    "allowedTopologies restrict the node topologies where volumes can be dynamically provisioned. Each volume plugin defines its own supported topology specifications. An empty TopologySelectorTerm list means there is no topology restriction. This field is only honored by servers that enable the...