LabelSelector *metav1.LabelSelector
	// MinDomains indicates a minimum number of eligible domains.
	// When the number of eligible domains with matching topology keys is less than minDomains,
	// Pod Topology Spread treats "global minimum" as 0, and then the calculation of Skew is performed.
	// And when the number of eligible domains with matching topology keys equals or greater than minDomains,
	// this value has no effect on scheduling.

func validateMinDomains(fldPath *field.Path, minDomains *int32, action core.UnsatisfiableConstraintAction) field.ErrorList {
	if minDomains == nil {
		return nil
	}
	var allErrs field.ErrorList
	if *minDomains <= 0 {
		allErrs = append(allErrs, field.Invalid(fldPath, minDomains, isNotPositiveErrorMsg))
	}
	// When MinDomains is non-nil, whenUnsatisfiable must be DoNotSchedule.

	// The number of domains is less than 5(MinDomains), so "global minimum" is treated as 0.
	// In this situation, new pod with the same labelSelector cannot be scheduled,
	// because computed skew will be 3(3 - 0) if new Pod is scheduled to any of the three zones,
	// it will violate MaxSkew.
	// +optional
	MinDomains *int32 `json:"minDomains,omitempty" protobuf:"varint,5,opt,name=minDomains"`

	"minDomains":         "MinDomains indicates a minimum number of eligible domains. When the number of eligible domains with matching topology keys is less than minDomains, Pod Topology Spread treats \"global minimum\" as 0, and then the calculation of Skew is performed. And when the number of eligible domains with matching topology keys equals or greater than minDomains, this value has no effect on scheduling. As a result, when the number...

  // MinDomains indicates a minimum number of eligible domains.
  // When the number of eligible domains with matching topology keys is less than minDomains,
  // Pod Topology Spread treats "global minimum" as 0, and then the calculation of Skew is performed.
  // And when the number of eligible domains with matching topology keys equals or greater than minDomains,
  // this value has no effect on scheduling.

	}, {
		name: "can use MinDomains with ScheduleAnyway, when MinDomains = nil",
		constraints: []core.TopologySpreadConstraint{{
			MaxSkew:           1,
			TopologyKey:       "k8s.io/zone",
			WhenUnsatisfiable: core.ScheduleAnyway,
			MinDomains:        nil,
		}},
		wantFieldErrors: field.ErrorList{},
	}, {
		name: "negative minDomains is invalid",

	MemoryQoS featuregate.Feature = "MemoryQoS"

	// owner: @sanposhiho
	// kep: https://kep.k8s.io/3022
	// alpha: v1.24
	// beta: v1.25
	// GA: v1.30
	//
	// Enable MinDomains in Pod Topology Spread.
	MinDomainsInPodTopologySpread featuregate.Feature = "MinDomainsInPodTopologySpread"

	// owner: @aojea
	// kep: https://kep.k8s.io/1880
	// alpha: v1.27
	//

          },
          "minDomains": {

	*out = *in
	if in.LabelSelector != nil {
		in, out := &in.LabelSelector, &out.LabelSelector
		*out = new(v1.LabelSelector)
		(*in).DeepCopyInto(*out)
	}
	if in.MinDomains != nil {
		in, out := &in.MinDomains, &out.MinDomains
		*out = new(int32)
		**out = **in
	}
	if in.NodeAffinityPolicy != nil {
		in, out := &in.NodeAffinityPolicy, &out.NodeAffinityPolicy
		*out = new(NodeInclusionPolicy)

	*out = *in
	if in.LabelSelector != nil {
		in, out := &in.LabelSelector, &out.LabelSelector
		*out = new(metav1.LabelSelector)
		(*in).DeepCopyInto(*out)
	}
	if in.MinDomains != nil {
		in, out := &in.MinDomains, &out.MinDomains
		*out = new(int32)
		**out = **in
	}
	if in.NodeAffinityPolicy != nil {
		in, out := &in.NodeAffinityPolicy, &out.NodeAffinityPolicy
		*out = new(NodeInclusionPolicy)