EnableNodeInclusionPolicyInPodTopologySpread: feature.DefaultFeatureGate.Enabled(features.NodeInclusionPolicyInPodTopologySpread),
		EnableMatchLabelKeysInPodTopologySpread:      feature.DefaultFeatureGate.Enabled(features.MatchLabelKeysInPodTopologySpread),
		EnablePodDisruptionConditions:                feature.DefaultFeatureGate.Enabled(features.PodDisruptionConditions),

	// owner: @denkensk
	// kep: https://kep.k8s.io/3243
	// alpha: v1.25
	// beta: v1.27
	//
	// Enable MatchLabelKeys in PodTopologySpread.
	MatchLabelKeysInPodTopologySpread featuregate.Feature = "MatchLabelKeysInPodTopologySpread"

	// owner: @krmayankk
	// alpha: v1.24
	//
	// Enables maxUnavailable for StatefulSet
	MaxUnavailableStatefulSet featuregate.Feature = "MaxUnavailableStatefulSet"

func dropDisabledMatchLabelKeysFieldInTopologySpread(podSpec, oldPodSpec *api.PodSpec) {
	if !utilfeature.DefaultFeatureGate.Enabled(features.MatchLabelKeysInPodTopologySpread) && !matchLabelKeysInTopologySpreadInUse(oldPodSpec) {
		for i := range podSpec.TopologySpreadConstraints {
			podSpec.TopologySpreadConstraints[i].MatchLabelKeys = nil
		}
	}
}

				},
			},
		},
	}

	for _, test := range tests {
		t.Run(test.name, func(t *testing.T) {
			featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, features.MatchLabelKeysInPodTopologySpread, test.enabled)

			dropDisabledFields(test.podSpec, nil, test.oldPodSpec, nil)
			if diff := cmp.Diff(test.wantPodSpec, test.podSpec); diff != "" {
				t.Errorf("unexpected pod spec (-want, +got):\n%s", diff)

  // Keys that don't exist in the incoming pod labels will
  // be ignored. A null or empty list means only match against labelSelector.
  //
  // This is a beta field and requires the MatchLabelKeysInPodTopologySpread feature gate to be enabled (enabled by default).
  // +listType=atomic
  // +optional
  repeated string matchLabelKeys = 8;
}

	// Keys that don't exist in the incoming pod labels will
	// be ignored. A null or empty list means only match against labelSelector.
	//
	// This is a beta field and requires the MatchLabelKeysInPodTopologySpread feature gate to be enabled (enabled by default).
	// +listType=atomic
	// +optional
	MatchLabelKeys []string
}

// These are the built-in errors for PortStatus.
const (

}

func (TopologySpreadConstraint) SwaggerDoc() map[string]string {
	return map_TopologySpreadConstraint
}

  // Keys that don't exist in the incoming pod labels will
  // be ignored. A null or empty list means only match against labelSelector.
  //
  // This is a beta field and requires the MatchLabelKeysInPodTopologySpread feature gate to be enabled (enabled by default).
  // +listType=atomic
  // +optional
  repeated string matchLabelKeys = 8;
}

	// Keys that don't exist in the incoming pod labels will
	// be ignored. A null or empty list means only match against labelSelector.
	//
	// This is a beta field and requires the MatchLabelKeysInPodTopologySpread feature gate to be enabled (enabled by default).
	// +listType=atomic
	// +optional
	MatchLabelKeys []string `json:"matchLabelKeys,omitempty" protobuf:"bytes,8,opt,name=matchLabelKeys"`
}

const (

            "items": {
              "default": "",
              "type": "string"
            },
            "type": "array",