DefaultConstraints: []corev1.TopologySpreadConstraint{
									{MaxSkew: 1, TopologyKey: "zone", WhenUnsatisfiable: corev1.ScheduleAnyway},
								},
								DefaultingType: config.SystemDefaulting,
							},
						},
						{
							Name: "VolumeBinding",
							Args: &config.VolumeBindingArgs{
								BindTimeoutSeconds: 300,
							},
						},
						{
							Name: "NodeAffinity",

	if v != config.SystemDefaulting && v != config.ListDefaulting {
		return field.NotSupported(p, v, []string{string(config.SystemDefaulting), string(config.ListDefaulting)})
	}
	if v == config.SystemDefaulting && len(constraints) > 0 {
		return field.Invalid(p, v, "when .defaultConstraints are not empty")
	}
	return nil
}

			TypeMeta: metav1.TypeMeta{
				Kind:       "PodTopologySpreadArgs",
				APIVersion: "kubescheduler.config.k8s.io/v1",
			},
			DefaultingType: configv1.SystemDefaulting,
		}},
	},
	{
		Name: "VolumeBinding",
		Args: runtime.RawExtension{Object: &configv1.VolumeBindingArgs{
			TypeMeta: metav1.TypeMeta{
				Kind:       "VolumeBindingArgs",

									},
								},
							},
							{
								Name: "PodTopologySpread",
								Args: &kubeschedulerconfig.PodTopologySpreadArgs{
									DefaultingType: kubeschedulerconfig.SystemDefaulting,
								},
							},
							{
								Name: "VolumeBinding",
								Args: &kubeschedulerconfig.VolumeBindingArgs{
									BindTimeoutSeconds: 600,
								},
							},
						},
					},

			args: &config.PodTopologySpreadArgs{
				DefaultingType: config.ListDefaulting,
			},
		},
		"system default constraints": {
			args: &config.PodTopologySpreadArgs{
				DefaultingType: config.SystemDefaulting,
			},
		},
		"wrong constraints": {
			args: &config.PodTopologySpreadArgs{
				DefaultingType: "unknown",
			},
			wantErrs: field.ErrorList{
				&field.Error{

		enableMatchLabelKeysInPodTopologySpread:      fts.EnableMatchLabelKeysInPodTopologySpread,
	}
	if args.DefaultingType == config.SystemDefaulting {
		pl.defaultConstraints = systemDefaultConstraints
		pl.systemDefaulted = true
	}
	if len(pl.defaultConstraints) != 0 {
		if h.SharedInformerFactory() == nil {