func autoConvert_v1_LabelSelector_To_unversioned_LabelSelector(in *LabelSelector, out *unversioned.LabelSelector, s conversion.Scope) error {
	if defaulting, found := s.DefaultingInterface(reflect.TypeOf(*in)); found {
		defaulting.(func(*LabelSelector))(in)
	}
	if in.MatchLabels != nil {
		in, out := &in.MatchLabels, &out.MatchLabels
		*out = make(map[string]string, len(*in))
		for key, val := range *in {
			(*out)[key] = val
		}
	} else {
		out.MatchLabels = nil
	}
	if in.MatchExpressions != nil {
		in, out := &in.MatchExpressions, &out.MatchExpressions
		*out = make([]unversioned.LabelSelectorRequirement, len(*in))
		for i := range *in {
			if err := Convert_v1_LabelSelectorRequirement_To_unversioned_LabelSelectorRequirement(&(*in)[i], &(*out)[i], s); err != nil {
				return err
			}
		}
	} else {
		out.MatchExpressions = nil
	}
	return nil
}

func autoConvert_v1_LabelSelector_To_unversioned_LabelSelector(in *LabelSelector, out *unversioned.LabelSelector, s conversion.Scope) error {
	out.MatchLabels = in.MatchLabels
	if in.MatchExpressions != nil {
		in, out := &in.MatchExpressions, &out.MatchExpressions
		*out = make([]unversioned.LabelSelectorRequirement, len(*in))
		for i := range *in {
			if err := Convert_v1_LabelSelectorRequirement_To_unversioned_LabelSelectorRequirement(&(*in)[i], &(*out)[i], s); err != nil {
				return err
			}
		}
	} else {
		out.MatchExpressions = nil
	}
	return nil
}

// AddLabelToSelector returns a selector with the given key and value added to the given selector's MatchLabels.
func AddLabelToSelector(selector *unversioned.LabelSelector, labelKey string, labelValue string) *unversioned.LabelSelector {
	if labelKey == "" {
		// Don't need to add a label.
		return selector
	}
	if selector.MatchLabels == nil {
		selector.MatchLabels = make(map[string]string)
	}
	selector.MatchLabels[labelKey] = labelValue
	return selector
}

// Clones the given selector and returns a new selector with the given key and value added.
// Returns the given selector, if labelKey is empty.
func CloneSelectorAndAddLabel(selector *unversioned.LabelSelector, labelKey string, labelValue uint32) *unversioned.LabelSelector {
	if labelKey == "" {
		// Don't need to add a label.
		return selector
	}

	// Clone.
	newSelector := new(unversioned.LabelSelector)

	// TODO(madhusudancs): Check if you can use deepCopy_extensions_LabelSelector here.
	newSelector.MatchLabels = make(map[string]string)
	if selector.MatchLabels != nil {
		for key, val := range selector.MatchLabels {
			newSelector.MatchLabels[key] = val
		}
	}
	newSelector.MatchLabels[labelKey] = fmt.Sprintf("%d", labelValue)

	if selector.MatchExpressions != nil {
		newMExps := make([]unversioned.LabelSelectorRequirement, len(selector.MatchExpressions))
		for i, me := range selector.MatchExpressions {
			newMExps[i].Key = me.Key
			newMExps[i].Operator = me.Operator
			if me.Values != nil {
				newMExps[i].Values = make([]string, len(me.Values))
				copy(newMExps[i].Values, me.Values)
			} else {
				newMExps[i].Values = nil
			}
		}
		newSelector.MatchExpressions = newMExps
	} else {
		newSelector.MatchExpressions = nil
	}

	return newSelector
}