}

// TransitionDays is a type alias to unmarshal Days in Transition
type TransitionDays int

// UnmarshalXML parses number of days from Transition and validates if
// >= 0
func (tDays *TransitionDays) UnmarshalXML(d *xml.Decoder, startElement xml.StartElement) error {
	var days int
	err := d.DecodeElement(&days, &startElement)
	if err != nil {
		return err
	}

	if days < 0 {
		return errTransitionInvalidDays
	}

	errLifecycleInvalidDays         = Errorf("Days must be positive integer when used with Expiration")
	errLifecycleInvalidExpiration   = Errorf("Exactly one of Days (positive integer) or Date (positive ISO 8601 format) should be present inside Expiration.")
	errLifecycleInvalidDeleteMarker = Errorf("Delete marker cannot be specified with Days or Date in a Lifecycle Expiration Policy")

./mc ilm edit --id "${id}" --expire-days "100" sitea/bucket
sleep 30s

count1=$(./mc ilm rule list sitea/bucket --json | jq '.config.Rules[0].Expiration.Days')
count2=$(./mc ilm rule list siteb/bucket --json | jq '.config.Rules[0].Expiration.Days')
if [ $count1 -ne 100 ]; then
	echo "BUG: Expiration days not changed on 'sitea'"
	exit 1
fi

			objectName:     "foxdir/fooobject",
			objectModTime:  time.Now().UTC().Add(-10 * 24 * time.Hour), // Created 10 days ago
			expectedAction: NoneAction,
		},
		// Should remove (test Days)
		{
			inputConfig:    `<LifecycleConfiguration><Rule><Filter><Prefix>foodir/</Prefix></Filter><Status>Enabled</Status><Expiration><Days>5</Days></Expiration></Rule></LifecycleConfiguration>`,

				<Expiration>
					<Days>365</Days>
				</Expiration>
                            <Status>Enabled</Status>
	                    </Rule>`,
			expectedErr: errXMLNotWellFormed,
		},
		{
			inputXML: `<Rule>
				<ID>Rule with a tag and DelMarkerExpiration</ID>
				<Filter><Tag><Key>k1</Key><Value>v1</Value></Tag></Filter>
				<DelMarkerExpiration>
					<Days>365</Days>
				</DelMarkerExpiration>

            This issue is stale because it has been open for 7 days with no activity.
            It will be closed if no further activity occurs. Thank you.
          close-issue-message: >
            This issue was closed because it has been inactive for 7 days since being marked as stale.
            Please reopen if you'd like to work on this further.
          days-before-pr-stale: 14
          days-before-pr-close: 14

	}

	if retention.Days == nil && retention.Years == nil {
		return fmt.Errorf("either Days or Years must be specified")
	}

	if retention.Days != nil && retention.Years != nil {
		return fmt.Errorf("either Days or Years must be specified, not both")
	}

	//nolint:gocritic
	if retention.Days != nil {
		if *retention.Days == 0 {

Lifecycle configuration imported successfully to `play/testbucket`.
```

- List the current settings

```
$ mc ilm ls play/testbucket
     ID     |  Prefix  |  Enabled   | Expiry |  Date/Days   |  Transition  |    Date/Days     |  Storage-Class   |       Tags
------------|----------|------------|--------|--------------|--------------|------------------|------------------|------------------

		},
		{
			value:       DefaultRetention{Mode: RetGovernance, Days: &days, Years: &years},
			expectedErr: fmt.Errorf("either Days or Years must be specified, not both"),
			expectErr:   true,
		},
		{
			value:       DefaultRetention{Mode: RetGovernance, Days: &zerodays},
			expectedErr: fmt.Errorf("Default retention period must be a positive integer value for 'Days'"),
			expectErr:   true,
		},
		{

import (
	"encoding/xml"
	"time"
)

var errInvalidDaysDelMarkerExpiration = Errorf("Days must be a positive integer with DelMarkerExpiration")

// DelMarkerExpiration used to xml encode/decode ILM action by the same name
type DelMarkerExpiration struct {
	XMLName xml.Name `xml:"DelMarkerExpiration"`
	Days    int      `xml:"Days,omitempty"`
}

// Empty returns if a DelMarkerExpiration XML element is empty.