</Expiration>`,
			expectedErr: errLifecycleInvalidExpiration,
		},
		{ // Expiration with both ExpiredObjectDeleteMarker and days
			inputXML: `<Expiration>
                                    <Days>3</Days>
			            <ExpiredObjectDeleteMarker>false</ExpiredObjectDeleteMarker>
                                    </Expiration>`,
			expectedErr: errLifecycleInvalidDeleteMarker,
		},

	if eDate.IsZero() {
		return nil
	}
	return e.EncodeElement(eDate.Format(time.RFC3339), startElement)
}

// ExpireDeleteMarker represents value of ExpiredObjectDeleteMarker field in Expiration XML element.
type ExpireDeleteMarker struct {
	Boolean
}

// Boolean signifies a boolean XML struct with custom marshaling
type Boolean struct {
	val    bool
	set    bool

```
{
    "Rules": [
        {
            "ID": "Removing all delete markers",
            "Expiration": {
                "ExpiredObjectDeleteMarker": true
            },
            "Status": "Enabled"
        }
    ]
}
```

## 4. Enable ILM transition feature