type ObjectVersion struct {
	Object
	IsLatest  bool
	VersionID string `xml:"VersionId"`

	isDeleteMarker bool
}

// MarshalXML - marshal ObjectVersion
func (o ObjectVersion) MarshalXML(e *xxml.Encoder, start xxml.StartElement) error {
	if o.isDeleteMarker {
		start.Name.Local = "DeleteMarker"
	} else {
		start.Name.Local = "Version"
	}
	type objectVersionWrapper ObjectVersion