if err != nil {
					err = msgp.WrapError(err, "Purge")
					return
				}
				switch msgp.UnsafeString(field) {
				case "RetainVersions":
					z.Purge.RetainVersions, err = dc.ReadInt()
					if err != nil {
						err = msgp.WrapError(err, "Purge", "RetainVersions")
						return
					}
				default:
					err = dc.Skip()
					if err != nil {
						err = msgp.WrapError(err, "Purge")
						return

        greaterThan: 1MiB # match objects with size greater than this value (e.g. 1MiB)
      purge:
          # retainVersions: 0 # (default) delete all versions of the object. This option is the fastest.
          # retainVersions: 5 # keep the latest 5 versions of the object.
  
    - type: deleted # objects with delete marker as their latest version

//go:generate msgp -file $GOFILE

// BatchJobExpirePurge type accepts non-negative versions to be retained
type BatchJobExpirePurge struct {
	line, col      int
	RetainVersions int `yaml:"retainVersions" json:"retainVersions"`
}

var _ yaml.Unmarshaler = &BatchJobExpirePurge{}

// UnmarshalYAML - BatchJobExpirePurge extends unmarshal to extract line, col