// Currently only supported scheme is "EC".
func parseStorageClass(storageClassEnv string) (sc StorageClass, err error) {
	s := strings.Split(storageClassEnv, ":")

	// only two elements allowed in the string - "scheme" and "number of parity drives"
	if len(s) > 2 {
		return StorageClass{}, config.ErrStorageClassValue(nil).Msg("Too many sections in " + storageClassEnv)
	} else if len(s) < 2 {

			expectedErr: errors.New("expected element type <Status> but have <MyStatus>"),
			expectErr:   true,
		},
		// invalid XML attr
		{
			value:       `<?xml version="1.0" encoding="UTF-8"?><UnknownLegalHold xmlns="http://s3.amazonaws.com/doc/2006-03-01/"><Status>ON</Status></UnknownLegalHold>`,
			expectedErr: errors.New("expected element type <LegalHold>/<ObjectLockLegalHold> but have <UnknownLegalHold>"),

		}
	}
	m.o = dst
}

// filterRecursiveEntries will keep entries only with the prefix that doesn't contain separator.
// This can be used to remove recursive listings.
// To return root elements only set prefix to an empty string.
// Order is preserved, but the underlying slice is modified.
func (m *metaCacheEntriesSorted) filterRecursiveEntries(prefix, separator string) {
	dst := m.o[:0]
	if prefix != "" {

	if eDate.Time.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

		},
		// With a list of only one element nothing to sort.
		{
			ipList:       []string{"hostname"},
			sortedIPList: []string{"hostname"},
		},
		// With a list of only one element nothing to sort.
		{
			ipList:       []string{"127.0.0.1"},
			sortedIPList: []string{"127.0.0.1"},
		},
		// Non parsable ip is assumed to be hostame and gets preserved
		// as the left most elements, regardless of IP based sorting.
		{

	switch start.Name.Local {
	case "LifecycleConfiguration", "BucketLifecycleConfiguration":
	default:
		return xml.UnmarshalError(fmt.Sprintf("expected element type <LifecycleConfiguration>/<BucketLifecycleConfiguration> but have <%s>",
			start.Name.Local))
	}
	for {
		// Read tokens from the XML document in a stream.
		t, err := d.Token()
		if err != nil {

	Location string   `xml:"LocationConstraint"`
}

// DeleteObjectsRequest - xml carrying the object key names which needs to be deleted.
type DeleteObjectsRequest struct {
	// Element to enable quiet mode for the request
	Quiet bool
	// List of objects to be deleted
	Objects []ObjectToDelete `xml:"Object"`

//
// All stream elements are msgpack encoded.
//
// 1 Integer, metacacheStreamVersion of the writer.
// This can be used for managing breaking changes.
//
// For each element:
// 1. Bool. If false at end of stream.
// 2. String. Name of object. Directories contains a trailing slash.
// 3. Binary. Blob of metadata. Length 0 on directories.
// ... Next element.
//

// Get an aggregated storage info across all disks.
func getStorageInfo(disks []StorageAPI, endpoints []Endpoint, metrics bool) StorageInfo {
	disksInfo := getDisksInfo(disks, endpoints, metrics)

	// Sort so that the first element is the smallest.
	sort.Slice(disksInfo, func(i, j int) bool {
		return disksInfo[i].TotalSpace < disksInfo[j].TotalSpace
	})

	storageInfo := StorageInfo{
		Disks: disksInfo,
	}

}

//msgp:ignore dataUsageEntryInfo
type dataUsageEntryInfo struct {
	Name   string
	Parent string
	Entry  dataUsageEntry
}

type dataUsageCacheInfo struct {
	// Name of the bucket. Also root element.
	Name       string
	NextCycle  uint32
	LastUpdate time.Time
	// indicates if the disk is being healed and scanner
	// should skip healing the disk
	SkipHealing bool