}

	if setDriveCount > 2 {
		if ssParity > setDriveCount/2 {
			return fmt.Errorf("Standard storage class parity %d should be less than or equal to %d", ssParity, setDriveCount/2)
		}

		if rrsParity > setDriveCount/2 {
			return fmt.Errorf("Reduced redundancy storage class parity %d should be less than or equal to %d", rrsParity, setDriveCount/2)
		}
	}

	if ssParity > 0 && rrsParity > 0 {
		if ssParity < rrsParity {

	return getFileInfoVersions(e.metadata, bucket, e.name, false)
}

// metaCacheEntries is a slice of metacache entries.
type metaCacheEntries []metaCacheEntry

// less function for sorting.
func (m metaCacheEntries) less(i, j int) bool {
	return m[i].name < m[j].name
}

// sort entries by name.
// m is sorted and a sorted metadata object is returned.

	// abc
	// abc
	// dbc
}

func ExampleCompare() {
	// Interpret Compare's result by comparing it to zero.
	var a, b []byte
	if bytes.Compare(a, b) < 0 {
		// a less b
	}
	if bytes.Compare(a, b) <= 0 {
		// a less or equal b
	}
	if bytes.Compare(a, b) > 0 {
		// a greater b
	}
	if bytes.Compare(a, b) >= 0 {
		// a greater or equal b
	}

)

// ObjectsHistogramIntervalsV1 is the list of all intervals
// of object sizes to be included in objects histogram(V1).
var ObjectsHistogramIntervalsV1 = [dataUsageBucketLenV1]objectHistogramInterval{
	{"LESS_THAN_1024_B", 0, humanize.KiByte - 1},
	{"BETWEEN_1024B_AND_1_MB", humanize.KiByte, humanize.MiByte - 1},
	{"BETWEEN_1_MB_AND_10_MB", humanize.MiByte, humanize.MiByte*10 - 1},

	return 0, 0, InvalidRange{}
}

func findFileInfoInQuorum(ctx context.Context, metaArr []FileInfo, modTime time.Time, etag string, quorum int) (FileInfo, error) {
	// with less quorum return error.
	if quorum < 1 {
		return FileInfo{}, InsufficientReadQuorum{Err: errErasureReadQuorum, Type: RQInsufficientOnlineDrives}
	}
	metaHashes := make([]string, len(metaArr))
	h := sha256.New()

//       metadata:
//         - key: content-type
//           value: image/* # match objects with 'content-type', all values starting with 'image/'
//       size:
//         lessThan: "10MiB" # match objects with size less than this value (e.g. 10MiB)
//         greaterThan: 1MiB # match objects with size greater than this value (e.g. 1MiB)
//       purge:

	if p.QueueDir != "" {
		if !filepath.IsAbs(p.QueueDir) {
			return errors.New("queueDir path should be absolute")
		}
	}

	if p.MaxOpenConnections < 0 {
		return errors.New("maxOpenConnections cannot be less than zero")
	}

	return nil
}

// PostgreSQLTarget - PostgreSQL target.
type PostgreSQLTarget struct {
	initOnce once.Init

	id         event.TargetID
	args       PostgreSQLArgs

	m.respWait = out
}

// RequestStream will send a single payload request and stream back results.
// 'requests' can be nil, in which case only req is sent as input.
// It will however take less resources.
func (m *muxClient) RequestStream(h HandlerID, payload []byte, requests chan []byte, responses chan Response) (*Stream, error) {
	if m.init {
		return nil, errors.New("mux client already used")
	}

// The returned reader contains the payload and must be closed if no error is returned.
func waitForHTTPStream(respBody io.ReadCloser, w io.Writer) error {
	var tmp [1]byte
	// 8K copy buffer, reused for less allocs...
	bufp := poolBuf8k.Get().(*[]byte)
	buf := *bufp
	defer poolBuf8k.Put(bufp)
	for {
		_, err := io.ReadFull(respBody, tmp[:])
		if err != nil {
			return err
		}

}

// ObjectTooSmall error returned when the size of the object < what is expected.
type ObjectTooSmall GenericError

func (e ObjectTooSmall) Error() string {
	return "size of the object less than what is expected"
}

// OperationTimedOut - a timeout occurred.
type OperationTimedOut struct{}

func (e OperationTimedOut) Error() string {
	return "Operation timed out"
}