gopts.NoLock = true // We already have a lock, we can live with it.
	objInfo, err := getObjectInfo(ctx, bucket, object, gopts)
	if err != nil {
		// Versioning enabled quite possibly object is deleted might be delete-marker
		// if present set the headers, no idea why AWS S3 sets these headers.
		if objInfo.VersionID != "" && objInfo.DeleteMarker {
			w.Header()[xhttp.AmzVersionID] = []string{objInfo.VersionID}

		HTTPStatusCode: http.StatusBadRequest,
	},
	ErrInvalidPrefixMarker: {
		Code:           "InvalidPrefixMarker",
		Description:    "Invalid marker prefix combination",
		HTTPStatusCode: http.StatusBadRequest,
	},
	ErrBadRequest: {
		Code:           "BadRequest",
		Description:    "400 BadRequest",
		HTTPStatusCode: http.StatusBadRequest,
	},

	default:
		// Does not happen
		return nil
	}
}

// Value arithmetic functions: we do not expose them outside the
// module. All arithmetic works only on numeric values with automatic
// promotion to the "larger" type that can represent the value. TODO:
// Add support for large number arithmetic.

// Supported arithmetic operators
const (
	opPlus     = "+"
	opMinus    = "-"
	opDivide   = "/"
	opMultiply = "*"

		}
		if result.Prefixes[0] != "this/" {
			t.Errorf("%s: Expected the prefix to be `%s`, but instead found `%s`", instanceType, "this/", result.Prefixes[0])
		}
	}

	// check results with Marker.
	{

		result, err = obj.ListObjects(context.Background(), "bucket", "", "newPrefix", "", 3)
		if err != nil {
			t.Fatalf("%s: <ERROR> %s", instanceType, err)
		}
		if result.Objects[0].Name != "newPrefix2" {

	return MetricDescription{
		Namespace: clusterMetricNamespace,
		Subsystem: usageSubsystem,
		Name:      versionTotal,
		Help:      "Total number of versions (includes delete marker) in a cluster",
		Type:      gaugeMetric,
	}
}

func getClusterUsageDeleteMarkersTotalMD() MetricDescription {
	return MetricDescription{
		Namespace: clusterMetricNamespace,
		Subsystem: usageSubsystem,

package jwt

// This file is a re-implementation of the original code here with some
// additional allocation tweaks reproduced using GODEBUG=allocfreetrace=1
// original file https://github.com/golang-jwt/jwt/blob/main/parser.go
// borrowed under MIT License https://github.com/golang-jwt/jwt/blob/main/LICENSE

import (
	"fmt"
	"testing"
	"time"

	"github.com/golang-jwt/jwt/v4"
)

var (

// Other important fields are Limit, Marker.
// List ID always derived from the Marker.
func (z *erasureServerPools) listPath(ctx context.Context, o *listPathOptions) (entries metaCacheEntriesSorted, err error) {
	if err := checkListObjsArgs(ctx, o.Bucket, o.Prefix, o.Marker); err != nil {
		return entries, err
	}

	// Marker points to before the prefix, just ignore it.
	if o.Marker < o.Prefix {
		o.Marker = ""
	}

func optimalPartSize(objectSize int64) (partSize int64, err error) {
	// object size is '-1' set it to 5TiB.
	if objectSize == -1 {
		objectSize = maxMultipartPutObjectSize
	}

	// object size is larger than supported maximum.
	if objectSize > maxMultipartPutObjectSize {
		err = errors.New("entity too large")
		return
	}

	configuredPartSize := minPartSize
	// Use floats for part size for all calculations to avoid

var errSignatureMismatch = errors.New("Signature does not match")

// When upload object size is greater than 5G in a single PUT/POST operation.
var errDataTooLarge = errors.New("Object size larger than allowed limit")

// When upload object size is less than what was expected.
var errDataTooSmall = errors.New("Object size smaller than expected")

// errServerNotInitialized - server not initialized.

				t.Log("ListObjectVersions, bucket:", testCase.bucketName, "prefix:",
					testCase.prefix, "marker:", testCase.marker, "delimiter:",
					testCase.delimiter, "maxkeys:", testCase.maxKeys)

				resultV, err = obj.ListObjectVersions(context.Background(), testCase.bucketName,
					testCase.prefix, testCase.marker, "", testCase.delimiter, testCase.maxKeys)
			} else {