type MetricV2 struct {
	Description          MetricDescription `json:"Description"`
	StaticLabels         map[string]string `json:"StaticLabels"`
	Value                float64           `json:"Value"`
	VariableLabels       map[string]string `json:"VariableLabels"`
	HistogramBucketLabel string            `json:"HistogramBucketLabel"`
	Histogram            map[string]uint64 `json:"Histogram"`
}

func NewMSS() *MSS {
	m := MSS(mssPool.Get().(map[string]string))
	for k := range m {
		delete(m, k)
	}
	return &m
}

// NewMSSWith returns a new MSS with the given map.
func NewMSSWith(m map[string]string) *MSS {
	m2 := MSS(m)
	return &m2
}

var mssPool = sync.Pool{
	New: func() interface{} {
		return make(map[string]string, 5)
	},
}

// Recycle the underlying map.

	sys := &BucketTargetSys{
		arnRemotesMap: make(map[string]arnTarget),
		targetsMap:    make(map[string][]madmin.BucketTarget),
		arnErrsMap:    make(map[string]arnErrs),
		hc:            make(map[string]epHealth),
		hcClient:      newHCClient(),
	}
	// reload healthCheck endpoints map periodically to remove stale endpoints from the map.
	go func() {
		rTimer := time.NewTimer(defaultHealthCheckReloadDuration)

	res := auditTargets
	return res
}

// CurrentStats returns the current statistics.
func CurrentStats() map[string]types.TargetStats {
	sys := SystemTargets()
	audit := AuditTargets()
	res := make(map[string]types.TargetStats, len(sys)+len(audit))
	cnt := make(map[string]int, len(sys)+len(audit))

	// Add system and audit.
	for _, t := range sys {
		key := strings.ToLower(t.Type().String())

	if !c.Valid() {
		return nil
	}
	return &c
}

// ReadCheckSums will read checksums from b and return them.
func ReadCheckSums(b []byte, part int) map[string]string {
	res := make(map[string]string, 1)
	for len(b) > 0 {
		t, n := binary.Uvarint(b)
		if n < 0 {
			break
		}
		b = b[n:]

		typ := ChecksumType(t)
		length := typ.RawByteLen()

	// List of unique LDAP (parent) user DNs that have active creds
	var parentUsers []string
	// Map of LDAP user to list of active credential objects
	parentUserToCredsMap := make(map[string][]auth.Credentials)
	// DN to ldap username mapping for each LDAP user
	parentUserToLDAPUsernameMap := make(map[string]string)
	for _, cred := range allCreds {
		// Expired credentials don't need parent user updates.

		},
	}
)

// Config console and http logger targets
type Config struct {
	Console      Console                 `json:"console"`
	HTTP         map[string]http.Config  `json:"http"`
	AuditWebhook map[string]http.Config  `json:"audit"`
	AuditKafka   map[string]kafka.Config `json:"audit_kafka"`
}

// NewConfig - initialize new logger config.
func NewConfig() Config {
	cfg := Config{

		ndjson := c.Bool("ndjson")
		if c.Bool("data") && c.Bool("combine") {
			return errors.New("cannot combine --data and --combine")
		}
		// file / version / file
		filemap := make(map[string]map[string]string)
		// versionID ->
		combineFiles := make(map[string][]string)
		decode := func(r io.Reader, file string) ([]byte, error) {
			file = strings.ReplaceAll(file, ":", "_")
			b, err := io.ReadAll(r)
			if err != nil {

}

func getServerSystemCfg() *ServerSystemConfig {
	envs := env.List("MINIO_")
	envValues := make(map[string]string, len(envs))
	for _, envK := range envs {
		// skip certain environment variables as part
		// of the whitelist and could be configured
		// differently on each nodes, update skipEnvs()
		// map if there are such environment values
		if _, ok := skipEnvs[envK]; ok {
			continue
		}

// Fetch claims in the security token returned by the client, doesn't return
// errors - upon errors the returned claims map will be empty.
func mustGetClaimsFromToken(r *http.Request) map[string]interface{} {
	claims, _ := getClaimsFromToken(getSessionToken(r))
	return claims
}

func getClaimsFromTokenWithSecret(token, secret string) (map[string]interface{}, error) {
	// JWT token for x-amz-security-token is signed with admin