Help = config.HelpKVS{
		config.HelpKV{
			Key:         Bitrot,
			Description: `perform bitrot scan on drives when checking objects during scanner` + defaultHelpPostfix(Bitrot),
			Optional:    true,
			Type:        "on|off",
		},
		config.HelpKV{
			Key:         Sleep,
			Description: `maximum sleep duration between objects to slow down heal operation` + defaultHelpPostfix(Sleep),
			Optional:    true,
			Type:        "duration",
		},

	// SSE-S3 auto-encryption. SSE-S3 auto-encryption, if enabled,
	// requires a valid KMS configuration and turns any non-SSE-C
	// request into an SSE-S3 request.
	// If present EnvAutoEncryption must be either "on" or "off".
	EnvKMSAutoEncryption = "MINIO_KMS_AUTO_ENCRYPTION"
)

// LookupAutoEncryption returns true if and only if
// the MINIO_KMS_AUTO_ENCRYPTION env. variable is
// set to "on".
func LookupAutoEncryption() bool {

			Optional:    true,
			Type:        "boolean",
		},
		config.HelpKV{
			Key:         apiRootAccess,
			Description: "turn 'off' root credential access for all API calls including s3, admin operations" + defaultHelpPostfix(apiRootAccess),
			Optional:    true,
			Type:        "boolean",
		},
		config.HelpKV{
			Key:         apiSyncEvents,

			val, ok = reqQueries[header]
		}
		if ok {
			extractedSignedHeaders[http.CanonicalHeaderKey(header)] = val
			continue
		}
		switch header {
		case "expect":
			// Golang http server strips off 'Expect' header, if the
			// client sent this as part of signed headers we need to
			// handle otherwise we would see a signature mismatch.
			// `aws-cli` sets this as part of signed headers.
			//
			// According to

		}

	}
	defer syscall.Close(fd)

	bufp := direntPool.Get().(*[]byte)
	defer direntPool.Put(bufp)
	buf := *bufp

	boff := 0 // starting read position in buf
	nbuf := 0 // end valid data in buf

	for {
		if boff >= nbuf {
			boff = 0
			stop := globalOSMetrics.time(osMetricReadDirent)
			nbuf, err = syscall.ReadDirent(fd, buf)
			stop()
			if err != nil {

			Optional:    true,
			Type:        "on|off",
		},
		config.HelpKV{
			Key:         ServerInsecure,
			Description: `allow plain text connection to AD/LDAP server` + defaultHelpPostfix(ServerInsecure),
			Optional:    true,
			Type:        "on|off",
		},
		config.HelpKV{
			Key:         ServerStartTLS,

			Optional:    true,
			Type:        "on|off",
		},
		config.HelpKV{
			Key:         KafkaTLS,
			Description: "set to 'on' to enable TLS",
			Optional:    true,
			Type:        "on|off",
		},
		config.HelpKV{
			Key:         KafkaTLSSkipVerify,
			Description: `trust server TLS without verification, defaults to "on" (verify)`,
			Optional:    true,
			Type:        "on|off",
		},
		config.HelpKV{

		},
		config.HelpKV{
			Key:         ClaimUserinfo,
			Description: `Enable fetching claims from UserInfo Endpoint for authenticated user` + defaultHelpPostfix(ClaimUserinfo),
			Optional:    true,
			Type:        "on|off",
		},
		config.HelpKV{
			Key:         KeyCloakRealm,

	ch, s3Err := parseCredentialHeader("Credential="+r.Form.Get(xhttp.AmzCredential), region, stype)
	if s3Err != ErrNone {
		// Strip off the Algorithm prefix.
		v4Auth := strings.TrimPrefix(r.Header.Get("Authorization"), signV4Algorithm)
		authFields := strings.Split(strings.TrimSpace(v4Auth), ",")
		if len(authFields) != 3 {

// Callhome related keys
const (
	Enable    = "enable"
	Frequency = "frequency"
)

// DefaultKVS - default KV config for subnet settings
var DefaultKVS = config.KVS{
	config.KV{
		Key:   Enable,
		Value: "off",
	},
	config.KV{
		Key:   Frequency,
		Value: "24h",
	},
}

// callhomeCycleDefault is the default interval between two callhome cycles (24hrs)
const callhomeCycleDefault = 24 * time.Hour