}
			return errMalformedEncoding
		}
		break
	}

	// Parse trailers.
	wantTrailers := make(map[string]struct{}, len(cr.trailers))
	for k := range cr.trailers {
		wantTrailers[strings.ToLower(k)] = struct{}{}
	}
	input := bufio.NewScanner(bytes.NewReader(valueBuffer.Bytes()))
	for input.Scan() {
		line := strings.TrimSpace(input.Text())
		if line == "" {
			continue
		}

func registerMetricsRouter(router *mux.Router) {
	// metrics router
	metricsRouter := router.NewRoute().PathPrefix(minioReservedBucketPath).Subrouter()
	authType := prometheusAuthType(strings.ToLower(env.Get(EnvPrometheusAuthType, string(prometheusJWT))))

	auth := AuthMiddleware
	if authType == prometheusPublic {
		auth = NoAuthMiddleware
	}
	metricsRouter.Handle(prometheusMetricsPathLegacy, auth(metricsHandler()))

	var modeStr, tillStr string
	ok := false

	modeStr, ok = meta[strings.ToLower(AmzObjectLockMode)]
	if !ok {
		modeStr, ok = meta[AmzObjectLockMode]
	}
	if ok {
		mode = parseRetMode(modeStr)
	} else {
		return ObjectRetention{}
	}

	tillStr, ok = meta[strings.ToLower(AmzObjectLockRetainUntilDate)]
	if !ok {
		tillStr, ok = meta[AmzObjectLockRetainUntilDate]
	}
	if ok {

	cnt := make(map[string]int, len(sys)+len(audit))

	// Add system and audit.
	for _, t := range sys {
		key := strings.ToLower(t.Type().String())
		n := cnt[key]
		cnt[key]++
		key = fmt.Sprintf("sys_%s_%d", key, n)
		res[key] = t.Stats()
	}

	for _, t := range audit {
		key := strings.ToLower(t.Type().String())
		n := cnt[key]
		cnt[key]++
		key = fmt.Sprintf("audit_%s_%d", key, n)
		res[key] = t.Stats()
	}

	type subReaderArgs ReaderArgs
	parsedArgs := subReaderArgs{}
	if err := d.DecodeElement(&parsedArgs, &start); err != nil {
		return err
	}

	parsedArgs.ContentType = strings.ToLower(parsedArgs.ContentType)
	switch parsedArgs.ContentType {
	case document, lines:
	default:
		return errInvalidJSONType(fmt.Errorf("invalid ContentType '%v'", parsedArgs.ContentType))
	}

	*args = ReaderArgs(parsedArgs)

			}
			if objRetention.Mode.Valid() {
				oi.UserDefined[strings.ToLower(xhttp.AmzObjectLockMode)] = string(objRetention.Mode)
				oi.UserDefined[strings.ToLower(xhttp.AmzObjectLockRetainUntilDate)] = amztime.ISO8601Format(objRetention.RetainUntilDate.UTC())
			} else {
				oi.UserDefined[strings.ToLower(xhttp.AmzObjectLockMode)] = ""
				oi.UserDefined[strings.ToLower(xhttp.AmzObjectLockRetainUntilDate)] = ""
			}

func getCanonicalHeaders(signedHeaders http.Header) string {
	var headers []string
	vals := make(http.Header)
	for k, vv := range signedHeaders {
		k = strings.ToLower(k)
		headers = append(headers, k)
		vals[k] = vv
	}
	sort.Strings(headers)

	var buf bytes.Buffer
	for _, k := range headers {
		buf.WriteString(k)
		buf.WriteByte(':')
		for idx, v := range vals[k] {

	"strings"

	"github.com/IBM/sarama"
	"github.com/xdg/scram"

	"github.com/minio/minio/internal/hash/sha256"
)

func initScramClient(args KafkaArgs, config *sarama.Config) {
	switch strings.ToLower(args.SASL.Mechanism) {
	case "sha512":
		config.Net.SASL.SCRAMClientGeneratorFunc = func() sarama.SCRAMClient { return &XDGSCRAMClient{HashGeneratorFcn: KafkaSHA512} }

func ExampleToLower() {
	fmt.Printf("%s", bytes.ToLower([]byte("Gopher")))
	// Output: gopher
}

func ExampleToLowerSpecial() {
	str := []byte("AHOJ VÝVOJÁRİ GOLANG")
	totitle := bytes.ToLowerSpecial(unicode.AzeriCase, str)
	fmt.Println("Original : " + string(str))
	fmt.Println("ToLower : " + string(totitle))
	// Output:
	// Original : AHOJ VÝVOJÁRİ GOLANG
	// ToLower : ahoj vývojári golang
}

	"crypto/sha512"
	"strings"

	"github.com/IBM/sarama"
	"github.com/xdg/scram"

	"github.com/minio/minio/internal/hash/sha256"
)

func initScramClient(cfg Config, config *sarama.Config) {
	switch strings.ToLower(cfg.SASL.Mechanism) {
	case "sha512":
		config.Net.SASL.SCRAMClientGeneratorFunc = func() sarama.SCRAMClient { return &XDGSCRAMClient{HashGeneratorFcn: KafkaSHA512} }