key.Name = k
	if strings.HasSuffix(k, compressExt) {
		key.Compress = true
		key.Name = strings.TrimSuffix(key.Name, compressExt)
	}
	if key.ItemCount, _ = getItemCount(k); key.ItemCount > 1 {
		key.Name = strings.TrimPrefix(key.Name, fmt.Sprintf("%d:", key.ItemCount))
	}
	if vals := strings.Split(key.Name, "."); len(vals) == 2 {
		key.Extension = "." + vals[1]
		key.Name = strings.TrimSuffix(key.Name, key.Extension)
	}
	return key

// NewFTPDriver implements ftp.Driver interface
func NewFTPDriver() ftp.Driver {
	return &ftpDriver{endpoint: fmt.Sprintf("127.0.0.1:%s", globalMinioPort)}
}

func buildMinioPath(p string) string {
	return strings.TrimPrefix(p, SlashSeparator)
}

func buildMinioDir(p string) string {
	v := buildMinioPath(p)
	if !strings.HasSuffix(v, SlashSeparator) {
		return v + SlashSeparator
	}
	return v
}

type minioFileInfo struct {

	cfg := NewConfig()
	switch subSys {
	case config.LoggerWebhookSubSys:
		var loggerTargets []string
		envs := env.List(legacyEnvLoggerHTTPEndpoint)
		for _, k := range envs {
			target := strings.TrimPrefix(k, legacyEnvLoggerHTTPEndpoint+config.Default)
			if target == legacyEnvLoggerHTTPEndpoint {
				target = config.Default
			}
			loggerTargets = append(loggerTargets, target)
		}

// the prefix of `text`, otherwise it must be a substring.
func matcher(text, pat string, leadingPercent bool) (res string, match bool) {
	if !leadingPercent {
		res = strings.TrimPrefix(text, pat)
		if len(text) == len(res) {
			return "", false
		}
	} else {
		parts := strings.SplitN(text, pat, 2)
		if len(parts) == 1 {
			return "", false
		}
		res = parts[1]
	}

     */
    @Test
    public void testTrimPrefix() throws Exception {
        final CopyOptions option = new CopyOptions();
        assertThat(option.trimPrefix("aaa"), is("aaa"));
        option.prefix(BeanNames.search_());
        assertThat(option.trimPrefix("search_aaa"), is("aaa"));
    }

    /**
     * @throws Exception
     */
    @Test
    public void testConvertValue_zeroConverter() throws Exception {

	case usersPrefix:
		accessKey := path.Dir(strings.TrimPrefix(event.keyPath, iamConfigUsersPrefix))
		err = sys.store.UserNotificationHandler(ctx, accessKey, regUser)
	case stsPrefix:
		accessKey := path.Dir(strings.TrimPrefix(event.keyPath, iamConfigSTSPrefix))
		err = sys.store.UserNotificationHandler(ctx, accessKey, stsUser)
	case svcPrefix:
		accessKey := path.Dir(strings.TrimPrefix(event.keyPath, iamConfigServiceAccountsPrefix))

			// and is probably not used by anyone, but recognize the syntax.
			// We don't have an implementation.
			fmt.Fprintf(stdout, "!reverse translation not implemented\n")
			continue
		}
		pc, _ := strconv.ParseUint(strings.TrimPrefix(p, "0x"), 16, 64)
		file, line, fn := tab.PCToLine(pc)
		name := "?"
		if fn != nil {
			name = fn.Name
		} else {
			file = "?"
			line = 0
		}
		fmt.Fprintf(stdout, "%s\n%s:%d\n", name, file, line)
	}

func getHandlerName(f http.HandlerFunc, cmdType string) string {
	name := runtime.FuncForPC(reflect.ValueOf(f).Pointer()).Name()

	packageName := fmt.Sprintf("github.com/minio/minio/cmd.%s.", cmdType)
	name = strings.TrimPrefix(name, packageName)
	name = strings.TrimSuffix(name, "Handler-fm")
	name = strings.TrimSuffix(name, "-fm")
	return name

}

//msgp:ignore batchJobMetrics
type batchJobMetrics struct {
	sync.RWMutex
	metrics map[string]*batchJobInfo
}

//msgp:ignore batchJobMetric
//go:generate stringer -type=batchJobMetric -trimprefix=batchJobMetric $GOFILE
type batchJobMetric uint8

const (
	batchJobMetricReplication batchJobMetric = iota
	batchJobMetricKeyRotation
	batchJobMetricExpire
)

	return nil
}

//msgp:ignore decomMetrics
type decomMetrics struct{}

var globalDecommissionMetrics decomMetrics

//msgp:ignore decomMetric
//go:generate stringer -type=decomMetric -trimprefix=decomMetric $GOFILE
type decomMetric uint8

const (
	decomMetricDecommissionBucket decomMetric = iota
	decomMetricDecommissionObject
	decomMetricDecommissionRemoveObject
)