}
	}

	keyID := h.Get(xhttp.AmzServerSideEncryptionKmsID)
	spaces := strings.HasPrefix(keyID, " ") || strings.HasSuffix(keyID, " ")
	if spaces {
		return "", nil, ErrInvalidEncryptionKeyID
	}
	return strings.TrimPrefix(keyID, ARNPrefix), ctx, nil
}

// IsEncrypted returns true if the object metadata indicates
// that the object was uploaded using SSE-KMS.
func (ssekms) IsEncrypted(metadata map[string]string) bool {

			tgtName := strings.TrimPrefix(k, envVarPrefix)
			if tgtName != "" {
				if v, ok := filterMap[k]; ok {
					if strings.HasPrefix(envVarPrefix, v) {
						filterMap[k] = envVarPrefix
					}
				} else {
					filterMap[k] = envVarPrefix
				}
			}
		}
	}

	for k, v := range filterMap {
		seen.Add(strings.TrimPrefix(k, v))
	}

	seen.Remove(Default)

            if (!srcPropertyDesc.isReadable() || !options.isTargetProperty(srcPropertyName)) {
                continue;
            }
            final String destPropertyName = options.trimPrefix(srcPropertyName);
            if (!destBeanDesc.hasPropertyDesc(destPropertyName)) {
                continue;
            }
            final PropertyDesc destPropertyDesc = destBeanDesc.getPropertyDesc(destPropertyName);

	RangeRequested   string `xml:"RangeRequested,omitempty" json:"RangeRequested,omitempty"`
}

// APIErrorCode type of error status.
type APIErrorCode int

//go:generate stringer -type=APIErrorCode -trimprefix=Err $GOFILE

// Error codes, non exhaustive list - http://docs.aws.amazon.com/AmazonS3/latest/API/ErrorResponses.html
const (
	ErrNone APIErrorCode = iota
	ErrAccessDenied
	ErrBadDigest
	ErrEntityTooSmall

	}
}

func getSource(n int) string {
	var funcName string
	pc, filename, lineNum, ok := runtime.Caller(n)
	if ok {
		filename = pathutil.Base(filename)
		funcName = strings.TrimPrefix(runtime.FuncForPC(pc).Name(),
			"github.com/minio/minio/cmd.")
	} else {
		filename = "<unknown>"
		lineNum = 0
	}

	return fmt.Sprintf("[%s:%d:%s()]", filename, lineNum, funcName)

	trimStrings = append(trimStrings, filepath.Join("github.com", "minio", "minio")+string(filepath.Separator))
}

func trimTrace(f string) string {
	for _, trimString := range trimStrings {
		f = strings.TrimPrefix(filepath.ToSlash(f), filepath.ToSlash(trimString))
	}
	return filepath.FromSlash(f)
}

func getSource(level int) string {
	pc, file, lineNumber, ok := runtime.Caller(level)
	if ok {

	}
	if o.Marker != "" && entry.name < o.Marker {
		return true
	}
	if !strings.HasPrefix(entry.name, o.Prefix) {
		return true
	}
	if o.Separator != "" && entry.isDir() && !strings.Contains(strings.TrimPrefix(entry.name, o.Prefix), o.Separator) {
		return true
	}
	if !o.Recursive && !entry.isInDir(o.Prefix, o.Separator) {
		return true
	}

	for name, ok := range selectColumns {
		columnName := ""
		if strings.HasPrefix(name, association.Relationship.Name) {
			if columnName = strings.TrimPrefix(name, association.Relationship.Name); columnName == ".*" {
				columnName = name
			}
		} else if strings.HasPrefix(name, clause.Associations) {
			columnName = name
		}

		if columnName != "" {

//	prefix := "config/iam/users/"
//	suffix := "config.json"
//	result is foo
func extractPathPrefixAndSuffix(s string, prefix string, suffix string) string {
	return pathClean(strings.TrimSuffix(strings.TrimPrefix(s, prefix), suffix))
}

// IAMEtcdStore implements IAMStorageAPI
type IAMEtcdStore struct {
	sync.RWMutex

	*iamCache

	usersSysType UsersSysType

	client *etcd.Client
}

// converted to snake-case (by replaced '/' and '-' with '_') and prefixed with
// `minio_`.
func (cp collectorPath) metricPrefix() string {
	s := strings.TrimPrefix(string(cp), SlashSeparator)
	s = strings.ReplaceAll(s, SlashSeparator, "_")
	s = strings.ReplaceAll(s, "-", "_")
	return "minio_" + s
}

// isDescendantOf returns true if it is a descendant of (or the same as)