}

// BackendDown is returned for network errors
type BackendDown struct {
	Err string
}

func (e BackendDown) Error() string {
	return e.Err
}

// NotImplemented If a feature is not implemented
type NotImplemented struct {
	Message string
}

func (e NotImplemented) Error() string {
	return e.Message
}

// UnsupportedMetadata - unsupported metadata

		HTTPStatusCode: http.StatusBadRequest,
	},
	ErrPastObjectLockRetainDate: {
		Code:           "InvalidRequest",
		Description:    "the retain until date must be in the future",
		HTTPStatusCode: http.StatusBadRequest,
	},
	ErrUnknownWORMModeDirective: {
		Code:           "InvalidRequest",
		Description:    "unknown wormMode directive",
		HTTPStatusCode: http.StatusBadRequest,

			// by the client, but we still see an error - this would mean
			// that we have some parts or data blocks missing or corrupted
			// - attempt a heal to successfully heal them for future calls.
			if written == partLength {
				var scan madmin.HealScanMode
				switch {
				case errors.Is(err, errFileNotFound):
					scan = madmin.HealNormalScan
				case errors.Is(err, errFileCorrupt):