StatusLocked                       = 423 // RFC 4918, 11.3
	StatusFailedDependency             = 424 // RFC 4918, 11.4
	StatusTooEarly                     = 425 // RFC 8470, 5.2.
	StatusUpgradeRequired              = 426 // RFC 9110, 15.5.22
	StatusPreconditionRequired         = 428 // RFC 6585, 3
	StatusTooManyRequests              = 429 // RFC 6585, 4
	StatusRequestHeaderFieldsTooLarge  = 431 // RFC 6585, 5

			Description:    desc,
			HTTPStatusCode: http.StatusUpgradeRequired,
		}, r.URL)
	case strings.HasPrefix(r.URL.Path, storageRESTPrefix):
		writeErrorResponseString(r.Context(), w, APIError{
			Code:           "XMinioStorageVersionMismatch",
			Description:    desc,
			HTTPStatusCode: http.StatusUpgradeRequired,
		}, r.URL)
	case strings.HasPrefix(r.URL.Path, adminPathPrefix):
		var desc string

pkg net/http, const StatusProcessing ideal-int
pkg net/http, const StatusUnprocessableEntity = 422
pkg net/http, const StatusUnprocessableEntity ideal-int
pkg net/http, const StatusUpgradeRequired = 426
pkg net/http, const StatusUpgradeRequired ideal-int
pkg net/http, const StatusVariantAlsoNegotiates = 506
pkg net/http, const StatusVariantAlsoNegotiates ideal-int
pkg net/http, method (*Request) Context() context.Context

	"Locked":                          http.StatusLocked,
	"Failed Dependency":               http.StatusFailedDependency,
	"Too Early":                       http.StatusTooEarly,
	"Upgrade Required":                http.StatusUpgradeRequired,
	"Precondition Required":           http.StatusPreconditionRequired,
	"Too Many Requests":               http.StatusTooManyRequests,
	"Request Header Fields Too Large": http.StatusRequestHeaderFieldsTooLarge,

		}
		conn, _, _, err := ws.UpgradeHTTP(req, w)
		if err != nil {
			if debugPrint {
				fmt.Printf("grid: Unable to upgrade: %v. http.ResponseWriter is type %T\n", err, w)
			}
			w.WriteHeader(http.StatusUpgradeRequired)
			return
		}
		// will write an OpConnectResponse message to the remote and log it once locally.
		writeErr := func(err error) {
			if err == nil {
				return
			}
			if errors.Is(err, io.EOF) {

		{"StatusUnauthorized", Const, 0},
		{"StatusUnavailableForLegalReasons", Const, 6},
		{"StatusUnprocessableEntity", Const, 7},
		{"StatusUnsupportedMediaType", Const, 0},
		{"StatusUpgradeRequired", Const, 7},
		{"StatusUseProxy", Const, 0},
		{"StatusVariantAlsoNegotiates", Const, 7},
		{"StripPrefix", Func, 0},
		{"TimeFormat", Const, 0},
		{"TimeoutHandler", Func, 0},