buf, major, minor, err := checkXL2V1(buf)
	if err != nil {
		return fmt.Errorf("xlMetaV2.Load %w", err)
	}
	var allMeta []byte
	switch major {
	case 1:
		switch minor {
		case 0:
			allMeta = buf
		case 1, 2:
			v, buf, err := msgp.ReadBytesZC(buf)
			if err != nil {
				return fmt.Errorf("xlMetaV2.Load version(%d), bufLen(%d) %w", minor, len(buf), err)
			}
			if minor >= 2 {

		}
		r2.otherValues = s2
	}
	return r2
}

// ProtoAtLeast reports whether the HTTP protocol used
// in the request is at least major.minor.
func (r *Request) ProtoAtLeast(major, minor int) bool {
	return r.ProtoMajor > major ||
		r.ProtoMajor == major && r.ProtoMinor >= minor
}

// UserAgent returns the client's User-Agent, if sent in the request.
func (r *Request) UserAgent() string {

	if err != nil {
		s.drivePath = ep.Path
		return s, err
	}

	info, err := disk.GetInfo(s.drivePath, true)
	if err != nil {
		return s, err
	}
	s.major = info.Major
	s.minor = info.Minor
	s.fsType = info.FSType

	if !globalIsCICD && !globalIsErasureSD {
		var rootDrive bool
		if globalRootDiskThreshold > 0 {
			// Use MINIO_ROOTDISK_THRESHOLD_SIZE to figure out if

	}

	// Linux [5.9,5.16) has a kernel bug that can break CPU timers on newly
	// created threads, breaking our CPU accounting.
	major, minor := unix.KernelVersion()
	t.Logf("Running on Linux %d.%d", major, minor)
	defer func() {
		if t.Failed() {

	}

	major, err1 := strconv.Atoi(upxVersion[1])
	minor, err2 := strconv.Atoi(upxVersion[2])
	if err1 != nil || err2 != nil {
		t.Fatalf("bad upx version string: %s", upxVersion[0])
	}

	// Anything below 3.94 is known not to work with go binaries
	if (major < 3) || (major == 3 && minor < 94) {
		t.Skipf("skipping because upx version %v.%v is too old", major, minor)
	}

	tg := testgo(t)
	defer tg.cleanup()

			IPAddresses: []string{"1.1.1.1"},
			ID:          "someID",
			DNSDomain:   "foo.com",
			IstioVersion: &model.IstioVersion{
				Major: 1,
				Minor: 20,
			},
		})
	}

	nodeWithExtended := func(cg *core.ConfigGenTest) *model.Proxy {
		out := node(cg)
		out.IstioVersion.Minor = 21
		return out
	}

	gatewayNames := sets.New("some-gateway")

	t.Run("for virtual service", func(t *testing.T) {
		g := NewWithT(t)

				}
			},
		},
	}

	proxy := &model.Proxy{
		Type:         model.SidecarProxy,
		Metadata:     &model.NodeMetadata{},
		IstioVersion: &model.IstioVersion{Major: 1, Minor: 5},
	}
	push := model.NewPushContext()
	for _, test := range tests {
		t.Run(test.name, func(t *testing.T) {
			cb := NewClusterBuilder(proxy, &model.PushRequest{Push: push}, model.DisabledCache{})

	// Start from Envoy 1.30(istio 1.22), cors filter will not forward preflight requests to upstream by default.
	// Istio start support this feature from 1.23.
	if proxy.VersionGreaterAndEqual(&model.IstioVersion{Major: 1, Minor: 23, Patch: -1}) {
		out.ForwardNotMatchingPreflights = forwardNotMatchingPreflights(in)
	}

	// nolint: staticcheck
	if in.AllowOrigins != nil {

		argv = append(argv, fmt.Sprintf("-Wl,--major-os-version=%d", PeMinimumTargetMajorVersion))
		argv = append(argv, fmt.Sprintf("-Wl,--minor-os-version=%d", PeMinimumTargetMinorVersion))
		argv = append(argv, fmt.Sprintf("-Wl,--major-subsystem-version=%d", PeMinimumTargetMajorVersion))
		argv = append(argv, fmt.Sprintf("-Wl,--minor-subsystem-version=%d", PeMinimumTargetMinorVersion))
	case objabi.Haix:
		argv = append(argv, "-pthread")

			// Note: this may perhaps keep return variables alive longer than
			// strictly necessary, as we are using "function has a defer statement"
			// as a proxy for "function actually deferred something". It seems
			// to be a minor drawback. (We used to actually look through the
			// gp._defer for a defer corresponding to this function, but that
			// is hard to do with defer records on the stack during a stack copy.)