// utf16.Decode
			want := utf16.Decode(u16)
			if string(got) != string(want) {
				t.Errorf("got:\n%s\nwant:\n%s", string(got), string(want))
			}
		}
		// WTF-8 should always roundtrip
		got2 := syscall.EncodeWTF16(string(got), nil)
		if !slices.Equal(got2, u16) {
			t.Errorf("got:\n%v\nwant:\n%v", got2, u16)
		}
	})

	"sort"
	"testing"

	"github.com/google/go-cmp/cmp"
	fuzz "github.com/google/gofuzz"

	apiv1 "k8s.io/api/core/v1"
	extensionsv1beta1 "k8s.io/api/extensions/v1beta1"
	"k8s.io/apimachinery/pkg/api/apitesting/roundtrip"
	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
	"k8s.io/apimachinery/pkg/runtime"
	"k8s.io/apimachinery/pkg/runtime/schema"
	"k8s.io/kubernetes/pkg/api/legacyscheme"
)

	}
}

type roundTripperWithoutCloseIdle struct{}

func (roundTripperWithoutCloseIdle) RoundTrip(*Request) (*Response, error) { panic("unused") }

type roundTripperWithCloseIdle func() // underlying func is CloseIdleConnections func

func (roundTripperWithCloseIdle) RoundTrip(*Request) (*Response, error) { panic("unused") }
func (f roundTripperWithCloseIdle) CloseIdleConnections()               { f() }

	if err != nil {
		t.Fatalf("go tool nm: %v: %s", err, out)
	}
	wantSym := map[string]bool{
		// Verify these exist: (sanity checking this test)
		"net/http.(*Client).do":           true,
		"net/http.(*Transport).RoundTrip": true,

		// Verify these don't exist:
		"net/http.http2Server":           false,
		"net/http.(*Server).Serve":       false,
		"net/http.(*ServeMux).ServeHTTP": false,
		"net/http.DefaultServeMux":       false,
	}

		}
		resp.Body.Close()
	}
}

type failingRoundTripper struct{}

func (failingRoundTripper) RoundTrip(*http.Request) (*http.Response, error) {
	return nil, errors.New("some error")
}

type staticResponseRoundTripper struct{ res *http.Response }

func (rt staticResponseRoundTripper) RoundTrip(*http.Request) (*http.Response, error) {
	return rt.res, nil
}

func TestReverseProxyErrorHandler(t *testing.T) {

	if err != nil {
		return fmt.Errorf("new request: %v", err)
	}
	r.Host = address

	// Initiate CONNECT.
	log.Infof("initiate CONNECT to %v via %v", r.Host, url)

	resp, err := d.transport.RoundTrip(r)
	if err != nil {
		return fmt.Errorf("round trip: %v", err)
	}
	var remoteID string
	if resp.TLS != nil && len(resp.TLS.PeerCertificates) > 0 {

	Dial(protocols ...string) (Connection, string, error)
}

// UpgradeRoundTripper is a type of http.RoundTripper that is able to upgrade
// HTTP requests to support multiplexed bidirectional streams. After RoundTrip()
// is invoked, if the upgrade is successful, clients may retrieve the upgraded
// connection by calling UpgradeRoundTripper.Connection().
type UpgradeRoundTripper interface {
	http.RoundTripper

}

// RoundTripper provides an interface for type roundtrip serialization.
type RoundTripper interface {
	msgp.Unmarshaler
	msgp.Marshaler
	msgp.Sizer

	comparable
}

// SingleHandler is a type safe handler for single roundtrip requests.
type SingleHandler[Req, Resp RoundTripper] struct {
	id            HandlerID
	sharedResp    bool

	}))

	// Set ExpectContinueTimeout non-zero so RoundTrip won't try to write it.
	cst.tr.ExpectContinueTimeout = 10 * time.Second

	req, err := NewRequest("POST", cst.ts.URL, testErrorReader{t})
	if err != nil {
		t.Fatal(err)
	}
	req.ContentLength = 0 // so transport is tempted to sniff it
	req.Header.Set("Expect", "100-continue")
	res, err := cst.tr.RoundTrip(req)
	if err != nil {
		t.Fatal(err)
	}

		outreq.Body = nil // Issue 16036: nil Body for http.Transport retries
	}
	if outreq.Body != nil {
		// Reading from the request body after returning from a handler is not
		// allowed, and the RoundTrip goroutine that reads the Body can outlive
		// this handler. This can lead to a crash if the handler panics (see
		// Issue 46866). Although calling Close doesn't guarantee there isn't