.body("A")
        .build(),
    )
    server.enqueue(
      MockResponse.Builder()
        .body("B")
        .build(),
    )
    val url = server.url("/")
    val request =
      Request.Builder()
        .url(url)
        .header("Accept-Language", "fr-CA")
        .header("Accept-Charset", "UTF-8")
        .header("Accept-Encoding", "identity")
        .build()

      .assertHeader("Donut", "a")
      .assertHeader("ETag", "v1")
      .assertRequestUrl(server.url("/"))
      .assertRequestHeader("Accept-Language") // No Vary on Accept-Language.
      .assertRequestHeader("Accept-Charset", "UTF-8") // Because of Vary on Accept-Charset.
      .assertRequestHeader("If-None-Match") // This wasn't present in the original request.

	ts := newClientServerTest(t, mode, HandlerFunc(func(rw ResponseWriter, req *Request) {
		accept := req.Header.Get("Accept-Encoding")
		if expect := req.FormValue("expect_accept"); accept != expect {
			t.Errorf("in handler, test %v: Accept-Encoding = %q, want %q",
				req.FormValue("testnum"), accept, expect)
		}
		if accept == "gzip" {
			rw.Header().Set("Content-Encoding", "gzip")
			gz := gzip.NewWriter(rw)

			{JumpChain: string(kubeMarkMasqChain), MatchSet: kubeExternalIPSet},
			{JumpChain: "ACCEPT", MatchSet: kubeExternalIPSet}, // With externalTrafficOnlyArgs
			{JumpChain: "ACCEPT", MatchSet: kubeExternalIPSet}, // With dstLocalOnlyArgs
			{JumpChain: string(kubeNodePortChain), MatchSet: ""},
			{JumpChain: "ACCEPT", MatchSet: kubeClusterIPSet},
			{JumpChain: "ACCEPT", MatchSet: kubeLoadBalancerSet},
		},
	}
	checkIptables(t, ipt, epIpt)

	b.ReportAllocs()
	req := reqBytes(`GET / HTTP/1.0
Host: golang.org
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_8_2) AppleWebKit/537.17 (KHTML, like Gecko) Chrome/24.0.1312.52 Safari/537.17
Accept-Encoding: gzip,deflate,sdch
Accept-Language: en-US,en;q=0.8
Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.3
`)
	res := []byte("Hello world!\n")

  # We need to add rules to accept all TCP/UDP/ICMP/SCTP packets.
  if iptables -w -L INPUT | grep "Chain INPUT (policy DROP)" > /dev/null; then
    echo "Add rules to accept all inbound TCP/UDP/ICMP packets"
    iptables -w -A INPUT -w -p TCP -j ACCEPT
    iptables -w -A INPUT -w -p UDP -j ACCEPT
    iptables -w -A INPUT -w -p ICMP -j ACCEPT
    iptables -w -A INPUT -w -p SCTP -j ACCEPT
  fi

      getResponse(
        Request.Builder()
          .url(server.url("/"))
          .header("Accept-Encoding", "custom")
          .build(),
      )
    assertThat(readAscii(response.body.byteStream(), Int.MAX_VALUE)).isEqualTo("ABCDE")
    val request = server.takeRequest()
    assertThat(request.headers["Accept-Encoding"]).isEqualTo("custom")
  }

  /**

    }

    @Override
    public void forEach(BiConsumer<? super K, ? super V> action) {
      checkNotNull(action);
      // avoids allocation of entries
      backingSet().forEach(k -> action.accept(k, function.apply(k)));
    }
  }

  static <K extends @Nullable Object, V extends @Nullable Object>
      Iterator<Entry<K, V>> asMapEntryIterator(Set<K> set, final Function<? super K, V> function) {

		if baseCtx == nil {
			panic("BaseContext returned a nil context")
		}
	}

	var tempDelay time.Duration // how long to sleep on accept failure

	ctx := context.WithValue(baseCtx, ServerContextKey, srv)
	for {
		rw, err := l.Accept()
		if err != nil {
			if srv.shuttingDown() {
				return ErrServerClosed
			}
			if ne, ok := err.(net.Error); ok && ne.Temporary() {

		templateVars: func(src echo.Callers, dests echo.Instances) map[string]any {
			// Test all cipher suites, including a fake one. Envoy should accept all of the ones on the "valid" list,
			// and control plane should filter our invalid one.

			params := templateParams(protocol.HTTPS, src, dests, append(sets.SortedList(security.ValidCipherSuites), "fake"), ports.HTTP.Name)