public void run() throws Exception {
        RequestBody formBody = new FormBody.Builder()
            .add("search", "Jurassic Park")
            .build();
        Request request = new Request.Builder()
            .url("https://en.wikipedia.org/w/index.php")
            .post(formBody)
            .build();

        try (Response response = client.newCall(request).execute()) {

```java
HeldCertificate rootCertificate = new HeldCertificate.Builder()
    .certificateAuthority(1)
    .build();

HeldCertificate intermediateCertificate = new HeldCertificate.Builder()
    .certificateAuthority(0)
    .signedBy(rootCertificate)
    .build();

HeldCertificate serverCertificate = new HeldCertificate.Builder()
    .addSubjectAlternativeName("localhost")
    .signedBy(intermediateCertificate)

    unused = builder.build(); // this is *also* allowed
  }

  public void testBuildMutate() {
    ThreadFactory factory1 = builder.setPriority(1).build();
    assertEquals(1, factory1.newThread(monitoredRunnable).getPriority());

    builder.setPriority(2); // change the state of the builder
    assertEquals(1, factory1.newThread(monitoredRunnable).getPriority());
  }

  @Test fun headersEquals() {
    val headers1 =
      Headers
        .Builder()
        .add("Connection", "close")
        .add("Transfer-Encoding", "chunked")
        .build()
    val headers2 =
      Headers
        .Builder()
        .add("Connection", "close")
        .add("Transfer-Encoding", "chunked")
        .build()
    assertThat(headers2).isEqualTo(headers1)

    val certificatePinner =
      CertificatePinner
        .Builder()
        .add(server.hostName, "sha256/AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=")
        .build()
    client = client.newBuilder().certificatePinner(certificatePinner).build()

    server.enqueue(MockResponse(body = "abc"))

    val request = Request.Builder().url(server.url("/")).build()

    try {
      client.newCall(request).execute()

    ImmutableMultiset.Builder<String> builder = ImmutableMultiset.builder();
    builder.addCopies("a", 2);
    builder.add("b");
    builder.add("c");
    builder.setCount("b", 0);
    ImmutableMultiset<String> multiset = builder.build();
    assertThat(multiset.elementSet()).containsExactly("a", "c").inOrder();
    builder.add("b");
    assertThat(builder.build().elementSet()).containsExactly("a", "c", "b").inOrder();

    builder = builder.heldCertificate(heldCertificate, heldCertificate.certificate())
    builder = builder.addTrustedCertificate(heldCertificate.certificate())
  }

  @Test @Disabled
  fun heldCertificate() {
    val heldCertificate: HeldCertificate = HeldCertificate.Builder().build()
    val certificate: X509Certificate = heldCertificate.certificate()
    val keyPair: KeyPair = heldCertificate.keyPair()
  }

  @Test @Disabled

    redirectTarget.enqueue(MockResponse.Builder().body("A").build())
    redirectTarget.start()
    val redirectTargetUrl = urlWithIpAddress(redirectTarget, "/")
    val redirectSource = MockWebServer()
    redirectSource.enqueue(
      MockResponse
        .Builder()
        .code(HttpURLConnection.HTTP_MOVED_TEMP)
        .addHeader("Location: $redirectTargetUrl")
        .build(),
    )
    redirectSource.start()

  public static <K extends Comparable<?>, V> Builder<K, V> builder() {
    return new Builder<>();
  }

  /**
   * A builder for immutable range maps. Overlapping ranges are prohibited.
   *
   * @since 14.0
   */
  @DoNotMock
  public static final class Builder<K extends Comparable<?>, V> {
    private final List<Entry<Range<K>, V>> entries;

    public Builder() {

  MockWebServer server = new MockWebServer();

  // Schedule some responses.
  server.enqueue(new MockResponse.Builder()
      .body("hello, world!")
      .build());
  server.enqueue(new MockResponse.Builder()
      .body("sup, bra?")
      .build());
  server.enqueue(new MockResponse.Builder()
      .body("yo dog")
      .build());

  // Start the server.
  server.start();