@Test
  fun tagsAreImmutable() {
    val builder =
      Request
        .Builder()
        .url("https://square.com")
    val requestA = builder.tag(String::class.java, "a").build()
    val requestB = builder.tag(String::class.java, "b").build()
    val requestC = requestA.newBuilder().tag(String::class.java, "c").build()
    assertThat(requestA.tag(String::class.java)).isSameInstanceAs("a")

    ImmutableSortedSet.Builder<LegacyComparable> builder =
        ImmutableSortedSet.<LegacyComparable>naturalOrder();

    builder.addAll(LegacyComparable.VALUES_BACKWARD);
    builder.add(LegacyComparable.X);
    builder.add(LegacyComparable.Y, LegacyComparable.Z);

    ImmutableSortedSet<LegacyComparable> set = builder.build();
    assertTrue(elementsEqual(LegacyComparable.VALUES_FORWARD, set));

        .Builder()
        .add("WWW-Authenticate", " ,  , Basic realm=myrealm")
        .build()
    assertThat(headers.parseChallenges("WWW-Authenticate"))
      .isEqualTo(listOf(Challenge("Basic", mapOf("realm" to "myrealm"))))
  }

  @Test fun spacesAroundKeyValueSeparator() {
    val headers =
      Headers
        .Builder()
        .add("WWW-Authenticate", "Basic realm = \"myrealm\"")
        .build()

    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

	return "LIMIT"
}

// Build build where clause
func (limit Limit) Build(builder Builder) {
	if limit.Limit != nil && *limit.Limit >= 0 {
		builder.WriteString("LIMIT ")
		builder.AddVar(builder, *limit.Limit)
	}
	if limit.Offset > 0 {
		if limit.Limit != nil && *limit.Limit >= 0 {
			builder.WriteByte(' ')
		}
		builder.WriteString("OFFSET ")
		builder.AddVar(builder, limit.Offset)
	}
}

    val heldCertificate =
      HeldCertificate
        .Builder()
        .addSubjectAlternativeName("example.com")
        .build()
    val serverCertificates =
      HandshakeCertificates
        .Builder()
        .heldCertificate(heldCertificate)
        .build()
    server.useHttps(serverCertificates.sslSocketFactory())
    server.enqueue(MockResponse())

        .addTrustedCertificate(localhostCertificate.certificate())
        .build();
    OkHttpClient client = new OkHttpClient.Builder()
        .sslSocketFactory(clientCertificates.sslSocketFactory(), clientCertificates.trustManager())
        .build();

    Call call = client.newCall(new Request.Builder()
        .url(server.url("/"))
        .build());
    Response response = call.execute();

HandshakeCertificates clientCertificates = new HandshakeCertificates.Builder()
    .addTrustedCertificate(rootCertificate.certificate())
    .heldCertificate(clientCertificate)
    .build();
OkHttpClient client = new OkHttpClient.Builder()
    .sslSocketFactory(clientCertificates.sslSocketFactory(), clientCertificates.trustManager())
    .build();

// Connect 'em all together. Certificates are exchanged in the handshake.

  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();

    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());
  }