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");

    assertThrows(NullPointerException.class, () -> builder.put(null, 1));
  }

  public void testBuilderPutNullValue() {
    Builder<String, Integer> builder = new Builder<>();
    assertThrows(NullPointerException.class, () -> builder.put("one", null));
  }

  public void testBuilderPutNullKeyViaPutAll() {
    Builder<String, Integer> builder = new Builder<>();
    assertThrows(
        NullPointerException.class,

      HeldCertificate
        .Builder()
        .signedBy(intermediateCa)
        .serialNumber(3L)
        .commonName(server.hostName)
        .build()
    val certificatePinner =
      CertificatePinner
        .Builder()
        .add(server.hostName, pin(rootCa.certificate))
        .build()
    val handshakeCertificates =
      HandshakeCertificates
        .Builder()

    {
      ImmutableSet.Builder<String> builder = this.<String>builder();
      assertThrows(NullPointerException.class, () -> builder.add((String) null));
    }

    {
      ImmutableSet.Builder<String> builder = this.<String>builder();
      assertThrows(NullPointerException.class, () -> builder.add((String[]) null));
    }

    {
      ImmutableSet.Builder<String> builder = this.<String>builder();

    val headers =
      Headers
        .Builder()
        .add("WWW-Authenticate: Basic realm=\"protected area\"")
        .build()
    assertThat(headers.parseChallenges("WWW-Authenticate"))
      .isEqualTo(listOf(Challenge("Basic", mapOf("realm" to "protected area"))))
  }

  @Test fun basicChallengeWithCharset() {
    val headers =
      Headers
        .Builder()

	public static synthetic fun chunkedBody$default (Lmockwebserver3/MockResponse$Builder;Lokio/Buffer;IILjava/lang/Object;)Lmockwebserver3/MockResponse$Builder;
	public final fun clearHeaders ()Lmockwebserver3/MockResponse$Builder;
	public synthetic fun clone ()Ljava/lang/Object;
	public fun clone ()Lmockwebserver3/MockResponse$Builder;

   *   <li>{@code unsafeReplacement == null}
   * </ul>
   *
   * <p>For performance reasons escapers created by this builder are not Unicode aware and will not
   * validate the well-formedness of their input.
   */
  public static Builder builder() {
    return new Builder();
  }

  /**
   * A builder for simple, fast escapers.
   *
   * <p>Typically an escaper needs to deal with the escaping of high valued characters or code

  @Test
  fun cookieBuilder() {
    var builder: Cookie.Builder = Cookie.Builder()
    builder = builder.name("")
    builder = builder.value("")
    builder = builder.expiresAt(0L)
    builder = builder.domain("")
    builder = builder.hostOnlyDomain("")
    builder = builder.path("")
    builder = builder.secure()
    builder = builder.httpOnly()
    builder = builder.sameSite("None")

    CacheBuilder<Object, Object> builder = CacheBuilder.newBuilder();
    assertThrows(IllegalArgumentException.class, () -> builder.initialCapacity(-1));
  }

  public void testInitialCapacity_setTwice() {
    CacheBuilder<Object, Object> builder = CacheBuilder.newBuilder().initialCapacity(16);
    assertThrows(IllegalStateException.class, () -> builder.initialCapacity(16));
  }

  @GwtIncompatible // CacheTesting

    CacheBuilder<Object, Object> builder = CacheBuilder.newBuilder();
    assertThrows(IllegalArgumentException.class, () -> builder.initialCapacity(-1));
  }

  public void testInitialCapacity_setTwice() {
    CacheBuilder<Object, Object> builder = CacheBuilder.newBuilder().initialCapacity(16);
    assertThrows(IllegalStateException.class, () -> builder.initialCapacity(16));
  }

  @GwtIncompatible // CacheTesting