ImmutableList.Builder<String> httpHeaders = ImmutableList.builder();
    for (Field field : httpHeadersFields()) {
      httpHeaders.add((String) field.get(null));
    }
    assertThat(httpHeaders.build()).containsNoDuplicates();
  }

  private static ImmutableSet<Field> httpHeadersFields() {
    ImmutableSet.Builder<Field> builder = ImmutableSet.builder();

    ImmutableTable.Builder<R, C, V> builder = ImmutableTable.builder();
    for (Cell<? extends R, ? extends C, ? extends V> cell : cells) {
      builder.put(cell);
    }
    return builder.buildOrThrow();
  }

  /**
   * Returns a new builder. The generated builder is equivalent to the builder created by the {@link
   * Builder#Builder() ImmutableTable.Builder()} constructor.
   */

    DnsOverHttps
      .Builder()
      .client(bootstrapClient)
      .url("https://dns.google/dns-query".toHttpUrl())
      .bootstrapDnsHosts(getByIp("8.8.4.4"), getByIp("8.8.8.8"))
      .build()

  private fun buildGooglePost(bootstrapClient: OkHttpClient): DnsOverHttps =
    DnsOverHttps
      .Builder()
      .client(bootstrapClient)

    val cacheControl =
      CacheControl
        .Builder()
        .maxAge(365 * 100, TimeUnit.DAYS) // Longer than Integer.MAX_VALUE seconds.
        .build()
    assertThat(cacheControl.maxAgeSeconds).isEqualTo(Int.MAX_VALUE)
  }

  @Test
  @Throws(Exception::class)
  fun secondsMustBeNonNegative() {
    val builder = CacheControl.Builder()
    assertFailsWith<IllegalArgumentException> {

  fun createClient(): Call.Factory {
    val builder = OkHttpClient.Builder()
    builder.followSslRedirects(followRedirects)
    if (connectTimeout != DEFAULT_TIMEOUT) {
      builder.connectTimeout(connectTimeout.toLong(), SECONDS)
    }
    if (readTimeout != DEFAULT_TIMEOUT) {
      builder.readTimeout(readTimeout.toLong(), SECONDS)
    }
    if (callTimeout != DEFAULT_TIMEOUT) {
      builder.callTimeout(callTimeout.toLong(), SECONDS)

  /**
   * Returns an {@link ImmutableValueGraph.Builder} with the properties of this {@link
   * ValueGraphBuilder}.
   *
   * <p>The returned builder can be used for populating an {@link ImmutableValueGraph}.
   *
   * <p>Note that the returned builder will always have {@link #incidentEdgeOrder} set to {@link
   * ElementOrder#stable()}, regardless of the value that was set in this builder.
   *
   * @since 28.0
   */

    return copyOf(Arrays.asList(entries2));
  }

  /**
   * Returns a new builder. The generated builder is equivalent to the builder created by the {@link
   * Builder} constructor.
   */
  public static <K, V> Builder<K, V> builder() {
    return new Builder<>();
  }

  /**
   * Returns a new builder, expecting the specified number of entries to be added.
   *

  // At least, I assume that's why. TODO(cpovirk): Check, and maybe add a test for this.
  @SuppressWarnings("ThreadPriorityCheck") // We only propagate user requests (which we discourage).
  private static ThreadFactory doBuild(ThreadFactoryBuilder builder) {
    String nameFormat = builder.nameFormat;
    Boolean daemon = builder.daemon;
    Integer priority = builder.priority;

      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()) {

    //                                                                               =====

    @Override
    public SearchRequestBuilder build(SearchRequestBuilder builder) {
        if (_conditionQuery != null) {
            QueryBuilder queryBuilder = _conditionQuery.getQuery();
            if (queryBuilder != null) {
                builder.setQuery(queryBuilder);
            }