});
    thread.start();

    boolean done = doneSignal.await(1, SECONDS);
    if (!done) {
      StringBuilder builder = new StringBuilder();
      for (StackTraceElement trace : thread.getStackTrace()) {
        builder.append("\tat ").append(trace).append('\n');
      }
      fail(builder.toString());
    }
  }

Use `FormBody.Builder` to build a request body that works like an HTML `<form>` tag. Names and values will be encoded using an HTML-compatible form URL encoding.

=== ":material-language-kotlin: Kotlin"
    ```kotlin
      private val client = OkHttpClient()

      fun run() {
        val formBody = FormBody.Builder()
            .add("search", "Jurassic Park")
            .build()

    // read in chunks to fixed array
    reader = new CharSequenceReader(charSequence);
    buf = new char[5];
    StringBuilder builder = new StringBuilder();
    int read;
    while ((read = reader.read(buf, 0, buf.length)) != -1) {
      builder.append(buf, 0, read);
    }
    assertEquals(expected, builder.toString());
    assertFullyRead(reader);

    // read all to one CharBuffer

    }
  }

  public static <E> Builder<E> builder() {
    return new Builder<E>();
  }

  public static <E> Builder<E> builderWithExpectedSize(int size) {
    return new Builder<E>(size);
  }

  public static class Builder<E> extends ImmutableCollection.Builder<E> {
    // accessed directly by ImmutableSortedSet
    final ArrayList<E> contents;

    public Builder() {

    @Override
    protected BiMap<String, String> create(Entry<String, String>[] entries) {
      ImmutableBiMap.Builder<String, String> builder = ImmutableBiMap.builder();
      for (Entry<String, String> entry : entries) {
        checkNotNull(entry);
        builder.put(entry.getKey(), entry.getValue());
      }
      return builder.build();
    }
  }

  public static class ImmutableBiMapCopyOfGenerator extends TestStringBiMapGenerator {

    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

            final IndexRequestBuilder builder = client.prepareIndex().setIndex(index).setId(id.toString()).setSource(new DocMap(doc));
            options.accept(doc, builder);
            bulkRequestBuilder.add(builder);
        }
        return bulkRequestBuilder.execute().actionGet(ComponentUtil.getFessConfig().getIndexBulkTimeout());
    }

    /**
     * Builder class for constructing search conditions and parameters.

        // Test adding multiple documents to builder
        SearchResult.SearchResultBuilder builder = SearchResult.create();

        for (int i = 0; i < 10; i++) {
            Map<String, Object> doc = new HashMap<>();
            doc.put("id", String.valueOf(i));
            doc.put("index", i);
            builder.addDocument(doc);
        }

        SearchResult result = builder.allRecordCount(10L).build();

  public static <E> Builder<E> orderedBy(Comparator<E> comparator) {
    return new Builder<>(comparator);
  }

  /**
   * Returns a builder that creates immutable sorted sets whose elements are ordered by the reverse
   * of their natural ordering.
   */
  public static <E extends Comparable<?>> Builder<E> reverseOrder() {
    return new Builder<>(Collections.reverseOrder());
  }

  /**

  @get:JvmName("authenticator")
  val authenticator: Authenticator = builder.authenticator

  @get:JvmName("followRedirects")
  val followRedirects: Boolean = builder.followRedirects

  @get:JvmName("followSslRedirects")
  val followSslRedirects: Boolean = builder.followSslRedirects

  @get:JvmName("cookieJar")
  val cookieJar: CookieJar = builder.cookieJar

  @get:JvmName("cache")