replaceWith = ReplaceWith(expression = "handshake"),
    level = DeprecationLevel.ERROR,
  )
  fun handshake(): Handshake? = handshake

  fun headers(name: String): List<String> = headers.values(name)

  @JvmOverloads
  fun header(
    name: String,
    defaultValue: String? = null,
  ): String? = headers[name] ?: defaultValue

  @JvmName("-deprecated_headers")
  @Deprecated(

        when(ctx.getNameServiceClient()).thenReturn(nameSvc);
        when(ctx.getCredentials()).thenReturn(creds);
        when(ctx.getTransportPool()).thenReturn(pool);

        // Default config values
        when(config.getLocalAddr()).thenReturn(null);
        when(config.getLocalPort()).thenReturn(0);
        when(config.getSessionLimit()).thenReturn(10);
        when(config.isSigningEnforced()).thenReturn(false);

     *
     * @return The current page number as a string
     */
    public String getCurrentPageNumber() {
        return pageNumber;
    }

    /**
     * Initializes the form with default null values.
     * This method resets all fields to their default state for creating a new entry.
     */
    public void initialize() {
        id = null;
        url = null;
        threadName = null;

        return new HighlightInfo();
    }

    @Override
    public String getSort() {
        return sort;
    }

    /**
     * Initializes the form with default values from configuration.
     */
    public void initialize() {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        if (start == null) {

      ImmutableSortedMap.Builder<Integer, String> builder = ImmutableSortedMap.naturalOrder();
      for (int i = 0; i < elements.length; i++) {
        builder.put(i, elements[i]);
      }
      return builder.build().values().asList();
    }
  }

  /**
   * Useless constructor for a class of static utility methods.
   *
   * @deprecated Do not instantiate this utility class.
   */
  @Deprecated

    }
  }

  /**
   * Creates a suite whose map has some elements filtered out of view.
   *
   * <p>Because the map may be ascending or descending, this test must derive the relative order of
   * these extreme values rather than relying on their regular sort ordering.
   */
  final TestSuite createSubmapSuite(
      FeatureSpecificTestSuiteBuilder<
              ?, ? extends OneSizeTestContainerGenerator<Map<K, V>, Entry<K, V>>>

     */
    public static Set<DialectVersion> range(final DialectVersion min, final DialectVersion max) {
        final EnumSet<DialectVersion> vers = EnumSet.noneOf(DialectVersion.class);
        for (final DialectVersion ver : values()) {

            if ((min != null && !ver.atLeast(min)) || (max != null && !ver.atMost(max))) {
                continue;
            }

            vers.add(ver);
        }
        return vers;

 * the rest not null -- and the test fails if no expected exception is thrown. {@code
 * NullPointerTester} uses best effort to pick non-null default values for many common JDK and Guava
 * types, and also for interfaces and public classes that have public parameter-less constructors.
 * When the non-null default value for a particular parameter type cannot be provided by {@code

    List<Class<? extends AbstractTester>> testers = getTesters();

    logger.fine(" Testing: " + name);

    // Split out all the specified sizes.
    Set<Feature<?>> sizesToTest = Helpers.<Feature<?>>copyToSet(CollectionSize.values());
    sizesToTest.retainAll(features);
    features.removeAll(sizesToTest);

    addImpliedFeatures(sizesToTest);
    sizesToTest.retainAll(asList(CollectionSize.ZERO, CollectionSize.ONE, CollectionSize.SEVERAL));

      dummy ^= JOINER_ON_CHARACTER.join(components).length();
    }
    return dummy;
  }

  /**
   * Mimics what the {@link Joiner} class does internally when no extra options like ignoring {@code
   * null} values are used.
   */
  @Benchmark
  int joinerInlined(int reps) {
    int dummy = 0;
    for (int i = 0; i < reps; i++) {
      StringBuilder sb = new StringBuilder();