* contained references are {@linkplain Object#equals equal} to each other or both are absent.
   * Note that {@code Optional} instances of differing parameterized types can be equal.
   *
   * <p><b>Comparison to {@code java.util.Optional}:</b> no differences.
   */
  @Override
  public abstract boolean equals(@Nullable Object object);

  /**
   * Returns a hash code for this instance.
   *

 * with a call to {@link Multimaps#synchronizedSetMultimap}.
 *
 * <p><b>Warning:</b> Do not modify either a key <i>or a value</i> of a {@code LinkedHashMultimap}
 * in a way that affects its {@link Object#equals} behavior. Undefined behavior and bugs will
 * result.
 *
 * <p>See the Guava User Guide article on <a href=
 * "https://github.com/google/guava/wiki/NewCollectionTypesExplained#multimap">{@code Multimap}</a>.
 *

 * with a call to {@link Multimaps#synchronizedSetMultimap}.
 *
 * <p><b>Warning:</b> Do not modify either a key <i>or a value</i> of a {@code LinkedHashMultimap}
 * in a way that affects its {@link Object#equals} behavior. Undefined behavior and bugs will
 * result.
 *
 * <p>See the Guava User Guide article on <a href=
 * "https://github.com/google/guava/wiki/NewCollectionTypesExplained#multimap">{@code Multimap}</a>.
 *

   * the result of applying {@code countFunction} to the inputs.
   *
   * <p>If the mapped elements contain duplicates (according to {@link Object#equals}), the first
   * occurrence in encounter order appears in the resulting multiset, with count equal to the sum of
   * the outputs of {@code countFunction.applyAsInt(t)} for each {@code t} mapped to that element.
   *

     * @return True if the language is supported
     */
    public static boolean isSupportedLanguage(final String lang) {
        return StringUtil.isNotBlank(lang) && Stream.of(SUPPORTED_LANGUAGES).anyMatch(lang::equals);
    }

    /**
     * Get analyzer names.
     * @return Analyzer names
     */
    protected Set<String> getAnalyzerNames() {
        final GetSettingsResponse response =

   * example, {@code [] < [1L] < [1L, 2L] < [2L]}.
   *
   * <p>The returned comparator is inconsistent with {@link Object#equals(Object)} (since arrays
   * support only identity equality), but it is consistent with {@link Arrays#equals(long[],
   * long[])}.
   *
   * @since 2.0
   */
  public static Comparator<long[]> lexicographicalComparator() {

          System.out.println("Response 2 network response:  " + response2.networkResponse());
        }

        System.out.println("Response 2 equals Response 1? " + response1Body.equals(response2Body));
      }
    ```

                            @Override
                            public String setValue(String value) {
                                String old = entry.setValue(value);
                                if (old == null || !old.equals(value)) {
                                    Layout l = layout.get(entry.getKey());
                                    if (l != null) {
                                        l.clearValue();

                            @Override
                            public String setValue(String value) {
                                String old = entry.setValue(value);
                                if (old == null || !old.equals(value)) {
                                    Layout l = layout.get(entry.getKey());
                                    if (l != null) {
                                        l.clearValue();

    int hash = smearedHash(element);
    int mask = hashTable.length - 1;
    for (ImmutableEntry<?> entry = hashTable[hash & mask];
        entry != null;
        entry = entry.nextInBucket()) {
      if (Objects.equals(element, entry.getElement())) {
        return entry.getCount();
      }
    }
    return 0;
  }

  @Override
  public int size() {
    return size;
  }

  @Override