List<Optional<String>> optionals =
        ImmutableList.of(Optional.of("a"), Optional.<String>absent(), Optional.of("c"));
    assertThat(Optional.presentInstances(optionals)).containsExactly("a", "c").inOrder();
  }

  public void testPresentInstances_callingIteratorTwice() {
    List<Optional<String>> optionals =
        ImmutableList.of(Optional.of("a"), Optional.<String>absent(), Optional.of("c"));

    private final SuggestSettings settings;

    /** Analyzer map. */
    protected static Map<String, Set<String>> analyzerMap = new ConcurrentHashMap<>();
    /** Field analyzer mapping map. */
    protected static Map<String, Map<String, FieldAnalyzerMapping>> fieldAnalyzerMappingMap = new ConcurrentHashMap<>();

    /** Supported languages. */

  public static class ImmutableListMultimapGenerator extends TestStringListMultimapGenerator {
    @Override
    protected ListMultimap<String, String> create(Entry<String, String>[] entries) {
      ImmutableListMultimap.Builder<String, String> builder = ImmutableListMultimap.builder();
      for (Entry<String, String> entry : entries) {
        builder.put(entry.getKey(), entry.getValue());
      }
      return builder.build();
    }
  }

  @GwtIncompatible
  public void testAsAsyncCallable() throws Exception {
    String expected = "MyCallableString";
    Callable<String> callable =
        new Callable<String>() {
          @Override
          public String call() throws Exception {
            return expected;
          }
        };

    AsyncCallable<String> asyncCallable =
        Callables.asAsyncCallable(callable, newDirectExecutorService());

    protected Map<String, String> handlerParameterMap;

    protected Map<String, String> handlerScriptMap;

    protected CrawlerClientFactory crawlerClientFactory = null;

    protected Map<ConfigName, Map<String, String>> configParameterMap;

    public DataConfig() {
        setBoost(1.0f);
    }

    @Override
    public String getDocumentBoost() {
        return getBoost().toString();

    int i = 0;
    for (Object o : entries) {
      @SuppressWarnings("unchecked")
      Entry<String, String> e = (Entry<String, String>) o;
      array[i++] = e;
    }
    return create(array);
  }

  protected abstract ListMultimap<String, String> create(Entry<String, String>[] entries);

  @Override
  @SuppressWarnings("unchecked")

    public void setId_Equal(String id) {
        setId_Term(id, null);
    }

    public void setId_Equal(String id, ConditionOptionCall<TermQueryBuilder> opLambda) {
        setId_Term(id, opLambda);
    }

    public void setId_Term(String id) {
        setId_Term(id, null);
    }

    public void setId_Term(String id, ConditionOptionCall<TermQueryBuilder> opLambda) {

   * and returns {@code null} if non-ASCII digits are present in the string.
   *
   * <p>Note that strings prefixed with ASCII {@code '+'} are rejected, even though {@link
   * Integer#parseInt(String)} accepts them.
   *
   * @param string the string representation of an integer value
   * @return the integer value represented by {@code string}, or {@code null} if {@code string} has
   *     a length of zero or cannot be parsed as an integer value

                                    if (pair.size() == 2 && pair.get(0) instanceof String name
                                            && pair.get(1) instanceof List<?> valueList) {
                                        final String[] values =
                                                valueList.stream().filter(v -> v instanceof String).toArray(n -> new String[n]);

    public void testConvertWithEmptyLanguageArray() throws IOException {
        // Test convert with empty language array
        converter.init();
        String text = "test";
        String field = "content";
        String[] langs = new String[0];

        List<String> readings = converter.convert(text, field, langs);

        assertNotNull(readings);
        assertEquals(1, readings.size());