}

            searchHelper.getDocumentByDocId(docId, new String[] { fessConfig.getIndexFieldUrl(), fessConfig.getIndexFieldLang() },
                    OptionalThing.empty()).ifPresent(doc -> {
                        final String favoriteUrl = DocumentUtil.getValue(doc, fessConfig.getIndexFieldUrl(), String.class);
                        final String userCode = userInfoHelper.getUserCode();

    return from(Iterables.limit(getDelegate(), maxSize));
  }

  /**
   * Determines whether this fluent iterable is empty.
   *
   * <p><b>{@code Stream} equivalent:</b> {@code !stream.findAny().isPresent()}.
   */
  public final boolean isEmpty() {
    return !getDelegate().iterator().hasNext();
  }

  /**
   * Returns an {@code ImmutableList} containing all of the elements from this fluent iterable in

    AbstractNetworkTest.validateNetwork(transpose);

    assertThat(transpose.edgesConnecting(N1, N2)).isEmpty();
    assertThat(transpose.edgeConnecting(N1, N2).isPresent()).isFalse();
    assertThat(transpose.edgeConnectingOrNull(N1, N2)).isNull();

    for (Integer node : directedGraph.nodes()) {
      assertThat(directedGraph.inDegree(node)).isSameInstanceAs(transpose.outDegree(node));

  @Benchmark
  boolean getIfPresent(int repetitions) {
    boolean retVal = false;
    for (int i = 0; i < repetitions; ++i) {
      retVal &= Enums.getIfPresent(enumType, sampleData[i & 255]).isPresent();
    }
    return retVal;
  }

  private enum SmallEnum {
    X0,
    X1,
    X2
  }

  private enum MediumEnum {
    X0,
    X1,
    X2,
    X3,
    X4,
    X5,
    X6,

  @Benchmark
  boolean getIfPresent(int repetitions) {
    boolean retVal = false;
    for (int i = 0; i < repetitions; ++i) {
      retVal &= Enums.getIfPresent(enumType, sampleData[i & 255]).isPresent();
    }
    return retVal;
  }

  private enum SmallEnum {
    X0,
    X1,
    X2
  }

  private enum MediumEnum {
    X0,
    X1,
    X2,
    X3,
    X4,
    X5,
    X6,

   * iterator whether it has any elements <i>remaining</i> (which one does using {@link
   * Iterator#hasNext}).
   *
   * <p><b>{@code Stream} equivalent:</b> {@code !stream.findAny().isPresent()}
   *
   * @return {@code true} if the iterable contains no elements
   */
  public static boolean isEmpty(Iterable<?> iterable) {
    if (iterable instanceof Collection) {

        return search(index, condition, (searchRequestBuilder, execTime, searchResponse) -> {
            final List<T> list = new ArrayList<>();
            searchResponse.ifPresent(response -> response.getHits().forEach(hit -> {
                list.add(creator.build(response, hit));
            }));
            return list;
        });
    }

                    .filter(r -> !Objects.equals(r.getUrl(), externalRepository.getUrl()))
                    .findFirst();
            if (clashingPomRepository.isPresent()) {
                addViolation(
                        problems,
                        Severity.WARNING,
                        Version.BASE,