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

    private
    val timestampSource: String
        get() = parameters.run {
            when {
                buildTimestampFromBuildReceipt.isPresent -> "from build receipt"
                buildTimestampFromGradleProperty.isPresent -> "from buildTimestamp property"
                runningInstallTask.get() -> "from current time because installing"

        }.orElse(
            Optional.empty<T>()
        )
    }.reduce { acc, next ->
        acc.zip(next) { left, right ->
            when {
                left.isPresent -> {
                    require(!right.isPresent) {
                        "Expected at most one provider to be present"
                    }
                    left
                }
                else -> right
            }

    }

    @Internal
    protected
    fun getContributorsFromPullRequests(): Set<GitHubUser> {
        if (!milestone.isPresent) {
            error("Milestone not set: please rerun the task with `--milestone <milestone>`")
        }
        val prs: MutableList<GitHubPullRequest> = mutableListOf()
        for (page in 1..10) {

        serviceToProjectUseMap.put(key, this.project.getPath());

        Optional<String> otherProject = this.findOtherProjectUsingService(key);
        if (otherProject.isPresent()) {
            throw new GradleException(
                String.format(
                    Locale.ROOT,
                    "Projects %s and %s both claim the %s service defined in the docker-compose.yml of "

                })
            }
            .reduce { acc, next ->
                acc.zip(next) { left , right ->
                    when {
                        !left.isPresent -> right
                        !right.isPresent -> left
                        else -> Optional.of(combiner(left.get(), right.get()))
                    }
                }
            }
            .map { it.orElse(null) }
    }

  @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,

        assertTrue(result.isPresent());
        assertEquals("the", result.get().getInput());
    }

    @Test
    public void test_get_nonExistingItem() {
        // Load test data
        loadTestData();

        OptionalEntity<StopwordsItem> result = stopwordsFile.get(999);
        assertFalse(result.isPresent());
    }

    @Test

   * 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) {

   * 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) {