val runningDocsTestTask: Property<Boolean>
    }

    override fun obtain(): String? = parameters.run {

        val buildTimestampFromReceipt = buildTimestampFromBuildReceipt.orNull
        if (buildTimestampFromReceipt != null) {
            println("Using timestamp from incoming build receipt: $buildTimestampFromReceipt")
            return buildTimestampFromReceipt
        }

   */
  public abstract boolean isPresent();

  /**
   * Returns the contained instance, which must be present. If the instance might be absent, use
   * {@link #or(Object)} or {@link #orNull} instead.
   *
   * <p><b>Comparison to {@code java.util.Optional}:</b> when the value is absent, this method
   * throws {@link IllegalStateException}, whereas the {@code java.util} counterpart throws {@link

val Project.maxTestDistributionRemoteExecutors: Int?
    get() = gradleProperty(MAX_TEST_DISTRIBUTION_REMOTE_EXECUTORS).orNull?.toInt()

val Project.maxTestDistributionLocalExecutors: Int?
    get() = gradleProperty(MAX_TEST_DISTRIBUTION_LOCAL_EXECUTORS).orNull?.toInt()

val Project.flakyTestStrategy: FlakyTestStrategy
    get() = gradleProperty(FLAKY_TEST).let {
        if (it.getOrElse("").isEmpty()) {

  public boolean isPresent() {
    return true;
  }

  @Override
  public T get() {
    return reference;
  }

  @Override
  public T or(T defaultValue) {
    checkNotNull(defaultValue, "use Optional.orNull() instead of Optional.or(null)");
    return reference;
  }

  @Override
  public Optional<T> or(Optional<? extends T> secondChoice) {
    checkNotNull(secondChoice);
    return this;
  }

  @Override

  public boolean isPresent() {
    return true;
  }

  @Override
  public T get() {
    return reference;
  }

  @Override
  public T or(T defaultValue) {
    checkNotNull(defaultValue, "use Optional.orNull() instead of Optional.or(null)");
    return reference;
  }

  @Override
  public Optional<T> or(Optional<? extends T> secondChoice) {
    checkNotNull(secondChoice);
    return this;
  }

  @Override

   * expression {@code o -> o.toJavaUtil()} instead.
   *
   * @since 21.0
   */
  public java.util.Optional<T> toJavaUtil() {
    return java.util.Optional.ofNullable(orNull());
  }

  Optional() {}

  /**
   * Returns {@code true} if this holder contains a (non-null) instance.
   *
   * <p><b>Comparison to {@code java.util.Optional}:</b> no differences.
   */

                else -> it
            }
        }

    private
    fun Parameters.buildReceiptString(): String? = when {
        ignoreIncomingBuildReceipt.get() -> null
        else -> buildReceiptFileContents.orNull
    }

  @Override
  @CheckForNull
  public <A extends Annotation> A getDeclaredAnnotation(Class<A> annotationType) {
    checkNotNull(annotationType);
    return FluentIterable.from(annotations).filter(annotationType).first().orNull();
  }

  /**
   * @since 18.0
   */
  @Override
  public <A extends Annotation> A[] getDeclaredAnnotationsByType(Class<A> annotationType) {
    @Nullable

  }

  @SuppressWarnings("OptionalOfRedundantMethod") // Unit tests for Optional
  public void testOrNull_present() {
    assertEquals("a", Optional.of("a").orNull());
  }

  public void testOrNull_absent() {
    assertNull(Optional.absent().orNull());
  }

  public void testAsSet_present() {
    Set<String> expected = Collections.singleton("a");
    assertEquals(expected, Optional.of("a").asSet());
  }

  }

  @SuppressWarnings("OptionalOfRedundantMethod") // Unit tests for Optional
  public void testOrNull_present() {
    assertEquals("a", Optional.of("a").orNull());
  }

  public void testOrNull_absent() {
    assertNull(Optional.absent().orNull());
  }

  public void testAsSet_present() {
    Set<String> expected = Collections.singleton("a");
    assertEquals(expected, Optional.of("a").asSet());
  }