assertThat(buildIfSupported()).isNotNull()
  }

  @Test
  fun buildsWhenJdk8() {
    platform.assumeJdk8()
    try {
      SSLSocket::class.java.getMethod("getApplicationProtocol")
      // also present on JDK8 after build 252.
      assertThat(buildIfSupported()).isNotNull()
    } catch (nsme: NoSuchMethodException) {
      assertThat(buildIfSupported()).isNull()
    }
  }

  @Test

  /**
   * Returns the next element in the iteration, without advancing the iteration.
   *
   * <p>Calls to {@code peek()} should not change the state of the iteration, except that it
   * <i>may</i> prevent removal of the most recent element via {@link #remove()}.
   *
   * @throws NoSuchElementException if the iteration has no more elements according to {@link
   *     #hasNext()}
   */
  @ParametricNullness
  E peek();

    attributes:
      value: >
        Thank you for filing a bug report. Please help us identify and resolve the bug by filling
        out the following fields. Before we begin, please make sure that the bug is still present in
        the [latest](https://github.com/google/guava/releases/latest) version of Guava available.
        If it's already fixed in the latest version of Guava, then please just update your Guava
        version instead.

public class SetAddTester<E> extends AbstractSetTester<E> {
  @CollectionFeature.Require(SUPPORTS_ADD)
  @CollectionSize.Require(absent = ZERO)
  public void testAdd_supportedPresent() {
    assertFalse("add(present) should return false", getSet().add(e0()));
    expectUnchanged();
  }

  @CollectionFeature.Require(value = {SUPPORTS_ADD, ALLOWS_NULL_VALUES})
  @CollectionSize.Require(absent = ZERO)

$VERSION
$VERSION-dev
$VERSION-venv
$VERSION-distutils
EOF
fi

/setup.packages.sh pythons.txt

# Re-link pyconfig.h from x86_64-linux-gnu into the devtoolset directory
# for any Python version present
pushd /usr/include/x86_64-linux-gnu
for f in $(ls | grep python); do
  # set up symlink for devtoolset-9
  rm -f /dt9/usr/include/x86_64-linux-gnu/$f

        when:
        run('checkDeadInternalLinks').buildAndFail()

        then:
        assertFoundDeadSectionLinks(sampleDoc, "missing_section", "other_missing_section")
    }

    def "validates present section links"() {
        given:
        sampleDoc << """
[[prior_section]]
Text

=== Valid Section Links
This section comes earlier: <<prior_section>>
This section comes later: <<subsequent_section>>

public interface TypeToInstanceMap<B extends @Nullable Object>
    extends Map<TypeToken<? extends @NonNull B>, B> {

  /**
   * Returns the value the specified class is mapped to, or {@code null} if no entry for this class
   * is present. This will only return a value that was bound to this specific class, not a value
   * that may have been bound to a subtype.
   *
   * <p>{@code getInstance(Foo.class)} is equivalent to {@code

public interface TypeToInstanceMap<B extends @Nullable Object>
    extends Map<TypeToken<? extends @NonNull B>, B> {

  /**
   * Returns the value the specified class is mapped to, or {@code null} if no entry for this class
   * is present. This will only return a value that was bound to this specific class, not a value
   * that may have been bound to a subtype.
   *
   * <p>{@code getInstance(Foo.class)} is equivalent to {@code

        + nodes()
        + ", edges: "
        + edgeIncidentNodesMap(this);
  }

  /**
   * Returns a {@link Set} whose methods throw {@link IllegalStateException} when the given edge is
   * not present in this network.
   *
   * @since 33.1.0
   */
  protected final <T> Set<T> edgeInvalidatableSet(Set<T> set, E edge) {
    return InvalidatableSet.of(

        + nodes()
        + ", edges: "
        + edgeIncidentNodesMap(this);
  }

  /**
   * Returns a {@link Set} whose methods throw {@link IllegalStateException} when the given edge is
   * not present in this network.
   *
   * @since 33.1.0
   */
  protected final <T> Set<T> edgeInvalidatableSet(Set<T> set, E edge) {
    return InvalidatableSet.of(