return element.equals(target);
  }

  @Override
  public UnmodifiableIterator<E> iterator() {
    return singletonIterator(element);
  }

  @Override
  public ImmutableList<E> asList() {
    return ImmutableList.of(element);
  }

  @Override
  boolean isPartialView() {
    return false;
  }

  @Override
  int copyIntoArray(@Nullable Object[] dst, int offset) {
    dst[offset] = element;

    generator.addSampleInstances(String.class, ImmutableList.of("a"));
    assertThat(generator.generateFresh(String.class)).isEqualTo("a");
    assertThat(generator.generateFresh(String.class)).isEqualTo("a");
  }

  public void testAddSampleInstances_noInstance() {
    FreshValueGenerator generator = new FreshValueGenerator();
    generator.addSampleInstances(String.class, ImmutableList.<String>of());

import java.util.List;

/**
 * GWT emulated version of {@link RegularImmutableList}.
 *
 * @author Hayward Chan
 */
final class RegularImmutableList<E> extends ForwardingImmutableList<E> {
  static final ImmutableList<Object> EMPTY = new RegularImmutableList<Object>(emptyList());

  private final List<E> delegate;

  RegularImmutableList(List<E> delegate) {
    // TODO(cpovirk): avoid redundant unmodifiableList wrapping

  private static final ImmutableList<String> NULL_TEST_METHOD_NAMES =
      ImmutableList.of(
          "testNulls", "testNull",
          "testNullPointers", "testNullPointer",
          "testNullPointerExceptions", "testNullPointerException");

  /* The names of the expected method that tests serializable. */
  private static final ImmutableList<String> SERIALIZABLE_TEST_METHOD_NAMES =

    ImmutableList<TestDatum> first = ImmutableList.of(new TestDatum("A", 1), new TestDatum("A", 2));
    ImmutableList<TestDatum> second =
        ImmutableList.of(new TestDatum("A", 3), new TestDatum("A", 4));

    Comparator<TestDatum> comparator = Comparator.comparing(d -> d.letter);
    Iterator<TestDatum> merged =

  public void testPutAllNullForbidden() {
    assertThrows(NullPointerException.class, () -> multimap().putAll(null, singletonList(v3())));
  }

  @SuppressWarnings("EmptyList") // ImmutableList doesn't support nullable element types
  @MapFeature.Require(SUPPORTS_PUT)
  public void testPutAllEmptyCollectionOnAbsentKey() {
    assertFalse(multimap().putAll(k3(), Collections.emptyList()));
    expectUnchanged();

    ImmutableList<TestDatum> first = ImmutableList.of(new TestDatum("A", 1), new TestDatum("A", 2));
    ImmutableList<TestDatum> second =
        ImmutableList.of(new TestDatum("A", 3), new TestDatum("A", 4));

    Comparator<TestDatum> comparator = Comparator.comparing(d -> d.letter);
    Iterator<TestDatum> merged =

Another easy way to get to the Javadoc is to open
[guava.dev/api](https://guava.dev/api). You can also jump right to a specific
class by appending the class name to guava.dev. For example,
[guava.dev/ImmutableList](https://guava.dev/ImmutableList)!

## Learn about Guava

-   Our users' guide, [Guava Explained]
-   [A nice collection](https://www.tfnico.com/presentations/google-guava) of
    other helpful links

## Links

/**
 * An iterator that does not support {@link #remove}.
 *
 * <p>{@code UnmodifiableIterator} is used primarily in conjunction with implementations of {@link
 * ImmutableCollection}, such as {@link ImmutableList}. You can, however, convert an existing
 * iterator to an {@code UnmodifiableIterator} using {@link Iterators#unmodifiableIterator}.
 *
 * @author Jared Levy
 * @since 2.0
 */
@GwtCompatible

   * gets invoked from other immutable collections.
   */
  public void testDoesntCheckForNull() {
    ImmutableSet<Integer> set = ImmutableSet.of(1, 2, 3);
    ImmutableList<Integer> unused =
        new RegularImmutableAsList<Integer>(set, new @Nullable Object[] {null, null, null});
    // shouldn't throw!
  }