tester.testAllPublicInstanceMethods(new FakeTicker());
  }

  @GwtIncompatible // java.time.Duration
  @IgnoreJRERequirement // TODO: b/288085449 - Remove this once we use library-desugaring scents.
  public void testAdvance() {
    FakeTicker ticker = new FakeTicker();
    assertEquals(0, ticker.read());
    assertThat(ticker.advance(10)).isSameInstanceAs(ticker);
    assertEquals(10, ticker.read());

   */
  static <T extends ForwardingObject> void testForwardingObject(Class<T> forwarderClass) {
    List<Class<?>> interfaces = new ArrayList<>(Arrays.asList(forwarderClass.getInterfaces()));
    // Desugaring may introduce AutoCloseable as an extra interface.
    interfaces.remove(AutoCloseable.class);
    @SuppressWarnings("unchecked") // super interface type of T

   */
  static <T extends ForwardingObject> void testForwardingObject(Class<T> forwarderClass) {
    List<Class<?>> interfaces = new ArrayList<>(Arrays.asList(forwarderClass.getInterfaces()));
    // Desugaring may introduce AutoCloseable as an extra interface.
    interfaces.remove(AutoCloseable.class);
    @SuppressWarnings("unchecked") // super interface type of T

 *       is strongly recommended.
 *   <li>Streams are standard Java, not requiring a third-party dependency (but requiring <a
 *       href="https://developer.android.com/studio/write/java8-support#library-desugaring">library
 *       desugaring</a> or <a
 *       href="https://developer.android.com/reference/java/util/stream/Stream">API Level 24</a>
 *       under Android).
 * </ul>
 *
 * <h3>Example</h3>
 *

   *     throws an {@code UncheckedIOException}
   * @since 33.4.0 (but since 22.0 in the JRE flavor)
   */
  /*
   * We have to rely on users not to call this without library desugaring, as NewApi won't flag
   * Consumer creation.
   */
  @IgnoreJRERequirement
  public void forEachLine(Consumer<? super String> action) throws IOException {
    try (Stream<String> lines = lines()) {

 */
@GwtCompatible
/*
 * Users will use most of these methods only if they're already using Stream. For a few other
 * methods, like stream(Iterable), we have to rely on users not to call them without library
 * desugaring.
 */
@IgnoreJRERequirement
public final class Streams {
  /**
   * Returns a sequential {@link Stream} of the contents of {@code iterable}, delegating to {@link
   * Collection#stream} if possible.
   */