return forward.iterator();
  }

  @Override
  @GwtIncompatible("NavigableSet")
  ImmutableSortedSet<E> createDescendingSet() {
    throw new AssertionError("should never be called");
  }

  @Override
  public @Nullable E lower(E element) {
    return forward.higher(element);
  }

  @Override
  public @Nullable E floor(E element) {
    return forward.ceiling(element);

            this.problems.addAll(problems);
        }
    }

    /**
     * Gets the problems that caused this exception.
     *
     * @return The problems that caused this exception, never {@code null}.
     */
    public List<SettingsProblem> getProblems() {
        return problems;
    }

    private static String toMessage(List<SettingsProblem> problems) {

 * #wrapTask(Callable) wrap} tasks before they are submitted to the underlying executor.
 *
 * <p>Note that task wrapping may occur even if the task is never executed.
 *
 * @author Luke Sandberg
 */
@J2ktIncompatible
@GwtIncompatible
abstract class WrappingScheduledExecutorService extends WrappingExecutorService
    implements ScheduledExecutorService {

        when(mockBufferCache.getBuffer()).thenReturn(expectedBuffer);

        // When
        byte[] buffer = mockBufferCache.getBuffer();

        // Then
        assertNotNull(buffer, "getBuffer should never return null");
        assertSame(expectedBuffer, buffer, "Should return configured buffer");
    }

    @Test
    @DisplayName("releaseBuffer should accept byte arrays gracefully")
    void testReleaseBufferContract() {

    throw new AssertionError("should never be called");
  }

  @Override
  public ImmutableCollection<V> values() {
    return (ImmutableCollection<V>) super.values();
  }

  @Override
  abstract ImmutableCollection<V> createValues();

  @Override
  final Iterator<V> valuesIterator() {
    throw new AssertionError("should never be called");
  }

  /**
   * {@inheritDoc}

    }
    safeChars += "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
    // Avoid ambiguous parameters. Safe characters are never modified so if
    // space is a safe character then setting plusForSpace is meaningless.
    if (plusForSpace && safeChars.contains(" ")) {
      throw new IllegalArgumentException(

     */
    private final SmbFileFilter ALWAYSACTIVE = new SmbFileFilter() {
        @Override
        public boolean accept(SmbFile file) throws SmbException {
            // Never inspect the file – simply accept.
            return true;
        }
    };

    /**
     * Helper filter that records the last file passed to it. Useful for
     * verifying interaction.
     */

   * [match][Cookie.matches] [url].
   */
  fun loadForRequest(url: HttpUrl): List<Cookie>

  companion object {
    /** A cookie jar that never accepts any cookies. */
    @JvmField
    val NO_COOKIES: CookieJar = NoCookies()

    private class NoCookies : CookieJar {
      override fun saveFromResponse(
        url: HttpUrl,
        cookies: List<Cookie>,

 * default} methods. Specifically, it forwards calls only for methods that existed <a
 * href="https://docs.oracle.com/javase/7/docs/api/java/util/ListIterator.html">before {@code
 * default} methods were introduced</a>. For newer methods, like {@code forEachRemaining}, it
 * inherits their default implementations. When those implementations invoke methods, they invoke
 * methods on the {@code ForwardingListIterator}.
 *
 * @author Mike Bostock

     * Gets the policy that applies to this metadata regarding the specified repository.
     *
     * @param repository The repository for which to determine the policy, must not be {@code null}.
     * @return The policy, never {@code null}.
     */
    ArtifactRepositoryPolicy getPolicy(ArtifactRepository repository);