private final transient ImmutableList<V> valueList;
  private final transient @Nullable ImmutableSortedMap<K, V> descendingMap;

  ImmutableSortedMap(RegularImmutableSortedSet<K> keySet, ImmutableList<V> valueList) {
    this(keySet, valueList, null);
  }

  ImmutableSortedMap(
      RegularImmutableSortedSet<K> keySet,
      ImmutableList<V> valueList,

 * @author Kurt Alfred Kluever
 */
@NullUnmarked
public class HashCodeTest extends TestCase {
  // note: asInt(), asLong() are in little endian
  private static final ImmutableList<ExpectedHashCode> expectedHashCodes =
      ImmutableList.of(
          new ExpectedHashCode(
              new byte[] {
                (byte) 0xef, (byte) 0xcd, (byte) 0xab, (byte) 0x89,

  }

  /**
   * This atrocity is here to let us report several of the elements in the stream if there were more
   * than one, not just two.
   */
  @SuppressWarnings("EmptyList") // ImmutableList doesn't support nullable element types
  @IgnoreJRERequirement // see enclosing class (whose annotation Animal Sniffer ignores here...)
  private static final class ToOptionalState<T extends @Nullable Object> {

  }

  private static ImmutableList<URL> getClassLoaderUrls(ClassLoader classloader) {
    if (classloader instanceof URLClassLoader) {
      return ImmutableList.copyOf(((URLClassLoader) classloader).getURLs());
    }
    if (classloader.equals(ClassLoader.getSystemClassLoader())) {
      return parseJavaClassPath();
    }
    return ImmutableList.of();
  }

  /**

  }

  /**
   * This atrocity is here to let us report several of the elements in the stream if there were more
   * than one, not just two.
   */
  @SuppressWarnings("EmptyList") // ImmutableList doesn't support nullable element types
  @IgnoreJRERequirement // see enclosing class (whose annotation Animal Sniffer ignores here...)
  private static final class ToOptionalState<T extends @Nullable Object> {

    final List<State> stateHistory = new ArrayList<>();

    final CountDownLatch completionLatch = new CountDownLatch(1);

    ImmutableList<State> getStateHistory() throws Exception {
      completionLatch.await();
      synchronized (this) {
        return ImmutableList.copyOf(stateHistory);
      }
    }

    @Override
    public synchronized void starting() {
      assertTrue(stateHistory.isEmpty());

    final List<State> stateHistory = new ArrayList<>();

    final CountDownLatch completionLatch = new CountDownLatch(1);

    ImmutableList<State> getStateHistory() throws Exception {
      completionLatch.await();
      synchronized (this) {
        return ImmutableList.copyOf(stateHistory);
      }
    }

    @Override
    public synchronized void starting() {
      assertTrue(stateHistory.isEmpty());

 *       utilities do have replacements here).
 *   <li>Dependency on {@code com.google.common} / Guava.
 * </ul>
 *
 * <p>Advantages compared to {@link com.google.common.collect.ImmutableList ImmutableList}{@code
 * <Double>}:
 *
 * <ul>
 *   <li>Improved memory compactness and locality.
 *   <li>Can be queried without allocating garbage.

 *       utilities do have replacements here).
 *   <li>Dependency on {@code com.google.common} / Guava.
 * </ul>
 *
 * <p>Advantages compared to {@link com.google.common.collect.ImmutableList ImmutableList}{@code
 * <Integer>}:
 *
 * <ul>
 *   <li>Improved memory compactness and locality.
 *   <li>Can be queried without allocating garbage.

  }

  public void testAsList() {
    ImmutableList<Integer> list = ContiguousSet.create(Range.closed(1, 3), integers()).asList();
    for (int i = 0; i < 3; i++) {
      assertEquals(i + 1, list.get(i).intValue());
    }
    assertEquals(ImmutableList.of(1, 2, 3), ImmutableList.copyOf(list.iterator()));
    assertEquals(ImmutableList.of(1, 2, 3), ImmutableList.copyOf(list.toArray(new Integer[0])));
  }