stream.defaultReadObject();
    int size = stream.readInt();
    init(16); // resist hostile attempts to allocate gratuitous heap
    Serialization.populateMap(this, stream, size);
  }

  // TODO(cpovirk): Should we have a serialVersionUID here?

   *
   * @since 11.0
   */
  public static <E> ImmutableMultiset<E> copyHighestCountFirst(Multiset<E> multiset) {
    @SuppressWarnings("unchecked") // generics+arrays
    // TODO(cpovirk): Consider storing an Entry<?> instead of Entry<E>.
    Entry<E>[] entries = (Entry<E>[]) multiset.entrySet().toArray((Entry<E>[]) new Entry<?>[0]);
    Arrays.sort(entries, DecreasingCount.INSTANCE);

   *
   * @since 11.0
   */
  public static <E> ImmutableMultiset<E> copyHighestCountFirst(Multiset<E> multiset) {
    @SuppressWarnings("unchecked") // generics+arrays
    // TODO(cpovirk): Consider storing an Entry<?> instead of Entry<E>.
    Entry<E>[] entries = (Entry<E>[]) multiset.entrySet().toArray((Entry<E>[]) new Entry<?>[0]);
    Arrays.sort(entries, DecreasingCount.INSTANCE);

        current.pred = null;
        current.succ = null;

        current = next;
      }
      successor(header, header);
      rootReference.clear();
    } else {
      // TODO(cpovirk): Perhaps we can optimize in this case, too?
      Iterators.clear(entryIterator());
    }
  }

  private Entry<E> wrapEntry(AvlNode<E> baseEntry) {
    return new Multisets.AbstractEntry<E>() {
      @Override

    assertThat(logHandler.getStoredLogRecords().isEmpty()).isTrue();
  }

  private void checkLogged(Throwable t) {
    assertThat(popLoggedThrowable()).isSameInstanceAs(t);
  }

  /*
   * TODO(cpovirk): Can we replace makeLocalCache with a call to builder.build()? Some tests may
   * need access to LocalCache APIs, but maybe we can at least make makeLocalCache use
   * builder.build() and then cast?
   */

    assertThat(logHandler.getStoredLogRecords().isEmpty()).isTrue();
  }

  private void checkLogged(Throwable t) {
    assertThat(popLoggedThrowable()).isSameInstanceAs(t);
  }

  /*
   * TODO(cpovirk): Can we replace makeLocalCache with a call to builder.build()? Some tests may
   * need access to LocalCache APIs, but maybe we can at least make makeLocalCache use
   * builder.build() and then cast?
   */

  private static void shouldPass(Object instance) {
    shouldPass(instance, Visibility.PACKAGE);
    shouldPass(instance, Visibility.PROTECTED);
    shouldPass(instance, Visibility.PUBLIC);
  }

  // TODO(cpovirk): eliminate surprising Object/Class overloading of shouldFail

  private static void shouldFail(Object instance, Visibility visibility) {
    try {
      new NullPointerTester().testInstanceMethods(instance, visibility);

        current.pred = null;
        current.succ = null;

        current = next;
      }
      successor(header, header);
      rootReference.clear();
    } else {
      // TODO(cpovirk): Perhaps we can optimize in this case, too?
      Iterators.clear(entryIterator());
    }
  }

  private Entry<E> wrapEntry(AvlNode<E> baseEntry) {
    return new Multisets.AbstractEntry<E>() {
      @Override

import org.jspecify.annotations.Nullable;

/**
 * Unit tests for {@code Ordering}.
 *
 * @author Jesse Wilson
 */
@GwtCompatible
@NullMarked
public class OrderingTest extends TestCase {
  // TODO(cpovirk): some of these are inexplicably slow (20-30s) under GWT

  private final Ordering<Number> numberOrdering = new NumberOrdering();

  public void testAllEqual() {

import org.jspecify.annotations.Nullable;

/**
 * Unit tests for {@code Ordering}.
 *
 * @author Jesse Wilson
 */
@GwtCompatible
@NullMarked
public class OrderingTest extends TestCase {
  // TODO(cpovirk): some of these are inexplicably slow (20-30s) under GWT

  private final Ordering<Number> numberOrdering = new NumberOrdering();

  public void testAllEqual() {