public final boolean setCount(E element, int oldCount, int newCount) {
    throw new UnsupportedOperationException();
  }

  @GwtIncompatible // not present in emulated superclass
  @Override
  int copyIntoArray(@Nullable Object[] dst, int offset) {
    for (Multiset.Entry<E> entry : entrySet()) {
      Arrays.fill(dst, offset, offset + entry.getCount(), entry.getElement());

import java.util.Set;
import java.util.concurrent.Callable;
import java.util.concurrent.ConcurrentMap;
import java.util.concurrent.ExecutionException;
import org.jspecify.annotations.Nullable;

/**
 * LocalCache emulation for GWT.
 *
 * @param <K> the base key type
 * @param <V> the base value type
 * @author Charles Fry
 * @author Jon Donovan
 */
final class LocalCache<K, V> implements ConcurrentMap<K, V> {

import java.util.Map;
import java.util.SortedMap;
import java.util.function.BinaryOperator;
import java.util.function.Function;
import java.util.stream.Collector;
import org.jspecify.annotations.Nullable;

/**
 * GWT emulated version of {@link com.google.common.collect.ImmutableSortedMap}. It's a thin wrapper
 * around a {@link java.util.TreeMap}.
 *
 * @author Hayward Chan
 */

      return multimap.containsValue(object);
    }

    @Override
    public UnmodifiableIterator<V> iterator() {
      return multimap.valueIterator();
    }

    @GwtIncompatible // not present in emulated superclass
    @Override
    int copyIntoArray(@Nullable Object[] dst, int offset) {
      for (ImmutableCollection<V> valueCollection : multimap.map.values()) {
        offset = valueCollection.copyIntoArray(dst, offset);

   * @since 11.0
   */
  public static <E extends @Nullable Object> SortedMultiset<E> unmodifiableSortedMultiset(
      SortedMultiset<E> sortedMultiset) {
    // it's in its own file so it can be emulated for GWT
    return new UnmodifiableSortedMultiset<>(checkNotNull(sortedMultiset));
  }

  /**
   * Returns an immutable multiset entry with the specified element and count. The entry will be

   * @since 11.0
   */
  public static <E extends @Nullable Object> SortedMultiset<E> unmodifiableSortedMultiset(
      SortedMultiset<E> sortedMultiset) {
    // it's in its own file so it can be emulated for GWT
    return new UnmodifiableSortedMultiset<>(checkNotNull(sortedMultiset));
  }

  /**
   * Returns an immutable multiset entry with the specified element and count. The entry will be

      return multimap.containsValue(object);
    }

    @Override
    public UnmodifiableIterator<V> iterator() {
      return multimap.valueIterator();
    }

    @GwtIncompatible // not present in emulated superclass
    @Override
    int copyIntoArray(@Nullable Object[] dst, int offset) {
      for (ImmutableCollection<V> valueCollection : multimap.map.values()) {
        offset = valueCollection.copyIntoArray(dst, offset);

		file: "testdata/pax-nul-xattrs.tar",
		err:  ErrHeader,
	}, {
		// BSD tar v3.1.2 rejects a PAX path with NUL in the value, while
		// GNU tar v1.27.1 simply truncates at first NUL.
		// We emulate the behavior of BSD since it is strange doing NUL
		// truncations since PAX records are length-prefix strings instead
		// of NUL-terminated C-strings.
		file: "testdata/pax-nul-path.tar",
		err:  ErrHeader,
	}, {

- Added a new CLI flag `--emulation-forward-compatible`
  Added a new CLI `--runtime-config-emulation-forward-compatible` ([#130354](https://github.com/kubernetes/kubernetes/pull/130354), [@siyuanfoundation](https://github.com/siyuanfoundation)) [SIG API Machinery, Etcd and Testing]

- Fixed a 1.31 regression with API emulation versioning honors cohabitating resources. ([#127239](https://github.com/kubernetes/kubernetes/pull/127239), [@xuzhenglun](https://github.com/xuzhenglun))