static final ImmutableList<Object> EMPTY = new RegularImmutableList<>(new Object[0], 0);

  // The first `size` elements are non-null.
  @VisibleForTesting final transient @Nullable Object[] array;
  private final transient int size;

  RegularImmutableList(@Nullable Object[] array, int size) {
    this.array = array;
    this.size = size;
  }

  @Override
  public int size() {
    return size;

  // TODO: b/287198172 - Consider eagerly initializing these (but think about serialization).
  @LazyInit @CheckForNull private transient Ordering<@Nullable Comparable<?>> nullsFirst;
  @LazyInit @CheckForNull private transient Ordering<@Nullable Comparable<?>> nullsLast;

  @Override
  public int compare(Comparable<?> left, Comparable<?> right) {
    checkNotNull(left); // for GWT

  private transient @Nullable BiEntry<K, V>[] hashTableKToV;

  @SuppressWarnings("nullness:initialization.field.uninitialized") // For J2KT (see above)
  private transient @Nullable BiEntry<K, V>[] hashTableVToK;

  @Weak @CheckForNull private transient BiEntry<K, V> firstInKeyInsertionOrder;
  @Weak @CheckForNull private transient BiEntry<K, V> lastInKeyInsertionOrder;

 */
@ElementTypesAreNonnullByDefault
final class MapRetrievalCache<K, V> extends MapIteratorCache<K, V> {
  // See the note about volatile in the superclass.
  @CheckForNull private transient volatile CacheEntry<K, V> cacheEntry1;
  @CheckForNull private transient volatile CacheEntry<K, V> cacheEntry2;

  MapRetrievalCache(Map<K, V> backingMap) {
    super(backingMap);
  }

  // TODO: b/287198172 - Consider eagerly initializing these (but think about serialization).
  @LazyInit @CheckForNull private transient Ordering<@Nullable Comparable<?>> nullsFirst;
  @LazyInit @CheckForNull private transient Ordering<@Nullable Comparable<?>> nullsLast;

  @Override
  public int compare(Comparable<?> left, Comparable<?> right) {
    checkNotNull(left); // for GWT

    /** 負荷係数 */
    protected transient int threshold;

    /** マップとしてのエントリ */
    protected transient Entry<K, V>[] mapTable;

    /** 配列としてのエントリ */
    protected transient Entry<K, V>[] listTable;

    /** 要素数 */
    protected transient int size = 0;

    /** {@link Set}としてのビュー */
    protected transient Set<? extends Map.Entry<K, V>> entrySet = null;

    /**

import org.gradle.internal.serialization.Cached;
import org.gradle.internal.serialization.Transient;
import org.gradle.internal.service.ServiceRegistry;
import org.gradle.work.DisableCachingByDefault;

import javax.inject.Inject;
import java.net.URI;
import java.util.Collection;

import static org.gradle.internal.serialization.Transient.varOf;

/**

    return new DirectedMultiNetworkConnections<>(
        ImmutableMap.copyOf(inEdges), ImmutableMap.copyOf(outEdges), selfLoopCount);
  }

  @CheckForNull @LazyInit private transient Reference<Multiset<N>> predecessorsReference;

  @Override
  public Set<N> predecessors() {
    return Collections.unmodifiableSet(predecessorsMultiset().elementSet());
  }

   * object that no one else has a reference to, allowing us to guarantee
   * immutability. Hence, we support only {@link EnumSet}.
   */
  private final transient EnumSet<E> delegate;

  private ImmutableEnumSet(EnumSet<E> delegate) {
    this.delegate = delegate;
  }

  @Override
  boolean isPartialView() {
    return false;
  }

  @Override

    return new DirectedMultiNetworkConnections<>(
        ImmutableMap.copyOf(inEdges), ImmutableMap.copyOf(outEdges), selfLoopCount);
  }

  @CheckForNull @LazyInit private transient Reference<Multiset<N>> predecessorsReference;

  @Override
  public Set<N> predecessors() {
    return Collections.unmodifiableSet(predecessorsMultiset().elementSet());
  }