*/

package com.google.common.collect;

import com.google.common.annotations.GwtCompatible;

/**
 * Dummy class that makes the GWT serialization policy happy. It isn't used on the server-side.
 *
 * @author Hayward Chan
 */
@GwtCompatible(emulated = true)
@ElementTypesAreNonnullByDefault
class ForwardingImmutableCollection {
  private ForwardingImmutableCollection() {}

 * limitations under the License.
 */

package com.google.common.collect;

import java.util.Collections;
import java.util.Set;

/**
 * GWT emulation of {@link RegularImmutableSet}.
 *
 * @author Hayward Chan
 */
@ElementTypesAreNonnullByDefault
final class RegularImmutableSet<E> extends ForwardingImmutableSet<E> {
  static final RegularImmutableSet<Object> EMPTY =

 * limitations under the License.
 */

package com.google.common.collect;

import java.util.Map;

/**
 * GWt emulation of {@link RegularImmutableMap}.
 *
 * @author Hayward Chan
 */
@ElementTypesAreNonnullByDefault
final class RegularImmutableMap<K, V> extends ForwardingImmutableMap<K, V> {

  static final ImmutableMap<Object, Object> EMPTY = new RegularImmutableMap<Object, Object>();

import static com.google.common.base.Preconditions.checkNotNull;

import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * GWT emulation of {@link SingletonImmutableSet}.
 *
 * @author Hayward Chan
 */
@ElementTypesAreNonnullByDefault
final class SingletonImmutableSet<E> extends ImmutableSet<E> {

  // This reference is used both by the custom field serializer, and by the

 */

package com.google.common.collect;

import com.google.common.annotations.GwtCompatible;

/**
 * Dummy class that makes the GWT serialization policy happy. It isn't used on the server-side.
 *
 * @author Hayward Chan
 */
@GwtCompatible(emulated = true)
@ElementTypesAreNonnullByDefault
class ForwardingImmutableCollection {
  private ForwardingImmutableCollection() {}

import java.util.Comparator;
import java.util.SortedSet;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * GWT emulation of {@link RegularImmutableSortedSet}.
 *
 * @author Hayward Chan
 */
@ElementTypesAreNonnullByDefault
final class RegularImmutableSortedSet<E> extends ImmutableSortedSet<E> {

  /** true if this set is a subset of another immutable sorted set. */
  final boolean isSubset;

package com.google.common.collect;

import java.util.Set;

/**
 * GWT emulation of {@link ImmutableEnumSet}. The type parameter is not bounded by {@code Enum<E>}
 * to avoid code-size bloat.
 *
 * @author Hayward Chan
 */
@ElementTypesAreNonnullByDefault
final class ImmutableEnumSet<E> extends ForwardingImmutableSet<E> {
  static <E> ImmutableSet<E> asImmutable(Set<E> delegate) {
    switch (delegate.size()) {
      case 0:

import static com.google.common.base.Preconditions.checkNotNull;
import static java.util.Collections.singletonList;

import java.util.List;

/**
 * GWT emulated version of {@link SingletonImmutableList}.
 *
 * @author Hayward Chan
 */
@ElementTypesAreNonnullByDefault
final class SingletonImmutableList<E> extends ForwardingImmutableList<E> {

  final transient List<E> delegate;

import java.util.Set;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * GWT implementation of {@link ImmutableSet} that forwards to another {@code Set} implementation.
 *
 * @author Hayward Chan
 */
@ElementTypesAreNonnullByDefault
@SuppressWarnings("serial") // Serialization only done in GWT.
public abstract class ForwardingImmutableSet<E> extends ImmutableSet<E> {
  private final transient Set<E> delegate;

 * limitations under the License.
 */

package com.google.common.collect;

import java.util.HashMap;

/**
 * GWT emulation of {@link RegularImmutableBiMap}.
 *
 * @author Jared Levy
 * @author Hayward Chan
 */
@ElementTypesAreNonnullByDefault
@SuppressWarnings("serial")
class RegularImmutableBiMap<K, V> extends ImmutableBiMap<K, V> {
  static final RegularImmutableBiMap<Object, Object> EMPTY =