*
 * <p>See the Guava User Guide article on <a href=
 * "https://github.com/google/guava/wiki/NewCollectionTypesExplained#bimap">{@code BiMap}</a>.
 *
 * @author Mike Bostock
 * @since 2.0
 */
@GwtCompatible(emulated = true)
@J2ktIncompatible
@ElementTypesAreNonnullByDefault
public final class EnumBiMap<K extends Enum<K>, V extends Enum<V>> extends AbstractBiMap<K, V> {
  /*

 *
 * <p>The {@code standard} methods and any collection views they return are not guaranteed to be
 * thread-safe, even when all of the methods that they depend on are thread-safe.
 *
 * @author Mike Bostock
 * @author Louis Wasserman
 * @since 2.0
 */
@GwtCompatible
@ElementTypesAreNonnullByDefault
public abstract class ForwardingList<E extends @Nullable Object> extends ForwardingCollection<E>
    implements List<E> {

import java.util.Map.Entry;
import java.util.Set;
import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;

/**
 * Tests for {@code EnumBiMap}.
 *
 * @author Mike Bostock
 * @author Jared Levy
 */
@J2ktIncompatible // EnumBimap
@GwtCompatible(emulated = true)
@ElementTypesAreNonnullByDefault
public class EnumBiMapTest extends TestCase {
  private enum Currency {
    DOLLAR,

import java.util.Map.Entry;
import java.util.Set;
import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;

/**
 * Tests for {@code EnumBiMap}.
 *
 * @author Mike Bostock
 * @author Jared Levy
 */
@J2ktIncompatible // EnumBimap
@GwtCompatible(emulated = true)
@ElementTypesAreNonnullByDefault
public class EnumBiMapTest extends TestCase {
  private enum Currency {
    DOLLAR,

import junit.framework.TestCase;
import junit.framework.TestSuite;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * Tests for {@code Synchronized#multimap}.
 *
 * @author Mike Bostock
 */
public class SynchronizedMultimapTest extends TestCase {

  public static Test suite() {
    TestSuite suite = new TestSuite();
    suite.addTestSuite(SynchronizedMultimapTest.class);
    suite.addTest(

import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import junit.framework.TestCase;

/**
 * Tests for {@link Multisets}.
 *
 * @author Mike Bostock
 * @author Jared Levy
 * @author Louis Wasserman
 */
@GwtCompatible(emulated = true)
@ElementTypesAreNonnullByDefault
public class MultisetsTest extends TestCase {

 *
 * <p>The {@code standard} methods and any collection views they return are not guaranteed to be
 * thread-safe, even when all of the methods that they depend on are thread-safe.
 *
 * @author Mike Bostock
 * @author Louis Wasserman
 * @since 2.0
 */
@GwtCompatible
@ElementTypesAreNonnullByDefault
public abstract class ForwardingList<E extends @Nullable Object> extends ForwardingCollection<E>
    implements List<E> {

import java.util.Map.Entry;
import java.util.Set;
import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;

/**
 * Tests for {@link HashBiMap}.
 *
 * @author Mike Bostock
 */
@GwtCompatible(emulated = true)
@ElementTypesAreNonnullByDefault
public class HashBiMapTest extends TestCase {

  public static final class HashBiMapGenerator extends TestStringBiMapGenerator {
    @Override

import java.util.Map.Entry;
import java.util.Set;
import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;

/**
 * Tests for {@link HashBiMap}.
 *
 * @author Mike Bostock
 */
@GwtCompatible(emulated = true)
@ElementTypesAreNonnullByDefault
public class HashBiMapTest extends TestCase {

  public static final class HashBiMapGenerator extends TestStringBiMapGenerator {
    @Override

 *
 * <p>Note that this class contains {@code equals()} calls that keep it from supporting {@code
 * IdentityHashMap} backing maps.
 *
 * @author Kevin Bourrillion
 * @author Mike Bostock
 */
@GwtCompatible(emulated = true)
@ElementTypesAreNonnullByDefault
abstract class AbstractBiMap<K extends @Nullable Object, V extends @Nullable Object>
    extends ForwardingMap<K, V> implements BiMap<K, V>, Serializable {