* forwards the calls to the underlying {@code Map}.
   */
  private static class CheckSetUpInvocationHandler implements InvocationHandler, Serializable {
    private final Map<String, String> map;
    private final AtomicBoolean setUpRan;

    CheckSetUpInvocationHandler(Map<String, String> map, AtomicBoolean setUpRan) {
      this.map = map;
      this.setUpRan = setUpRan;
    }

    @Override

   */
  protected final void validateEndpoints(EndpointPair<?> endpoints) {
    checkNotNull(endpoints);
    checkArgument(isOrderingCompatible(endpoints), ENDPOINTS_MISMATCH);
  }

  protected final boolean isOrderingCompatible(EndpointPair<?> endpoints) {
    return endpoints.isOrdered() == this.isDirected();
  }

  @Override
  public final boolean equals(@CheckForNull Object obj) {

  // TODO(b/345814817): Move this to RegularImmutableList?
  @SuppressWarnings("ClassInitializationDeadlock")
  private static final UnmodifiableListIterator<Object> EMPTY_ITR =
      new Itr<Object>(RegularImmutableList.EMPTY, 0);

  static class Itr<E> extends AbstractIndexedListIterator<E> {
    private final ImmutableList<E> list;

    Itr(ImmutableList<E> list, int index) {
      super(list.size(), index);
      this.list = list;

/**
 * Maven GA level metadata.
 *
 * @deprecated since 4.0.0, use {@code maven-api-impl} jar instead
 */
@Deprecated(since = "4.0.0")
final class VersionsMetadata extends MavenMetadata {

    private final Artifact artifact;

    VersionsMetadata(Artifact artifact, Date timestamp) {
        super(createRepositoryMetadata(artifact), (Path) null, timestamp);
        this.artifact = artifact;

import java.util.Collection;
import java.util.HashSet;
import java.util.List;
import java.util.Set;

public class ClassDocMethodsBuilder extends ModelBuilderSupport {
    private final JavadocConverter javadocConverter;
    private final GenerationListener listener;

    public ClassDocMethodsBuilder(JavadocConverter converter, GenerationListener listener) {
        this.javadocConverter = converter;
        this.listener = listener;

 * Clients may request multiple sessions.
 */
public final class OAuthSessionFactory extends Dispatcher implements Closeable {
  private final SecureRandom secureRandom = new SecureRandom();

  private final SlackApi slackApi;
  private MockWebServer mockWebServer;

  /** Guarded by this. */
  private final Map<ByteString, Listener> listeners = new LinkedHashMap<>();

    // Slide new entry into first cache position. Drop previous entry in second cache position.
    cacheEntry2 = cacheEntry1;
    cacheEntry1 = entry;
  }

  private static final class CacheEntry<K, V> {
    final K key;
    final V value;

    CacheEntry(K key, V value) {
      this.key = key;
      this.value = value;
    }
  }

@Named
@Singleton
public class DefaultTypeRegistry extends AbstractEventSpy implements TypeRegistry {
    private final Map<String, Type> types;

    private final LanguageRegistry languageRegistry;

    private final ConcurrentHashMap<String, Type> usedTypes;

    private final LegacyArtifactHandlerManager manager;

    @Inject
    public DefaultTypeRegistry(

    private static final long serialVersionUID = 1;

    final Strength keyStrength;
    final Strength valueStrength;
    final Equivalence<Object> keyEquivalence;
    final Equivalence<Object> valueEquivalence;
    final long expireAfterWriteNanos;
    final long expireAfterAccessNanos;
    final long maxWeight;
    final Weigher<K, V> weigher;
    final int concurrencyLevel;

 *
 * @author Ben Yu
 * @since 14.0
 */
@ElementTypesAreNonnullByDefault
public final class Parameter implements AnnotatedElement {

  private final Invokable<?, ?> declaration;
  private final int position;
  private final TypeToken<?> type;
  private final ImmutableList<Annotation> annotations;

  /**