/**
 * Base class for requests.
 *
 * @since 4.0.0
 */
@Experimental
abstract class BaseRequest<S extends ProtoSession> implements Request<S> {

    private final S session;
    private final RequestTrace trace;

    protected BaseRequest(@Nonnull S session) {
        this(session, null);
    }

    protected BaseRequest(@Nonnull S session, RequestTrace trace) {

import org.apache.maven.project.artifact.ProjectArtifactsCache;

public class SetWithResolutionResult extends AbstractSet<Artifact>
        implements ProjectArtifactsCache.ArtifactsSetWithResult {
    final DependencyResolutionResult result;
    final Set<Artifact> artifacts;

    public SetWithResolutionResult(DependencyResolutionResult result, Set<Artifact> artifacts) {
        this.result = result;

   * implementation type is an implementation detail.
   */
  @J2ktIncompatible // serialization
  private static final class SerializedForm<E> implements Serializable {
    final Comparator<? super E> comparator;
    final Object[] elements;

    SerializedForm(Comparator<? super E> comparator, Object[] elements) {
      this.comparator = comparator;
      this.elements = elements;

    /**
     * Simple test implementation of BufferCache for testing purposes
     */
    private static class TestBufferCacheImpl implements BufferCache {
        private final List<byte[]> cache;
        private final int bufferSize;
        private final int maxBuffers;

        public TestBufferCacheImpl(int maxBuffers, int bufferSize) {
            this.maxBuffers = maxBuffers;
            this.bufferSize = bufferSize;

  }

  @Override
  public final boolean addAll(int index, Collection<? extends E> newElements) {
    throw new UnsupportedOperationException();
  }

  @Override
  public final E set(int index, E element) {
    throw new UnsupportedOperationException();
  }

  @Override
  public final void add(int index, E element) {
    throw new UnsupportedOperationException();
  }

    }
    HashCode actual = hasher.hash();

    assertEquals(expected, actual);
  }

  private static final String TQBFJOTLD = "The quick brown fox jumps over the lazy dog";
  private static final String TQBFJOTLDP = "The quick brown fox jumps over the lazy dog.";

  private static final ImmutableTable<HashFunction, String, String> KNOWN_HASHES =
      ImmutableTable.<HashFunction, String, String>builder()

              requireNonNull(localAlternatingKeysAndValues[inI++]);
        }
      }
      return newAlternatingKeysAndValues;
    }

    static final class DuplicateKey {
      private final Object key;
      private final Object value1;
      private final Object value2;

      DuplicateKey(Object key, Object value1, Object value2) {
        this.key = key;
        this.value1 = value1;

 * @author Kyle Maddison
 * @author Geoff Pike
 */
final class FarmHashFingerprint64 extends AbstractNonStreamingHashFunction {
  static final HashFunction FARMHASH_FINGERPRINT_64 = new FarmHashFingerprint64();

  // Some primes between 2^63 and 2^64 for various uses.
  private static final long K0 = 0xc3a5c85c97cb3127L;
  private static final long K1 = 0xb492b66fbe98f273L;
  private static final long K2 = 0x9ae16a3b2f90404fL;

  @Override

    /**
     * Context name for directory lease request
     */
    public static final String NAME_DIRECTORY_REQUEST = "DLse";

    /**
     * Context name for directory lease response
     */
    public static final String NAME_DIRECTORY_RESPONSE = "DLse";

    private static final byte[] CONTEXT_NAME_BYTES = NAME_DIRECTORY_REQUEST.getBytes();

    /**
     * Directory lease flag for recursive caching

 *
 * @author Ben Yu
 * @since 1.0
 */
@J2ktIncompatible
@GwtIncompatible
public final class Defaults {
  private Defaults() {}

  private static final Double DOUBLE_DEFAULT = 0d;
  private static final Float FLOAT_DEFAULT = 0f;

  /**
   * Returns the default value of {@code type} as defined by JLS --- {@code 0} for numbers, {@code