// WARMUP_MAX), but the tests assume no values get evicted. Even with a maximumSize of 100, one
    // of the values gets evicted. With weak keys, we use identity equality, which means using
    // System.identityHashCode, which means the assignment of keys to segments is nondeterministic,
    // so more than (maximumSize / #segments) keys could get assigned to the same segment, which

   * @since 27.1
   */
  @CheckForNull
  V edgeValueOrDefault(EndpointPair<N> endpoints, @CheckForNull V defaultValue);

  //
  // ValueGraph identity
  //

  /**
   * Returns {@code true} iff {@code object} is a {@link ValueGraph} that has the same elements and
   * the same structural relationships as those in this graph.
   *

   * unsigned.
   *
   * <p>The returned comparator is inconsistent with {@link Object#equals(Object)} (since arrays
   * support only identity equality), but it is consistent with {@link
   * java.util.Arrays#equals(byte[], byte[])}.
   *
   * @since 2.0
   */
  public static Comparator<byte[]> lexicographicalComparator() {

    public boolean equals(@CheckForNull Object obj) {
      if (obj instanceof ContainsPatternPredicate) {
        ContainsPatternPredicate that = (ContainsPatternPredicate) obj;

        // Pattern uses Object (identity) equality, so we have to reach
        // inside to compare individual fields.
        return Objects.equal(pattern.pattern(), that.pattern.pattern())
            && pattern.flags() == that.pattern.flags();
      }

    }
  }

  /** Returns a serializable converter that always converts or reverses an object to itself. */
  @SuppressWarnings("unchecked") // implementation is "fully variant"
  public static <T> Converter<T, T> identity() {
    return (IdentityConverter<T>) IdentityConverter.INSTANCE;
  }

  /**
   * A converter that always converts or reverses an object to itself. Note that T is now a
   * "pass-through type".
   */

                      table.put(cell.getRowKey(), cell.getColumnKey(), cell.getValue());
                    }
                    return Tables.transformValues(table, Functions.<Character>identity()).cellSet();
                  }
                })
            .named("TransformValues.cellSet")
            .withFeatures(
                CollectionSize.ANY,

    @Override
    public int hashCode() {
      return identity().hashCode();
    }

    @Override
    public boolean equals(@Nullable Object obj) {
      if (obj instanceof DummyHandler) {
        DummyHandler that = (DummyHandler) obj;
        return identity().equals(that.identity());
      } else {
        return false;
      }
    }

    private DummyProxy identity() {
      return DummyProxy.this;
    }

    @Override
    public int hashCode() {
      return identity().hashCode();
    }

    @Override
    public boolean equals(@Nullable Object obj) {
      if (obj instanceof DummyHandler) {
        DummyHandler that = (DummyHandler) obj;
        return identity().equals(that.identity());
      } else {
        return false;
      }
    }

    private DummyProxy identity() {
      return DummyProxy.this;
    }

    private Object readResolve() {
      return INSTANCE;
    }

    private static final long serialVersionUID = 1;
  }

  static final class Identity extends Equivalence<Object> implements Serializable {

    static final Identity INSTANCE = new Identity();

    @Override
    protected boolean doEquivalent(Object a, Object b) {
      return false;
    }

    @Override

    private Object readResolve() {
      return INSTANCE;
    }

    private static final long serialVersionUID = 1;
  }

  static final class Identity extends Equivalence<Object> implements Serializable {

    static final Identity INSTANCE = new Identity();

    @Override
    protected boolean doEquivalent(Object a, Object b) {
      return false;
    }

    @Override