}

  @Override
  public HashCode hashInt(int input) {
    return newHasher(4).putInt(input).hash();
  }

  @Override
  public HashCode hashLong(long input) {
    return newHasher(8).putLong(input).hash();
  }

  @Override
  public HashCode hashBytes(byte[] input) {
    return hashBytes(input, 0, input.length);
  }

  @Override
  public HashCode hashBytes(byte[] input, int off, int len) {

    other is Challenge &&
      other.scheme == scheme &&
      other.authParams == authParams

  override fun hashCode(): Int {
    var result = 29
    result = 31 * result + scheme.hashCode()
    result = 31 * result + authParams.hashCode()
    return result
  }

  override fun toString(): String = "$scheme authParams=$authParams"

    sink.putByte((byte) 7);
    sink.putBytes(new byte[] {});
    sink.putBytes(new byte[] {8});
    HashCode unused = sink.hash();
    sink.assertInvariants(8);
    sink.assertBytes(expected);
  }

  public void testShort() {
    Sink sink = new Sink(4);
    sink.putShort((short) 0x0201);
    HashCode unused = sink.hash();
    sink.assertInvariants(2);
    sink.assertBytes(new byte[] {1, 2, 0, 0}); // padded with zeros

    int expectedHashCode = 0;
    for (E element : getSampleElements()) {
      expectedHashCode += (element == null) ? 0 : element.hashCode();
    }
    assertEquals(
        "A Set's hashCode() should be the sum of those of its elements.",
        expectedHashCode,
        getSet().hashCode());
  }

  @CollectionSize.Require(absent = CollectionSize.ZERO)
  @CollectionFeature.Require(ALLOWS_NULL_VALUES)

      assertErrorMessage(
          e,
          "the Object#hashCode ("
              + a.hashCode()
              + ") of "
              + a
              + " [group 1, item 1] must be equal to the Object#hashCode ("
              + b.hashCode()
              + ") of "
              + b);
      return;
    }
    fail("Should get invalid hashCode error");
  }

  public void testNullEqualityGroup() {

     */
    @Override
    boolean equals(@Nullable Object other);

    /**
     * The hash code equals the value {@code Arrays.asList(leftValue(), rightValue()).hashCode()}.
     */
    @Override
    int hashCode();
  }

        HandleGuid guid2 = new HandleGuid(uuid);
        HandleGuid guid3 = new HandleGuid();

        assertEquals(guid1, guid2);
        assertEquals(guid1.hashCode(), guid2.hashCode());
        assertNotEquals(guid1, guid3);
        assertNotEquals(guid1.hashCode(), guid3.hashCode());

        assertNotEquals(guid1, null);
        assertNotEquals(guid1, "not a guid");
    }

    @Test
    public void testHandleGuidToString() {

      equalsNonHost(other)

  override fun hashCode(): Int {
    var result = 17
    result = 31 * result + url.hashCode()
    result = 31 * result + dns.hashCode()
    result = 31 * result + proxyAuthenticator.hashCode()
    result = 31 * result + protocols.hashCode()
    result = 31 * result + connectionSpecs.hashCode()
    result = 31 * result + proxySelector.hashCode()
    result = 31 * result + Objects.hashCode(proxy)

    int hashCode = 0;

    for (int i = 0; i < n; i++) {
      // requireNonNull is safe because the first `n` elements have been filled in.
      Entry<K, V> entry = requireNonNull(entryArray[i]);
      K key = entry.getKey();
      V value = entry.getValue();
      checkEntryNotNull(key, value);
      int keyHash = key.hashCode();
      int valueHash = value.hashCode();

  }

  public void testHashCode() {
    assertEquals(control("foo", 1).hashCode(), entry("foo", 1).hashCode());
    assertEquals(control("bar", 2).hashCode(), entry("bar", 2).hashCode());
  }

  public void testHashCodeNull() {
    assertEquals(control(NE, 1).hashCode(), entry(NE, 1).hashCode());
  }

  public void testNegativeCount() {