public class BaseComparable implements Comparable<BaseComparable>, Serializable {
  private final String s;

  public BaseComparable(String s) {
    this.s = s;
  }

  @Override
  public int hashCode() { // delegate to 's'
    return s.hashCode();
  }

  @Override
  public boolean equals(@Nullable Object other) {
    if (other == null) {
      return false;
    } else if (other instanceof BaseComparable) {

@GwtCompatible
@NullUnmarked
class Base implements Comparable<Base>, Serializable {
  private final String s;

  public Base(String s) {
    this.s = s;
  }

  @Override
  public int hashCode() { // delegate to 's'
    return s.hashCode();
  }

  @Override
  public boolean equals(@Nullable Object other) {
    if (other == null) {
      return false;
    } else if (other instanceof Base) {

      UnhashableObject that = (UnhashableObject) object;
      return this.value == that.value;
    }
    return false;
  }

  @Override
  public int hashCode() {
    throw new UnsupportedOperationException();
  }

  // needed because otherwise Object.toString() calls hashCode()
  @Override
  public String toString() {
    return "DontHashMe" + value;
  }

  @Override
  public int compareTo(UnhashableObject o) {

        final Method hashCodeMethod = ClassUtil.getMethod(getClass(), "hashCode");
        assertThat(MethodUtil.isEqualsMethod(hashCodeMethod), is(not(true)));
    }

    /**
     *
     */
    @Test
    public void testIsHashCodeMethod() {
        final Method hashCodeMethod = ClassUtil.getMethod(getClass(), "hashCode");
        assertThat(MethodUtil.isHashCodeMethod(hashCodeMethod), is(true));

      CompoundOrdering<?> that = (CompoundOrdering<?>) object;
      return Arrays.equals(this.comparators, that.comparators);
    }
    return false;
  }

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

  @Override
  public String toString() {
    return "Ordering.compound(" + Arrays.toString(comparators) + ")";
  }

    if (obj instanceof Present) {
      Present<?> other = (Present<?>) obj;
      return reference.equals(other.reference);
    }
    return false;
  }

  @Override
  public int hashCode() {
    return 0x598df91c + reference.hashCode();
  }

  @Override
  public String toString() {
    return "Optional.of(" + reference + ")";
  }

  @GwtIncompatible @J2ktIncompatible private static final long serialVersionUID = 0;

      RangeSet<?> other = (RangeSet<?>) obj;
      return this.asRanges().equals(other.asRanges());
    }
    return false;
  }

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

  @Override
  public final String toString() {
    return asRanges().toString();
  }

        }
        this.addr = addr;
    }

    /**
     * Return the IP address of this address as a 32 bit integer.
     */

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

    /**
     * Compare two addresses for equality. Two <code>UniAddress</code>s are equal
     * if they are both <code>UniAddress</code>' and refer to the same IP address.
     */

      ComparatorOrdering<?> that = (ComparatorOrdering<?>) object;
      return this.comparator.equals(that.comparator);
    }
    return false;
  }

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

  @Override
  public String toString() {
    return comparator.toString();
  }

  @GwtIncompatible @J2ktIncompatible private static final long serialVersionUID = 0;

      }
    }
  }

  override fun equals(other: Any?): Boolean =
    other === this ||
      (other is BasicTrustRootIndex && other.subjectToCaCerts == subjectToCaCerts)

  override fun hashCode(): Int = subjectToCaCerts.hashCode()