Foo a = new Foo(1);
    Foo b = new Foo(1);
    assertThat(min(a, b, reverse)).isSameInstanceAs(a);
    assertThat(max(a, b, reverse)).isSameInstanceAs(a);
  }

  private static class Foo implements Comparable<Foo> {
    final Integer value;

    Foo(int value) {
      this.value = value;
    }

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

    @Override

   * method from an ancestor class.
   *
   * <p>See JLS 8.4.2 for the definition of the related "override-equivalent."
   */
  private static final class MethodSignature implements Comparable<MethodSignature> {
    final String name;
    final List<Class<?>> parameterTypes;
    final TypeSignature typeSignature;

    MethodSignature(Method method) {
      name = method.getName();

    assertMapEquals(copy, "two", 2, "three", 3, "one", 1);
    assertSame(copy, ImmutableSortedMap.copyOfSorted(copy));
    assertSame(comparator, copy.comparator());
  }

  private static class IntegerDiv10 implements Comparable<IntegerDiv10> {
    final int value;

    IntegerDiv10(int value) {
      this.value = value;
    }

    @Override
    public int compareTo(IntegerDiv10 o) {
      return value / 10 - o.value / 10;

 * primitive utilities</a>.
 *
 * @author Louis Wasserman
 * @since 11.0
 */
@GwtCompatible
public final class UnsignedInteger extends Number implements Comparable<UnsignedInteger> {
  public static final UnsignedInteger ZERO = fromIntBits(0);
  public static final UnsignedInteger ONE = fromIntBits(1);
  public static final UnsignedInteger MAX_VALUE = fromIntBits(-1);

 * primitive utilities</a>.
 *
 * @author Louis Wasserman
 * @author Colin Evans
 * @since 11.0
 */
@GwtCompatible
public final class UnsignedLong extends Number implements Comparable<UnsignedLong> {

  private static final long UNSIGNED_MASK = 0x7fffffffffffffffL;

  public static final UnsignedLong ZERO = new UnsignedLong(0);
  public static final UnsignedLong ONE = new UnsignedLong(1);

 * @since 14.0
 */
@SuppressWarnings("rawtypes") // https://github.com/google/guava/issues/989
@DoNotMock("Use ImmutableRangeSet or TreeRangeSet")
@GwtIncompatible
public interface RangeSet<C extends Comparable> {

  // Query methods

  /** Determines whether any of this range set's member ranges contains {@code value}. */
  boolean contains(C value);

  /**

   */
  @SuppressWarnings({
    "rawtypes", // https://github.com/google/guava/issues/989
    "NonApiType", // acts as a direct substitute for a constructor call
  })
  public static <E extends Comparable> TreeSet<E> newTreeSet() {
    return new TreeSet<>();
  }

  /**
   * Creates a <i>mutable</i> {@code TreeSet} instance containing the given elements sorted by their
   * natural ordering.
   *

        Locale.class,
        Currency.class,
        List.class,
        Entry.class,
        Object.class,
        Equivalence.class,
        Predicate.class,
        Function.class,
        Comparable.class,
        Comparator.class,
        Ordering.class,
        Class.class,
        Type.class,
        TypeToken.class,
        TimeUnit.class,
        Ticker.class,
        Joiner.class,

            .expectedValuesPerKey(1);
    builder.put("key", "value");
    assertThat(builder.build().entries()).containsExactly(Maps.immutableEntry("key", "value"));
  }

  static class HashHostileComparable implements Comparable<HashHostileComparable> {
    final String string;

    public HashHostileComparable(String string) {
      this.string = string;
    }

    @Override
    public int hashCode() {

            .expectedValuesPerKey(1);
    builder.put("key", "value");
    assertThat(builder.build().entries()).containsExactly(Maps.immutableEntry("key", "value"));
  }

  static class HashHostileComparable implements Comparable<HashHostileComparable> {
    final String string;

    public HashHostileComparable(String string) {
      this.string = string;
    }

    @Override
    public int hashCode() {