public ComparisonChain compare(int left, int right) {
          return classify(Ints.compare(left, right));
        }

        @Override
        public ComparisonChain compare(long left, long right) {
          return classify(Longs.compare(left, right));
        }

        @Override
        public ComparisonChain compare(float left, float right) {
          return classify(Float.compare(left, right));
        }

   * instead (but note that it does not guarantee which tied minimum element is returned).
   *
   * @param a value to compare, returned if less than or equal to the rest.
   * @param b value to compare
   * @param c value to compare
   * @param rest values to compare
   * @throws ClassCastException if the parameters are not <i>mutually comparable</i> under this
   *     ordering.
   */
  @ParametricNullness

   * @param b second value to compare.
   * @throws ClassCastException if the parameters are not <i>mutually comparable</i> using the given
   *     comparator.
   * @since 30.0
   */
  @ParametricNullness
  public static <T extends @Nullable Object> T max(
      @ParametricNullness T a, @ParametricNullness T b, Comparator<T> comparator) {
    return (comparator.compare(a, b) >= 0) ? a : b;
  }

  /**
   * A specification for which index to return if the list contains at least one element that
   * compares as equal to the key.
   */
  enum KeyPresentBehavior {
    /**
     * Return the index of any list element that compares as equal to the key. No guarantees are
     * made as to which index is returned, if more than one element compares as equal to the key.
     */
    ANY_PRESENT {
      @Override

    return a ^ Long.MIN_VALUE;
  }

  /**
   * Compares the two specified {@code long} values, treating them as unsigned values between {@code
   * 0} and {@code 2^64 - 1} inclusive.
   *
   * <p><b>Java 8+ users:</b> use {@link Long#compareUnsigned(long, long)} instead.
   *
   * @param a the first unsigned {@code long} to compare
   * @param b the second unsigned {@code long} to compare

  public void testCompare() {
    // max value
    assertThat(UnsignedLongs.compare(0, 0xffffffffffffffffL)).isLessThan(0);
    assertThat(UnsignedLongs.compare(0xffffffffffffffffL, 0)).isGreaterThan(0);

    // both with high bit set
    assertThat(UnsignedLongs.compare(0xff1a618b7f65ea12L, 0xffffffffffffffffL)).isLessThan(0);
    assertThat(UnsignedLongs.compare(0xffffffffffffffffL, 0xff1a618b7f65ea12L)).isGreaterThan(0);

  }

  /**
   * Compares the two specified {@code byte} values, treating them as unsigned values between 0 and
   * 255 inclusive. For example, {@code (byte) -127} is considered greater than {@code (byte) 127}
   * because it is seen as having the value of positive {@code 129}.
   *
   * @param a the first {@code byte} to compare
   * @param b the second {@code byte} to compare

        assertTrue(
            comparator + ".compare(" + lesser + ", " + t + ")", comparator.compare(lesser, t) < 0);
      }

      assertEquals(comparator + ".compare(" + t + ", " + t + ")", 0, comparator.compare(t, t));

      for (int j = i + 1; j < valuesInExpectedOrder.size(); j++) {
        T greater = valuesInExpectedOrder.get(j);
        assertTrue(
            comparator + ".compare(" + greater + ", " + t + ")",

        assertTrue(
            comparator + ".compare(" + lesser + ", " + t + ")", comparator.compare(lesser, t) < 0);
      }

      assertEquals(comparator + ".compare(" + t + ", " + t + ")", 0, comparator.compare(t, t));

      for (int j = i + 1; j < valuesInExpectedOrder.size(); j++) {
        T greater = valuesInExpectedOrder.get(j);
        assertTrue(
            comparator + ".compare(" + greater + ", " + t + ")",

     */
    if (hasLowerBound) {
      int unused =
          comparator.compare(
              uncheckedCastNullableTToT(lowerEndpoint), uncheckedCastNullableTToT(lowerEndpoint));
    }
    if (hasUpperBound) {
      int unused =
          comparator.compare(
              uncheckedCastNullableTToT(upperEndpoint), uncheckedCastNullableTToT(upperEndpoint));
    }