return "UnsignedBytes.lexicographicalComparator() (pure Java version)";
      }
    }

    /** Returns the best comparator supported by the current runtime. */
    static Comparator<byte[]> getBestComparator() {
      try {
        Class<? extends LexicographicalComparator> unsafeImpl =
            Class.forName(UNSAFE_COMPARATOR_NAME).asSubclass(LexicographicalComparator.class);

   *
   * <p><b>Java 9+ users:</b> Use {@link Arrays#compareUnsigned(int[], int[])
   * Arrays::compareUnsigned}.
   */
  public static Comparator<int[]> lexicographicalComparator() {
    return LexicographicalComparator.INSTANCE;
  }

  enum LexicographicalComparator implements Comparator<int[]> {
    INSTANCE;

    @Override
    // A call to bare "min" or "max" would resolve to our varargs method, not to any static import.

   *
   * <p><b>Java 9+ users:</b> Use {@link Arrays#compareUnsigned(long[], long[])
   * Arrays::compareUnsigned}.
   */
  public static Comparator<long[]> lexicographicalComparator() {
    return LexicographicalComparator.INSTANCE;
  }

  enum LexicographicalComparator implements Comparator<long[]> {
    INSTANCE;

    @Override
    public int compare(long[] left, long[] right) {

   * float[])}.
   *
   * @since 2.0
   */
  public static Comparator<float[]> lexicographicalComparator() {
    return LexicographicalComparator.INSTANCE;
  }

  private enum LexicographicalComparator implements Comparator<float[]> {
    INSTANCE;

    @Override
    public int compare(float[] left, float[] right) {

   * double[])}.
   *
   * @since 2.0
   */
  public static Comparator<double[]> lexicographicalComparator() {
    return LexicographicalComparator.INSTANCE;
  }

  private enum LexicographicalComparator implements Comparator<double[]> {
    INSTANCE;

    @Override
    public int compare(double[] left, double[] right) {

   *
   * @since 2.0
   */
  public static Comparator<int[]> lexicographicalComparator() {
    return LexicographicalComparator.INSTANCE;
  }

  private enum LexicographicalComparator implements Comparator<int[]> {
    INSTANCE;

    @Override

  }

  public void testLexicographicalComparatorChoice() {
    Comparator<byte[]> defaultComparator = UnsignedBytes.lexicographicalComparator();
    assertThat(defaultComparator).isNotNull();
    assertThat(UnsignedBytes.lexicographicalComparator()).isSameInstanceAs(defaultComparator);
    if (!isJava8()) {
      assertThat(defaultComparator).isInstanceOf(ArraysCompareUnsignedComparator.class);

  }

  public void testLexicographicalComparatorChoice() {
    Comparator<byte[]> defaultComparator = UnsignedBytes.lexicographicalComparator();
    assertThat(defaultComparator).isNotNull();
    assertThat(UnsignedBytes.lexicographicalComparator()).isSameInstanceAs(defaultComparator);
    if (unsafeComparatorAvailable()) {
      assertThat(defaultComparator).isInstanceOf(UnsafeComparator.class);

    Comparator<char[]> comparator = Chars.lexicographicalComparator();
    Helpers.testComparator(comparator, ordered);
  }

  @J2ktIncompatible
  @GwtIncompatible // SerializableTester
  public void testLexicographicalComparatorSerializable() {
    Comparator<char[]> comparator = Chars.lexicographicalComparator();

    Comparator<char[]> comparator = Chars.lexicographicalComparator();
    Helpers.testComparator(comparator, ordered);
  }

  @J2ktIncompatible
  @GwtIncompatible // SerializableTester
  public void testLexicographicalComparatorSerializable() {
    Comparator<char[]> comparator = Chars.lexicographicalComparator();