return string.length();
    }
  }

  private static final Ordering<Integer> DECREASING_INTEGER = Ordering.<Integer>natural().reverse();

  public void testOnResultOf_natural() {
    Comparator<String> comparator =
        Ordering.<Integer>natural().onResultOf(StringLengthFunction.StringLength);
    assertTrue(comparator.compare("to", "be") == 0);
    assertTrue(comparator.compare("or", "not") < 0);

        // so add central to the computed settings for backward compatibility.
        if (effective.getRepositories().isEmpty()
                && effective.getPluginRepositories().isEmpty()) {
            Repository central = Repository.newBuilder()
                    .id("central")
                    .name("Central Repository")
                    .url("https://repo.maven.apache.org/maven2")

            .allowsSelfLoops(true)
            .nodeOrder(ElementOrder.<String>natural())
            .immutable()
            .build();

    assertThat(emptyGraph.isDirected()).isTrue();
    assertThat(emptyGraph.allowsSelfLoops()).isTrue();
    assertThat(emptyGraph.nodeOrder()).isEqualTo(ElementOrder.<String>natural());
  }

  /**

    int tmp = 0;
    for (int i = 0; i < reps; i++) {
      Integer[] copy = inputArrays[i & 0xFF].clone();
      Arrays.sort(copy, Ordering.natural());
      tmp += copy[0];
    }
    return tmp;
  }

  private static final Comparator<Integer> NATURAL_INTEGER =
      new Comparator<Integer>() {
        @Override
        public int compare(Integer o1, Integer o2) {
          return o1.compareTo(o2);
        }

    throw new UnsupportedOperationException();
  }

  private static final Comparator<?> NATURAL_ORDER = Ordering.natural();

  @SuppressWarnings("unchecked")
  private static final ImmutableSortedSet<Object> NATURAL_EMPTY_SET =
      new RegularImmutableSortedSet<Object>(
          new TreeSet<Object>((Comparator<Object>) NATURAL_ORDER), false);

  static <E> ImmutableSortedSet<E> emptySet(Comparator<? super E> comparator) {

  }

  static <E> RegularImmutableSortedSet<E> emptySet(Comparator<? super E> comparator) {
    if (Ordering.natural().equals(comparator)) {
      @SuppressWarnings("unchecked") // The natural-ordered empty set supports all types.
      RegularImmutableSortedSet<E> result =
          (RegularImmutableSortedSet<E>) RegularImmutableSortedSet.NATURAL_EMPTY_SET;
      return result;
    } else {

  <groupId>maven-test</groupId>
  <artifactId>maven-test-a</artifactId>
  <packaging>jar</packaging>
  <version>1.0</version>
  <repositories>
    <repository>
      <id>central</id>
      <name>Fake Maven Central Repository</name>
      <url>file://dummy</url>
    </repository>
  </repositories>

  }

  public void testFromRangeAll() {
    assertEquals(GeneralRange.all(Ordering.natural()), GeneralRange.from(Range.all()));
  }

  public void testFromRangeOneEnd() {
    for (BoundType endpointType : BoundType.values()) {
      assertEquals(
          GeneralRange.upTo(Ordering.natural(), 3, endpointType),
          GeneralRange.from(Range.upTo(3, endpointType)));

      assertEquals(

    // Before JDK6 (including under GWT), the TreeMap keySet is a plain Set.
    if (Maps.newTreeMap().keySet() instanceof SortedSet) {
      assertTrue(SortedIterables.hasSameComparator(Ordering.natural(), Maps.newTreeMap().keySet()));
    }
    assertTrue(
        SortedIterables.hasSameComparator(

   */
  private static final Comparator<?> NATURAL_ORDER = Ordering.natural();

  private static final ImmutableSortedMap<Comparable<?>, Object> NATURAL_EMPTY_MAP =
      new ImmutableSortedMap<>(
          ImmutableSortedSet.emptySet(Ordering.natural()), ImmutableList.<Object>of());

  static <K, V> ImmutableSortedMap<K, V> emptyMap(Comparator<? super K> comparator) {
    if (Ordering.natural().equals(comparator)) {
      return of();