*/
  private @Nullable Object generate(TypeToken<?> type) {
    Class<?> rawType = type.getRawType();
    List<Object> samples = sampleInstances.get(rawType);
    Object sample = pickInstance(samples, null);
    if (sample != null) {
      return sample;
    }
    if (rawType.isEnum()) {
      return pickInstance(rawType.getEnumConstants(), null);
    }
    if (type.isArray()) {

            ImmutableSet.of(1, 2),
            ImmutableSet.of(1, 2, 3, 4, 5, 6, 7, 8, 9, 10));
    for (Set<Integer> sampleSet : sampleSets) {
      for (int k = 0; k <= sampleSet.size(); k++) {
        final int size = k;
        Set<Set<Integer>> expected =
            Sets.filter(
                Sets.powerSet(sampleSet),
                new Predicate<Set<Integer>>() {

                  @Override

            ImmutableSet.of(1, 2),
            ImmutableSet.of(1, 2, 3, 4, 5, 6, 7, 8, 9, 10));
    for (Set<Integer> sampleSet : sampleSets) {
      for (int k = 0; k <= sampleSet.size(); k++) {
        final int size = k;
        Set<Set<Integer>> expected =
            Sets.filter(
                Sets.powerSet(sampleSet),
                new Predicate<Set<Integer>>() {

                  @Override

   */
  private @Nullable Object generate(TypeToken<?> type) {
    Class<?> rawType = type.getRawType();
    List<Object> samples = sampleInstances.get(rawType);
    Object sample = pickInstance(samples, null);
    if (sample != null) {
      return sample;
    }
    if (rawType.isEnum()) {
      return pickInstance(rawType.getEnumConstants(), null);
    }
    if (type.isArray()) {

                    return (Collection<String>[]) new Collection<?>[length];
                  }

                  @Override
                  public SampleElements<Entry<String, Collection<String>>> samples() {
                    return new SampleElements<>(
                        Helpers.mapEntry("a", (Collection<String>) ImmutableSortedSet.of("alex")),
                        Helpers.mapEntry(

                    return (Collection<String>[]) new Collection<?>[length];
                  }

                  @Override
                  public SampleElements<Entry<String, Collection<String>>> samples() {
                    return new SampleElements<>(
                        Helpers.mapEntry("a", (Collection<String>) ImmutableSortedSet.of("alex")),
                        Helpers.mapEntry(

  }

  /**
   * Returns a {@link Collection} of all the permutations of the specified {@link Iterable} using
   * the specified {@link Comparator} for establishing the lexicographical ordering.
   *
   * <p>Examples:
   *
   * <pre>{@code
   * for (List<String> perm : orderedPermutations(asList("b", "c", "a"))) {
   *   println(perm);
   * }
   * // -> ["a", "b", "c"]
   * // -> ["a", "c", "b"]

    assertEquals(ImmutableList.<Integer>of(), result);
  }

  public void testLeastOfIterable_simple_negativeOne() {
    try {
      numberOrdering.leastOf(Arrays.asList(3, 4, 5, -1), -1);
      fail();
    } catch (IllegalArgumentException expected) {
    }
  }

  public void testLeastOfIterator_simple_negativeOne() {
    try {
      numberOrdering.leastOf(Iterators.forArray(3, 4, 5, -1), -1);
      fail();

    assertEquals(ImmutableList.<Integer>of(), result);
  }

  public void testLeastOfIterable_simple_negativeOne() {
    try {
      numberOrdering.leastOf(Arrays.asList(3, 4, 5, -1), -1);
      fail();
    } catch (IllegalArgumentException expected) {
    }
  }

  public void testLeastOfIterator_simple_negativeOne() {
    try {
      numberOrdering.leastOf(Iterators.forArray(3, 4, 5, -1), -1);
      fail();

  }

  /**
   * Returns a {@link Collection} of all the permutations of the specified {@link Iterable} using
   * the specified {@link Comparator} for establishing the lexicographical ordering.
   *
   * <p>Examples:
   *
   * <pre>{@code
   * for (List<String> perm : orderedPermutations(asList("b", "c", "a"))) {
   *   println(perm);
   * }
   * // -> ["a", "b", "c"]
   * // -> ["a", "c", "b"]