* interface.
   *
   * @since 14.0 (present with return type {@code SortedMap} since 2.0)
   */
  @Override
  public NavigableMap<K, Collection<V>> asMap() {
    return (NavigableMap<K, Collection<V>>) super.asMap();
  }

  /**
   * @serialData key comparator, value comparator, number of distinct keys, and then for each
   *     distinct key: the key, number of values for that key, and key values

                      checkNotNull(entry.getValue());
                      set.add((String) checkNotNull(entry.getKey()));
                    }
                    return Maps.asMap(
                        set,
                        new Function<String, Integer>() {
                          @Override
                          public Integer apply(String input) {

    assertThat(loader.getLoadCount()).isEqualTo(expectedLoads);
    assertThat(loader.getReloadCount()).isEqualTo(expectedReloads);

    // write to 1 to delay its refresh
    cache.asMap().put(1, -1);
    ticker.advance(1, MILLISECONDS);
    assertThat(cache.getUnchecked(0)).isEqualTo(1);
    assertThat(cache.getUnchecked(1)).isEqualTo(-1);
    assertThat(cache.getUnchecked(2)).isEqualTo(2);

    assertThat(loader.getLoadCount()).isEqualTo(expectedLoads);
    assertThat(loader.getReloadCount()).isEqualTo(expectedReloads);

    // write to 1 to delay its refresh
    cache.asMap().put(1, -1);
    ticker.advance(1, MILLISECONDS);
    assertThat(cache.getUnchecked(0)).isEqualTo(1);
    assertThat(cache.getUnchecked(1)).isEqualTo(-1);
    assertThat(cache.getUnchecked(2)).isEqualTo(2);

    Map<String, Integer> map = Maps.asMap(strings, LENGTH_FUNCTION);
    assertEquals(ImmutableMap.of("one", 3, "two", 3, "three", 5), map);
    assertEquals(Integer.valueOf(3), map.remove("two"));
    assertThat(strings).containsExactly("one", "three").inOrder();
  }

  public void testAsMapEmpty() {
    Set<String> strings = ImmutableSet.of();
    Map<String, Integer> map = Maps.asMap(strings, LENGTH_FUNCTION);

    } else {
      return SetTestSuiteBuilder.using(
              new MultimapAsMapGetGenerator<K, V>(parentBuilder.getSubjectGenerator()))
          .withFeatures(features)
          .named(parentBuilder.getName() + ".asMap[].get[key]")
          .suppressing(parentBuilder.getSuppressedTests())
          .createTestSuite();
    }
  }

  @Override
  TestSuite computeEntriesTestSuite(
      FeatureSpecificTestSuiteBuilder<

    for (Entry<K, V> entry : entries) {
      resetContainer();

      K key = entry.getKey();
      V value = entry.getValue();
      Collection<V> collection = multimap().asMap().get(key);
      assertNotNull(collection);
      Collection<V> expectedCollection = copyToList(collection);

      multimap().remove(key, value);
      expectedCollection.remove(value);

    for (Entry<K, V> entry : entries) {
      resetContainer();

      K key = entry.getKey();
      V value = entry.getValue();
      Collection<V> collection = multimap().asMap().get(key);
      assertNotNull(collection);
      Collection<V> expectedCollection = copyToList(collection);

      multimap().remove(key, value);
      expectedCollection.remove(value);

 * {@link #replaceValues} attempts to preserve iteration order as much as possible.
 *
 * <p>The collections returned by {@link #keySet()} and {@link #asMap()} iterate through the keys in
 * the order they were first added to the multimap. Similarly, {@link #get}, {@link #removeAll}, and
 * {@link #replaceValues} return collections that iterate through the values in the order they were

            .createTestSuite());
    suite.addTestSuite(ImmutableEnumMapTest.class);
    return suite;
  }

  public void testIteratesOnce() {
    Map<AnEnum, AnEnum> map =
        Maps.asMap(
            ImmutableSet.of(AnEnum.A),
            new Function<AnEnum, AnEnum>() {
              boolean used = false;

              @Override
              public AnEnum apply(AnEnum ae) {