for (MultimapBuilderWithKeys<?> builderWithKeys :
        ImmutableList.of(
            MultimapBuilder.hashKeys(),
            MultimapBuilder.linkedHashKeys(),
            MultimapBuilder.treeKeys(),
            MultimapBuilder.enumKeys(RoundingMode.class))) {
      for (MultimapBuilder<?, ?> builder :
          ImmutableList.of(
              builderWithKeys.arrayListValues(),

  @VisibleForTesting transient int expectedValuesPerKey;

  /**
   * Creates a new, empty {@code ArrayListMultimap} with the default initial capacities.
   *
   * <p>You may also consider the equivalent {@code
   * MultimapBuilder.hashKeys().arrayListValues().build()}, which provides more control over the
   * underlying data structure.
   */
  public static <K extends @Nullable Object, V extends @Nullable Object>

   * for a given key in sorted order, but it need not expose the <i>keys</i> in sorted order.
   * Individual {@code SortedSetMultimap} implementations, like those built with {@link
   * MultimapBuilder#treeKeys()}, may make additional guarantees.
   */
  @Override
  Map<K, Collection<V>> asMap();

  /**
   * Returns the comparator that orders the multimap values, with {@code null} indicating that