*/
@GwtCompatible
public final class LinkedHashMultimap<K extends @Nullable Object, V extends @Nullable Object>
    extends AbstractSetMultimap<K, V> {

  /** Creates a new, empty {@code LinkedHashMultimap} with the default initial capacities. */
  public static <K extends @Nullable Object, V extends @Nullable Object>
      LinkedHashMultimap<K, V> create() {
    return new LinkedHashMultimap<>(DEFAULT_KEY_CAPACITY, DEFAULT_VALUE_SET_CAPACITY);

  /**
   * Creates the collection of values for an explicitly provided key. By default, it simply calls
   * {@link #createCollection()}, which is the correct behavior for most implementations. The {@link
   * LinkedHashMultimap} class overrides it.
   *
   * @param key key to associate with values in the collection
   * @return an empty collection of values
   */
  Collection<V> createCollection(@ParametricNullness K key) {

      }
    },
    LinkedHashMultimapImpl {
      @Override
      <K extends Comparable<K>, V extends Comparable<V>> SetMultimap<K, V> create(
          Multimap<K, V> contents) {
        return LinkedHashMultimap.create(contents);
      }
    },
    TreeMultimapImpl {
      @Override
      <K extends Comparable<K>, V extends Comparable<V>> SetMultimap<K, V> create(
          Multimap<K, V> contents) {

 * multimap.put(key2, bar);
 * multimap.put(key1, baz);
 * }
 *
 * ... the iteration order for {@link #keys()} is {@code [key1, key2, key1]}, and similarly for
 * {@link #entries()}. Unlike {@link LinkedHashMultimap}, the iteration order is kept consistent
 * between keys, entries and values. For example, calling:
 *
 * {@snippet :
 * multimap.remove(key1, foo);
 * }
 *

   * #synchronizedMultimap}.
   *
   * <p>Call this method only when the simpler methods {@link ArrayListMultimap#create()}, {@link
   * HashMultimap#create()}, {@link LinkedHashMultimap#create()}, {@link
   * LinkedListMultimap#create()}, {@link TreeMultimap#create()}, and {@link
   * TreeMultimap#create(Comparator, Comparator)} won't suffice.
   *

   * #synchronizedMultimap}.
   *
   * <p>Call this method only when the simpler methods {@link ArrayListMultimap#create()}, {@link
   * HashMultimap#create()}, {@link LinkedHashMultimap#create()}, {@link
   * LinkedListMultimap#create()}, {@link TreeMultimap#create()}, and {@link
   * TreeMultimap#create(Comparator, Comparator)} won't suffice.
   *