/** Creates a new, empty {@code LinkedHashMultiset} using the default initial capacity. */
  public static <E extends @Nullable Object> LinkedHashMultiset<E> create() {
    return create(ObjectCountHashMap.DEFAULT_SIZE);
  }

  /**
   * Creates a new, empty {@code LinkedHashMultiset} with the specified expected number of distinct
   * elements.
   *

  static final RegularImmutableMultiset<Object> EMPTY =
      new RegularImmutableMultiset<>(ObjectCountHashMap.create());

  final transient ObjectCountHashMap<E> contents;
  private final transient int size;

  @LazyInit private transient @Nullable ImmutableSet<E> elementSet;

  RegularImmutableMultiset(ObjectCountHashMap<E> contents) {
    this.contents = contents;
    long size = 0;

    implements Serializable {

  transient ObjectCountHashMap<E> backingMap;
  transient long size;

  AbstractMapBasedMultiset(int distinctElements) {
    backingMap = newBackingMap(distinctElements);
  }

  abstract ObjectCountHashMap<E> newBackingMap(int distinctElements);

  @Override
  public final int count(@Nullable Object element) {