sort(entries, Helpers.<K, V>entryComparator(navigableMap.comparator()));
    for (int i = 0; i < entries.size(); i++) {
      assertEqualInOrder(
          entries.subList(0, i), navigableMap.headMap(entries.get(i).getKey()).entrySet());
    }
  }

  public void testTailMap() {
    List<Entry<K, V>> entries =
        copyToList(
            getSubjectGenerator()

    for (Entry<R, Map<C, V>> row : rows.entrySet()) {
      rowBuilder.put(row.getKey(), ImmutableMap.copyOf(row.getValue()));
    }
    this.rowMap = rowBuilder.buildOrThrow();

    ImmutableMap.Builder<C, ImmutableMap<R, V>> columnBuilder =
        new ImmutableMap.Builder<>(columns.size());
    for (Entry<C, Map<R, V>> col : columns.entrySet()) {

   */
  static <E extends @Nullable Object> void writeMultiset(
      Multiset<E> multiset, ObjectOutputStream stream) throws IOException {
    int entryCount = multiset.entrySet().size();
    stream.writeInt(entryCount);
    for (Multiset.Entry<E> entry : multiset.entrySet()) {
      stream.writeObject(entry.getElement());
      stream.writeInt(entry.getCount());
    }
  }

  /**

  }

  @Override
  public Set<Entry<K, V>> entries() {
    return (Set<Entry<K, V>>) super.entries();
  }

  @Override
  Set<Entry<K, V>> createEntries() {
    return new EntrySet();
  }

  private final class EntrySet extends Entries implements Set<Entry<K, V>> {
    @Override
    public int hashCode() {
      return Sets.hashCodeImpl(this);
    }

    @Override

      }
    }
  }

  @LazyInit private transient Set<Entry<K, V>> entrySet;

  @Override
  public Set<Entry<K, V>> entrySet() {
    Set<Entry<K, V>> result = entrySet;
    return (result == null) ? entrySet = new EntrySet() : result;
  }

  final class EntrySet extends View<K, V, Entry<K, V>> {
    EntrySet() {
      super(HashBiMap.this);
    }

    @Override

    for (LoadingCache<Object, Object> cache : caches()) {
      Set<Entry<Object, Object>> entries = cache.asMap().entrySet();
      List<Entry<Object, Object>> warmed = warmUp(cache, WARMUP_MIN, WARMUP_MAX);

      Set<?> expected = new HashMap<>(cache.asMap()).entrySet();
      assertThat(entries).containsExactlyElementsIn(expected);
      assertThat(entries.toArray()).asList().containsExactlyElementsIn(expected);

    try {
      map = makePopulatedMap();
    } catch (UnsupportedOperationException e) {
      return;
    }
    if (map.size() < 2 || !supportsPut) {
      return;
    }
    Iterator<Entry<K, V>> iterator = map.entrySet().iterator();
    Entry<K, V> firstEntry = iterator.next();
    Entry<K, V> secondEntry = iterator.next();
    K key = secondEntry.getKey();
    SortedMap<K, V> subMap = map.tailMap(key);

    try {
      map = makePopulatedMap();
    } catch (UnsupportedOperationException e) {
      return;
    }
    if (map.size() < 2 || !supportsPut) {
      return;
    }
    Iterator<Entry<K, V>> iterator = map.entrySet().iterator();
    Entry<K, V> firstEntry = iterator.next();
    Entry<K, V> secondEntry = iterator.next();
    K key = secondEntry.getKey();
    SortedMap<K, V> subMap = map.tailMap(key);

  /**
   * Returns an immutable set of the mappings in this map. The iteration order is specified by the
   * method used to create this map. Typically, this is insertion order.
   */
  @Override
  public ImmutableSet<Entry<K, V>> entrySet() {
    ImmutableSet<Entry<K, V>> result = entrySet;
    return (result == null) ? entrySet = createEntrySet() : result;
  }

  }

  @Override
  public Set<Entry<K, V>> entries() {
    return (Set<Entry<K, V>>) super.entries();
  }

  @Override
  Set<Entry<K, V>> createEntries() {
    return new EntrySet();
  }

  private final class EntrySet extends Entries implements Set<Entry<K, V>> {
    @Override
    public int hashCode() {
      return Sets.hashCodeImpl(this);
    }

    @Override