() -> ImmutableBiMap.ofEntries((Entry<Integer, Integer>) nullValue));
  }

  private static <T extends @Nullable Object> Entry<T, T> entry(T key, T value) {
    return new AbstractMap.SimpleImmutableEntry<>(key, value);
  }

  public void testCopyOfEmptyMap() {
    ImmutableBiMap<String, Integer> copy =
        ImmutableBiMap.copyOf(Collections.<String, Integer>emptyMap());

   * UnsupportedOperationException}.
   */
  static <K, V> Entry<K, V> entryOf(K key, V value) {
    checkEntryNotNull(key, value);
    return new AbstractMap.SimpleImmutableEntry<>(key, value);
  }

  /**
   * Returns a new builder. The generated builder is equivalent to the builder created by the {@link
   * Builder} constructor.
   */

    }
    return map;
  }

  private static <T extends @Nullable Object> Entry<T, T> entry(T key, T value) {
    return new AbstractMap.SimpleImmutableEntry<>(key, value);
  }

  public void testCopyOfMutableEntryList() {
    List<Entry<String, String>> entryList =
        asList(new AbstractMap.SimpleEntry<>("a", "1"), new AbstractMap.SimpleEntry<>("b", "2"));

    }
    return map;
  }

  private static <T extends @Nullable Object> Entry<T, T> entry(T key, T value) {
    return new AbstractMap.SimpleImmutableEntry<>(key, value);
  }

  public void testCopyOfMutableEntryList() {
    List<Entry<String, String>> entryList =
        asList(new AbstractMap.SimpleEntry<>("a", "1"), new AbstractMap.SimpleEntry<>("b", "2"));

      ImmutableList<Entry<K, V>> createAsList() {
        return new ImmutableAsList<Entry<K, V>>() {
          @Override
          public Entry<K, V> get(int index) {
            return new AbstractMap.SimpleImmutableEntry<>(
                keySet.asList().get(index), valueList.get(index));
          }

          @Override
          public Spliterator<Entry<K, V>> spliterator() {
            return CollectSpliterators.indexed(

      ImmutableList<Entry<K, V>> createAsList() {
        return new ImmutableList<Entry<K, V>>() {
          @Override
          public Entry<K, V> get(int index) {
            return new AbstractMap.SimpleImmutableEntry<>(
                keySet.asList().get(index), valueList.get(index));
          }

          @Override
          boolean isPartialView() {
            return true;
          }