@SafeVarargs
  public static <K, V> ImmutableMap<K, V> ofEntries(Entry<? extends K, ? extends V>... entries) {
    return new RegularImmutableMap<>(entries);
  }

  /** ImmutableMap.ofEntries API that is friendly to use from JavaScript. */
  @JsMethod(name = "ofEntries")
  static <K, V> ImmutableMap<K, V> jsOfEntries(Entry<? extends K, ? extends V>... entries) {

  }

  public void testOfEntries() {
    assertMapEquals(ImmutableBiMap.ofEntries(entry("one", 1), entry("two", 2)), "one", 1, "two", 2);
  }

  public void testOfEntriesNull() {
    Entry<@Nullable Integer, Integer> nullKey = entry(null, 23);
    assertThrows(
        NullPointerException.class,
        () -> ImmutableBiMap.ofEntries((Entry<Integer, Integer>) nullKey));
    Entry<Integer, @Nullable Integer> nullValue =