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) {
    return new RegularImmutableMap<>(entries);
  }

  public static <K, V> Builder<K, V> builder() {
    return new Builder<K, V>();
  }