*
   * @since 16.0
   */
  public static <A, B> Converter<A, B> asConverter(BiMap<A, B> bimap) {
    return new BiMapConverter<>(bimap);
  }

  private static final class BiMapConverter<A, B> extends Converter<A, B> implements Serializable {
    private final BiMap<A, B> bimap;

    BiMapConverter(BiMap<A, B> bimap) {
      this.bimap = checkNotNull(bimap);
    }

    @Override

   *
   * @since 16.0
   */
  public static <A, B> Converter<A, B> asConverter(BiMap<A, B> bimap) {
    return new BiMapConverter<>(bimap);
  }

  private static final class BiMapConverter<A, B> extends Converter<A, B> implements Serializable {
    private final BiMap<A, B> bimap;

    BiMapConverter(BiMap<A, B> bimap) {
      this.bimap = checkNotNull(bimap);
    }

    @Override