.inOrder();
    // backward map ordered by country (even for currency values)
    assertThat(bimap.inverse().values()).containsExactly(Currency.PESO, Currency.FRANC).inOrder();
  }

  public void testValuesIteratorRemove() {
    // The enum orderings are alphabetical, leading to the bimap and its inverse
    // having inconsistent iteration orderings.
    Map<Currency, Country> map =
        ImmutableMap.of(