immutableEntry(Four.class, new Impl(4)),
          immutableEntry(Five.class, new Impl(5)));
    }

    @Override
    @SuppressWarnings("unchecked")
    public Entry<Class<?>, Impl>[] createArray(int length) {
      return (Entry<Class<?>, Impl>[]) new Entry<?, ?>[length];
    }

    @Override
    public Iterable<Entry<Class<?>, Impl>> order(List<Entry<Class<?>, Impl>> insertionOrder) {

          immutableEntry(Country.JAPAN, "YEN"),
          immutableEntry(Country.SWITZERLAND, "FRANC"));
    }

    @SuppressWarnings("unchecked")
    @Override
    public Entry<Country, String>[] createArray(int length) {
      return (Entry<Country, String>[]) new Entry<?, ?>[length];
    }

    @Override
    public Iterable<Entry<Country, String>> order(List<Entry<Country, String>> insertionOrder) {

          immutableEntry(Country.JAPAN, "YEN"),
          immutableEntry(Country.SWITZERLAND, "FRANC"));
    }

    @SuppressWarnings("unchecked")
    @Override
    public Entry<Country, String>[] createArray(int length) {
      return (Entry<Country, String>[]) new Entry<?, ?>[length];
    }

    @Override
    public Iterable<Entry<Country, String>> order(List<Entry<Country, String>> insertionOrder) {

          mapEntry(Country.JAPAN, Currency.YEN),
          mapEntry(Country.SWITZERLAND, Currency.FRANC));
    }

    @SuppressWarnings("unchecked")
    @Override
    public Entry<Country, Currency>[] createArray(int length) {
      return (Entry<Country, Currency>[]) new Entry<?, ?>[length];
    }

    @Override
    public Iterable<Entry<Country, Currency>> order(List<Entry<Country, Currency>> insertionOrder) {

                  }

                  @SuppressWarnings("unchecked")
                  @Override
                  public Entry<String, Collection<String>>[] createArray(int length) {
                    return (Entry<String, Collection<String>>[]) new Entry<?, ?>[length];
                  }

                  @Override

                  }

                  @SuppressWarnings("unchecked")
                  @Override
                  public Entry<String, Collection<String>>[] createArray(int length) {
                    return (Entry<String, Collection<String>>[]) new Entry<?, ?>[length];
                  }

                  @Override