abstract static class TestTypeToInstanceMapGenerator
      implements TestMapGenerator<TypeToken, Object> {

    @Override
    public TypeToken<?>[] createKeyArray(int length) {
      return new TypeToken<?>[length];
    }

    @Override
    public Object[] createValueArray(int length) {
      return new Object[length];
    }

    @Override

    return suite;
  }

  abstract static class TransformedMultimapGenerator<M extends Multimap<String, String>>
      implements TestMultimapGenerator<String, String, M> {

    @Override
    public String[] createKeyArray(int length) {
      return new String[length];
    }

    @Override
    public String[] createValueArray(int length) {
      return new String[length];
    }

    @Override

    public Iterable<Entry<String, Collection<Integer>>> order(
        List<Entry<String, Collection<Integer>>> insertionOrder) {
      return insertionOrder;
    }

    @Override
    public String[] createKeyArray(int length) {
      return new String[length];
    }

    @Override
    @SuppressWarnings({"unchecked", "rawtypes"}) // needed for arrays
    public Collection<Integer>[] createValueArray(int length) {

    }

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

    @Override
    public Country[] createKeyArray(int length) {
      return new Country[length];
    }

    @Override
    public String[] createValueArray(int length) {
      return new String[length];
    }
  }

  @J2ktIncompatible

    return suite;
  }

  abstract static class TransformedMultimapGenerator<M extends Multimap<String, String>>
      implements TestMultimapGenerator<String, String, M> {

    @Override
    public String[] createKeyArray(int length) {
      return new String[length];
    }

    @Override
    public String[] createValueArray(int length) {
      return new String[length];
    }

    @Override

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

    @Override
    public Country[] createKeyArray(int length) {
      return new Country[length];
    }

    @Override
    public Currency[] createValueArray(int length) {
      return new Currency[length];
    }
  }

  @J2ktIncompatible

    suite.addTest(
        NavigableMapTestSuiteBuilder.using(
                new TestSortedMapGenerator<String, Collection<String>>() {

                  @Override
                  public String[] createKeyArray(int length) {
                    return new String[length];
                  }

                  @SuppressWarnings("unchecked")
                  @Override