// prepare extreme values to be filtered out of view
      K firstExclusive = getInnerGenerator().belowSamplesGreater().getKey();
      K lastExclusive = getInnerGenerator().aboveSamplesLesser().getKey();
      if (from != Bound.NO_BOUND) {
        extremeValues.add(getInnerGenerator().belowSamplesLesser());
        extremeValues.add(getInnerGenerator().belowSamplesGreater());
      }
      if (to != Bound.NO_BOUND) {

          .createValueArray(length);
    }

    @Override
    public SampleElements<K> sampleKeys() {
      return ((TestMultimapGenerator<K, V, M>) multimapGenerator.getInnerGenerator()).sampleKeys();
    }

    @Override
    public SampleElements<V> sampleValues() {
      return ((TestMultimapGenerator<K, V, M>) multimapGenerator.getInnerGenerator())
          .sampleValues();

      V[] vs =
          ((TestBiMapGenerator<K, V>) mapGenerator.getInnerGenerator()).createValueArray(length);
      return vs;
    }

    @Override
    public Iterable<V> order(List<V> insertionOrder) {
      return insertionOrder;
    }

    @Override
    public TestSubjectGenerator<?> getInnerGenerator() {
      return mapGenerator;
    }
  }

      V[] vs =
          ((TestBiMapGenerator<K, V>) mapGenerator.getInnerGenerator()).createValueArray(length);
      return vs;
    }

    @Override
    public Iterable<V> order(List<V> insertionOrder) {
      return insertionOrder;
    }

    @Override
    public TestSubjectGenerator<?> getInnerGenerator() {
      return mapGenerator;
    }
  }

    return ((TestMultimapGenerator<K, V, ? extends Multimap<K, V>>)
            getSubjectGenerator().getInnerGenerator())
        .sampleKeys();
  }

  protected SampleElements<V> sampleValues() {
    return ((TestMultimapGenerator<K, V, ? extends Multimap<K, V>>)
            getSubjectGenerator().getInnerGenerator())
        .sampleValues();
  }

  @Override
  protected Collection<Entry<K, V>> actualContents() {

    this.generator = generator;
    this.collectionSize = collectionSize;
  }

  @Override
  public TestContainerGenerator<T, E> getInnerGenerator() {
    return generator;
  }

  @Override
  public SampleElements<E> samples() {
    return generator.samples();
  }

  @Override
  public T create(Object... elements) {

    this.generator = generator;
    this.collectionSize = collectionSize;
  }

  @Override
  public TestContainerGenerator<T, E> getInnerGenerator() {
    return generator;
  }

  @Override
  public SampleElements<E> samples() {
    return generator.samples();
  }

  @Override
  public T create(Object... elements) {

    }

    @Override
    public K[] createKeyArray(int length) {
      return ((TestMapGenerator<K, V>) mapGenerator.getInnerGenerator()).createKeyArray(length);
    }

    @Override
    public V[] createValueArray(int length) {
      return ((TestMapGenerator<K, V>) mapGenerator.getInnerGenerator()).createValueArray(length);
    }
  }

          parentBuilder,
      Bound from,
      Bound to) {
    TestSortedMapGenerator<K, V> delegate =
        (TestSortedMapGenerator<K, V>) parentBuilder.getSubjectGenerator().getInnerGenerator();

    List<Feature<?>> features = new ArrayList<>();
    features.add(NoRecurse.SUBMAP);
    features.addAll(parentBuilder.getFeatures());

    return newBuilderUsing(delegate, to, from)

          parentBuilder,
      Bound from,
      Bound to) {
    TestSortedMapGenerator<K, V> delegate =
        (TestSortedMapGenerator<K, V>) parentBuilder.getSubjectGenerator().getInnerGenerator();

    List<Feature<?>> features = new ArrayList<>();
    features.add(NoRecurse.SUBMAP);
    features.addAll(parentBuilder.getFeatures());

    return newBuilderUsing(delegate, to, from)