// 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();

    }

    @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);
    }
  }