/**
 * Creates multimaps, containing sample elements, to be tested.
 *
 * @author Louis Wasserman
 */
@GwtCompatible
@ElementTypesAreNonnullByDefault
public interface TestMultimapGenerator<
        K extends @Nullable Object, V extends @Nullable Object, M extends Multimap<K, V>>
    extends TestContainerGenerator<M, Entry<K, V>> {

  K[] createKeyArray(int length);

/**
 * Creates multimaps, containing sample elements, to be tested.
 *
 * @author Louis Wasserman
 */
@GwtCompatible
@ElementTypesAreNonnullByDefault
public interface TestMultimapGenerator<
        K extends @Nullable Object, V extends @Nullable Object, M extends Multimap<K, V>>
    extends TestContainerGenerator<M, Entry<K, V>> {

  K[] createKeyArray(int length);

      return ((TestMultimapGenerator<K, V, M>) multimapGenerator.getInnerGenerator())
          .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())
          .createValueArray(length);
    }

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

    @Override
    public SampleElements<V> sampleValues() {

  }

  protected SampleElements<K> sampleKeys() {
    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();

/**
 * A generator for {@code SetMultimap} implementations based on test data.
 *
 * @author Louis Wasserman
 */
@GwtCompatible
public interface TestSetMultimapGenerator<K, V>

 *
 * @author Louis Wasserman
 */
@GwtCompatible
@ElementTypesAreNonnullByDefault
public interface TestListMultimapGenerator<K extends @Nullable Object, V extends @Nullable Object>

 *
 * @author Louis Wasserman
 */
@GwtCompatible
@ElementTypesAreNonnullByDefault
public interface TestListMultimapGenerator<K extends @Nullable Object, V extends @Nullable Object>

  }

  protected SampleElements<K> sampleKeys() {
    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();

/**
 * A generator for {@code SetMultimap} implementations based on test data.
 *
 * @author Louis Wasserman
 */
@GwtCompatible
public interface TestSetMultimapGenerator<K, V>