@SuppressWarnings("unchecked")
    @Override
    public K[] createKeyArray(int length) {
      return (K[]) new Object[length];
    }

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

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

    @SuppressWarnings("unchecked")
    @Override
    public K[] createKeyArray(int length) {
      return (K[]) new Object[length];
    }

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

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

          .createKeyArray(length);
    }

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

    @Override
    public SampleElements<K> sampleKeys() {

@ElementTypesAreNonnullByDefault
public interface TestMapGenerator<K extends @Nullable Object, V extends @Nullable Object>
    extends TestContainerGenerator<Map<K, V>, Map.Entry<K, V>> {
  K[] createKeyArray(int length);

  V[] createValueArray(int length);

    }

    @Override
    public K[] createKeyArray(int length) {
      return delegate.createKeyArray(length);
    }

    @Override
    public V[] createValueArray(int length) {
      return delegate.createValueArray(length);
    }

    @Override
    public SampleElements<Entry<K, V>> samples() {
      return delegate.samples();
    }

    @Override

                  public Range<Integer>[] createKeyArray(int length) {
                    return (Range<Integer>[]) new Range<?>[length];
                  }

                  @Override
                  public String[] createValueArray(int length) {
                    return new String[length];
                  }
                })
            .named("TreeRangeMap.asMapOfRanges")
            .withFeatures(
                CollectionSize.ANY,

@ElementTypesAreNonnullByDefault
public interface TestMapGenerator<K extends @Nullable Object, V extends @Nullable Object>
    extends TestContainerGenerator<Map<K, V>, Map.Entry<K, V>> {
  K[] createKeyArray(int length);

  V[] createValueArray(int length);

@ElementTypesAreNonnullByDefault
public interface TestBiMapGenerator<K extends @Nullable Object, V extends @Nullable Object>
    extends TestContainerGenerator<BiMap<K, V>, Entry<K, V>> {
  K[] createKeyArray(int length);

  V[] createValueArray(int length);

        K extends @Nullable Object, V extends @Nullable Object, M extends Multimap<K, V>>
    extends TestContainerGenerator<M, Entry<K, V>> {

  K[] createKeyArray(int length);

  V[] createValueArray(int length);

  SampleElements<K> sampleKeys();

  SampleElements<V> sampleValues();

  Collection<V> createCollection(Iterable<? extends V> values);

        K extends @Nullable Object, V extends @Nullable Object, M extends Multimap<K, V>>
    extends TestContainerGenerator<M, Entry<K, V>> {

  K[] createKeyArray(int length);

  V[] createValueArray(int length);

  SampleElements<K> sampleKeys();

  SampleElements<V> sampleValues();

  Collection<V> createCollection(Iterable<? extends V> values);