assertionFailedError.initCause(cause);
    throw assertionFailedError;
  }

  private static class EntryComparator<K extends @Nullable Object, V extends @Nullable Object>
      implements Comparator<Entry<K, V>> {
    final @Nullable Comparator<? super K> keyComparator;

    public EntryComparator(@Nullable Comparator<? super K> keyComparator) {
      this.keyComparator = keyComparator;
    }

    @Override

    final K lastInclusive;
    private final Comparator<Entry<K, V>> entryComparator;

    public SortedMapSubmapTestMapGenerator(
        TestSortedMapGenerator<K, V> delegate, Bound to, Bound from) {
      super(delegate);
      this.to = to;
      this.from = from;

      SortedMap<K, V> emptyMap = delegate.create();
      this.entryComparator = Helpers.entryComparator(emptyMap.comparator());

    final K lastInclusive;
    private final Comparator<Entry<K, V>> entryComparator;

    public SortedMapSubmapTestMapGenerator(
        TestSortedMapGenerator<K, V> delegate, Bound to, Bound from) {
      super(delegate);
      this.to = to;
      this.from = from;

      SortedMap<K, V> emptyMap = delegate.create();
      this.entryComparator = Helpers.entryComparator(emptyMap.comparator());

    assertionFailedError.initCause(cause);
    throw assertionFailedError;
  }

  private static class EntryComparator<K extends @Nullable Object, V extends @Nullable Object>
      implements Comparator<Entry<K, V>> {
    final @Nullable Comparator<? super K> keyComparator;

    public EntryComparator(@Nullable Comparator<? super K> keyComparator) {
      this.keyComparator = keyComparator;
    }

    @Override