return derivedSuites;
  }

  @Override
  protected SetTestSuiteBuilder<K> createDerivedKeySetSuite(TestSetGenerator<K> keySetGenerator) {
    return keySetGenerator instanceof TestSortedSetGenerator
        ? SortedSetTestSuiteBuilder.using((TestSortedSetGenerator<K>) keySetGenerator)
        : SetTestSuiteBuilder.using(keySetGenerator);
  }

  /**

 *
 * @author Jared Levy
 */
@GwtCompatible
@NullMarked
public abstract class TestStringSortedSetGenerator extends TestStringSetGenerator
    implements TestSortedSetGenerator<String> {

  @Override
  public SortedSet<String> create(Object... elements) {
    return (SortedSet<String>) super.create(elements);
  }

  @Override

    return derivedSuites;
  }

  @Override
  protected NavigableSetTestSuiteBuilder<K> createDerivedKeySetSuite(
      TestSetGenerator<K> keySetGenerator) {
    return NavigableSetTestSuiteBuilder.using((TestSortedSetGenerator<K>) keySetGenerator);
  }

  public static final class NavigableMapSubmapTestMapGenerator<K, V>
      extends SortedMapSubmapTestMapGenerator<K, V> {
    public NavigableMapSubmapTestMapGenerator(

    return derivedSuites;
  }

  @Override
  protected NavigableSetTestSuiteBuilder<K> createDerivedKeySetSuite(
      TestSetGenerator<K> keySetGenerator) {
    return NavigableSetTestSuiteBuilder.using((TestSortedSetGenerator<K>) keySetGenerator);
  }

  public static final class NavigableMapSubmapTestMapGenerator<K, V>
      extends SortedMapSubmapTestMapGenerator<K, V> {
    public NavigableMapSubmapTestMapGenerator(