RangeMap<Integer, Integer> sub = rangeMap.subRangeMap(Range.closed(5, 11));
    assertEquals(
        ImmutableMap.of(Range.closedOpen(5, 7), 1, Range.closed(9, 10), 2), sub.asMapOfRanges());
    sub.put(Range.closed(7, 9), 4);
    assertEquals(
        ImmutableMap.of(
            Range.closedOpen(5, 7), 1, Range.closed(7, 9), 4, Range.openClosed(9, 10), 2),
        sub.asMapOfRanges());
    assertEquals(

    new ForwardingWrapperTester()
        .testForwarding(
            Sub.class,
            new Function<Sub, Sub>() {
              @Override
              public Sub apply(Sub sub) {
                return new ForwardingSub(sub);
              }
            });
  }

  interface Base {
    CharSequence getId();
  }

  interface Sub extends Base {
    @Override
    String getId();
  }

    new ForwardingWrapperTester()
        .testForwarding(
            Sub.class,
            new Function<Sub, Sub>() {
              @Override
              public Sub apply(Sub sub) {
                return new ForwardingSub(sub);
              }
            });
  }

  interface Base {
    CharSequence getId();
  }

  interface Sub extends Base {
    @Override
    String getId();
  }

    RangeMap<Integer, Integer> sub = rangeMap.subRangeMap(Range.closed(5, 11));
    assertEquals(
        ImmutableMap.of(Range.closedOpen(5, 7), 1, Range.closed(9, 10), 2), sub.asMapOfRanges());
    sub.put(Range.closed(7, 9), 4);
    assertEquals(
        ImmutableMap.of(
            Range.closedOpen(5, 7), 1, Range.closed(7, 9), 4, Range.openClosed(9, 10), 2),
        sub.asMapOfRanges());
    assertEquals(

/**
 * A generator of {@code TestSuite} instances for testing {@code ByteSource} implementations.
 * Generates tests of all methods on a {@code ByteSource} given various inputs the source is
 * expected to contain as well as sub-suites for testing the {@code CharSource} view and {@code
 * slice()} views in the same way.
 *
 * @author Colin Decker
 */
@AndroidIncompatible // TODO(b/230620681): Make this available (even though we won't run it).

    suite.addTest(createExampleSuite(new CopyOnWriteListExample("CopyOnWriteArrayList")));
    suite.addTestSuite(ListsImplTest.class);
    return suite;
  }

  @J2ktIncompatible
  @GwtIncompatible // suite sub call
  private static TestSuite createExampleSuite(ListExample example) {
    TestSuite resultSuite = new TestSuite(ListsImplTest.class);
    for (Enumeration<Test> testEnum = resultSuite.tests(); testEnum.hasMoreElements(); ) {

/**
 * A generator of {@code TestSuite} instances for testing {@code ByteSource} implementations.
 * Generates tests of all methods on a {@code ByteSource} given various inputs the source is
 * expected to contain as well as sub-suites for testing the {@code CharSource} view and {@code
 * slice()} views in the same way.
 *
 * @author Colin Decker
 */
@AndroidIncompatible // TODO(b/230620681): Make this available (even though we won't run it).

    class BaseWithTypeVar<T> {}
    class Outer<O> {
      class Sub<X> extends BaseWithTypeVar<List<X>> {}

      class Sub2<Y extends Sub2<Y>> extends BaseWithTypeVar<List<Y>> {}
    }
    ParameterizedType subtype =
        (ParameterizedType)
            new TypeToken<BaseWithTypeVar<List<?>>>() {}.getSubtype(Outer.Sub.class).getType();
    assertEquals(Outer.Sub.class, subtype.getRawType());

    suite.addTest(createExampleSuite(new CopyOnWriteListExample("CopyOnWriteArrayList")));
    suite.addTestSuite(ListsImplTest.class);
    return suite;
  }

  @J2ktIncompatible
  @GwtIncompatible // suite sub call
  private static TestSuite createExampleSuite(ListExample example) {
    TestSuite resultSuite = new TestSuite(ListsImplTest.class);
    for (Enumeration<Test> testEnum = resultSuite.tests(); testEnum.hasMoreElements(); ) {

  }

  @SuppressWarnings("unchecked")
  private RangeMap<K, V> emptySubRangeMap() {
    return (RangeMap<K, V>) (RangeMap<?, ?>) EMPTY_SUB_RANGE_MAP;
  }

  @SuppressWarnings("ConstantCaseForConstants") // This RangeMap is immutable.
  private static final RangeMap<Comparable<?>, Object> EMPTY_SUB_RANGE_MAP =
      new RangeMap<Comparable<?>, Object>() {
        @Override
        @CheckForNull