/**
 * The annotated element can be {@code null}.
 *
 * @see Nonnull
 * @since 4.0.0
 */
@Experimental
@Documented
@Retention(RetentionPolicy.RUNTIME)

   * @since 11.0
   */
  public static <R extends @Nullable Object, C extends @Nullable Object, V extends @Nullable Object>
      Table<R, C, V> unmodifiableTable(Table<? extends R, ? extends C, ? extends V> table) {
    return new UnmodifiableTable<>(table);
  }

  private static class UnmodifiableTable<
          R extends @Nullable Object, C extends @Nullable Object, V extends @Nullable Object>

          @Nullable OutSpliteratorT prefix,
          Spliterator<InElementT> fromSplit,
          Function<? super InElementT, @Nullable OutSpliteratorT> function,
          int splitCharacteristics,
          long estSplitSize);
    }

    @Weak @Nullable OutSpliteratorT prefix;
    final Spliterator<InElementT> from;
    final Function<? super InElementT, @Nullable OutSpliteratorT> function;

    @Weak @Nullable OutSpliteratorT prefix;
    final Spliterator<InElementT> from;
    final Function<? super InElementT, @Nullable OutSpliteratorT> function;
    final Factory<InElementT, OutSpliteratorT> factory;
    int characteristics;
    long estimatedSize;

    FlatMapSpliterator(
        @Nullable OutSpliteratorT prefix,
        Spliterator<InElementT> from,
        Function<? super InElementT, @Nullable OutSpliteratorT> function,

interface IThenable<T extends @Nullable Object> {
  <V extends @Nullable Object> IThenable<V> then(
      @JsOptional @Nullable IThenOnFulfilledCallbackFn<? super T, ? extends V> onFulfilled,
      @JsOptional @Nullable IThenOnRejectedCallbackFn<? extends V> onRejected);

  @JsFunction
  interface IThenOnFulfilledCallbackFn<T extends @Nullable Object, V extends @Nullable Object> {
    V onInvoke(T p0);
  }

  public boolean containsValue(@Nullable Object value) {
    return delegate().containsValue(value);
  }

  @Override
  public @Nullable V get(@Nullable Object rowKey, @Nullable Object columnKey) {
    return delegate().get(rowKey, columnKey);
  }

  @Override
  public boolean isEmpty() {
    return delegate().isEmpty();
  }

  @CanIgnoreReturnValue
  @Override
  public @Nullable V put(

  private static class SynchronizedMultimap<K extends @Nullable Object, V extends @Nullable Object>
      extends SynchronizedObject implements Multimap<K, V> {
    transient @Nullable Set<K> keySet;
    transient @Nullable Collection<V> valuesCollection;
    transient @Nullable Collection<Map.Entry<K, V>> entries;
    transient @Nullable Map<K, Collection<V>> asMap;
    transient @Nullable Multiset<K> keys;

    @SuppressWarnings("unchecked")

  private static class SynchronizedMultimap<K extends @Nullable Object, V extends @Nullable Object>
      extends SynchronizedObject implements Multimap<K, V> {
    transient @Nullable Set<K> keySet;
    transient @Nullable Collection<V> valuesCollection;
    transient @Nullable Collection<Map.Entry<K, V>> entries;
    transient @Nullable Map<K, Collection<V>> asMap;
    transient @Nullable Multiset<K> keys;

    @SuppressWarnings("unchecked")

  }

  private boolean containsMapping(
      @Nullable Object rowKey, @Nullable Object columnKey, @Nullable Object value) {
    return value != null && value.equals(get(rowKey, columnKey));
  }

  /** Remove a row key / column key / value mapping, if present. */
  private boolean removeMapping(
      @Nullable Object rowKey, @Nullable Object columnKey, @Nullable Object value) {
    if (containsMapping(rowKey, columnKey, value)) {

            """
        ) {
            assertHasNoError()
            assertHasWarnings(
                "Field finalField: Nullability changed from nullable to non-nullable",
                "Method com.example.Source.foo(java.lang.String): Return nullability changed from nullable to non-nullable"
            )
            assertHasNoInformation()
        }
    }

    @Test