final ExecutorService closingExecutor = newSingleThreadExecutor();

  final TestCloseable closeable1 = new TestCloseable("closeable1");
  final TestCloseable closeable2 = new TestCloseable("closeable2");
  final TestCloseable closeable3 = new TestCloseable("closeable3");
  final TestCloseable closeable4 = new TestCloseable("closeable4");

  final Waiter waiter = new Waiter();

        then:
        def e = thrown(IllegalStateException)
        e.message == 'The value for this property is final and cannot be changed any further.'

        when:
        setToNull(property)

        then:
        def e2 = thrown(IllegalStateException)
        e2.message == 'The value for this property is final and cannot be changed any further.'

        when:
        property.value(someValue())

      final Set<? extends E> set1, final Set<? extends E> set2) {
    checkNotNull(set1, "set1");
    checkNotNull(set2, "set2");

    return new SetView<E>() {
      @Override
      public UnmodifiableIterator<E> iterator() {
        final Iterator<? extends E> itr1 = set1.iterator();
        final Iterator<? extends E> itr2 = set2.iterator();

        }

        private static final List<String> ALLOWED_VERSIONS = Arrays.asList("1.0", "1.1", "1.2", "1.3", "1.4", "2.0", "2.1", "2.2");

        /* how and what do we have to parse */
        private final DescriptorParseContext parseContext;
        private final RelativeUrlResolver relativeUrlResolver = new NormalRelativeUrlResolver();
        private final URL descriptorURL;

      final Set<? extends E> set1, final Set<? extends E> set2) {
    checkNotNull(set1, "set1");
    checkNotNull(set2, "set2");

    return new SetView<E>() {
      @Override
      public UnmodifiableIterator<E> iterator() {
        final Iterator<? extends E> itr1 = set1.iterator();
        final Iterator<? extends E> itr2 = set2.iterator();

   *             executor);
   * }</pre>
   *
   * @since 20.0
   */
  @GwtCompatible
  public static final class FutureCombiner<V extends @Nullable Object> {
    private final boolean allMustSucceed;
    private final ImmutableList<ListenableFuture<? extends V>> futures;

    private FutureCombiner(
        boolean allMustSucceed, ImmutableList<ListenableFuture<? extends V>> futures) {

    private static final Logger LOGGER = LoggerFactory.getLogger(NodeState.class);
    private final Long nodeId;
    private final ComponentState component;
    private final List<EdgeState> incomingEdges = new ArrayList<>();
    private final List<EdgeState> outgoingEdges = new ArrayList<>();

    private final VariantGraphResolveState variantState;
    private final VariantGraphResolveMetadata metadata;

     */
    private static final ImmutableMap<String, ClassNode> TYPE_REDIRECT_MAPPING = ImmutableMap.of(
        "Inject", ClassHelper.makeCached(Inject.class),
        "BigInteger", ClassHelper.BigInteger_TYPE,
        "BigDecimal", ClassHelper.BigDecimal_TYPE
    );

    private ClassNode currentClass;
    private final Map<String, List<String>> simpleNameToFQN;
    private final CompilationUnit compilationUnit;

    )
    public static class AnnotatedBean {
    }

    public static class BeanWithProperty {
        private final Property<String> prop;
        private final Property<String> prop2;
        private final Property<String> aProp;

        public BeanWithProperty(ObjectFactory factory) {
            this.prop = factory.property(String.class);

      extends AbstractMultimap<K, V2> {
    final Multimap<K, V1> fromMultimap;
    final EntryTransformer<? super K, ? super V1, V2> transformer;

    TransformedEntriesMultimap(
        Multimap<K, V1> fromMultimap,
        final EntryTransformer<? super K, ? super V1, V2> transformer) {
      this.fromMultimap = checkNotNull(fromMultimap);