ret.add(v.label);
                return ret;
            }
        }
        return null;
    }

    static class Vertex {
        final String label;
        final List<Vertex> children = new ArrayList<>();
        final List<Vertex> parents = new ArrayList<>();

        Vertex(String label) {
            this.label = label;
        }

        String getLabel() {

/**
 * Context for an exception thrown by a subscriber.
 *
 * @since 16.0
 */
@ElementTypesAreNonnullByDefault
public class SubscriberExceptionContext {
  private final EventBus eventBus;
  private final Object event;
  private final Object subscriber;
  private final Method subscriberMethod;

  /**
   * @param eventBus The {@link EventBus} that handled the event and the subscriber. Useful for

        exception.expectMessage(is("index=2"));
        final ArrayIterator<Integer> itr = new ArrayIterator<Integer>(new Integer[] { 1, 2 });
        itr.next();
        itr.next();
        itr.next();
    }

    /**
     *
     */
    @Test
    public void testHasNext() {
        final ArrayIterator<String> itr = new ArrayIterator<String>("A", "B");

     */
    @Test
    public void testToCalendar() throws Exception {
        final Date date = new Date();
        final Calendar cal = CalendarConversionUtil.toCalendar(date);
        assertEquals(date, cal.getTime());
    }

    /**
     *
     * @throws Exception
     */
    @Test
    public void testLocalize() throws Exception {
        final Calendar calendar = Calendar.getInstance(TimeZone.getTimeZone("JST"));

    public Deferred<T>.Promise execute(final Client client) {
        final String error = getValidationError();
        if (!Strings.isNullOrEmpty(error)) {
            throw new IllegalArgumentException(error);
        }

        final Deferred<T> deferred = new Deferred<>();
        try {
            processRequest(client, deferred);
        } catch (final Exception e) {
            throw new SuggesterException(e);

 */
@Named
@Singleton
@Deprecated(since = "4.0.0")
public class DefaultModelVersionParser implements ModelVersionParser {
    private static final String SNAPSHOT = "SNAPSHOT";
    private static final Pattern SNAPSHOT_TIMESTAMP = Pattern.compile("^(.*-)?([0-9]{8}\\.[0-9]{6}-[0-9]+)$");
    private final VersionScheme versionScheme;

    @Inject
    public DefaultModelVersionParser(VersionScheme versionScheme) {

    // internal Sync object, so this is safe since the shadowed locks are never
    // exposed or used.
    private final CycleDetectingReentrantReadLock readLock;
    private final CycleDetectingReentrantWriteLock writeLock;

    private final LockGraphNode lockGraphNode;

    private CycleDetectingReentrantReadWriteLock(LockGraphNode lockGraphNode, boolean fair) {
      super(fair);

   *     into partitions (the final iterable may have trailing null elements)
   * @throws IllegalArgumentException if {@code size} is nonpositive
   */
  public static <T extends @Nullable Object> Iterable<List<@Nullable T>> paddedPartition(
      final Iterable<T> iterable, final int size) {
    checkNotNull(iterable);
    checkArgument(size > 0);

    abstract int decrementAndGetRemainingCount(AggregateFutureState<?> state);
  }

  private static final class SafeAtomicHelper extends AtomicHelper {
    final AtomicReferenceFieldUpdater<
            ? super AggregateFutureState<?>, ? super @Nullable Set<Throwable>>
        seenExceptionsUpdater;

    final AtomicIntegerFieldUpdater<? super AggregateFutureState<?>> remainingCountUpdater;

    SafeAtomicHelper(

   * method from an ancestor class.
   *
   * <p>See JLS 8.4.2 for the definition of the related "override-equivalent."
   */
  private static final class MethodSignature implements Comparable<MethodSignature> {
    final String name;
    final List<Class<?>> parameterTypes;
    final TypeSignature typeSignature;

    MethodSignature(Method method) {
      name = method.getName();