outer.add("foo"); // necessary because we try to remove elements later on
    return outer;
  }

  private static final class TestQueue<E> implements Queue<E> {
    private final Queue<E> delegate = Lists.newLinkedList();
    public final Object mutex = new Object[0]; // something Serializable

    @Override
    public boolean offer(E o) {
      assertTrue(Thread.holdsLock(mutex));

  private ExecutorService exec;

  protected final CountDownLatch runLatch = new CountDownLatch(1);
  protected final CountDownLatch taskLatch = new CountDownLatch(1);
  protected final CountDownLatch listenerLatch = new CountDownLatch(1);

  protected volatile boolean throwException = false;

  protected final ListenableFutureTask<Integer> task =
      ListenableFutureTask.create(

import org.junit.Test;

/**
 * @author koichik
 *
 */
public class ClassIteratorTest {

    /**
     * @throws Exception
     */
    @Test
    public void test() throws Exception {
        final ClassIterator it = new ClassIterator(Integer.class);
        assertThat(it.hasNext(), is(true));
        assertThat(it.next(), is(sameClass(Integer.class)));

        assertThat(it.hasNext(), is(true));

## Owner

I, <a href="https://github.com/tiangolo" target="_blank">@tiangolo</a>, am the creator and owner of the FastAPI repository. 🤓

I normally give the final review to each PR before merging them. I make the final decisions on the project, I'm the <a href="https://en.wikipedia.org/wiki/Benevolent_dictator_for_life" class="external-link" target="_blank"><abbr title="Benevolent Dictator For Life">BDFL</abbr></a>. 😅

    private static final long serialVersionUID = 1L;

    protected long took;
    private int totalShards;
    private int successfulShards;
    private int failedShards;
    private TotalHits totalHits;
    private Aggregations aggregations;

    private SearchRequestBuilder builder;

    public EsPagingResultBean(final SearchRequestBuilder builder) {
        this.builder = builder;

    return new OrderedPermutationCollection<E>(elements, comparator);
  }

  private static final class OrderedPermutationCollection<E> extends AbstractCollection<List<E>> {
    final ImmutableList<E> inputList;
    final Comparator<? super E> comparator;
    final int size;

    OrderedPermutationCollection(Iterable<E> input, Comparator<? super E> comparator) {

    private static final ThreadFactory threadFactory =
        new ThreadFactoryBuilder()
            .setDaemon(true)
            .setNameFormat("ListenableFutureAdapter-thread-%d")
            .build();
    private static final Executor defaultAdapterExecutor =
        Executors.newCachedThreadPool(threadFactory);

    private final Executor adapterExecutor;

    // Expect the same value on subsequent calls
    assertSame(value, callable.call());
  }

  @J2ktIncompatible
  @GwtIncompatible
  public void testAsAsyncCallable() throws Exception {
    final String expected = "MyCallableString";
    Callable<String> callable =
        new Callable<String>() {
          @Override
          public String call() throws Exception {
            return expected;
          }

     * @see JarInputStream#JarInputStream(InputStream)
     */
    public static JarInputStream create(final InputStream is) throws IORuntimeException {
        assertArgumentNotNull("is", is);

        try {
            return new JarInputStream(is);
        } catch (final IOException e) {
            throw new IORuntimeException(e);
        }
    }

    /**

 */
@Deprecated(since = "4.0.0")
class ProblemDetectingValueSource implements ValueSource {

    private final ValueSource valueSource;

    private final String bannedPrefix;

    private final String newPrefix;

    private final ModelProblemCollector problems;

    ProblemDetectingValueSource(