assertNoExpectedFailures();
    super.tearDown();
  }

  public void testFrom() throws Exception {
    ClosingFuture<String> closingFuture =
        ClosingFuture.from(executor.submit(Callables.returning(closeable1)))
            .transform(
                new ClosingFunction<TestCloseable, String>() {
                  @Override

  @GwtIncompatible
  public static Executor newSequentialExecutor(Executor delegate) {
    return new SequentialExecutor(delegate);
  }

  /**
   * Creates an {@link ExecutorService} whose {@code submit} and {@code invokeAll} methods submit
   * {@link ListenableFutureTask} instances to the given delegate executor. Those methods, as well
   * as {@code execute} and {@code invokeAny}, are implemented in terms of calls to {@code

    assertNoExpectedFailures();
    super.tearDown();
  }

  public void testFrom() throws Exception {
    ClosingFuture<String> closingFuture =
        ClosingFuture.from(executor.submit(Callables.returning(closeable1)))
            .transform(
                new ClosingFunction<TestCloseable, String>() {
                  @Override

import static com.google.common.util.concurrent.Futures.nonCancellationPropagating;
import static com.google.common.util.concurrent.Futures.scheduleAsync;
import static com.google.common.util.concurrent.Futures.submit;
import static com.google.common.util.concurrent.Futures.submitAsync;
import static com.google.common.util.concurrent.Futures.successfulAsList;
import static com.google.common.util.concurrent.Futures.transform;

    List<Future<?>> futures = Lists.newArrayList();
    ExecutorService executor = Executors.newFixedThreadPool(10);
    int numberOfCatchers = 10000;
    for (int i = 0; i < numberOfCatchers; i++) {
      futures.add(executor.submit(new Registrator(bus, catchers)));
    }
    for (int i = 0; i < numberOfCatchers; i++) {
      futures.get(i).get();
    }
    assertEquals("Unexpected number of catchers in the list", numberOfCatchers, catchers.size());

    List<Future<?>> futures = Lists.newArrayList();
    ExecutorService executor = Executors.newFixedThreadPool(10);
    int numberOfCatchers = 10000;
    for (int i = 0; i < numberOfCatchers; i++) {
      futures.add(executor.submit(new Registrator(bus, catchers)));
    }
    for (int i = 0; i < numberOfCatchers; i++) {
      futures.get(i).get();
    }
    assertEquals("Unexpected number of catchers in the list", numberOfCatchers, catchers.size());

                        } finally {
                            pool.shutdown();
                        }
                        return true;
                    }
                };
                pool.submit(task);
                return task;
            });
            result = future.get();
        } catch (Exception e) {

    /** The key of the message: Your request might have been processed before this request. Please check and retry it. */
    public static final String ERRORS_APP_DOUBLE_SUBMIT_REQUEST = "{errors.app.double.submit.request}";

    /** The key of the message: Username or Password is not correct. */
    public static final String ERRORS_login_error = "{errors.login_error}";

import static com.google.common.util.concurrent.Futures.nonCancellationPropagating;
import static com.google.common.util.concurrent.Futures.scheduleAsync;
import static com.google.common.util.concurrent.Futures.submit;
import static com.google.common.util.concurrent.Futures.submitAsync;
import static com.google.common.util.concurrent.Futures.successfulAsList;
import static com.google.common.util.concurrent.Futures.transform;

            final SearchRequestParams reqParams = new SearchRequestParamsWrapper(params, 0, i == 0 ? windowSize : size);
            final RankFusionSearcher searcher = searchers[i];
            resultList.add(executorService.submit(() -> {
                try {
                    if (externalContext != null) {
                        requestOpt.ifPresent(externalContext::setRequest);