*/
    public GenerateThumbnailJob() {
        super();
    }

    /**
     * Sets the number of threads to use for thumbnail generation.
     *
     * @param numOfThreads the number of threads
     * @return this job instance for method chaining
     */
    public GenerateThumbnailJob numOfThreads(final int numOfThreads) {
        this.numOfThreads = numOfThreads;
        return this;
    }

 * or extended by Maven plugins or extensions and consumed by Maven itself.</li>
 * <li>{@link ThreadSafe}: Implies that implementations of this interface must
 * be safe to invoke from multiple threads concurrently.</li>
 * </ul>
 *
 * @since 4.0.0
 */
@Experimental
@FunctionalInterface
@Consumer
@ThreadSafe
public interface Mojo {
    /**

          // thread.
          executionList.execute();
          return;
        }

        // TODO(lukes): handle RejectedExecutionException
        adapterExecutor.execute(
            () -> {
              try {
                /*
                 * Threads from our private pool are never interrupted. Threads from a

    List<Thread> threads = new ArrayList<>(numThreads);
    List<Throwable> exceptions = new ArrayList<>(numThreads);
    for (int i = 0; i < numThreads; i++) {
      Thread thread = new Thread(task);
      thread.setUncaughtExceptionHandler(
          new UncaughtExceptionHandler() {
            @Override
            public void uncaughtException(Thread t, Throwable e) {
              exceptions.add(e);

import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;

/**
 * Marks an event subscriber method as being thread-safe. This annotation indicates that EventBus
 * may invoke the event subscriber simultaneously from multiple threads.
 *
 * <p>This does not mark the method, and so should be used in combination with {@link Subscribe}.
 *
 * @author Cliff Biffle
 * @since 10.0
 */

                    fail("Thread failed: " + e.getMessage());
                } finally {
                    doneLatch.countDown();
                }
            });
        }

        // Start all threads at once
        startLatch.countDown();

        // Wait for completion
        assertTrue(doneLatch.await(5, TimeUnit.SECONDS), "Threads did not complete in time");
        executor.shutdown();

  private var nextTcpConnectAtNanos = Long.MIN_VALUE

  /**
   * Plans currently being connected, and that will later be added to [connectResults]. This is
   * mutated by the call thread only. If is accessed by background connect threads.
   */
  private val tcpConnectsInFlight = CopyOnWriteArrayList<Plan>()

  /**
   * Results are posted here as they occur. The find job is done when either one plan completes

  /**
   * Returns an exception handler that exits the system. This is particularly useful for the main
   * thread, which may start up other, non-daemon threads, but fail to fully initialize the
   * application successfully.
   *
   * <p>Example usage:
   *
   * <pre>
   * public static void main(String[] args) {
   *   Thread.currentThread().setUncaughtExceptionHandler(UncaughtExceptionHandlers.systemExit());
   *   ...
   * </pre>
   *

      return;
    }
    TimedWaiterThread thread = new TimedWaiterThread(new AbstractFuture<Object>() {}, 2, SECONDS);
    thread.start();
    thread.awaitWaiting();
    Thread.class.getMethod("suspend").invoke(thread);
    // Sleep for enough time to add 1500 milliseconds of overwait to the get() call.
    long toWaitMillis = 3500 - NANOSECONDS.toMillis(System.nanoTime() - thread.startTime);
    Thread.sleep(toWaitMillis);

        Thread thread2 = new Thread(() -> {
            Throwable result = exception.fillInStackTrace();
            assertNull(result);
        });

        thread1.start();
        thread2.start();

        try {
            thread1.join();
            thread2.join();
        } catch (InterruptedException e) {
            fail("Thread interrupted");
        }
    }