* equality for both keys and values, unlike {@code ForwardingMap}.
 *
 * <p>The {@code standard} methods and the collection views they return are not guaranteed to be
 * thread-safe, even when all of the methods that they depend on are thread-safe.
 *
 * @author Mike Bostock
 * @author Louis Wasserman
 * @since 2.0
 */
@GwtCompatible
/*

        method.setAccessible(true);

        // Test with null thread
        try {
            method.invoke(crawler, (Thread) null);
        } catch (Exception e) {
            fail("Should not throw exception with null thread");
        }

        // Test with normal thread
        Thread testThread = new Thread(() -> {
            try {

    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((t, throwable) -> exceptions.add(throwable));
      threads.add(thread);
    }
    for (Thread t : threads) {
      t.start();
    }

    protected long crawlingExecutionInterval = Constants.DEFAULT_CRAWLING_EXECUTION_INTERVAL;

    /**
     * Thread priority for index updater operations.
     */
    protected int indexUpdaterPriority = Thread.MAX_PRIORITY;

    /**
     * Thread priority for crawler operations.
     */
    protected int crawlerPriority = Thread.NORM_PRIORITY;

    /**
     * Synchronized list of active crawlers.
     */

 * methods that they depend on are thread-safe.
 *
 * @author Kevin Bourrillion
 * @author Louis Wasserman
 * @since 2.0
 */
@GwtCompatible
public abstract class ForwardingSet<E extends @Nullable Object> extends ForwardingCollection<E>
    implements Set<E> {
  // TODO(lowasser): identify places where thread safety is actually lost

            // Create multiple threads to call size()
            Thread[] threads = new Thread[10];
            for (int i = 0; i < threads.length; i++) {
                threads[i] = new Thread(() -> {
                    for (int j = 0; j < 1000; j++) {
                        assertEquals(expectedSize, buffer.size());
                    }
                });
                threads[i].start();
            }

    // (Still done).
    assertThat(secondResponseCode.get()).isEqualTo(200)
  }

  private fun buildRequestThread(
    path: String,
    responseCode: AtomicInteger,
  ): Thread =
    Thread {
      val url = mockWebServer.url(path).toUrl()
      val conn: HttpURLConnection
      try {
        conn = url.openConnection() as HttpURLConnection

                    success[index] = false;
                }
            });
            threads[i].start();
        }

        // Wait for all threads to complete
        for (Thread thread : threads) {
            thread.join();
        }

        // All threads should complete successfully
        for (boolean s : success) {
            assertTrue(s);
        }
    }

                    success[index] = false;
                }
            });
            threads[i].start();
        }

        // Wait for all threads to complete
        for (Thread thread : threads) {
            thread.join();
        }

        // All threads should complete successfully
        for (boolean s : success) {
            assertTrue(s);
        }
    }

        // Create thread pools
        this.channelExecutor = Executors.newCachedThreadPool(r -> {
            Thread t = new Thread(r, "SMB3-MultiChannel-Worker");
            t.setDaemon(true);
            return t;
        });

        this.healthCheckExecutor = Executors.newScheduledThreadPool(2, r -> {
            Thread t = new Thread(r, "SMB3-MultiChannel-HealthCheck");