assertThat(recordedRequest.url.encodedQuery).isEqualTo(
      "ct&dns=AAABAAABAAAAAAAABmdvb2dsZQNjb20AAAEAAQ",
    )

    assertThat(cacheEvents()).containsExactly(CacheMiss::class)

    Thread.sleep(2000)
    server.enqueue(
      dnsResponse(
        "0000818000010003000000000567726170680866616365626f6f6b03636f6d0000010001c00c000500010" +

                        log.debug("Change notification failed for: " + handle.directoryPath, e);
                        // Retry after delay
                        try {
                            Thread.sleep(5000);
                        } catch (InterruptedException ie) {
                            Thread.currentThread().interrupt();
                            break;
                        }
                    }

                Thread.currentThread().interrupt();
            }
        });
        writerThread.start();

        // Give threads a moment to reach the latch
        Thread.sleep(50);

        // Release all threads to start simultaneously
        startLatch.countDown();

        // Wait for writer thread to complete
        writerThread.join(1000);

        }

        @Override
        protected SearchResult search(String query, SearchRequestParams params, OptionalThing<FessUserBean> userBean) {
            try {
                Thread.sleep(delayMs);
            } catch (InterruptedException e) {
                Thread.currentThread().interrupt();
            }

            SearchResultBuilder builder = SearchResult.create();

        assertFalse(helper.isCrawlerRunning());

        // Start a thread to set crawler running after a delay
        Thread thread = new Thread(() -> {
            try {
                Thread.sleep(100);
                helper.setCrawlerRunning(true);
            } catch (InterruptedException e) {
                Thread.currentThread().interrupt();
            }
        });
        thread.start();

            // Give the writer thread time to process and set exception
            w.wait(100);
        }

        // Wait a bit more to ensure exception is captured
        Thread.sleep(100);

        // Act + Assert: checkException should throw the SmbException captured by the thread
        assertThrows(SmbException.class, w::checkException);

        // Stop the thread
        synchronized (w) {

    final int millis;
    volatile boolean completed;

    SleepingRunnable(int millis) {
      this.millis = millis;
    }

    @Override
    public void run() {
      try {
        Thread.sleep(millis);
      } catch (InterruptedException wontHappen) {
        throw new AssertionError();
      }
      completed = true;
    }
  }

        entry.setMaxAge(100); // 100ms

        assertFalse(entry.isExpired());
        assertFalse(entry.needsRefresh());

        // Wait for expiration
        try {
            Thread.sleep(150);
        } catch (InterruptedException e) {
            // Ignore
        }

        assertTrue(entry.isExpired());
        assertTrue(entry.needsRefresh());
    }

    @Test

		// current stack snapshot matches the initial one, no leaks, return.
		if len(leaked) == 0 {
			return
		}
		// wait a test again will deadline.
		if UTCNow().Before(deadline) {
			time.Sleep(leakDetectPauseTimeMs * time.Millisecond)
			continue
		}
		// after the deadline time report all the difference in the latest snapshot compared with the initial one.
		for _, g := range leaked {

func (target ExampleTarget) Store() TargetStore {
	return nil
}

func (target ExampleTarget) send(eventData Event) error {
	b := make([]byte, 1)
	if _, err := rand.Read(b); err != nil {
		panic(err)
	}

	time.Sleep(time.Duration(b[0]) * time.Millisecond)

	if target.sendErr {
		return errors.New("send error")
	}

	return nil
}

// SendFromStore - interface compatible method does no-op.