// Test implementation
        }

        public boolean waitForNotification(long timeoutMs) throws InterruptedException {
            return notificationLatch.await(timeoutMs, TimeUnit.MILLISECONDS);
        }

        public WitnessNotification getLastNotification() {
            return lastNotification;
        }
    }

    /**

    }

    @Override
    public int read() throws IOException {
        int result = -1;

        synchronized (lock) {
            try {
                while (used == 0) {
                    lock.wait();
                }
            } catch (final InterruptedException ie) {
                throw new IOException(ie.getMessage());
            }
            result = pipe_buf[beg_idx] & 0xFF;

        assertFalse(channelInfo.isHealthy());
    }

    @Test
    void testActivityTracking() {
        long initialTime = channelInfo.getLastActivityTime();

        // Wait a bit and update activity
        try {
            Thread.sleep(10);
        } catch (InterruptedException e) {
            Thread.currentThread().interrupt();
        }

        channelInfo.updateActivity();

 *
 * @author mbechler
 *
 * <p>This interface is intended for internal use.</p>
 */
public enum RequestParam {

    /**
     * No special request parameters.
     */
    NONE,

    /**
     * Wait indefinitely for a response
     */
    NO_TIMEOUT,

    /**
     * Do not retry request on failure
     */
    NO_RETRY,

    /**
     * Save the raw payload for further inspection
     */

        }
        return values;
    }

    /**
     * Sets the wait time in milliseconds when the crawler is not running.
     *
     * @param crawlerWaitMillis the wait time in milliseconds
     */
    public void setCrawlerWaitMillis(final long crawlerWaitMillis) {
        this.crawlerWaitMillis = crawlerWaitMillis;
    }

            crawler.getCrawlerContext().setMaxAccessCount(maxCount);
            crawler.getCrawlerContext().setNumOfThread(numOfThread);
            final String sessionId = crawler.execute();

            // Wait for crawler to start running with polling
            long startTime = System.currentTimeMillis();
            while (crawler.crawlerContext.getStatus() != CrawlerStatus.RUNNING && System.currentTimeMillis() - startTime < 5000) {

            final byte[] buf = new byte[1024];

            for (int ii = 0; ii < numIter; ii++) {

                synchronized (this) {
                    ltime = System.currentTimeMillis();
                    wait();
                }

                try {
                    final double r = Math.random();
                    if (r < 0.333) {
                        f.exists();

            crawler.getCrawlerContext().setMaxAccessCount(maxCount);
            crawler.getCrawlerContext().setNumOfThread(numOfThread);
            final String sessionId = crawler.execute();

            // Wait for crawler to start running with polling
            long startTime = System.currentTimeMillis();
            while (crawler.crawlerContext.getStatus() != CrawlerStatus.RUNNING && System.currentTimeMillis() - startTime < 5000) {

     */
    protected long reloadInterval = 1000L;

    /**
     * Update the configuration.
     */
    public void update() {
        CommonPoolUtil.execute(this::load);
    }

    /**
     * Wait for the next reloading.
     */
    protected void waitForNext() {
        if (reloadInterval > 0) {
            ThreadUtil.sleep(reloadInterval);
        }
    }

    /**
     * Load the configuration.

                long currentTime = SystemUtil.currentTimeMillis();
                long delayTime = lastValue + delayMillisBeforeProcessing - currentTime;
                while (delayTime > 0) {
                    lastTime.wait(delayTime);
                    currentTime = SystemUtil.currentTimeMillis();
                    delayTime = lastTime.get() + delayMillisBeforeProcessing - currentTime;
                }