tryDrainReferenceQueues();
        return null;
      }

      return value;
    }

    /**
     * Performs routine cleanup following a read. Normally cleanup happens during writes, or from
     * the cleanupExecutor. If cleanup is not observed after a sufficient number of reads, try
     * cleaning up from the read thread.
     */
    void postReadCleanup() {

            AtomicReference<Exception> failure = new AtomicReference<>();
            while (true) {
                try {
                    failure.set(null);
                    systemRegistry.cleanUp();
                    Thread commandThread = new Thread(() -> {
                        try {
                            systemRegistry.execute(reader.readLine(

            String domain = testConfig.getDefaultDomain();
            assertTrue(domain.equals("systemdomain") || domain.equals("propsdomain"));

        } finally {
            // Cleanup
            if (originalValue != null) {
                System.setProperty("jcifs.smb.client.domain", originalValue);
            } else {
                System.clearProperty("jcifs.smb.client.domain");
            }

            }
        }
    }

    /**
     * Cleans up the transport thread.
     *
     * @param timeout the maximum time to wait for thread cleanup in milliseconds
     * @throws TransportException if thread cleanup fails
     */
    private synchronized void cleanupThread(final long timeout) throws TransportException {
        final Thread t = this.thread;

 *
 * <p>The job supports selective crawling by specifying configuration IDs for different
 * types of crawlers (web, file, data). It manages the crawler process lifecycle,
 * handles timeout scenarios, and ensures proper cleanup of resources.</p>
 *
 * <p>Key features:</p>
 * <ul>
 *   <li>Concurrent crawler process management with configurable limits</li>
 *   <li>Selective crawling based on configuration IDs</li>

    - [API Change](#api-change)
    - [Feature](#feature)
    - [Documentation](#documentation)
    - [Failing Test](#failing-test)
    - [Bug or Regression](#bug-or-regression)
    - [Other (Cleanup or Flake)](#other-cleanup-or-flake)
  - [Dependencies](#dependencies)
    - [Added](#added)
    - [Changed](#changed)
    - [Removed](#removed)
- [v1.36.0-alpha.2](#v1360-alpha2)

        return super.hookBefore(runtime);
    }

    /**
     * Hook method called after action execution completes.
     * <p>
     * This method performs cleanup operations by calling the parent hook.
     * </p>
     *
     * @param runtime the action runtime context
     */
    @Override
    public void hookFinally(final ActionRuntime runtime) {

  - [Changelog since v1.20.11](#changelog-since-v12011)
  - [Changes by Kind](#changes-by-kind-3)
    - [API Change](#api-change)
    - [Bug or Regression](#bug-or-regression-3)
    - [Other (Cleanup or Flake)](#other-cleanup-or-flake)
  - [Dependencies](#dependencies-3)
    - [Added](#added-3)
    - [Changed](#changed-3)
    - [Removed](#removed-3)
- [v1.20.11](#v12011)
  - [Downloads for v1.20.11](#downloads-for-v12011)

  ConcurrentMap<K, V> asMap();

  /**
   * Performs any pending maintenance operations needed by the cache. Exactly which activities are
   * performed -- if any -- is implementation-dependent.
   */
  void cleanUp();

		var exit bool
		for !exit {
			select {
			case <-t.C:
			case <-GlobalContext.Done():
				exit = true
			}
			m.mu.RLock()
			for _, v := range m.buckets {
				if !exit {
					v.cleanup()
				}
			}
			m.mu.RUnlock()
			m.mu.Lock()
			for k, v := range m.trash {
				if time.Since(v.lastUpdate) > metacacheMaxRunningAge {
					v.delete(context.Background())
					delete(m.trash, k)
				}