labelList = new ArrayList<>();
        labelType = null;
    }

    /**
     * SAX event handler called at the end of document parsing.
     * Cleans up internal data structures used during parsing.
     *
     * @throws SAXException if a SAX error occurs during cleanup
     */
    @Override
    public void endDocument() throws SAXException {
        globalParams.clear();
        tagQueue.clear();
    }

        if (commandDestroyTimeoutStr != null) {
            commandDestroyTimeout = Long.parseLong(commandDestroyTimeoutStr);
        }
    }

    /**
     * Destroys the command generator and cleanup resources.
     */
    @Override
    public void destroy() {
        destoryTimer.cancel();
        destoryTimer = null;
    }

    /**

  private val routePlanner = FakeRoutePlanner()
  private val factory = routePlanner.factory
  private val taskFaker = routePlanner.taskFaker
  private val peer = MockHttp2Peer()

  /** The fake task runner prevents the cleanup runnable from being started.  */
  private val addressA = factory.newAddress("a")
  private val routeA1 = factory.newRoute(addressA)
  private val addressB = factory.newAddress("b")

- `kube-proxy --cleanup will` return the correct exit code if the cleanup was successful ([#78775](https://github.com/kubernetes/kubernetes/pull/78775), [@johscheuer](https://github.com/johscheuer))

  - [Changelog since v1.23.14](#changelog-since-v12314)
  - [Changes by Kind](#changes-by-kind-2)
    - [Feature](#feature-2)
    - [Bug or Regression](#bug-or-regression-2)
    - [Other (Cleanup or Flake)](#other-cleanup-or-flake)
  - [Dependencies](#dependencies-2)
    - [Added](#added-2)
    - [Changed](#changed-2)
    - [Removed](#removed-2)
- [v1.23.14](#v12314)
  - [Downloads for v1.23.14](#downloads-for-v12314)

                    @Override
                    public StatsObject load(final String key) {
                        return new StatsObject();
                    }
                });
    }

    /**
     * Cleanup method called when the helper is being destroyed.
     * Logs cache statistics and processes any remaining statistics
     * objects in the cache before shutdown.
     */
    @PreDestroy
    public void destroy() {

  - [Changes by Kind](#changes-by-kind-3)
    - [API Change](#api-change)
    - [Feature](#feature-3)
    - [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)
- [v1.24.13](#v12413)
  - [Downloads for v1.24.13](#downloads-for-v12413)

      // Note that if all the futures on the list are done prior to completing this loop, the last
      // call to addListener() will callback to setOneValue(), transitively call our cleanup
      // listener, and set this.futures to null.
      // This is not actually a problem, since the foreach only needs this.futures to be non-null
      // at the beginning of the loop.
      int i = 0;

    - [Node Binaries](#node-binaries)
  - [Changelog since v1.15.11](#changelog-since-v11511)
  - [Changes by Kind](#changes-by-kind)
    - [Bug or Regression](#bug-or-regression)
    - [Other (Cleanup or Flake)](#other-cleanup-or-flake)
- [v1.15.11](#v11511)
  - [Downloads for v1.15.11](#downloads-for-v11511)
    - [Client Binaries](#client-binaries-1)
    - [Server Binaries](#server-binaries-1)
    - [Node Binaries](#node-binaries-1)

 * <p>The IndexingHelper manages bulk operations, handles retries on failures,
 * and provides various query-based operations for document management.
 * It also integrates with the thumbnail generation system and handles
 * the cleanup of old documents during updates.</p>
 */
public class IndexingHelper {
    /** Logger for this class */
    private static final Logger logger = LogManager.getLogger(IndexingHelper.class);