/** Atomic flag indicating whether the crawler is currently running. */
    private static AtomicBoolean running = new AtomicBoolean(false);

    /** Thread-safe queue for collecting error messages during crawling operations. */
    private static Queue<String> errors = new ConcurrentLinkedQueue<>();

    /** Injected search engine client for OpenSearch operations. */
    @Resource

import com.google.common.collect.testing.features.CollectionSize;
import java.util.NoSuchElementException;
import org.junit.Ignore;

/**
 * A generic JUnit test which tests {@code remove()} operations on a queue. Can't be invoked
 * directly; please see {@link com.google.common.collect.testing.CollectionTestSuiteBuilder}.
 *
 * @author Jared Levy
 */
@GwtCompatible

import com.google.common.collect.testing.features.CollectionSize;
import java.util.NoSuchElementException;
import org.junit.Ignore;

/**
 * A generic JUnit test which tests {@code remove()} operations on a queue. Can't be invoked
 * directly; please see {@link com.google.common.collect.testing.CollectionTestSuiteBuilder}.
 *
 * @author Jared Levy
 */
@GwtCompatible

  static <K, V> CountingRemovalListener<K, V> countingRemovalListener() {
    return new CountingRemovalListener<>();
  }

  /** {@link RemovalListener} that adds all {@link RemovalNotification} objects to a queue. */
  @GwtIncompatible // ConcurrentLinkedQueue
  static class QueuingRemovalListener<K, V> extends ConcurrentLinkedQueue<RemovalNotification<K, V>>
      implements RemovalListener<K, V> {

    @Override

        ResourceHolder(String resourceId, AutoCloseable resource, ReferenceQueue<AutoCloseable> queue) {
            this.resourceId = resourceId;
            this.resourceType = resource.getClass().getSimpleName();
            this.resourceRef = new WeakReference<>(resource);
            this.phantomRef = new PhantomReference<>(resource, queue);
            this.creationTime = System.currentTimeMillis();

        });
        saveInfo(messages -> messages.addSuccessStartedDataUpdate(GLOBAL));
        return redirect(getClass());
    }

    /**
     * Clears all crawler indices including queue, data, and filter indices.
     *
     * @param form the action form (validated but not used for configuration)
     * @return HTML response redirecting to the maintenance page
     */
    @Execute

			skip = act.Delete() && !act.DeleteRestored()
		}
	}

	fiv, err := obj.fileInfoVersions(o.Bucket)
	if err != nil {
		return
	}

	// Expire all versions if needed, if not attempt to queue for replication.
	for _, version := range fiv.Versions {
		objInfo := version.ToObjectInfo(o.Bucket, obj.name, versioned)

		if o.Lifecycle != nil {

import java.util.NavigableSet;
import java.util.Optional;
import java.util.OptionalDouble;
import java.util.OptionalInt;
import java.util.OptionalLong;
import java.util.PriorityQueue;
import java.util.Queue;
import java.util.Random;
import java.util.Set;
import java.util.SortedMap;
import java.util.SortedSet;
import java.util.TreeMap;
import java.util.TreeSet;
import java.util.UUID;

    /**
     * The FTP client configuration.
     */
    protected FTPClientConfig ftpClientConfig;

    /**
     * The queue of FTPClient instances.
     */
    protected final Queue<FTPClient> ftpClientQueue = new ConcurrentLinkedQueue<>();

    /**
     * The active external host.
     */
    protected String activeExternalHost;

    /**

    }

    throw firstException!!
  }

  /**
   * Returns non-null if we don't need to wait for the launched result. In such cases, this result
   * must be processed before whatever is waiting in the queue because we may have already acquired
   * its connection.
   */
  private fun launchTcpConnect(): ConnectResult? {
    val plan =
      when {
        routePlanner.hasNext() -> {
          try {