return elements.reverse().iterator();
  }

  @Override
  public Spliterator<E> spliterator() {
    return asList().spliterator();
  }

  @Override
  public void forEach(Consumer<? super E> action) {
    elements.forEach(action);
  }

  @Override
  public int size() {
    return elements.size();
  }

  @Override
  public boolean contains(@Nullable Object o) {
    try {

import org.codelibs.fess.helper.SuggestHelper;
import org.lastaflute.web.Execute;
import org.lastaflute.web.response.JsonResponse;

import jakarta.annotation.Resource;

/**
 * API action for admin suggest management.
 */
public class ApiAdminSuggestAction extends FessApiAdminAction {

    // ===================================================================================

      --ntasks;
      int active = 1;

      while (true) {
        Future<T> f = futureQueue.poll();
        if (f == null) {
          if (ntasks > 0) {
            --ntasks;
            futures.add(submitAndAddQueueListener(executorService, it.next(), futureQueue));
            ++active;
          } else if (active == 0) {
            break;
          } else if (timed) {

import org.lastaflute.web.Execute;
import org.lastaflute.web.response.HtmlResponse;
import org.lastaflute.web.ruts.process.ActionRuntime;
import org.lastaflute.web.validation.exception.ValidationErrorException;

/**
 * Admin action for Plugin management.
 * This class provides functionality for installing, deleting, and managing plugins in the Fess system.
 *
 */
public class AdminPluginAction extends FessAdminAction {

    /**

#### Do-stuff-later pool

Sometimes there's an action required like calling the application layer or responding to a ping, and the thread discovering the action is not the thread that should do the work. We enqueue a runnable on this executor and it gets handled by one of the executor's threads.

### Locks

import org.codelibs.fess.opensearch.config.cbean.cq.ScheduledJobCQ;
import org.codelibs.fess.opensearch.config.cbean.cq.bs.BsScheduledJobCQ;
import org.dbflute.cbean.ConditionQuery;
import org.opensearch.action.search.SearchRequestBuilder;
import org.opensearch.index.query.QueryBuilder;

/**
 * @author ESFlute (using FreeGen)
 */
public class BsScheduledJobCB extends EsAbstractConditionBean {

import org.codelibs.fess.opensearch.config.cbean.cq.WebAuthenticationCQ;
import org.codelibs.fess.opensearch.config.cbean.cq.bs.BsWebAuthenticationCQ;
import org.dbflute.cbean.ConditionQuery;
import org.opensearch.action.search.SearchRequestBuilder;
import org.opensearch.index.query.QueryBuilder;

/**
 * @author ESFlute (using FreeGen)
 */
public class BsWebAuthenticationCB extends EsAbstractConditionBean {

                    </div>
                </div>
            </div>
        </div>
        <section class="content">
            <la:form action="/admin/keymatch/">
                <la:hidden property="crudMode"/>
                <c:if test="${crudMode==2}">
                    <la:hidden property="id"/>
                    <la:hidden property="versionNo"/>

    - [Action Required](#action-required)
    - [Other notable changes](#other-notable-changes-7)
- [v1.11.2](#v1112)
  - [Downloads for v1.11.2](#downloads-for-v1112)
    - [Client Binaries](#client-binaries-8)
    - [Server Binaries](#server-binaries-8)
    - [Node Binaries](#node-binaries-8)
  - [Changelog since v1.11.1](#changelog-since-v1111)
    - [Action Required](#action-required-1)

        lock.readLock().lock();
        try {
            return handles.get(path);
        } finally {
            lock.readLock().unlock();
        }
    }

    /**
     * Get the number of active handles
     * @return the number of handles
     */
    public int getHandleCount() {
        return handles.size();
    }

    private void periodicMaintenance() {
        if (shutdown) {