}
        };
        crawler.dataIndexHelper = dataIndexHelper;

        pathMappingService = new PathMappingService() {
            @Override
            public List<org.codelibs.fess.opensearch.config.exentity.PathMapping> getPathMappingList(java.util.Collection<String> ptList) {
                return new ArrayList<>();
            }
        };
        crawler.pathMappingService = pathMappingService;

import java.util.HashSet;
import java.util.Set;

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.codelibs.core.lang.StringUtil;
import org.codelibs.fess.entity.FessUser;
import org.codelibs.fess.helper.SystemHelper;
import org.codelibs.fess.sso.entraid.EntraIdAuthenticator;
import org.codelibs.fess.util.ComponentUtil;
import org.lastaflute.web.login.credential.LoginCredential;

    # /- - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
    # o isEntityConvertEmptyStringToNull: (NotRequired - Default false)
    #   [true]
    #     Convert empty-string data to null in entity.
    #
    #; isEntityConvertEmptyStringToNull = false
    # - - - - - - - - - -/

    # /- - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
    # o isTableDispNameUpperCase: (NotRequired - Default false)

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
 * either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.entity;

import java.time.LocalDateTime;
import java.util.ArrayList;
import java.util.List;
import java.util.UUID;
import java.util.concurrent.CopyOnWriteArrayList;

/**

import org.apache.logging.log4j.Logger;
import org.apache.lucene.index.Term;
import org.apache.lucene.search.FuzzyQuery;
import org.apache.lucene.search.Query;
import org.codelibs.fess.Constants;
import org.codelibs.fess.entity.QueryContext;
import org.codelibs.fess.exception.InvalidQueryException;
import org.codelibs.fess.mylasta.direction.FessConfig;
import org.codelibs.fess.util.ComponentUtil;
import org.lastaflute.core.message.UserMessages;

import static org.junit.Assert.assertTrue;

import java.util.ArrayList;
import java.util.List;

import org.codelibs.fess.suggest.constants.SuggestConstants;
import org.codelibs.fess.suggest.entity.SuggestItem;
import org.junit.Test;

public class PopularWordsResponseTest {

    @Test
    public void test_constructor() throws Exception {
        List<String> words = new ArrayList<>();

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.apache.lucene.search.PrefixQuery;
import org.apache.lucene.search.Query;
import org.codelibs.fess.Constants;
import org.codelibs.fess.entity.QueryContext;
import org.codelibs.fess.exception.InvalidQueryException;
import org.codelibs.fess.mylasta.direction.FessConfig;
import org.codelibs.fess.util.ComponentUtil;
import org.lastaflute.core.message.UserMessages;

- [ ] Install compatible OpenSearch/Elasticsearch
- [ ] Backup current search system configuration
- [ ] Backup current search indices/documents
- [ ] Document current API endpoints and integrations
- [ ] Identify custom search features to replicate

### Configuration Migration

- [ ] Export current search configurations
- [ ] Import GSA XML config (if applicable)
- [ ] Create Web crawling configurations

    }
  }

  /**
   * Using this as the blocker object allows introspection and debugging tools to see that the
   * currentRunner thread is blocked on the progress of the interruptor thread, which can help
   * identify deadlocks.
   */
  @VisibleForTesting
  static final class Blocker extends AbstractOwnableSynchronizer implements Runnable {
    private final InterruptibleTask<?> task;

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.codelibs.core.timer.TimeoutManager;
import org.codelibs.core.timer.TimeoutTask;
import org.codelibs.fess.entity.ChatMessage;
import org.codelibs.fess.entity.ChatSession;
import org.codelibs.fess.util.ComponentUtil;

import jakarta.annotation.PostConstruct;
import jakarta.annotation.PreDestroy;

/**
 * Manager class for chat sessions.