import org.apache.logging.log4j.Logger;
import org.codelibs.core.beans.util.BeanUtil;
import org.codelibs.core.lang.StringUtil;
import org.codelibs.fess.Constants;
import org.codelibs.fess.annotation.Secured;
import org.codelibs.fess.app.pager.KuromojiPager;
import org.codelibs.fess.app.service.KuromojiService;
import org.codelibs.fess.app.web.CrudMode;
import org.codelibs.fess.app.web.admin.dict.AdminDictAction;

import org.codelibs.fess.crawler.rule.RuleManager;
import org.codelibs.fess.crawler.service.DataService;
import org.codelibs.fess.crawler.service.UrlQueueService;

import jakarta.annotation.Resource;

/**
 * The Crawler class is the main class for web crawling. It manages the crawling process,
 * including adding URLs to the queue, filtering URLs, managing crawler threads,

        }
        return StringUtil.EMPTY;
    }

    /**
     * Gets the override configuration path from environment variable when running in Docker.
     * This allows customization of the configuration directory location in containerized deployments.
     *
     * @return an OptionalEntity containing the override configuration path if set and running in Docker,
     *         or empty OptionalEntity otherwise
     */

import org.codelibs.fess.dict.mapping.CharMappingFile;
import org.codelibs.fess.dict.mapping.CharMappingItem;
import org.codelibs.fess.mylasta.direction.FessConfig;
import org.dbflute.optional.OptionalEntity;

import jakarta.annotation.Resource;

/**
 * Service class for managing character mapping operations.
 * <p>
 * This service handles character mapping management including CRUD operations

import org.codelibs.fess.opensearch.config.exentity.JobLog;
import org.codelibs.fess.util.ComponentUtil;
import org.dbflute.cbean.result.PagingResultBean;
import org.dbflute.optional.OptionalEntity;

import jakarta.annotation.Resource;

/**
 * Service class for managing job logs in the Fess application.
 * Provides functionality to create, read, update, and delete job log entries,
 * as well as manage job status and perform cleanup operations.

import org.codelibs.fess.mylasta.direction.FessConfig;
import org.codelibs.fess.util.ComponentUtil;
import org.codelibs.fess.util.DocumentUtil;
import org.opensearch.script.Script;

import jakarta.annotation.PostConstruct;

/**
 * Helper class for language detection.
 */
public class LanguageHelper {
    private static final Logger logger = LogManager.getLogger(LanguageHelper.class);

import org.lastaflute.di.core.factory.SingletonLaContainerFactory;
import org.lastaflute.web.util.LaRequestUtil;
import org.lastaflute.web.util.LaResponseUtil;

import jakarta.annotation.PostConstruct;
import jakarta.annotation.PreDestroy;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;

/**

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.codelibs.core.lang.StringUtil;
import org.codelibs.core.net.URLUtil;
import org.codelibs.fess.Constants;
import org.codelibs.fess.annotation.Secured;
import org.codelibs.fess.app.web.CrudMode;
import org.codelibs.fess.app.web.base.FessAdminAction;
import org.codelibs.fess.entity.SearchRenderData;
import org.codelibs.fess.exception.InvalidQueryException;

import org.lastaflute.web.response.ActionResponse;
import org.lastaflute.web.ruts.process.ActionRuntime;
import org.lastaflute.web.util.LaServletContextUtil;
import org.lastaflute.web.validation.VaErrorHook;

import jakarta.annotation.Resource;
import jakarta.servlet.ServletContext;

/**
 * Base action class for admin pages in Fess.
 * <p>
 * This abstract class provides common functionality for all admin actions,

import org.codelibs.fess.opensearch.config.exentity.FileConfig;
import org.codelibs.fess.util.ComponentUtil;
import org.lastaflute.web.Execute;
import org.lastaflute.web.response.JsonResponse;

import jakarta.annotation.Resource;

/**
 * API action for admin file configuration management.
 * Provides RESTful API endpoints for managing file crawling configuration settings in the Fess search engine.