*/
    @Override
    public String toString() {
        return "MappingFile [path=" + path + ", mappingItemList=" + mappingItemList + ", id=" + id + "]";
    }

    /**
     * Inner class for handling updates to the character mapping file.
     * This class manages the temporary file creation, writing operations,
     * and atomic updates to ensure data consistency during modifications.
     */

import org.opensearch.index.query.QueryBuilders;

import com.fasterxml.jackson.databind.ObjectMapper;

import jakarta.servlet.http.Cookie;
import jakarta.servlet.http.HttpServletRequest;

/**
 * Helper class for handling search operations in Fess.
 *
 * This class provides comprehensive search functionality including document search,
 * scroll search, and bulk operations. It handles search request parameter processing,

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

/**
 * Helper class for system-level operations and utilities.
 * This class provides methods for managing system properties, handling JSP files,
 * normalizing configurations, and other system-related tasks.
 */
public class SystemHelper {

    /**
     * Constructs a new system helper.
     */
    public SystemHelper() {