public OptionalEntity<RelatedContent> getRelatedContent(final String id) {
        return relatedContentBhv.selectByPK(id);
    }

    /**
     * Stores (inserts or updates) a related content entity.
     * After storing, updates the related content helper to refresh the cache.
     *
     * @param relatedContent the RelatedContent entity to store
     */
    public void store(final RelatedContent relatedContent) {

    public OptionalEntity<RelatedQuery> getRelatedQuery(final String id) {
        return relatedQueryBhv.selectByPK(id);
    }

    /**
     * Stores (inserts or updates) a related query in the database.
     * After storing, the related query helper is updated to refresh the cache.
     *
     * @param relatedQuery the RelatedQuery entity to store
     */
    public void store(final RelatedQuery relatedQuery) {

    public UserAgentHelper() {
        // Default constructor
    }

    /** The HTTP header name for User-Agent */
    protected static final String USER_AGENT = "user-agent";

    /** The request attribute key for storing cached user agent type */
    protected static final String USER_AGENT_TYPE = "ViewHelper.UserAgent";

    /**
     * Determines the user agent type from the current HTTP request.

    protected List<String> contentFieldList;

    /** The popular word helper for handling popular words. */
    protected PopularWordHelper popularWordHelper = null;

    /** The interval for storing search logs. */
    protected long searchStoreInterval = 1; // min

    /**
     * Initializes the SuggestHelper.
     * This method sets up the suggester, configures field names, and initializes

    protected int userInfoCacheSize = 10000;

    /** Queue for storing search logs. */
    protected Queue<SearchLog> searchLogQueue = new ConcurrentLinkedQueue<>();

    /** Queue for storing click logs. */
    protected Queue<ClickLog> clickLogQueue = new ConcurrentLinkedQueue<>();

    /** Cache for storing user information. */
    protected LoadingCache<String, UserInfo> userInfoCache;

import org.codelibs.core.exception.FileAccessException;
import org.codelibs.core.exception.IORuntimeException;

/**
 * The {@code DynamicProperties} class extends {@link Properties} to provide dynamic
 * loading and storing of properties from a file. It monitors the file for changes
 * and reloads the properties if the file is updated. This class is thread-safe and
 * ensures that the properties are always up-to-date.
 *
 * <p>Key Features:

import jakarta.annotation.Resource;

/**
 * Service class for managing web authentication configurations.
 * Provides CRUD operations for web authentication settings including
 * listing, retrieving, storing, and deleting authentication configurations.
 */
public class WebAuthenticationService {

    /**
     * Default constructor.
     */
    public WebAuthenticationService() {
        // Default constructor

import org.dbflute.optional.OptionalEntity;

import jakarta.annotation.Resource;

/**
 * Service for managing stopwords.
 * This class provides methods to interact with stopwords dictionaries,
 * including retrieving, storing, and deleting stopwords.
 */
public class StopwordsService {
    /** The dictionary manager for accessing dictionary files. */
    @Resource
    protected DictionaryManager dictionaryManager;

import org.dbflute.optional.OptionalEntity;

import jakarta.annotation.Resource;

/**
 * Service for managing synonyms.
 * This class provides methods to interact with synonym dictionaries,
 * including retrieving, storing, and deleting synonyms.
 */
public class SynonymService {
    /** The dictionary manager for accessing dictionary files. */
    @Resource
    protected DictionaryManager dictionaryManager;

 * implementations during crawling operations, allowing for flexible parameter
 * handling without tight coupling to specific parameter schemas.</p>
 */
public class DataStoreParams {

    /**
     * Internal map storing parameter key-value pairs.
     * Uses ParamMap for automatic case format conversion between camelCase and snake_case.
     */
    protected final Map<String, Object> params;

    /**