}
        return OptionalEntity.of(list.get(0));
    }

    /**
     * Stores (inserts or updates) a data configuration.
     *
     * <p>This method encrypts sensitive handler parameters before storing
     * and immediately refreshes the index to ensure the change is visible.
     * If the configuration already exists (based on ID), it will be updated;
     * otherwise, a new configuration will be created.</p>
     *

          "type":       "keyword_marker",
          "keywords_path": "${fess.dictionary.path}ckb-iq/protwords.txt"
        },
        "sorani_stemmer": {
          "type":       "stemmer",
          "language":   "sorani"
        },
        "sorani_override": {
          "type":       "stemmer_override",
          "rules_path": "${fess.dictionary.path}ckb-iq/stemmer_override.txt"
        },
        "spanish_stop": {

        // Test commit after concurrent operations
        callback.commit();
    }

    @Test
    public void test_store_with_various_data_types() {
        // Test storing various data types
        final AtomicInteger callCount = new AtomicInteger(0);

        IndexUpdateCallback callback = new IndexUpdateCallback() {
            @Override

    private static final Pattern EMAIL_ADDRESS_PATTERN =
            Pattern.compile("[A-Z0-9._%+-]+@[A-Z0-9.-]+\\.[A-Z]{2,6}", Pattern.CASE_INSENSITIVE);

    /**
     * Cache for storing resource file modification timestamps to enable cache busting.
     * The cache expires after 10 minutes and has a maximum size of 1000 entries.
     */
    private static LoadingCache<String, Long> resourceHashCache =

     */
    public RelatedContentHelper() {
        super();
    }

    private static final Logger logger = LogManager.getLogger(RelatedContentHelper.class);

    /**
     * Cache map storing related content configurations organized by virtual host key.
     * The outer map key is the virtual host key, and the value is a pair containing:
     * - First: Map of exact term matches (term -> content)

    /** Request attribute key for storing queries. */
    public static final String REQUEST_QUERIES = "fess.Queries";

    /** Request attribute key for storing highlight queries. */
    public static final String HIGHLIGHT_QUERIES = "fess.HighlightQueries";

    /** Request attribute key for storing field logs. */
    public static final String FIELD_LOGS = "fess.FieldLogs";

    /**
     * Logger instance for this class.
     */
    protected static final Logger logger = LogManager.getLogger(ThumbnailManager.class);

    /**
     * Base directory for storing thumbnail files.
     */
    protected File baseDir;

    /**
     * List of available thumbnail generators.
     */
    protected final List<ThumbnailGenerator> generatorList = new ArrayList<>();

    /**

        }
    }

    /**
     * Stores a child URL in the crawling queue with duplicate host handling.
     * This method applies duplicate host conversion before storing the URL.
     *
     * @param childUrl the child URL to store
     * @param parentUrl the parent URL that referenced this child URL
     * @param weight the weight/priority of the child URL

    /** Flag indicating whether to process Google on/off comments */
    protected boolean useGoogleOffOn = true;

    /** Map storing field pruning rules */
    protected Map<String, Boolean> fieldPrunedRuleMap = new HashMap<>();

    /** Cache for storing parsed pruned tags by configuration ID */
    protected Map<String, PrunedTag[]> prunedTagsCache = new HashMap<>();

    /**
     * Default constructor.

 */
public class UserInfoHelper {

    /**
     * Default constructor for UserInfoHelper.
     */
    public UserInfoHelper() {
        // Default constructor
    }

    /** The session attribute key for storing user bean information */
    protected static final String USER_BEAN = "lastaflute.action.USER_BEAN.FessUserBean";

    /** The maximum size of the result document IDs cache */
    protected int resultDocIdsCacheSize = 20;