public Integer purgeUserInfoDay;

    /**
     * Bot user agents whose search logs should be purged.
     * Search logs from these bots will be automatically removed.
     */
    @Size(max = 10000)
    public String purgeByBots;

    /**
     * Email addresses to receive system notifications.
     * Multiple addresses can be specified, separated by commas.
     */
    @Size(max = 1000)
    public String notificationTo;

        protected StemmerOverrideItem item;

        /**
         * Constructs a new updater for a stemmer override item.
         *
         * @param newItem The item to be added or updated.
         * @throws DictionaryException if the temporary file cannot be created.
         */
        protected StemmerOverrideUpdater(final StemmerOverrideItem newItem) {
            FileOutputStream fos = null;
            try {

There are 2 ways to try Fess. The first is to download and install yourself. The second is to use [Docker](https://www.docker.com/products/docker-engine).

### Download and Install/Run

Fess 15.3 is now available and can be downloaded on the [Releases page](https://github.com/codelibs/fess/releases "download"). Downloads come in 3 flavors: deb, rpm, zip.

The following commands show how to use the zip download:

    $ unzip fess-15.3.x.zip

/**
 * Character mapping file handler for managing character mapping dictionaries.
 * This class provides functionality to load, parse, and manage character mapping
 * rules that define how input characters should be transformed to output characters
 * during text analysis and search processing.
 *
 * Character mapping files contain mapping rules in the format:
 * input1,input2,... => output
 */

    /** A map of design JSP file names. */
    protected final Map<String, String> designJspFileNameMap = new LinkedHashMap<>();

    /** A flag to indicate if the system should be forcefully stopped. */
    protected final AtomicBoolean forceStop = new AtomicBoolean(false);

    /** A cache for language items. */
    protected LoadingCache<String, List<Map<String, String>>> langItemsCache;

     * This method defers the retrieval of nested group information to avoid login delays.
     * @param user The Entra ID user.
     * @param initialGroups The initial group list to be updated.
     * @param initialRoles The initial role list to be updated.
     * @param groupIds The list of group IDs to lookup parent groups for.
     */

            }

            // SECURITY WARNING: JWT signature validation is not implemented.
            // This is a critical security vulnerability. The ID token should be validated
            // to ensure it was issued by the expected OpenID Connect provider and has not been tampered with.
            // TODO: Implement JWT signature validation using the provider's public key

 * For production or when the IdP is configured with a different URL, you should
 * set one of the following:</p>
 *
 * <h3>Option 1: Set base URL (recommended for simplicity)</h3>
 * <pre>
 * # All SP URLs will be derived from this base URL
 * saml.sp.base.url=https://your-fess-server.example.com
 * </pre>
 *
 * <h3>Option 2: Set individual SP URLs</h3>
 * <pre>
 * # SP Entity ID (Audience URI in IdP)

            return bos.toByteArray();
        } catch (final IOException e) {
            throw new IORuntimeException(e);
        }
    }

    /**
     * Determines if the search parameter cookie should be secure based on configuration and request.
     *
     * @param request The HTTP request
     * @return true if the cookie should have the secure flag set
     */

 * </ul>
 */
public class Constants extends CoreLibConstants {

    /**
     * Private constructor to prevent instantiation of this utility class.
     * This class contains only static constants and should not be instantiated.
     */
    private Constants() {
        // Utility class - no instantiation
    }

    // ============================================================
    // System and UI Constants