*/
    private SearchEngineUtil() {
    }

    /**
     * Creates an OutputStream from an XContentBuilder using the provided callback function.
     *
     * @param func the callback function to build XContent
     * @param mediaType the media type for the content builder
     * @return an OutputStream containing the built content, or an empty ByteArrayOutputStream if an error occurs
     */

     *
     * @param documentList The list of documents returned by the search
     * @param allRecordCount The total number of matching records
     * @param allRecordCountRelation The relation type for the record count
     * @param queryTime The time taken to execute the query in milliseconds
     * @param partialResults Whether the results are partial
     * @param facetResponse The facet response containing aggregated data

    /**
     * Adds an elevate word to the suggest index.
     *
     * @param word        The elevate word.
     * @param reading     The reading of the word.
     * @param tags        The tags associated with the word.
     * @param permissions The permissions for the word.
     * @param boost       The boost value for the word.
     * @param apply       true to apply the changes immediately.
     */

    List<CharMappingItem> mappingItemList;

    /**
     * Constructs a new CharMappingFile instance.
     *
     * @param id the unique identifier for this mapping file
     * @param path the file path to the character mapping dictionary
     * @param timestamp the last modification timestamp of the file
     */
    public CharMappingFile(final String id, final String path, final Date timestamp) {

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

    /**
     * Performs a search operation using the specified query and parameters.
     *
     * @param query the search query string
     * @param params the search request parameters
     * @param userBean the optional user bean for access control
     * @return the search result containing documents and metadata
     */
    @Override

     *
     * @param sessionId the session ID
     */
    public void setSessionId(final String sessionId) {
        this.sessionId = sessionId;
    }

    /**
     * Gets the user ID.
     *
     * @return the user ID
     */
    public String getUserId() {
        return userId;
    }

    /**
     * Sets the user ID.
     *
     * @param userId the user ID
     */

     *
     * @param message the detail message describing the exception
     * @param cause the cause of this exception
     */
    public FessSystemException(final String message, final Throwable cause) {
        super(message, cause);
    }

    /**
     * Constructs a new FessSystemException with the specified detail message.
     *
     * @param message the detail message describing the exception

     * Sets the name and expiration time based on the provided parameters.
     *
     * @param sessionId the session ID to update
     * @param name the name to set for the crawling session (uses system name if blank)
     * @param dayForCleanup number of days until cleanup (sets expiration if >= 0)
     * @throws FessSystemException if unable to store the updated crawling session
     */

     * @return the reasoning
     */
    public String getReasoning() {
        return reasoning;
    }

    /**
     * Creates a search intent result with a Fess query.
     *
     * @param query the Fess query string
     * @param reasoning the detection reasoning
     * @return the search intent result
     */
    public static IntentDetectionResult search(final String query, final String reasoning) {

    /** Line feed character for message formatting. */
    protected static final char LF = '\n';

    /**
     * Sends notifications to configured platforms.
     *
     * @param cardView the card view for the notification
     * @param discloser the mail posting discloser
     */
    public void send(final CardView cardView, final SMailPostingDiscloser discloser) {
        sendToSlack(cardView, discloser);