return _instance;
    }

    // ===================================================================================
    //                                                                       Current DBDef
    //                                                                       =============
    @Override
    public String getProjectName() {
        return null;
    }

    @Override

    }

    /**
     * Handles search pagination and data preparation for rendering.
     *
     * @param data the render data to populate with path mapping items
     * @param form the search form containing current search criteria
     */
    protected void searchPaging(final RenderData data, final SearchForm form) {
        RenderDataUtil.register(data, "pathMappingItems", pathMappingService.getPathMappingList(pathMapPager)); // page navi

        searchRequestParamsRewriters[searchRequestParamsRewriters.length - 1] = rewriter;
    }

    /**
     * Stores current search parameters in a browser cookie for later retrieval.
     *
     * This method serializes the current request parameters, compresses them using GZIP,
     * encodes them with Base64, and stores them in a secure HTTP cookie.
     */
    public void storeSearchParameters() {

                return null;
            }
            return 0;
        }
    }

    /**
     * Creates a URL object from the current URL and a relative or absolute URL string.
     *
     * @param currentUrl the current URL as base
     * @param url the URL string to process
     * @return the URL object
     * @throws MalformedURLException if the URL is malformed
     */

        return _instance;
    }

    // ===================================================================================
    //                                                                       Current DBDef
    //                                                                       =============
    @Override
    public String getProjectName() {
        return null;
    }

    @Override

        return _instance;
    }

    // ===================================================================================
    //                                                                       Current DBDef
    //                                                                       =============
    @Override
    public String getProjectName() {
        return null;
    }

    @Override

        });
    }

    /**
     * Sets up search paging data for rendering the related content list.
     *
     * @param data the render data to populate
     * @param form the search form containing current search criteria
     */
    protected void searchPaging(final RenderData data, final SearchForm form) {

                .map(token -> ADMIN_SERVER + token)
                .orElseThrow(() -> new FessSystemException("Cannot create an access token."));
    }

    /**
     * Generates and saves a new access token for the current session.
     * The token is used to authenticate API requests.
     */
    public void saveToken() {

        return _instance;
    }

    // ===================================================================================
    //                                                                       Current DBDef
    //                                                                       =============
    @Override
    public String getProjectName() {
        return null;
    }

    @Override

        if (value <= 0) {
            logger.warn("Invalid max history messages: {}. Using default: 20", value);
            return 20;
        }
        return value;
    }

    /**
     * Gets the current number of active sessions.
     *
     * @return the number of active sessions
     */
    public int getActiveSessionCount() {
        return sessionCache.size();
    }