**Implementation Details**

See the GSA parser implementation: [GsaConfigParser.java](/src/main/java/org/codelibs/fess/util/GsaConfigParser.java)

#### API Compatibility Mode

    //                                               Details
    //                                               -------
    /**
     * Displays the details of a user.
     *
     * @param crudMode the CRUD mode for the operation
     * @param id the ID of the user to display
     * @return HTML response for the user details page
     */
    @Execute
    @Secured({ ROLE, ROLE + VIEW })

    /**
     * Sets the OpenSearch runner for embedded mode.
     *
     * @param runner the OpenSearch runner instance
     */
    public void setRunner(final OpenSearchRunner runner) {
        this.runner = runner;
    }

    /**
     * Checks if the search engine is running in embedded mode.
     *
     * @return true if running in embedded mode, false otherwise
     */
    public boolean isEmbedded() {

# Target name for the scheduler.
scheduler.target.name=
# Job class for the scheduler.
scheduler.job.class=org.codelibs.fess.app.job.ScriptExecutorJob
# Mode for concurrent execution in the scheduler.
scheduler.concurrent.exec.mode=QUIT
# Interval for scheduler monitoring.
scheduler.monitor.interval=30

# ----------------------------------------------------------

            // * if autoapply is enabled, and an end date was chosen, apply the selection
            // * if single date picker mode, and time picker isn't enabled, apply the selection immediately
            // * if one of the inputs above the calendars was focused, cancel that manual input
            //

    }

    /**
     * Generates thumbnails using the provided executor service.
     *
     * @param executorService the executor service for parallel processing
     * @param cleanup whether to run in cleanup mode
     * @return the number of tasks processed
     */
    public int generate(final ExecutorService executorService, final boolean cleanup) {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();

    /** The key of the message: Crawler */
    public static final String LABELS_CRAWLER = "{labels.crawler}";

    /** The key of the message: Mode */
    public static final String LABELS_CRUD_MODE = "{labels.crudMode}";

    /** The key of the message: Max Error Count */
    public static final String LABELS_ERROR_COUNT_MAX = "{labels.errorCountMax}";

    "number_of_shards": 1,
    "number_of_replicas": 0,
    "auto_expand_replicas": "0-1"
  },
  "analysis" : {
    "tokenizer" : {
      "fess_japanese_normal" : {
        "type" : "fess_japanese_tokenizer",
        "mode" : "normal",
        "discard_punctuation" : "false"
      },
      "fess_korean_normal": {
        "type": "fess_korean_tokenizer",
        "decompound_mode": "mixed",

                return "_primary_term";
            }
        });

        final AdminSearchlistAction action = new AdminSearchlistAction();

        // Empty doc (create mode) — no custom fields in document
        final CreateForm form = new CreateForm();
        form.doc = new HashMap<>();

     */
    String getSchedulerJobClass();

    /**
     * Get the value for the key 'scheduler.concurrent.exec.mode'. <br>
     * The value is, e.g. QUIT <br>
     * comment: Mode for concurrent execution in the scheduler.
     * @return The value of found property. (NotNull: if not found, exception but basically no way)
     */