* Validates document fields and adds default values where necessary.
     *
     * @param body the bulk request body containing documents to process
     * @return JSON response with bulk operation results
     */
    // PUT /api/admin/documents/bulk
    @Execute
    public JsonResponse<ApiResult> put$bulk(final BulkBody body) {
        validateApi(body, messages -> {});

    // Web API Property Keys
    // ============================================================

    /** Property key for JSON web API configuration. */
    public static final String WEB_API_JSON_PROPERTY = "web.api.json";

    /** Property key for suggest web API configuration. */
    public static final String WEB_API_SUGGEST_PROPERTY = "web.api.suggest";

        try {
            final String source = readIndexSetting(fesenType, indexConfigFile, numberOfShards, autoExpandReplicas);
            final CreateIndexResponse indexResponse = client.admin()
                    .indices()
                    .prepareCreate(indexName)
                    .setSource(source, XContentType.JSON)
                    .execute()

    }

    // ========== detectIntent with history (integration-like) ==========

    @Test
    public void test_detectIntent_withHistory_usesStructuredMessages() {
        // Set up chat to return a valid JSON response
        client.setChatResponse("{\"intent\":\"search\",\"query\":\"Fess Docker\",\"reasoning\":\"Follow-up about Docker\"}");

        final List<LlmMessage> history = new ArrayList<>();

    //                                                                      ==============

    /**
     * Retrieves system statistics including JVM, OS, process, engine, and filesystem information.
     *
     * @return JSON response containing system statistics
     */
    // GET /api/admin/stats
    @Execute
    public JsonResponse<ApiResult> index() {
        final HashMap<String, Object> stats = new HashMap<>();

    public String userSessionId;

    /** Time range filter for search logs (format: "yyyy-MM-dd HH:mm - yyyy-MM-dd HH:mm"). */
    public String requestedTimeRange;

    /** Access type filter for search logs (web, json, gsa, admin, other). */
    public String accessType;

    /**
     * Default constructor for creating a new SearchLogPager instance.
     */
    public SearchLogPager() {
        // Default constructor

                writeFesenCat(zos, diagnosticId);
                writeFesenJson(zos, diagnosticId);
            }
        });
    }

    /**
     * Writes OpenSearch JSON API responses to the ZIP output stream.
     *
     * @param zos the ZIP output stream to write to
     * @param id the diagnostic ID for organizing files in the ZIP
     */

        assertNotNull(encoded);
        byte[] compressed = Base64.getUrlDecoder().decode(encoded);
        byte[] jsonBytes = searchHelper.gzipDecompress(compressed);
        String json = new String(jsonBytes);
        assertTrue(json.contains("q"));
        assertTrue(json.contains("lang"));
    }

    @Test
    public void test_store_and_getSearchParameters() {
        getMockRequest().setParameter("q", "test");

    }

    /**
     * Processes search preferences specifically for JSON API requests.
     * This method determines the preference value based on configuration and query content.
     *
     * @param req the HTTP servlet request
     * @param query the search query string
     * @return the preference value for JSON search requests, or null if not applicable
     */

    }

    @Test
    public void test_exceptionWithSpecialCharactersInMessage() {
        // Test with special characters in message
        int statusCode = 400;
        String message = "Error: \"Invalid JSON\" - {key: 'value'} \n\t@#$%^&*()";

        WebApiException exception = new WebApiException(statusCode, message);

        assertEquals(statusCode, exception.getStatusCode());