*
     * @param body the general settings data to update
     * @return JSON response with update status
     */
    @Execute
    public JsonResponse<ApiResult> put$index(final EditBody body) {
        validateApi(body, messages -> {});
        final EditBody newBody = new EditBody();
        AdminGeneralAction.updateForm(fessConfig, newBody);

        final SearchEngineClient client = new SearchEngineClient() {
            @Override
            public boolean update(final String index, final String id, final String field, final Object value) {
                resultMap.put("index", index);
                resultMap.put("id", id);
                resultMap.put("field", field);
                resultMap.put("value", value.toString());
                return true;
            }
        };