if (StringUtil.isNotBlank(url)) {
                        final Set<String> labelSet = labelTypeHelper.getMatchedLabelValueSet(url);
                        final Script script = languageHelper.createScript(doc, "ctx._source." + fessConfig.getIndexFieldLabel()
                                + "=new String[]{" + labelSet.stream().map(s -> "\"" + s + "\"").collect(Collectors.joining(",")) + "}");

     * Creates a script for updating a document with language information.
     *
     * @param doc The document.
     * @param code The script code.
     * @return The script.
     */
    public Script createScript(final Map<String, Object> doc, final String code) {
        final StringBuilder buf = new StringBuilder(100);
        buf.append(code);
        final FessConfig fessConfig = ComponentUtil.getFessConfig();