* This file should contain definitions for words or documents that should be elevated in search results.
     */
    @Required
    public MultipartFormFile elevateWordFile;

    /**
     * Default constructor for UploadForm.
     * Creates a new instance with default values.
     */
    public UploadForm() {
        // Default constructor
    }

        validate(form, messages -> {}, this::asUploadHtml);
        verifyToken(this::asUploadHtml);
        CommonPoolUtil.execute(() -> {
            try (Reader reader = new BufferedReader(new InputStreamReader(form.elevateWordFile.getInputStream(), getCsvEncoding()))) {
                elevateWordService.importCsv(reader);
                suggestHelper.deleteAllElevateWord(false);
                suggestHelper.storeAllElevateWords(false);

        validateApi(body, messages -> {});
        CommonPoolUtil.execute(() -> {
            try (Reader reader = new BufferedReader(new InputStreamReader(body.elevateWordFile.getInputStream(), getCsvEncoding()))) {
                elevateWordService.importCsv(reader);
                suggestHelper.storeAllElevateWords(false);
            } catch (final Exception e) {