/**
     * The multipart file containing bad words to be uploaded.
     * This file should contain a list of words that will be filtered from search results.
     */
    @Required
    public MultipartFormFile badWordFile;

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

            try (Reader reader = new BufferedReader(new InputStreamReader(form.badWordFile.getInputStream(), getCsvEncoding()))) {
                badWordService.importCsv(reader);
                suggestHelper.storeAllBadWords(false);
            } catch (final Exception e) {
                throw new FessSystemException("Failed to import bad word data: fileName=" + form.badWordFile.getFileName(), e);
            }
        });

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