public ActionResponse download(final String id) {
        final PathInfo pi = convertToItem(id);
        if (StringUtil.isEmpty(pi.getName())) {
            throwValidationError(messages -> messages.addErrorsStorageFileNotFound(GLOBAL), () -> asListHtml(encodeId(pi.getPath())));
        }
        final StreamResponse response = new StreamResponse(StringUtil.EMPTY);
        final String name = pi.getName();

     * </pre>
     * @param property The property name for the message. (NotNull)
     * @return this. (NotNull)
     */
    public FessMessages addErrorsStorageFileNotFound(String property) {
        assertPropertyNotNull(property);
        add(property, new UserMessage(ERRORS_storage_file_not_found));
        return this;
    }

    /**