final List<String> roleTypeList = new ArrayList<>();
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        if (fessConfig.isFileRoleFromFile() && responseData.getUrl().startsWith("file:")) {
            final Map<String, Object> metaDataMap = responseData.getMetaDataMap();

                        return true;
                    }
                    final PermissionHelper permissionHelper = ComponentUtil.getPermissionHelper();
                    if (fessConfig.isSmbRoleFromFile() || fessConfig.isFileRoleFromFile() || fessConfig.isFtpRoleFromFile()) {
                        // head method
                        responseData = client.execute(RequestDataBuilder.newRequestData().head().url(url).build());

     * The value is, e.g. true <br>
     * @return The determination, true or false. (if not found, exception but basically no way)
     */
    boolean isFileRoleFromFile();

    /**
     * Get the value for the key 'ftp.role.from.file'. <br>
     * The value is, e.g. true <br>
     * @return The value of found property. (NotNull: if not found, exception but basically no way)