}
        if (config.getType() == CredentialsConfig.CredentialsType.NTLM) {
            return new NTCredentials(config.getUsername(), config.getPassword(), config.getWorkstation(), config.getDomain());
        }
        return new UsernamePasswordCredentials(config.getUsername(), config.getPassword());
    }

     */
    protected String getUserId(final HttpServletRequest request) {
        final SystemHelper systemHelper = ComponentUtil.getSystemHelper();
        final String username = systemHelper.getUsername();
        if (!org.codelibs.fess.Constants.GUEST_USER.equals(username)) {
            return username;
        }
        // For guest users, use cookie-based userCode for session identification

        systemHelper.addShutdownHook(() -> {});
        ComponentUtil.register(systemHelper, "systemHelper");
    }

    @Test
    public void test_getUsername() {
        assertEquals("guest", systemHelper.getUsername());
    }

    @Test
    public void test_getCurrentTimeAsLocalDateTime() {
        final long current =