*/
    protected boolean isExpired(final ChatSession session) {
        final int timeoutMinutes = getSessionTimeoutMinutes();
        final LocalDateTime expirationTime = session.getLastAccessedAt().plusMinutes(timeoutMinutes);
        return LocalDateTime.now().isAfter(expirationTime);
    }

    /**
     * Gets the session timeout in minutes.
     *
     * @return the session timeout in minutes
     */