long timeout = getResponseTimeout(req);
                if (!params.contains(RequestParam.NO_TIMEOUT)) {
                    resp.setExpiration(System.currentTimeMillis() + timeout);
                } else {
                    resp.setExpiration(null);
                }

                final byte[] txbuf = getContext().getBufferCache().getBuffer();
                resp.setBuffer(txbuf);

            final long now = ComponentUtil.getSystemHelper().getCurrentTimeAsLong();
            states.entrySet()
                    .stream()
                    .filter(e -> (now - e.getValue().getExpiration()) / 1000L > getStateTtl())
                    .map(Map.Entry::getKey)
                    .collect(Collectors.toList())
                    .forEach(s -> {
                        if (logger.isDebugEnabled()) {

     * @return this session's UID
     */
    public int getUid() {
        return this.uid;
    }

    /**
     * @return this session's expiration time
     */
    public Long getExpiration() {
        return this.expiration > 0 ? this.expiration : null;
    }

    /**
     * @return this session's credentials
     */
    public CredentialsInternal getCredentials() {