@Override
    public void setExpiration ( Long exp ) {
        this.expiration = exp;
    }


    /**
     * @return whether the interim response has been handled
     */
    public boolean isAsyncHandled () {
        return this.asyncHandled;
    }


    /**
     * @param asyncHandled
     *            the asyncHandled to set
     */
    public void setAsyncHandled ( boolean asyncHandled ) {

        ServerMessageBlock2Response resp = (ServerMessageBlock2Response) response;
        synchronized ( resp ) {
            if ( resp.isAsync() && !resp.isAsyncHandled() && resp.getStatus() == NtStatus.NT_STATUS_PENDING && resp.getAsyncId() != 0 ) {
                resp.setAsyncHandled(true);
                boolean first = !req.isAsync();