@Override
    public int encode ( byte[] dst, int dstIndex ) {
        int len = super.encode(dst, dstIndex);
        int exp = size();
        int actual = getLength();
        if ( exp != actual ) {
            throw new IllegalStateException(String.format("Wrong size calculation have %d expect %d", exp, actual));
        }
        return len;
    }


    /**
     * {@inheritDoc}
     *

    }


    /**
     * {@inheritDoc}
     *
     * @see jcifs.util.transport.Response#setExpiration(java.lang.Long)
     */
    @Override
    public void setExpiration ( Long exp ) {
        this.expiration = exp;
    }


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

    void error ();


    /**
     * 
     * @return the message timeout
     */
    Long getExpiration ();


    /**
     * 
     * @param exp
     *            message timeout
     */
    void setExpiration ( Long exp );


    /**
     * 
     */
    public void reset ();


    /**
     * 
     * @return an exception linked to an error
     */

    }


    /**
     * {@inheritDoc}
     *
     * @see jcifs.util.transport.Response#setExpiration(java.lang.Long)
     */
    @Override
    public void setExpiration ( Long exp ) {
        this.expiration = exp;
    }


    /**
     * @return the config
     */
    protected final Configuration getConfig () {
        return this.config;
    }


    /**
     * 

                resp.setAsyncHandled(true);
                boolean first = !req.isAsync();
                req.setAsyncId(resp.getAsyncId());
                Long exp = resp.getExpiration();
                if ( exp != null ) {
                    resp.setExpiration(System.currentTimeMillis() + getResponseTimeout(request));
                }
                if ( log.isDebugEnabled() ) {