return (ServerMessageBlock2Request<?>) super.getNext();
    }


    /**
     * {@inheritDoc}
     *
     * @see jcifs.util.transport.Request#isCancel()
     */
    @Override
    public boolean isCancel () {
        return false;
    }


    /**
     * {@inheritDoc}
     *
     * @see jcifs.internal.CommonServerMessageBlockRequest#isResponseAsync()
     */
    @Override

        super(config, SMB_COM_NT_CANCEL);
        setMid(mid);
    }


    /**
     * {@inheritDoc}
     *
     * @see jcifs.internal.smb1.ServerMessageBlock#isCancel()
     */
    @Override
    public boolean isCancel () {
        return true;
    }


    /**
     * {@inheritDoc}
     *
     * @see jcifs.internal.smb1.ServerMessageBlock#writeParameterWordsWireFormat(byte[], int)
     */

    @Override
    public void setTid ( int t ) {
        setTreeId(t);
    }


    /**
     * {@inheritDoc}
     *
     * @see jcifs.util.transport.Request#isCancel()
     */
    @Override
    public boolean isCancel () {
        return true;
    }


    /**
     * {@inheritDoc}
     *
     * @see jcifs.internal.CommonServerMessageBlockRequest#size()
     */
    @Override

    int getCreditCost ();


    /**
     * @param credits
     */
    void setRequestCredits ( int credits );


    /**
     * @return whether this is a cancel request
     */
    boolean isCancel ();


    /**
     * @return chained request
     */
    Request getNext ();


    /**
     * @return the response for this request
     */
    Response getResponse ();

        }
        this.response = (ServerMessageBlock) response;
    }


    /**
     * {@inheritDoc}
     *
     * @see jcifs.util.transport.Request#isCancel()
     */
    @Override
    public boolean isCancel () {
        return false;
    }


    /**
     * @return the mid
     */
    @Override
    public final long getMid () {
        return this.mid;
    }

        }

        try {
            if ( log.isTraceEnabled() ) {
                log.trace("Sending " + request);
            }
            if ( request.isCancel() ) {
                doSend0(request);
                return null;
            }
            else if ( request instanceof SmbComTransaction ) {