public CommonServerMessageBlockRequest createCancel() {
        return null;
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.util.transport.Request#setRequestCredits(int)
     */
    @Override
    public void setRequestCredits(final int credits) {
        setCredit(credits);
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.internal.CommonServerMessageBlockRequest#setTid(int)

     */
    @Override
    public int getCreditCost() {
        return 1;
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.util.transport.Request#setRequestCredits(int)
     */
    @Override
    public void setRequestCredits(final int credits) {
        setCredit(credits);
    }

    /**
     * {@inheritDoc}
     *

    @Override
    public int getGrantedCredits() {
        return 1;
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.util.transport.Request#setRequestCredits(int)
     */
    @Override
    public void setRequestCredits(final int credits) {

    }

    /**
     * @return the command
     */
    @Override
    public final int getCommand() {
        return this.command;

        Smb2NegotiateResponse r = null;
        byte[] negoReqBuffer = null;
        byte[] negoRespBuffer = null;
        try {
            smb2neg.setRequestCredits(Math.max(1, this.desiredCredits - this.credits.availablePermits()));

            final int reqLen = negotiateWrite(smb2neg, first != null);