else if ( len == 0 ) {
            resp = initialToken();
        }
        else {
            resp = negotitate(inputBuf, offset, len);
        }

        if ( resp == null ) {
            return null;
        }
        return resp.toByteArray();
    }


    private SpnegoToken negotitate ( byte[] inputBuf, int offset, int len ) throws CIFSException {

        }
    }
    protected void doConnect() throws IOException {
        /*
         * Negotiate Protocol Request / Response
         */

        SmbComNegotiateResponse resp = new SmbComNegotiateResponse( server );
        try {
            negotiate( port, resp );
        } catch( ConnectException ce ) {
            // Try an alternate port if there was an issue communicating to the server

                log.error("Multiple preauth negotiate contexts");
                return false;
            }
        }

        if ( !foundPreauth ) {
            log.error("Missing preauth negotiate context");
            return false;
        }
        if ( !foundEnc && ( caps & Smb2Constants.SMB2_GLOBAL_CAP_ENCRYPTION ) != 0 ) {
            log.error("Missing encryption negotiate context");
            return false;

            }
        }
    }

    public void destroy() {
    }

    /**
     * This method simply calls <tt>negotiate( req, resp, false )</tt>
     * and then <tt>chain.doFilter</tt>. You can override and call
     * negotiate manually to achive a variety of different behavior.
     */
    public void doFilter( ServletRequest request,
                ServletResponse response,

	"k8s.io/component-base/tracing"
)

// StreamObject performs input stream negotiation from a ResourceStreamer and writes that to the response.
// If the client requests a websocket upgrade, negotiate for a websocket reader protocol (because many
// browser clients cannot easily handle binary streaming protocols).

        }
    }


    @Override
    public void destroy () {}


    /**
     * This method simply calls <tt>negotiate( req, resp, false )</tt>
     * and then <tt>chain.doFilter</tt>. You can override and call
     * negotiate manually to achive a variety of different behavior.
     */
    @Override

    public int getDialectIndex () {
        return this.dialectIndex;
    }


    /**
     * @return the negotiated capbilities
     */
    public int getNegotiatedCapabilities () {
        return this.capabilities;
    }


    /**
     * 
     * @return negotiated send buffer size
     */
    public int getNegotiatedSendBufferSize () {
        return this.snd_buf_size;
    }

        "TLS-ECH-Client-Reject-NoClientCertificate-TLS12": "We won't attempt to negotiate 1.2 if ECH is enabled",
        "TLS-ECH-Client-Reject-TLS12": "We won't attempt to negotiate 1.2 if ECH is enabled",
        "TLS-ECH-Client-TLS12-RejectRetryConfigs": "We won't attempt to negotiate 1.2 if ECH is enabled",
        "TLS-ECH-Client-Rejected-OverrideName-TLS12": "We won't attempt to negotiate 1.2 if ECH is enabled",

                break;
            } else if (currentAuthMethod.startsWith("Negotiate")) {
                if (currentAuthMethod.length() == 9) {
                    authMethod = "Negotiate";
                    break;
                }
                if (currentAuthMethod.indexOf(' ') != 9) continue;
                authMethod = "Negotiate";
                authorization = currentAuthMethod.substring(10).trim();

                else if ( currentAuthMethod.startsWith("Negotiate") ) {
                    if ( currentAuthMethod.length() == 9 ) {
                        this.authMethod = "Negotiate";
                        break;
                    }
                    if ( currentAuthMethod.indexOf(' ') != 9 )
                        continue;
                    this.authMethod = "Negotiate";