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

	closeConnOnce := &sync.Once{}
	closeConn := func() {
		closeConnOnce.Do(func() {
			ws.Close()
		})
	}

	negotiated := ws.Config().Protocol
	r.selectedProtocol = negotiated[0]
	defer close(r.err)
	defer closeConn()

	go func() {
		defer runtime.HandleCrash()
		// This blocks until the connection is closed.
		// Client should not send anything.

import jcifs.ntlmssp.Type3Message;
import jcifs.smb.NtlmPasswordAuthentication;


/**
 * This class is used internally by <tt>NtlmHttpFilter</tt>,
 * <tt>NtlmServlet</tt>, and <tt>NetworkExplorer</tt> to negotiate password
 * hashes via NTLM SSP with MSIE. It might also be used directly by servlet
 * containers to incorporate similar functionality.
 * <p>
 * How NTLMSSP is used in conjunction with HTTP and MSIE clients is

  ) {
  }

  /** Called after the TLS handshake to release resources allocated by [configureTlsExtensions]. */
  open fun afterHandshake(sslSocket: SSLSocket) {
  }

  /** Returns the negotiated protocol, or null if no protocol was negotiated. */
  open fun getSelectedProtocol(sslSocket: SSLSocket): String? = null

  /** For MockWebServer. This returns the inbound SNI names. */
  @SuppressLint("NewApi")

          message == "No session to resume." -> Type.Handshake
          message.startsWith("Consuming ") -> Type.Handshake
          message.startsWith("Produced ") -> Type.Handshake
          message.startsWith("Negotiated ") -> Type.Handshake
          message.startsWith("Found resumable session") -> Type.Handshake
          message.startsWith("Resuming session") -> Type.Handshake

        try {
            resp = send(req, RequestParam.NO_RETRY);
        }
        catch ( SMBSignatureValidationException e ) {
            throw new SMBProtocolDowngradeException("Signature error during negotiate validation", e);
        }
        catch ( SmbException e ) {
            if ( log.isDebugEnabled() ) {
                log.debug(String.format("VALIDATE_NEGOTIATE_INFO response code 0x%x", e.getNtStatus()));

     * @return A <code>byte[]</code> containing the local security
     * context.  This is used by the client to negotiate local
     * authentication.
     */
    public byte[] getContext() {
        return context;
    }

    /**
     * Sets the local security context.  This is used by the client
     * to negotiate local authentication.
     *
     * @param context The local security context.
     */

            ) {
              val sslSocket = connection.socket() as SSLSocket
              println("Requested " + sslSocket.sslParameters.applicationProtocols.joinToString())
              println("Negotiated " + sslSocket.applicationProtocol)
            }
          },
        )
        .build()

    val request =
      Request.Builder()
        .url("https://www.google.com")
        .build()

	options, err := optionsForTransform(mediaTypeOptions, req)
	if err != nil {
		return nil, err
	}

	// negotiate for the stream serializer from the scope's serializer
	serializer, err := negotiation.NegotiateOutputMediaTypeStream(req, scope.Serializer, scope)
	if err != nil {
		return nil, err
	}

     *         context. This is used by the client to negotiate local
     *         authentication.
     */
    public byte[] getContext () {
        return this.context;
    }


    /**
     * Sets the local security context. This is used by the client
     * to negotiate local authentication.
     *
     * @param context
     *            The local security context.