docs: @Override
    public void continueSSPI(int msgLength) throws SQLException, IOException {
  
      if (sspiContext == null) {
        throw new IllegalStateException("Cannot continue SSPI authentication that we didn't begin");
      }
  
      LOGGER.log(Level.FINEST, "Continuing SSPI negotiation");
  
      /* Read the response token from the server */
      byte[] receivedToken = pgStream.receive(msgLength);
  
      SecBufferDesc continueToken = new SecBufferDesc(Sspi.SECBUFFER_TOKEN, receivedToken);
  
      sspiContext.initialize(sspiContext.getHandle(), continueToken, targetName);
  
      /*
       * Now send the response token. If negotiation is complete there may be zero bytes to send, in
       * which case we shouldn't send a reply as the server is not expecting one; see fe-auth.c in
       * libpq for details.
       */
      byte[] responseToken = sspiContext.getToken();
      if (responseToken.length > 0) {
        sendSSPIResponse(responseToken);
        LOGGER.log(Level.FINEST, "Sent SSPI negotiation continuation message");
      } else {
        LOGGER.log(Level.FINEST, "SSPI authentication complete, no reply required");
      }
    }