anchor.diff:   * Example URI: /connect?state=...&gplus_id=...
    */
   void postConnectDataHandler(FukiyaContext context) {
  -  serverLogger.fine("postConnectDataHandler");
  -  String tokenData = context.request.session.containsKey("access_token") ? context.request.session["access_token"] : null; // TODO: handle missing token
  -  String stateToken = context.request.session.containsKey("state_token") ? context.request.session["state_token"] : null;
  -  String queryStateToken = context.request.uri.queryParameters.containsKey("state_token") ? context.request.uri.queryParameters["state_token"] : null;
  +  _log.fine("postConnectDataHandler");
  +  String tokenData = context.request.session["access_token"]; // TODO: handle missing token
  +  String stateToken = context.request.session["state_token"];
  +  String queryStateToken = context.request.uri.queryParameters["state_token"];
   
     // Check if the token already exists for this session.
     if (tokenData != null) {
  
positive.code: final String TOKEN_REVOKE_ENDPOINT = 'https://accounts.google.com/o/oauth2/revoke';
  
  final Random random = new Random();
  final Logger serverLogger = new Logger("server");
  final String INDEX_HTML = "./web/out/index.html";
  
  Fukiya fukiya;
  
negative.code:   context.request
    .transform(new StringDecoder())
    .listen((data) => sb.write(data), onDone: () {
      _log.fine("context.request.listen.onDone = ${sb.toString()}");
      Map requestData = JSON.parse(sb.toString());
  
      Map fields = {
  