anchor.diff:      //   return _resolver;
       // };
       
  -    _context = builder.buildContext(sourceDirectory.path);
  +    _context = builder.buildContext(_sourceDirectory.path);
   
   
       // _context.analysisOptions = options;
  
positive.code: 
    Future<AnalysisResults> analyzeMulti(Map<String, String> sources) {
      try {
        String pathPrefix = Directory.current.path;
        List<StringSource> sourcesList = <StringSource>[];
        for (String name in sources.keys) {
          String path = name.startsWith('/') ? name : '$pathPrefix/$name';
  
negative.code: 
      this.cache = new ContentCache();
  
      _sourceDirectory = Directory.systemTemp.createTempSync('analyzer');
      // _resolver = new MemoryResolver();
  
      PhysicalResourceProvider physicalResourceProvider =
  