anchor.diff:  
     List<AnalysisIssue> errors;
   
  -  _SummarizeToken (String input, [AnalysisResults analysis]) {
  +  _SummarizeToken(String input, [AnalysisResults analysis]) {
       linesCode = _linesOfCode(input);
       if (analysis != null) {
         errorPresent = analysis.issues.any((issue) => issue.kind == 'error');
         warningPresent = analysis.issues.any((issue) => issue.kind == 'warning');
         features = _languageFeatures(analysis);
  -      packageCount= analysis.packageImports.length;
  +      packageCount = analysis.packageImports.length;
         resolvedCount = analysis.resolvedImports.length;
         packageImports = analysis.packageImports;
         resolvedImports = analysis.resolvedImports;
  
positive.code:     randomizer = _sumList(encryptor.close());
      storage = new _SummarizeToken(input, analysis);
    }
    
    int _sumList(List<int> list) {
      int sum = 0;
      for (int number in list) {
  
negative.code:     englishList += ' features. ';
      return englishList;
    }
  
    String _packageList(List<String> list, {String source}) {
      if (list.length == 0) {
        if (source == null) return '';
        else return '. ';
      }
      String englishList = '';
      if (source == 'packages') englishList +=
          ', and ${_sentenceFiller('code-0')} imports ';
      else englishList += '${_sentenceFiller('code-1')} imports ';
      for (int i = 0; i < list.length; i++) {
        englishList += list[i];
  