anchor.diff:  
     core.int line;
   
  +  /** deprecated - see sourcePath */
     core.String location;
   
     core.String message;
  +
  +  core.String sourcePath;
   
   
     AnalysisIssue();
  
positive.code:     if (_json.containsKey("issues")) {
        issues = _json["issues"].map((value) => new AnalysisIssue.fromJson(value)).toList();
      }
    }
  
    core.Map toJson() {
      var _json = new core.Map();
      if (issues != null) {
        _json["issues"] = issues.map((value) => (value).toJson()).toList();
      }
      return _json;
    }
  
negative.code: 
  class AnalysisResults {
    core.List<AnalysisIssue> issues;
  
    /** The package imports parsed from the source. */
    core.List<core.String> packageImports;
  
    /** The resolved imports - e.g. dart:async, dart:io, ... */
    core.List<core.String> resolvedImports;
  
  
    AnalysisResults();
  