anchor.diff:      if (_json.containsKey("message")) {
         message = _json["message"];
       }
  +    if (_json.containsKey("sourcePath")) {
  +      sourcePath = _json["sourcePath"];
  +    }
     }
   
     core.Map toJson() {
  
positive.code: }
  
  
  class VersionResponse {
    /** The App Engine version. */
    core.String appEngineVersion;
  
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();
  