anchor.diff:    Uri resolveRelativeUri(Uri relativeUri) {
       return resolveRelativeUriHelper(uri, relativeUri);
   //    Uri result = new Uri(scheme: DartUriResolver.DART_SCHEME, path: '${dirname(fullName)}/${relativeUri.path}');
  -//    print("= SdkSource.resolveRelativeUri(${relativeUri}) = ${result} (fullName=${fullName})");
  +//    DebugLogger.instance.debug("= SdkSource.resolveRelativeUri(${relativeUri}) = ${result} (fullName=${fullName})");
   //    return result;
     }
   
  
positive.code:   final Map<String, FileSource> _sources = {};
  
    ProjectContext(this.id, this.sdk, this.provider) {
      // TODO(rpaquay): For debugging purposes only.
      AnalysisEngine.instance.logger = new AnalysisEnginePrintLogger();
      context = AnalysisEngine.instance.createAnalysisContext();
      context.sourceFactory = new SourceFactory([
          new CustomDartUriResolver(sdk),
  
negative.code:    */
    @override
    Source resolveAbsolute(Uri uri) {
      _DebugLogger.instance.debug("> CustomDartUriResolver.resolveAbsolute('${uri}')");
      Source result = super.resolveAbsolute(uri);
      _DebugLogger.instance.debug("< CustomDartUriResolver.resolveAbsolute('${uri}'): ${result == null ? 'null' : result}");
      return result;
    }
  }
  