anchor.diff:          context,
           context.typeProvider,
           context.sourceFactory,
  -        false,
  +        context.analysisOptions.strongMode,
           packageSummaryInputs.values.toList());
     }
   
  
positive.code: }
  
  /**
   * The [ResourceProvider] that provides results from input package summaries.
   */
  class InputPackagesResultProvider extends ResultProvider {
    final InternalAnalysisContext context;
  
negative.code:       }),
        new FileUriResolver()
      ]);
  
      // Set context options.
      Driver.setAnalysisContextOptions(
          context, options, (AnalysisOptionsImpl contextOptions) {});
  
      // Set the result provider.
      context.resultProvider =
          new InputPackagesResultProvider(context, options.packageSummaryInputs);
    }
  
    /**
  