anchor.diff:    /// Map of already serialized dill data. All uris in a serialized component
     /// maps to the same blob of data. Used by
     /// [writePackagesToSinkAndTrimComponent].
  -  Map<Uri, List<int>> cachedPackageLibraries = new Map<Uri, List<int>>();
  +  Map<Uri, List<int>> cachedPackageLibraries = Map<Uri, List<int>>();
   
     /// Map of dependencies for already serialized dill data.
     /// E.g. if blob1 dependents on blob2, but only using a single file from blob1
  
positive.code:       transformer.transform(deltaProgram);
      }
  
      KernelCompilationResults results = new KernelCompilationResults(
          deltaProgram,
          _generator.getClassHierarchy(),
          _generator.getCoreTypes(),
  
negative.code:         '--output-dill=$outputTrainingDill',
        ];
        if (platform != null) {
          args.add('--platform=${Uri.file(platform)}');
        }
        options = argParser.parse(args);
        compiler ??=
            FrontendCompiler(output, printerFactory: binaryPrinterFactory);
  
        await compiler.compile(input, options, generator: generator);
        compiler.acceptLastDelta();
  