anchor.diff:            moduleUrl: toAssetUri(_assetId),
             name: node.name.toString(),
             diDeps: _getCompileDiDependencyMetadata(
  -              node.functionExpression.parameters, {}),
  +              null, node.functionExpression.parameters, {}),
             runtime: null // Intentionally `null`, cannot be provided here.
             );
       }
  
positive.code: }
  
  List<CompileDiDependencyMetadata> _getCompileDiDependencyMetadata(
      FormalParameterList params, Map<String, TypeName> fieldTypes) {
    return params.parameters.map((dynamic p) {
      if (p is DefaultFormalParameter) {
        p = p.parameter;
  
negative.code: import 'package:angular2/src/transform/common/interface_matcher.dart';
  import 'package:angular2/src/transform/common/logging.dart';
  import 'package:barback/barback.dart' show AssetId;
  import 'package:logging/logging.dart';
  
  import 'naive_eval.dart';
  import 'url_resolver.dart';
  