anchor.diff:      String constructor = expression.constructorName.toSource();
       LibraryElement libraryOfConstructor = expression.staticElement.library;
       importCollector._addLibrary(libraryOfConstructor);
  -    String prefix = importCollector._getPrefix(expression.staticElement.library);
  +    String prefix =
  +        importCollector._getPrefix(expression.staticElement.library);
       // TODO(sigurdm): Named arguments.
       String arguments = expression.argumentList.arguments
           .map((Expression argument) {
  
positive.code:     return regexp.hasMatch(methodName);
    }
  
    bool _supportsMeta(
        ec.MetadataQuantifiedCapability capability, Iterable<DartObject> metadata) {
      if (metadata == null) return false;
      return metadata
          .map((DartObject o) => o.type.element)
  
negative.code:           (Asset asset) => asset.id.path.endsWith(entryPoint),
            orElse: () => null);
        if (entryPointAsset == null) {
          aggregateTransform.logger.info("Missing entry point: $entryPoint");
          continue;
        }
        Transform wrappedTransform =
  