anchor.diff:        } on IntlMessageExtractionException catch (e) {
           message = null;
           var err = new StringBuffer()
  -            ..writeAll(["Error ", $e, "\nProcessing <", node, ">"])
  +            ..writeAll(["Error ", e, "\nProcessing <", node, ">"])
               ..write(_reportErrorLocation(node));
           print(err);
           warnings.add(err);
  
positive.code:       return false;
      }
      if (!(node.target is SimpleIdentifier)) return false;
      return node.target.token.toString() == "Intl";
    }
  
    /**
  
negative.code:     const validNames = const ["message", "plural", "gender", "select"];
      if (!validNames.contains(node.methodName.name)) return false;
      if (!(node.target is SimpleIdentifier)) return false;
      SimpleIdentifier target = node.target;
      return target.token.toString() == "Intl";
    }
  
    Message _expectedInstance(String type) {
  