anchor.diff:  
     factory Build.fromJson(Map<String, dynamic> json,
         {Map<String, dynamic> commitJson}) {
  -
       return new Build(json['commit_id'], json['duration'], json['id'],
           json['repository_id'], _create(json['job_ids']));
     }
  
positive.code:     throw 'not yet!';
    }
  
    Future<List<Build>> builds(
        {List<int> ids, int repositoryId, String slug, bool withJobs: false}) async {
      var args = {};
      if (ids != null && ids.isNotEmpty) {
        args['ids'] = ids.join((','));
  
negative.code:     return builds;
    }
  
    Future<List<Repo>> repos({int id, String org, String repository,
        bool activeOnly: false, String member}) async {
      var path = <String>['repos'];
  
      if (id != null) {
  