code: function Bundle(transform, req, res) {
    this.status = res.__status || 200;
    this.body = res.__body || {};
    this.apiMethod = res.__apiMethod;
    this.apiInstanceMethod = res.__apiInstanceMethod;
    this.apiStaticMethod = res.__apiStaticMethod;
    this.api = res.__api;
    this.modelAPI = res.__modelAPI;
    if (this.modelAPI) {
      this.model = this.modelAPI.model.modelName;
    }
    transform.call(this, req, res);
  }
docs: Bundle - class to aggregate data to be changed
  
  @param  {Function} transform the function transforms `this.status` and `this.body`
  @param  {Number} status      HTTP Response code
  @param  {Any} body           The Body to be changed
  @return {Transformer}        created transformed option