NewRelicHttpClientRequest constructor
      
      NewRelicHttpClientRequest(])
     
    
    
Implementation
NewRelicHttpClientRequest(
    this._httpClientRequest, this.timestamp, this.traceData,
    [this.params]) {
  var request = this;
  request.done.then((value) {
    var response = _wrapResponse(
      value,
      request,
      this.timestamp,
      this.traceData,
    );
    return response;
  }, onError: (dynamic err) {
    NewrelicMobile.instance.recordError(err, StackTrace.current);
    throw err;
  });
}