code: function (error, response, body) {
              if (error) {
                  // Usually means we never got a response - server is down, no DNS entry, etc.
                  _endDownload(downloadId, Errors.NO_SERVER_RESPONSE);
                  return;
              }
              if (response.statusCode !== 200) {
                  _endDownload(downloadId, [Errors.BAD_HTTP_STATUS, response.statusCode]);
                  return;
              }
  
              var stream = temp.createWriteStream("brackets");
              if (!stream) {
                  _endDownload(downloadId, Errors.CANNOT_WRITE_TEMP);
                  return;
              }
              pendingDownloads[downloadId].localPath = stream.path;
              pendingDownloads[downloadId].outStream = stream;
  
              stream.write(body);
              _endDownload(downloadId);
          }
docs: Note: we could use the traditional "response"/"data"/"end" events too if we wanted to stream data incrementally, limit download size, etc. - but the simple callback is good enough for our needs.