code: function(bidRequests) {
      return bidRequests.map(bidRequest => {
        let giBidRequest = buildGiBidRequest(bidRequest);
        return {
          method: 'GET',
          url: buildUrl(giBidRequest),
          data: giBidRequest,
        };
      });
    }
docs: Make a server request from the list of BidRequests.
  
  @param {BidRequest[]} bidRequests - an array of bids.
  @return ServerRequest[]