code: function(serverResponse, {bidderRequest}) {
      serverResponse = serverResponse.body;
      const bids = [];
      if (!serverResponse || serverResponse.error) {
        let errorMessage = `in response for ${bidderRequest.bidderCode} adapter`;
        if (serverResponse && serverResponse.error) { errorMessage += `: ${serverResponse.error}`; }
        utils.logError(errorMessage);
        return bids;
      }
      if (serverResponse.tags) {
        serverResponse.tags.forEach(serverBid => {
          if (serverBid.cpm && serverBid.cpm !== 0) {
            const bid = newBid(serverBid, bidderRequest);
            bid.mediaType = BANNER;
            bids.push(bid);
          }
        });
      }
      return bids;
    }
docs: Unpack the response from the server into a list of bids.
  
  @param {*} serverResponse A successful response from the server.
  @return {Bid[]} An array of bids which were nested inside the server.