export const startAuction = hook('async', function ({ bidsBackHandler, timeout: cbTimeout, adUnits, ttlBuffer, adUnitCodes, labels, auctionId, ortb2Fragments, metrics, defer } = {}) {
  const s2sBidders = getS2SBidderSet(config.getConfig('s2sConfig') || []);
  fillAdUnitDefaults(adUnits);
  adUnits = useMetrics(metrics).measureTime('requestBids.validate', () => checkAdUnitSetup(adUnits));