docs: private void requestAd() {
          long deviceId = Math.abs(m_rand.nextLong()) % AdBrokerBenchmark.NUM_DEVICES;
          GeographyPointValue point = getRandomPoint();
  
          try {
              m_client.callProcedure(new NullCallback(), "GetHighestBidForLocation", deviceId, point);
          } catch (IOException e) {
              e.printStackTrace();
          }
      }