docs: public ServiceRRLoadBalancer getServiceRRLoadBalancer(String serviceName) {
          for (ServiceRRLoadBalancer lb : svcLBList) {
              if (lb.getServiceName().equals(serviceName)) {
                  return lb;
              }
          }
          ServiceRRLoadBalancer lb = new ServiceRRLoadBalancer(lookupService,
                  serviceName);
          svcLBList.add(lb);
          return lb;
      }