@Override
    public void initWithNiwsConfig(IClientConfig clientConfig) {
        roundRobinRule = new RoundRobinRule();
    }
This class essentially contains the RoundRobinRule class defined in the
loadbalancer package

@author stonse
ribbon-loadbalancer/src/main/java/com/netflix/loadbalancer/ClientConfigEnabledRoundRobinRule.java