LimitRateConfig extends Config { public void add(String group, int maxPermits, int fillRate, TimeUnit unit) { rateControl.config(group, maxPermits, fillRate, unit); rateControlGroupAdded = true; }  void add(String group, int maxPermits, int fillRate, TimeUnit unit);  }
@Test void add() { config.add("test", 100, 100, TimeUnit.MINUTES); config.validate(); }