private void defineCounter(String counterName) {
      CounterManager counterManager = RemoteCounterManagerFactory.asCounterManager(client(0));
      counterManager.defineCounter(counterName, CounterConfiguration.builder(CounterType.UNBOUNDED_STRONG).lifespan(100).build());
      //the counter is lazily created and stored in the cache. The increment will make sure it is there!
      for (CounterManager cm : clientCounterManagers()) {
         final StrongCounter strongCounter = cm.getStrongCounter(counterName);
         assertEquals(100, strongCounter.getConfiguration().lifespan());
         strongCounter.sync().incrementAndGet();
      }
   }