protected <V> V put() {
    return (V) gemfireServerVm.invoke(() -> {
      Cache cache = CacheFactory.getAnyInstance();
      cache.getRegion("/Example").put("2", "TWO");
      return cache.getRegion("/Example").get("2");
    });
  }
The ClientServerRegisterInterestsDUnitTest class is a test suite of test cases testing the
interaction between a client and a server in a Register Interests scenario.

@since GemFire 8.0
geode-core/src/distributedTest/java/org/apache/geode/cache/client/ClientServerRegisterInterestsDUnitTest.java