private boolean containsInterestRegistrationListeners() {
    return cacheClientProxy.getCacheClientNotifier().containsInterestRegistrationListeners();
  }
Unregisters interest in the input region name and list of keys

@param regionName The fully-qualified name of the region in which to unregister interest
@param keysOfInterest The list of keys in which to unregister interest
geode-core/src/main/java/org/apache/geode/internal/cache/tier/sockets/ClientInterestList.java