@Override
  public CacheClientNotifierProvider getCacheClientNotifierProvider() {
    return cacheClientNotifierProvider;
  }
Returns a read-only set of{@code InterestRegistrationListener}s registered with this notifier.

@return a read-only set of{@code InterestRegistrationListener}s registered with this notifier

@since GemFire 5.8Beta
geode-core/src/main/java/org/apache/geode/internal/cache/CacheServerImpl.java