code: @Override
      public void sendInvalidationEvent(String cacheNameWithPrefix, Data key, String sourceUuid) {
          cacheEventHandler.sendInvalidationEvent(cacheNameWithPrefix, key, sourceUuid);
      }
docs: Sends an invalidation event for given <code>cacheName</code> with specified <code>key</code>
  from mentioned source with <code>sourceUuid</code>.
  
  @param cacheNameWithPrefix the name of the cache that invalidation event is sent for
  @param key                 the {@link com.hazelcast.nio.serialization.Data} represents the invalidation event
  @param sourceUuid          an ID that represents the source for invalidation event