code: public void firePutNotification(Iterator<RegistryListener<K, V>> listeners, K putKey, V putValue) {
          while (listeners.hasNext() ) {
              listeners.next().onPutEntry(putKey, putValue);
          }
      }
docs: Fire notification of a new entry added to the registry.
  
  @param putKey key identifying the entry in the registry.
  @param putValue value of the entry in the registry.