docs: @Override
      public EventJournal getEventJournal( int eventTypes,
                                           String absPath,
                                           boolean isDeep,
                                           String[] uuid,
                                           String[] nodeTypeName ) {
          return session.repository().journalId() != null ? new JcrEventJournal(absPath, eventTypes, isDeep, nodeTypeName, uuid) : null;
      }