docs: protected static boolean createLoggingAction(final Logger logger, final Logger auditor, final TransactionLogger instance) {
      TransactionLogger oldInstance = getInstance();
      if (oldInstance == null || oldInstance.finished) {
        if(loggingKeys == null) {
          synchronized (TransactionLogger.class) {
            if (loggingKeys == null) {
              logger.info("Initializing 'LoggingKeysHandler' class");
              loggingKeys = new LoggingKeysHandler(keysPropStream);
            }
          }
        }
        initInstance(instance, logger, auditor);
        setInstance(instance);
        return true;
      }
      return false; // Really not sure it can happen - since we arrive here in a new thread of transaction I think it's ThreadLocal should be empty. But leaving this code just in case...
    }