docs: private static void initializeOptimisticLock() {
      try {
        if (System.getProperty(NonOptimisticLock.class.getName()) == null) {
          new OptimisticLockStamped();
          optimisticLockImplementation = OptimisticLockStamped.class;
          return;
        }
      } catch (NoClassDefFoundError ignore) {
      }
      optimisticLockImplementation = NonOptimisticLock.class;
    }