public ObservedMultipleObjectBuilderSet(MultipleObjectBuilderSet builderSet)
            : base(builderSet)
        {
            if (SystemHelper.MultiProcessors)
            {
                _lock = new SpinLockSlim();
            }
            else
            {
                _lock = new MonitorLock();
            }

            _observers = new List <ObjectObserver>();
        }
 protected MultipleObjectBuilderSet(MultipleObjectBuilderSet builderSet)
 {
     _candidates = builderSet._candidates;
 }