public static CartPromotionExpressionBuilderHelper BuildCartPromotionExpressionBuilder(CartPromotionExpressionBlock child)
        {
			return new CartPromotionExpressionBuilderHelper(child);
        }
		protected override void InitializeExpressionElementBlock()
		{
			if (IsWizardMode)
			{
				OnUIThread(() =>
				{
					ExpressionElementBlock = new CartPromotionExpressionBlock(this);
					InnerItem.PredicateVisualTreeSerialized = SerializationUtil.Serialize(ExpressionElementBlock);
				});
			}
			base.InitializeExpressionElementBlock();
		}
		private CartPromotionExpressionBuilderHelper(CartPromotionExpressionBlock child)
        {
            _child = child;
        }