public void Search_SimpleTwoOrExpressions_Ok()
        {
            var expression1 = Search.CreateSearchParameter("inStock", "true").Or(Search.CreateSearchParameter("id", "1234"));
            var expression2 = Search.CreateSearchParameter("productName", "Monitor").Or(Search.CreateSearchParameter("brand", "dell"));

            var resultExpression = expression1.And(expression2);

            var countVisitor = new CountVisitor();

            countVisitor.CountParameters(resultExpression);
        }
        public void Query_Simple_Ok()
        {
            var expression = Search.CreateSearchParameter("inStock", "true").And(Search.CreateSearchParameter("id", "1234"));

            expression.Or(Search.CreateSearchParameter("id", "5678")).Or(Search.CreateSearchParameter("name", "adata"));

            var qb = new QueryBuilder("", "");

            qb.Search(expression);

            var countVisitor = new CountVisitor();

            countVisitor.CountParameters(qb.SearchParameterTree);

            qb.ToString();
        }