private ObjectFilterConditionBase ParseFactor()
        {
            var res = new ObjectFilterAndCondition();

            while (!EndOfInput && !IsError && CurrentToken?.TokenType != FilterTokenType.COMMA)
            {
                res.Conditions.Add(ParseElement());
            }
            return(res);
        }
 public void AddAndCondition()
 {
     var and = new ObjectFilterAndCondition();
     Condition.Conditions.Add(and);
 }