public NumericBinaryFilterItem(ValueExpression left, ValueExpression right, RelationalCompareOperator operatior) : base(left, right, operatior) { }
public DateTimeBinaryFilterItem(ValueExpression left, ValueExpression right, RelationalCompareOperator compareOperator) : base(left, right, compareOperator) { }
public RelationalFilterItem(ValueExpression left, ValueExpression right, RelationalCompareOperator operatior) : base(left, right) { this.Operator = operatior; }