`TIntToDateTimeNode`
		NodeType
		GetNodeValue

`TIntConvertNode`
		Check

`TFPConvertNode`
		AsString

`TFPUnaryOperator`
		Create
		Destroy
		InitAggregate
		UpdateAggregate
		HasAggregate
		Check

`TFPExprNode`
pt		CheckNodeType
pt		GetNodeValue
		Check
		InitAggregate
		UpdateAggregate
		IsAggregate
		HasAggregate
		NodeType
		NodeValue
		AsString