priceAction method
Implementation
@override
Parser priceAction() => super.priceAction().map((each) {
final e = each as List;
return PriceAction(
date: e.first as DateTime,
currency: e.elementAt(2) as String,
amount: e.elementAt(3) as Money,
comment: e.elementAt(4) as String,
metadata: e.elementAt(5) as Map<String, MetaValue>,
);
});