Source and target elements can be of different types in a Mapping node,
Depending on which runtime parsers are used, automatic casting cannot be
done. In these cases, use one of the following cast functions:
- xs:boolean
- xs:date
- xs:dateTime
- xs:dayTimeDuration
- xs:decimal
- xs:duration
- xs:double
- xs:hexBinary
- xs:int
- xs:integer
- xs:string
- xs:long
- xs:time
- xs:yearMonthDuration