Java21 SequencedCollection::getFirst support #4082

Expected behavior

Support for the list.getFirst() getter in @Mapping(target="...", source="list.first")
And handler for the NoSuchElementException thrown by this method if SequencedCollection is empty.

Note : getFirst was introduced in java 21

Actual behavior

Unknown property 'first' :

Impl :

Steps to reproduce the problem

Any mapping with a SequencedCollection impl (i.e. List)
Use "list.first" as source
Mapper will show 'first' in red
Pass an empty list to the mapper, you'll get an NSEE

MapStruct Version

1.6.3