| val propValue by extra ("value") | |
| val prop25 by extra(25) | |
| val propTrue by extra (true) | |
| val propRef by extra (propValue) | |
| val propInterpolated by extra("${prop25}th") | |
| val propUnresolved by extra(unresolvedReference) | |
| val propOtherExpression1 by extra(z(1)) | |
| val propOtherExpression2 by extra(1 + 2) |