Solutionunvalidated
Then you can write a `fromParent` in `Child` like this. Outcome: public static void fillValuesFromInstanceIntoBuilder(Parent instance, ParentBuilder b) { $fillValuesFromInstanceIntoBuilder(instance, b); }.
236004c4-0af3-49a3-8be1-ba3a3817543f
Then you can write a fromParent in Child like this. Outcome: public static void fillValuesFromInstanceIntoBuilder(Parent instance, ParentBuilder b) { $fillValuesFromInstanceIntoBuilder(instance, b); }.