…t actually extend the sealed trait.

      Sum types abstract members generation by reusable components in the schema, as an opt-in, configurable feature.
      Only generating sealed trait body if all subtypes include same reusable component, with it's fields as the abstract trait's members.
      Redundant duplicate classes for each case is now omitted.
      Validate fields in case classes and traits does not contain duplicates that cannot be reconciled.
      Existing tests has been amended to reflect the fix.
      New tests were added.
      Some utilities were added.