Takes a collection of duplicate shadows - i.e. shadows pointing to (presumably) one resource object,
and returns a treatment instruction: a collection of shadows that have to be deleted + which OID to use in owner object as a replacement.
Takes a collection of duplicate shadows - i.e. shadows pointing to (presumably) one resource object,
and returns a treatment instruction: a collection of shadows that have to be deleted + which OID to use in owner object as a replacement.