docs: def list_adresposities_adapter(obj, request):
      """
      Adapter for rendering a list of
      :class:`crabpy.gateway.crab.Adrespositie` to json.
      """
      return {
          'id': obj.id,
          'herkomst': {
              'id': obj.herkomst.id,
              'naam': obj.herkomst.naam,
              'definitie': obj.herkomst.definitie
          }
      }