+ response_items.each { |x|
+ if !x
+ next
+ end
+
+ if object_type == 'User'
+ if ArvadosModel::resource_class_for_uuid(x['uuid']) == User
+ return_obj = x
+ break
+ end
+ else # looking for a link
+ if ArvadosModel::resource_class_for_uuid(x['head_uuid']).kind == head_kind