rotty3000/liferay-portal — comment on commit bd3b15d71cf0bf5e759ec481caa9ff719b7ca31a
File: portal-impl/src/com/liferay/portal/service/impl/UserGroupLocalServiceImpl.java line 641
By rotty3000:

That flag is read in LayoutImporter

```
boolean layoutSetPrototypeInherited = MapUtil.getBoolean(
parameterMap,
PortletDataHandlerKeys.LAYOUT_SET_PROTOTYPE_INHERITED);
```