Commerce Reference Store implements two sharing groups:
Site Group US includes the ATG Store US and ATG Home sites and the
ShoppingCartShareableTypecomponent. It is an example of a sharing group that specifies Nucleus components (the shopping cart and comparison lists) as the shared data.Related Regional Stores includes the ATG Store US and ATG Store Germany sites and the
RelatedRegionalStoresShareableTypecomponent. It is an example of a sharing group that uses a non-Nucleus shareable type component. See the Shareable Type Components section for details on how thisShareableTypecomponent works.
