is_including_object
Use it like this:
- [ #is/_including_object :: TypeAndQuantityNode] or
- [ is_including_object :: TypeAndQuantityNode]
This links to a node or nodes indicating the exact quantity of the products included in an offer or ProductCollection.
Relation describes that: [ #has_/domain :: Demand, Offer, ProductCollection] ( #has_/name :: is_including_object) ( #has_/range :: TypeAndQuantityNode)