One instance's values out of the collection's state — each declared series the state carries,
decoded through its own window into a plain number and keyed by the series' field name.
undefined where the index does not name id: the collection has no reading for it. Reads
through carriedLookupOf, so a frame is decoded once however many instances ask.
One instance's values out of the collection's state — each declared series the state carries, decoded through its own window into a plain number and keyed by the series' field name.
undefinedwhere the index does not nameid: the collection has no reading for it. Reads through carriedLookupOf, so a frame is decoded once however many instances ask.