A Collection is a subset of a Catalog, but can be used independently in Galleries
Filter Type used in this collection
Specify the includes to be requested when working with this collection
Scope is a set of FilterGroups which define the limits of the Collection. Typically it is just a set of group ids, but it may be arbitrarily complex. If one was to "search the collection", this is the description of what would be returned.
Interface defined in common/src/search/types/ICollection.ts:8