Optional
This runtime's view of the store: the keys it wrote that it has not seen expire, and its own hits and misses. maxEntries is 0, since the store sets its own bound; the entry ages are not tracked.
maxEntries
This runtime's view of the store: the keys it wrote that it has not seen expire, and its own hits and misses.
maxEntriesis 0, since the store sets its own bound; the entry ages are not tracked.