ReadonlystateWhether the store was missing, readable, readable without one key, or unusable.
ReadonlyrecordsRecords keyed by the caller's identifier.
Always a null-prototype object, and always empty unless the state is `healthy` or `stripped`.
ReadonlysummaryOne operator-facing line explaining the state.
Safe to log: it carries paths, counts and errnos, never stored values.
The outcome of reading a store.