Close immediately. Persistent data survives; session data for all schema versions is removed. Repeated calls are idempotent after success and retry session cleanup after failure.
Return fresh data or await loading. Data must be treated as read-only.
Optionaloptions:
CacheGetOptions
Retain data and ETag, mark stale, and reject this instance's older calls.
Read without loading; may return stale data.
Delete data and validators, rejecting this instance's older calls.
Clear this namespace/schema/session scope, rejecting this instance's older calls.