# Functions
AssertNoV2StoreContent -> depending on the deprecation stage, warns or report an error if the v2store contains custom content.
CreateConfigChangeEnts creates a series of Raft entries (i.e.
GetEffectiveNodeIDsFromWalEntries returns an ordered set of IDs included in the given snapshot and the entries.
NewBackendQuota creates a quota layer with the given storage limit.
OpenBackend returns a backend using the current etcd db.
OpenSnapshotBackend renames a snapshot db to the current etcd db and opens it.
RecoverSnapshotBackend recovers the DB from a snapshot in case etcd crashes before updating the backend db after persisting raft snapshot to disk, violating the invariant snapshot.Metadata.Index < db.consistentIndex.