There is no persistent data associated with this resource.
|Allocates IDs for the given keys, which is useful for referencing an entity before it is inserted.|
|Begins a new transaction.|
|Commits a transaction, optionally creating, deleting or modifying some entities.|
|Looks up entities by key.|
|Prevents the supplied keys' IDs from being auto-allocated by Cloud Datastore.|
|Rolls back a transaction.|
|Queries for entities.|