NewStateStore creates a new state store.

NewStateStoreActionAcker creates a new state store backed action acker.

NewStateStoreWithMigration creates a new state store and migrates the old ones.

Version is the current StateStore version.

StateStore stores the agent state: - the last fleet action (not all actions are stored, refer to Save for details) - a queue of scheduled actions - the ack token See each method documentation for details.

StateStoreActionAcker wraps an existing acker and will set any acked event in the state store.