code: func (cc *Controller) resetConfig() (bool, string, error) {
  	updated, err := cc.checkpointStore.Reset()
  	if err != nil {
  		return false, status.InternalError, err
  	}
  	return updated, "", nil
  }
docs: // resetConfig resets the assigned and last-known-good checkpoints in the checkpoint store to their default values and
  // returns whether the assigned checkpoint changed as a result, or a sanitized failure reason and an error.