code: func (s *Snapshot) CAConfig() (*structs.CAConfiguration, error) {
  	c, err := s.tx.First(caConfigTableName, "id")
  	if err != nil {
  		return nil, err
  	}
  
  	config, ok := c.(*structs.CAConfiguration)
  	if !ok {
  		return nil, nil
  	}
  
  	return config, nil
  }
docs: // CAConfig is used to pull the CA config from the snapshot.