code: func (s *BoardService) GetAllSprints(boardID string) ([]Sprint, *Response, error) {
  	id, err := strconv.Atoi(boardID)
  	if err != nil {
  		return nil, nil, err
  	}
  
  	result, response, err := s.GetAllSprintsWithOptions(id, &GetAllSprintsOptions{})
  	if err != nil {
  		return nil, nil, err
  	}
  
  	return result.Values, response, nil
  }
docs: // GetAllSprints will return all sprints from a board, for a given board Id.
  // This only includes sprints that the user has permission to view.
  //
  // JIRA API docs: https://docs.atlassian.com/jira-software/REST/cloud/#agile/1.0/board/{boardId}/sprint