code: func (s *Service) DeleteDashboard(ctx context.Context, id platform.ID) error {
  	op := OpPrefix + platform.OpDeleteDashboard
  	if _, err := s.FindDashboardByID(ctx, id); err != nil {
  		return &platform.Error{
  			Err: err,
  			Op:  op,
  		}
  	}
  	s.dashboardKV.Delete(id.String())
  	err := s.deleteLabel(ctx, platform.LabelFilter{ResourceID: id})
  	if err != nil {
  		return &platform.Error{
  			Err: err,
  			Op:  op,
  		}
  	}
  	return nil
  }
docs: // DeleteDashboard implements platform.DashboardService interface.