code: func (*Service) ListPlatforms(c context.Context, req *crimson.ListPlatformsRequest) (*crimson.ListPlatformsResponse, error) {
  	platforms, err := listPlatforms(c, req)
  	if err != nil {
  		return nil, err
  	}
  	return &crimson.ListPlatformsResponse{
  		Platforms: platforms,
  	}, nil
  }
docs: // ListPlatforms handles a request to retrieve platforms.