code: func (s *Service) ProjectConfig(c context.Context, proj types.ProjectName) (*svcconfig.ProjectConfig, error) {
  	cset, path := s.ProjectConfigPath(proj)
  
  	var pcfg svcconfig.ProjectConfig
  	msg, err := s.configCache.Get(c, cset, path, &pcfg)
  	if err != nil {
  		return nil, errors.Annotate(err, "failed to load project config from %s.%s", cset, path).Err()
  	}
  	return msg.(*svcconfig.ProjectConfig), nil
  }
docs: // ProjectConfig returns the current service's project configuration for proj.