code: func FromQueryResult(res *prompb.QueryResult) storage.SeriesSet {
  	series := make([]storage.Series, 0, len(res.Timeseries))
  	for _, ts := range res.Timeseries {
  		labels := labelProtosToLabels(ts.Labels)
  		if err := validateLabelsAndMetricName(labels); err != nil {
  			return errSeriesSet{err: err}
  		}
  
  		series = append(series, &concreteSeries{
  			labels:  labels,
  			samples: ts.Samples,
  		})
  	}
  	sort.Sort(byLabel(series))
  	return &concreteSeriesSet{
  		series: series,
  	}
  }
docs: // FromQueryResult unpacks a QueryResult proto.