docs: static <T> Map<T, AggregationData> createAggregationMap(
        Map<T, MutableAggregation> tagValueAggregationMap, Measure measure) {
      Map<T, AggregationData> map = Maps.newHashMap();
      for (Entry<T, MutableAggregation> entry : tagValueAggregationMap.entrySet()) {
        map.put(entry.getKey(), entry.getValue().toAggregationData());
      }
      return map;
    }