docs: public static List<PostAggregator> pruneDependentPostAgg(List<PostAggregator> postAggregatorList, String postAggName)
    {
      ArrayList<PostAggregator> rv = new ArrayList<>();
      Set<String> deps = new HashSet<>();
      deps.add(postAggName);
      // Iterate backwards to find the last calculated aggregate and add dependent aggregator as we find dependencies
      // in reverse order
      for (PostAggregator agg : Lists.reverse(postAggregatorList)) {
        if (deps.contains(agg.getName())) {
          rv.add(agg); // add to the beginning of List
          deps.remove(agg.getName());
          deps.addAll(agg.getDependentFields());
        }
      }
  
      Collections.reverse(rv);
      return rv;
    }