public List<TileSummary> biggestTiles() {
      return topTiles.stream().sorted(Comparator.comparingLong(s -> -s.archivedSize)).toList();
    }
Returns the biggest tiles in this aggregation by gzipped size (when aggregated over all layers) or raw size
within an individual layer.
planetiler-core/src/main/java/com/onthegomap/planetiler/util/TilesetSummaryStatistics.java