@Override
    public int hashCode() {
      final int prime = 31;
      int result = 1;
      result = prime * result + Arrays.hashCode(encodedData);
      result = prime * result + Objects.hash(x, y, z);
      return result;
    }
exposing meta data (non-tile data) might be useful for most use cases but complicates parsing for simple use cases
=> allow to output tiles, only
planetiler-core/src/main/java/com/onthegomap/planetiler/stream/WriteableJsonStreamArchive.java