static Geometry reassembleLineStrings(List<List<CoordinateSequence>> geoms) {
    List<LineString> lineStrings = new ArrayList<>();
    for (List<CoordinateSequence> inner : geoms) {
      for (CoordinateSequence coordinateSequence : inner) {
        if (coordinateSequence.size() > 1) {
          lineStrings.add(GeoUtils.JTS_FACTORY.createLineString(coordinateSequence));
        }
      }
    }
    return GeoUtils.combineLineStrings(lineStrings);
  }
Returns a {@link LineString} or {@link MultiLineString} containing all coordinate sequences in {@code geoms}.
planetiler-core/src/main/java/com/onthegomap/planetiler/render/GeometryCoordinateSequences.java