public static List<VectorTile.Feature> mergeLineStrings(List<VectorTile.Feature> features,
    double minLength, double tolerance, double buffer) {
    return mergeLineStrings(features, minLength, tolerance, buffer, false);
  }
Merges linestrings with the same attributes as {@link #mergeLineStrings(List, double, double, double, boolean)}
except sets {@code resimplify=false} by default.
planetiler-core/src/main/java/com/onthegomap/planetiler/FeatureMerge.java