@Override
  public String toString() {
    return "Feature[source=" + getSource() +
      ", source layer=" + getSourceLayer() +
      ", id=" + id() +
      ", tags=" + tags + ']';
  }
Returns true if this element has any OSM relation info.
planetiler-core/src/main/java/com/onthegomap/planetiler/reader/SourceFeature.java