public void printSummary() {
    LOGGER.debug("  " + getSummary(Phase.NODES));
    LOGGER.debug("  " + getSummary(Phase.WAYS));
    LOGGER.debug("  " + getSummary(Phase.RELATIONS));
  }
Prints how many elements were processed per phase, how long they took, and how many elements per second were
processed.
planetiler-core/src/main/java/com/onthegomap/planetiler/reader/osm/OsmPhaser.java