long lastAccessTime = 0;
      long lastWriteTime = 0;
      for (ReferenceEntry<K, V> e : segment.recencyQueue) {
        long accessTime = e.getAccessTime();
        assertTrue(accessTime >= lastAccessTime);
        lastAccessTime = accessTime;
        long writeTime = e.getWriteTime();
        assertTrue(writeTime >= lastWriteTime);
        lastWriteTime = writeTime;
      }

	var f formatter // Ignore errors since they are expected
	var spd sparseDatas
	var spb []byte
	blk := tw.templateV7Plus(hdr, f.formatString, f.formatNumeric)
	if !hdr.AccessTime.IsZero() {
		f.formatNumeric(blk.toGNU().accessTime(), hdr.AccessTime.Unix())
	}
	if !hdr.ChangeTime.IsZero() {
		f.formatNumeric(blk.toGNU().changeTime(), hdr.ChangeTime.Unix())
	}
	// TODO(dsnet): Re-enable this when adding sparse support.