public LazyLiteralTripleKeyDBBPTreeStatistics(
final Comparator<? super TripleKey> comparator, final int k,
final int k_, final RDF3XIndexScan.CollationOrder order)
throws IOException {
super(comparator, k, k_, new LazyLiteralDBBPTreeStatisticsNodeDeSerializer(order), TripleKey.class, Triple.class);
this.order = order;
}