static IntSuffixTree_managed ukkonenToIntSuffixTree_managed(UkkonenIntSuffixTree uTree) {
  new IntSuffixTree_managed tree;
  int lText = l(uTree.text);
  tree.fullText = wrapIntArrayAsImmutableList(uTree.text);
  new TreeMap<Int, IntSuffixTree_managed.Node> nodeMap;
  for (int uNodeIdx : recursiveIterator(uTree.root, n -> values(uTree.nodes[n].next))) {
    UkkonenIntSuffixTree.Node uNode = uTree.nodes[uNodeIdx];
    IntSuffixTree_managed.Node node = tree.newNode(uNode.start, min(lText, uNode.end));
    nodeMap.put(uNodeIdx, node);
  }
  ret tree;
}