static L<PairS> combineWithGlobalIDs(L<S> l) {
  new L<PairS> out;
  for (int i = 0; i < l(l); i++) {
    if (i < l(l)-1) {
      S id = regexpFirstGroup("^\\[id: (" + regexp_globalID() + ")\\]$", trim(l.get(i)));
      if (id != null)
        continue with out.add(pair(id, l.get(++i)));
    }
    out.add(pair("", l.get(i)));
  }
  ret out;
}