static LS findFunctionDefsAtCurlyLevel_indexed(int targetCurlyLevel, IContentsIndexedList2<S> tok) {

  new LS functions;

  new OrderedMultiIterator<HasIndex> multiIterator;

  for (keyword : findFunctionDefs_keywords())

    multiIterator.add(tok.indicesOf_treeSetOfHasIndex(keyword));

  multiIterator.add(tok.indicesOf_treeSetOfHasIndex("{"));

  multiIterator.add(tok.indicesOf_treeSetOfHasIndex("}"));

  multiIterator.add(tok.indicesOf_treeSetOfHasIndex("meta"));

  int curlyLevel = 0;

  new BitSet ignore;

  while (multiIterator.hasNext()) {

    HasIndex idx = multiIterator.next();

    int i = idx!;

    if (ignore.get(i)) continue;

    S t = tok.get(i);

    // Account for meta-for (don't change curly level)

    if (eq(t, "meta")) {

      if (eqSubList(tok, i+1, "", "-", "", "for")) {

        var r = tok_findFirstBlock(tok, i);

        ignore.set(r.start);

        ignore.set(r.end-1);

      }

    } else if (eq(t, "{"))

      ++curlyLevel;

    else if (eq(t, "}"))

      --curlyLevel;

    else // it's a function keyword

      if (curlyLevel == targetCurlyLevel)

        findFunctionDefs_step(tok, i, functions);

  }

  ret functions;

}