private static int getArgIndex(List<? extends LighterASTNode> args, LighterASTNode expr) {
    for (int i = 0; i < args.size(); i++) {
      if (args.get(i).getEndOffset() >= expr.getEndOffset()) {
        return i;
      }
    }
    return -1;
  }
private static int getArgIndex(List<? extends LighterASTNode> args, LighterASTNode expr)