(cell) recv_external(slice in_msg) impure {
   cell mydict = new_dict();
   builder r = begin_cell().store_int(10, 16);
   mydict~udict_set_builder(32, 1, r );
   int index = -1;
   do {
      (var index, var value, var found) = mydict.udict_get_next?(32, index);
    } until ( ~ found );
  return mydict;
}

() recv_internal() impure {
  ;; Nothing
}