namespace {

} // namespace

  }
}
namespace {
bool get_group_restrict_flag(const int gi) {
  int tags = CCTK_GroupTagsTableI(gi);
  assert(tags >= 0);
  char buf[100];
  int iret = Util_TableGetString(tags, sizeof buf, buf, "restrict");
  if (iret == UTIL_ERROR_TABLE_NO_SUCH_KEY) {
    return true;
  } else if (iret >= 0) {
    string str(buf);
    for (auto &c : str)
      c = tolower(c);
    if (str == "yes")
      return true;
    if (str == "no")
      return false;
    assert(0);
  } else {
    assert(0);

} // namespace

    // Don't restrict groups that have restriction disabled
    const bool do_restrict = get_group_restrict_flag(gi);
    if (!do_restrict)
      continue;