**Describe the solution you'd like**

An option to make the `IDENTIFIED WITH` section mandatory.

: MultipleAccessStorage("user directories"),
      context_access_cache(std::make_unique<ContextAccessCache>(*this)),
      role_cache(std::make_unique<RoleCache>(*this)),
      row_policy_cache(std::make_unique<RowPolicyCache>(*this)),
      quota_cache(std::make_unique<QuotaCache>(*this)),
      settings_profiles_cache(std::make_unique<SettingsProfilesCache>(*this)),
      external_authenticators(std::make_unique<ExternalAuthenticators>()),
      custom_settings_prefixes(std::make_unique<CustomSettingsPrefixes>()),
      changes_notifier(std::make_unique<AccessChangesNotifier>())
{
}
AccessControl::~AccessControl() = default;