-tariffs = new TARIFFS(dataStore);
-admins = new ADMINS(dataStore);
-users = new USERS(settings, dataStore, tariffs, admins->GetSysAdmin());
+tariffs = new TARIFFS_IMPL(dataStore);
+admins = new ADMINS_IMPL(dataStore);
+users = new USERS_IMPL(settings, dataStore, tariffs, *admins->GetSysAdmin());