private static function get_models_with_user_data() {
        $models = \core_analytics\manager::get_all_models();
        foreach ($models as $modelid => $model) {
            $analyser = $model->get_analyser(['notimesplitting' => true]);
            if (!$analyser->processes_user_data()) {
                unset($models[$modelid]);
            }
        }
        return $models;
    }