database = $in_database; } public function is_valid_type(string $type_name) { throw new Exception("Error: Not implemented yet :-\\"); } public function get_friendly_name(string $type_name) { // TODO: Cache results here? Maybe https://packagist.org/packages/thumbtack/querycache will be of some use throw new Exception("Error: Not implemented yet :-\\"); } public function get_all_types() { throw new Exception("Error: Not implemented yet :-\\"); } }