public function get_author_from_stdclass(stdClass $record) : author_entity {
        return new author_entity(
            $record->id,
            $record->picture,
            $record->firstname,
            $record->lastname,
            fullname($record),
            $record->email,
            $record->middlename,
            $record->firstnamephonetic,
            $record->lastnamephonetic,
            $record->alternatename,
            $record->imagealt
        );
    }