protected function get_query_params()
 {
     $params = parent::get_query_params();
     $paramnames = $this->core->info->param_anymodule_parameters_names('pagesetmodule');
     foreach ($paramnames as $paramname) {
         if (isset($this->{$paramname})) {
             $params[$paramname] = $this->{$paramname};
         }
     }
     return $params;
 }