public function copyMdlRoleObjectSystemCapabilities(GcrMdlRole $mdl_role)
 {
     $filters = array();
     $filters[] = new GcrDatabaseQueryFilter('contextid', '=', 1);
     $this->deleteTableValues('role_capabilities', $filters);
     foreach ($mdl_role->getCapabilities($filters) as $mdl_role_capability) {
         $params = array('roleid' => $this->obj->id, 'capability' => $mdl_role_capability->capability, 'contextid' => 1, 'permission' => $mdl_role_capability->permission, 'timemodified' => time(), 'modifierid' => $mdl_role_capability->modifierid);
         $this->app->insertIntoMdlTable('role_capabilities', $params);
     }
 }