/**
* Registers a rule.
*
* @since 4.6
* @param string $id
* @param string $label
* @param string $description
* @param string $exclude
* @param int $priority
*/
protected function add_rule($id, $label, $description, $exclude = '', $priority = 10)
{
IncPopupRules::add_rule($this, $this->filename, $id, $label, $description, $exclude, $priority);
}
