protected function set_ancestors( $object_id, $object_type ) {
		$ancestors = get_ancestors( $object_id, $object_type );
		krsort( $ancestors );
		if ( 'page' === $object_type ) {
			foreach ( $ancestors as $ancestor_id ) {
				$this->set( get_the_title( $ancestor_id ), get_permalink( $ancestor_id ) );
			}
		} else {
			foreach ( $ancestors as $ancestor_id ) {
				$ancestor = get_term( $ancestor_id, $object_type );
				$this->set( $ancestor->name, get_term_link( $ancestor ) );
			}
		}
	}