public function generateLinks() {
        return '<' . $this->generateUrl($this->getNextPageQueryCriteria()) . '>; rel="next",'
        . '<' . $this->generateUrl($this->getLastPageQueryCriteria()) . '>; rel="last",'
        . '<' . $this->generateUrl($this->getFirstPageQueryCriteria()) . '>; rel="first",'
        . '<' . $this->generateUrl($this->getPreviousPageQueryCriteria()) . '>; rel="prev"';
    }