Example *

     * if ($this->sortValue > $other->sortValue) {
     * return 1;
     * } elseif ($this->sortValue < $other->sortValue) {
     * return -1;
     * } else {
     * return 0;
     * }
     *

* * @param \TYPO3\CMS\Backend\Tree\TreeNode $other * @return int see description */ public function compareTo($other); }