data = $data; } /** * Get data. * * @return mixed * * @since 1.0.0 */ public function getData() { return $this->data; } /** * Set data. * * @param mixed $data Node data * * @since 1.0.0 */ public function setData($data) : void { $this->data = $data; } /** * Compare with other node. * * @param Node $node Node * * @return boll * * @since 1.0.0 */ public function isEqual(Node $node) : bool { return true; } }