public function getDocumentationForNode(array $keys = array(), $unfold_all = false)
    {
        $node = $this->findNode($this->schema['root'], $keys, $unfold_all);

        return array(
            'name' => end($keys) ?: 'root',
            'node' =>  $node,
            'prefix' => $this->prefix
        );
    }