public function own($path = ''): array
    {
        if ($path) {
            $parts = $this->split($path);
            $name = array_shift($parts);

            $own = [];
            if (isset($this->subTrees[$name])) {
                $subtree = $this->subTrees[$name];
                $this->appendChildren(
                    $own, $name, $subtree->own($parts)
                );
            }
        } else {
            $own = $this->ownData;
        }

        return $own;
    }