import { default } from "https://deno.land/x/masx200_leetcode_test@7.6.2/n-ary-tree-preorder-traversal/index.ts";
Parameters
root: Node | null
import { default } from "https://deno.land/x/masx200_leetcode_test@7.6.2/n-ary-tree-preorder-traversal/index.ts";