import { PrefixTreeForEach } from "https://deno.land/x/masx200_leetcode_test@v0.8.1/utils/PrefixTreeForEach.ts";
Parameters
root: PrefixTree
import { PrefixTreeForEach } from "https://deno.land/x/masx200_leetcode_test@v0.8.1/utils/PrefixTreeForEach.ts";