class PrefixTreeWithSumimport { PrefixTreeWithSum } from "https://deno.land/x/masx200_leetcode_test@7.6.1/map-sum-pairs/PrefixTreeWithSum.ts"; Propertieschildren: Map<string, PrefixTreeWithSum>isEnd: booleansum: numberinterface PrefixTreeWithSum implements PrefixTreeimport { type PrefixTreeWithSum } from "https://deno.land/x/masx200_leetcode_test@7.6.1/map-sum-pairs/PrefixTreeWithSum.ts"; Propertiessum: number