class defaultimport { default } from "https://deno.land/x/masx200_leetcode_test@10.4.3/design-authentication-manager/index.ts"; Constructorsnewdefault(timeToLive: number)MethodscountUnexpiredTokens(currentTime: number): numbergenerate(tokenId: string, currentTime: number): voidrenew(tokenId: string, currentTime: number): void