class Db implements Databaseimport { Db } from "https://deno.land/x/fastro@v0.77.8/database/mod.ts"; ConstructorsnewDb()Methodsdelete(key: number): voidinsert(key: Deno.KvKey, data: unknown): voidread(key: Deno.KvKey): voidupdate(key: Deno.KvKey, data: unknown): void