import { Deno } from "https://deno.land/x/deno@v1.41.0/cli/tsc/dts/lib.deno.ns.d.ts";
const { FsFile } = Deno;
Changes the access (atime) and modification (mtime) times of the
file stream resource. Given times are either in seconds (UNIX epoch
time) or as Date objects.
using file = await Deno.open("file.txt", { create: true, write: true });
await file.utime(1556495550, new Date());