interface Deno.CommandOutput
implements CommandStatus
import { type Deno } from "https://deno.land/x/deno@v1.28.3/cli/tsc/dts/lib.deno.unstable.d.ts";
const { CommandOutput } = Deno;
UNSTABLE: New API, yet to be vetted.
The interface returned from calling Command.output or
Command.outputSync which represents the result of spawning the
child process.