[WILDCARD]
error: TS2551 [ERROR]: Property 'ppid' does not exist on type 'typeof Deno'. 'Deno.ppid' is an unstable API. Did you forget to run with the '--unstable' flag, or did you mean 'pid'?
console.log(Deno.ppid);
                 ~~~~
    at [WILDCARD]cli/tests/unstable_ts2551.ts:1:18

    'pid' is declared here.
      export const pid: number;
                   ~~~
        at asset:///lib.deno.ns.d.ts:[WILDCARD]