method Timeout.prototype.unref
Usage in Deno
import { Timeout } from "node:timers";
Timeout.prototype.unref(): this
When called, the active Timeout object will not require the Node.js event loop
to remain active. If there is no other activity keeping the event loop running,
the process may exit before the Timeout object's callback is invoked. Calling timeout.unref() multiple times will have no effect.
this
a reference to timeout