import { onrejectionhandled } from "https://deno.land/x/deno@v1.28.3/cli/tsc/dts/lib.webworker.d.ts";
type
((this: DedicatedWorkerGlobalScope, ev: PromiseRejectionEvent) => any) | null
x/deno/cli/tsc/dts/lib.webworker.d.ts>onrejectionhandled
import { onrejectionhandled } from "https://deno.land/x/deno@v1.28.3/cli/tsc/dts/lib.webworker.d.ts";