import { CustomEvent } from "https://deno.land/x/deno@v1.40.5/cli/tsc/dts/lib.webworker.d.ts";
type
{ prototype: CustomEvent; new <T>(type: string, eventInitDict?: CustomEventInit<T>): CustomEvent<T>; }
x/deno/cli/tsc/dts/lib.webworker.d.ts>CustomEvent
import { CustomEvent } from "https://deno.land/x/deno@v1.40.5/cli/tsc/dts/lib.webworker.d.ts";