import { BroadcastChannel } from "https://deno.land/x/async_channels@v1.0.0-rc8/src/mod.ts";
Parameters
optional
subOpts: BroadcastSubscribeOptionsx/async_channels/src/mod.ts>BroadcastChannel#doSubscribe
import { BroadcastChannel } from "https://deno.land/x/async_channels@v1.0.0-rc8/src/mod.ts";