method Superbus.prototype._unsubimport { Superbus } from "https://deno.land/x/earthstar@v9.3.3/src/superbus/superbus.ts"; _unsub(channel: OrStar<Ch>, callbackAndOpts: CallbackAndOpts<OrStar<Ch>>): voidParameterschannel: OrStar<Ch>callbackAndOpts: CallbackAndOpts<OrStar<Ch>>Returnsvoid