MuxSubscription
import { MuxSubscription } from "https://raw.githubusercontent.com/nats-io/nats.deno/v1.28.0/nats-base-client/internal_mod.ts";
class MuxSubscription {}
import { MuxSubscription } from "https://raw.githubusercontent.com/nats-io/nats.deno/v1.28.0/nats-base-client/internal_mod.ts";