import { type Subscription } from "https://deno.land/x/subscription@2.0.1/mod.ts";
A listener (callback) type.
definition: (...args: T) => unknown | Promise<unknown>
x/subscription/mod.ts>Subscription
import { type Subscription } from "https://deno.land/x/subscription@2.0.1/mod.ts";
A listener (callback) type.