method EventEmitter.prototype.onimport { EventEmitter } from "https://deno.land/x/yxz@0.32.0/async/mod.ts"; on<T extends keyof Events>(type: T, listener: EventListener<Events>): voidRegister an event listener for event type. on<T extends keyof Events>(type: "*", listener: WildcardListener<Events>): voidRegister an event listener for event type. Type ParametersT extends keyof EventsParameterstype: TEvent type listener: EventListener<Events>Callback ReturnsvoidType ParametersT extends keyof EventsParameterstype: "*"listener: WildcardListener<Events>Returnsvoid