class EventEmitterRe-exportimport { EventEmitter } from "https://deno.land/x/net@v1.0.0/mod.ts"; Event emitter Propertiesprivatelisteners: Map<string, ((...args: any) => void)[]>Methodsemit(event: string, ...data: any[])Emits an event off(event: string, fn: (...args: any) => void)Removes a listener from the event on(event: string, fn: (...args: any) => void)Adds a listener to the event once(event: string, fn: (...args: any) => void)Adds a one-time listener to the event