method EventEmitter.prototype.addListenerimport { EventEmitter } from "https://deno.land/std@0.94.0/node/events.ts"; addListener(eventName: string | symbol, listener: GenericFunction | WrappedFunction): thisAlias for emitter.on(eventName, listener). ParameterseventName: string | symbollistener: GenericFunction | WrappedFunctionReturnsthis