method default.prototype.listenerCountimport { default } from "https://dotland.deno.dev/std@0.145.0/node/events.ts"; listenerCount(eventName: string | symbol): numberReturns the number of listeners listening to the event named eventName. Returns the number of listeners listening to the event named eventName. ParameterseventName: string | symbolThe name of the event being listened for Returnsnumber