/** * This class represents a basic channel. */ export declare abstract class Channel { /** * The Echo options. */ options: any; /** * Listen for an event on the channel instance. */ abstract listen(event: string, callback: Function): Channel; /** * Listen for a whisper event on the channel instance. */ listenForWhisper(event: string, callback: Function): Channel; /** * Listen for an event on the channel instance. */ notification(callback: Function): Channel; /** * Stop listening to an event on the channel instance. */ abstract stopListening(event: string): Channel; }