import { MercureChannel } from "./mercure-channel";
/** A JWT-guarded Mercure channel with a publishable whisper topic. */
export declare class MercurePrivateChannel extends MercureChannel {
    /** Send a whisper to other channel members. */
    whisper(eventName: string, data: Record<any, any>): this;
    /** Skip the public warning and open the whisper stream on first use. */
    listenForWhisper(event: string, callback: CallableFunction): this;
}