export declare class MultiTabChannel {
    private channel;
    private elector;
    private eventListeners;
    private onBCMessageHandler;
    private onElectedLeaderHandler;
    private wasLeader;
    private initialized;
    constructor(name: string, onBCMessageHandler: Function, onElectedLeaderHandler: Function);
    init(): Promise<void>;
    private onBeforeUnloadHandler;
    private onMessageHandler;
    isLeader(): boolean;
    getLeadership(): Promise<void>;
    hasLeader(): Promise<boolean>;
    postMessage(message: any): void;
}