export declare const pubsub: PubSubJS.Base<any, PubSubJS.Message>;
export declare const subscribe: {
    (message: PubSubJS.Message, func: PubSubJS.SubscriptionListener<any>): string;
    (message: PubSubJS.Message, func: PubSubJS.SubscriptionListener<any>): string;
};
export declare const unsubscribe: {
    (tokenOrFunction: string | PubSubJS.SubscriptionListener<any>): string | boolean;
    (tokenOrFunction: string | PubSubJS.SubscriptionListener<any>): string | boolean;
};
export declare const publish: {
    (message: PubSubJS.Message, data?: any): boolean;
    (message: PubSubJS.Message, data?: any): boolean;
};
