export declare class GeneralBridge {
    _subId: number;
    _callbacks: {
        [topic: string]: Function[];
    };
    constructor();
    on(event: string, callback: Function): void;
    off(event: string): void;
    publish(topic: string, message: any): void;
    subscribe(topic: string, handler: Function): void;
    unsubscribe(topic: string): void;
}
export declare type Bridge<T> = GeneralBridge & T;
export interface IBridge {
    new <T = {}>(): Bridge<T>;
}
export declare const Bridge: IBridge;