import { Router } from '@angular/router';
/**
 * Rc Event Bus service
 * manage custom events
 * Each route change, unsubscribe all events listeners unless the listener was defined as global
 */
export declare class RcEventBusService {
    protected router: Router;
    events: any[];
    globalEvents: any[];
    subscriptions: any[];
    globalSubscriptions: any[];
    constructor(router: Router);
    /**
     * emit an event with optional params
     * @param eventName
     * @param params
     * @param byPrefix
     */
    emit(eventName: string, params?: any, byPrefix?: boolean): void;
    /**
     * start listen to an event, if global set to true, the event listener will no unsubscribe on route change
     * @param eventName
     * @param callback
     * @param  isGlobal
     * @returns any
     */
    on(eventName: any, callback: any, isGlobal?: boolean): any;
    /**
     * unsubscribe all subscriber from a specific event
     * @param eventName
     * @param  isGlobal
     */
    off(eventName: any, isGlobal?: boolean): void;
    /**
     * clear all events and subscriptions
     */
    clearEvents(): void;
}