/**
 * ng2-idle - A module for responding to idle users in Angular2 applications.
 # @author Mike Grabski <me@mikegrabski.com> (http://mikegrabski.com/)
 * @version v1.0.0-alpha.18
 * @link https://github.com/HackedByChinese/ng2-idle.git#readme
 * @license MIT
 */
import { InterruptSource } from './interruptsource';
export declare class EventTargetInterruptSource extends InterruptSource {
    protected target: any;
    protected events: string;
    protected throttleDelay: number;
    private eventSrc;
    private eventSubscription;
    constructor(target: any, events: string, throttleDelay?: number);
    protected filterEvent(event: any): boolean;
}