import type { NgZone } from '@angular/core';
import { AbstractEventPlugin } from './abstract.plugin';
import * as i0 from "@angular/core";
/**
 * @deprecated: drop in v5.x
 */
export declare class SilentEventPlugin extends AbstractEventPlugin {
    static ngZone?: NgZone;
    readonly modifier: string;
    addEventListener(element: HTMLElement, event: string, handler: Function): Function;
    static ɵfac: i0.ɵɵFactoryDeclaration<SilentEventPlugin, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<SilentEventPlugin>;
}