import { EventManagerPlugin } from "@angular/platform-browser";
import * as i0 from "@angular/core";
/** @deprecated */
export declare class SdBackbuttonEventPlugin extends EventManagerPlugin {
    constructor();
    supports(eventName: string): eventName is "sdBackbutton";
    addEventListener(element: HTMLElement, eventName: string, handler: (event: Event) => void): () => void;
    static ɵfac: i0.ɵɵFactoryDeclaration<SdBackbuttonEventPlugin, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<SdBackbuttonEventPlugin>;
}