import { EventManager } from '@angular/platform-browser';
export declare type EventListener<T = any> = (event: Event) => T;
export declare type EventUnlistener = () => void;
export declare abstract class EventManagerPlugin {
    /**
     * Gets the {@link EventManager} for the current {@link EventManagerPlugin}
     * instance
     */
    readonly manager: EventManager;
    /**
     * Evaluates whether a given event name, including custom angular appendix, is
     * supported by the {@link EventManagerPlugin} instance
     */
    abstract supports(eventExpr: string): boolean;
    /**
     * Attaches an event listener function to the event defined by the event name
     * parameter for the given target element. This function should return an
     * event "unlisten" function
     */
    abstract addEventListener(element: Element, eventExpr: string, listener: EventListener): EventUnlistener;
}