interface EventItem {
    element: HTMLElement | null | Window | Document | undefined;
    eventName: string;
    handler: (event?: any) => void;
}
declare class EventManager {
    private eventList;
    private findIndex;
    private canRegister;
    addEventListener(options: EventItem): void;
    removeEventListener(): void;
    removeElementEventListener(element: HTMLElement | null): void;
}
export default EventManager;