export interface IOptions {
    [key: string]: any;
}
export default class Registry {
    registry: WeakMap<HTMLElement | Window, IOptions>;
    constructor();
    elementExists(elem: HTMLElement | Window): boolean | null;
    getElement(elem: HTMLElement | Window): any;
    /**
     * administrator for lookup in the future
     *
     * @method add
     * @param {HTMLElement | Window} element - the item to add to root element registry
     * @param {IOption} options
     * @param {IOption.root} [root] - contains optional root e.g. window, container div, etc
     * @param {IOption.watcher} [observer] - optional
     * @public
     */
    addElement(element: HTMLElement | Window, options?: IOptions): void;
    /**
     * @method remove
     * @param {HTMLElement|Window} target
     * @public
     */
    removeElement(target: HTMLElement | Window): void;
    /**
     * reset weak map
     *
     * @method destroy
     * @public
     */
    destroyRegistry(): void;
}