/**
 * Finds the given element's ancestor which allows Y overflow.
 *
 * @category Web : Elements
 * @category Package : @augment-vir/web
 * @package [`@augment-vir/web`](https://www.npmjs.com/package/@augment-vir/web)
 */
export declare function findOverflowAncestor(start: Element): Element;