/**
 * Check if an element has overflowing scroll content
 * @param element DOM node
 * @returns true if the element has any scroll overflow
 * @example
 * // find closest parent element that currently has a scrollbar
 * const scrollContainer = closestElement(isScrollableRightNow, element)
 */
export declare function isScrollableRightNow(element: HTMLElement): boolean;
/**
 * Check if an element can render a scrollbar
 * @param element DOM node
 * @returns true if overflowY is 'auto' or 'scroll'
 * @example
 * // find closest parent element that can be scrolled (but may not have a scrollbar currently)
 * const scrollContainer = closestElement(isEverScrollable, element)
 */
export declare function isEverScrollable(element: HTMLElement): boolean;
/**
 * Find closest parent element in the DOM tree
 * @param predicate Function that is called for each parent element until it returns true
 * @param element Child element (DOM node) to start traversing from
 * @returns First parent element where predicate returns true, or root node (`document.documentElement`)
 * @example
 * // find closest parent `<table>` element
 * const closestTable = closestElement(el => el.tagName === 'table', element)
 */
export default function closestElement(predicate: (element: HTMLElement) => boolean, element?: HTMLElement | null): HTMLElement;