import type { Element } from '@markuplint/ml-core';
/**
 * Finds direct children of an element matching the given CSS selector, with caching.
 *
 * Results are cached by element UUID and selector to avoid redundant DOM traversals
 * when the same element/selector combination is queried multiple times.
 *
 * @param el - The parent element to search within.
 * @param selector - The CSS selector to match children against.
 * @returns An array of matching child elements.
 */
export declare function findChildren(el: Element<boolean>, selector: string): Element<boolean, undefined>[];