/**
 * Directive teardown/cleanup registry.
 *
 * Stores cleanup functions returned by directives and runs them
 * when elements are removed from the DOM.
 *
 * @packageDocumentation
 */
export type CleanupFn = () => void;
/**
 * Register a cleanup function for an element.
 *
 * @param el - The element to associate the cleanup with
 * @param fn - The cleanup function to run when the element is removed
 */
export declare function registerCleanup(el: Element, fn: CleanupFn): void;
/**
 * Run and clear all cleanup functions for an element.
 *
 * @param el - The element whose cleanups should be run
 */
export declare function runCleanups(el: Element): void;
/**
 * Run cleanups for an element and all its descendants.
 *
 * @param el - The root element
 */
export declare function runCleanupsRecursive(el: Element): void;
/**
 * Reset the cleanup registry. For testing only.
 */
export declare function clearCleanupMap(): void;