/**
 * Copyright IBM Corp. 2019, 2025
 *
 * This source code is licensed under the Apache-2.0 license found in the
 * LICENSE file in the root directory of this source tree.
 */
/**
 * Toggles a class on an element.
 *
 * @param element - The target element.
 * @param className - The class to toggle.
 * @param add - `true` to add the class, `false` to remove it.
 */
export declare const toggleClass: (element: Element, className: string, add: boolean) => void;