import type { BaseConstructor } from '../Base/index.js';
/**
 * Import a component if user does not reduce motion.
 *
 * @template {BaseConstructor} T
 * @param {() => Promise<T|{default:T}>} fn
 * @return {Promise<T>}
 * @link https://js-toolkit.studiometa.dev/api/helpers/importWhenPrefersMotion.html
*/
export declare function importWhenPrefersMotion<T extends BaseConstructor = BaseConstructor>(fn: () => Promise<T | {
    default: T;
}>): Promise<T>;