import { Ref } from 'vue';
/** @see https://github.com/tailwindlabs/headlessui/blob/d8424fe311923f6858f6e3d55083df957bca824d/packages/%40headlessui-vue/src/utils/dom.ts#L3-L7 */
export declare function dom<T extends HTMLElement>(ref?: Ref<T | null> | T | null): T | null;