import { ReactElement } from 'react';
import type { Root } from 'react-dom/client';
declare const MARK = "__bifrostui_react_root__";
type ContainerType = (Element | DocumentFragment) & {
    [MARK]?: Root;
};
/** @private Test usage. Not work in prod */
export declare function testModernRender(node: ReactElement, container: ContainerType, isTest: boolean): void;
export declare function render(node: ReactElement, container: ContainerType): void;
/** @private Test usage. Not work in prod */
export declare function testLegacyUnmount(container: ContainerType, isTest: boolean): boolean;
export declare function unmount(container: ContainerType): boolean | Promise<void>;
export {};