/// <reference types="react" />
import { ReturnValue } from '../define';
interface Action {
    render: () => React.ReactPortal;
}
/**
 * @param callback Make sure to using with useCallback and React.memo, see `demo` for details.
 * @param container html element, like `document.body`.
 * @returns Render function: () => JSX.Element
 */
declare function usePortal(callback: () => React.ReactNode, container: HTMLElement): ReturnValue<undefined, Action>;
export { usePortal };