import React from 'react';
declare type Props = {
    modalContainer: string;
    children: React.ReactNode;
};
export default class Portal extends React.Component<Props> {
    element: HTMLDivElement;
    modalRoot: HTMLDivElement;
    constructor(props: Props);
    componentDidMount(): void;
    componentWillUnmount(): void;
    render(): React.ReactPortal;
}
export {};