import React, { Component } from 'react';
import { OrNull } from '../../wui-core/src/utils/type';
import { PortalProps } from './iOverlay';
/**
 * Portal组件是将子组件渲染到指定container容器
 */
declare class Portal extends Component<PortalProps, {
    portalContainerNode: OrNull<HTMLElement>;
}> {
    static defaultProps: PortalProps;
    constructor(props: PortalProps);
    componentDidMount(): void;
    componentWillReceiveProps(nextProps: PortalProps): void;
    componentWillUnmount(): void;
    render(): React.ReactPortal | null;
}
export default Portal;