import * as React from 'react';
export interface IPortalProps {
    children?: any;
    el?: HTMLElement;
    onElement?: (el: HTMLElement) => void;
}
export interface IPortalState {
}
export declare class Portal extends React.Component<IPortalProps, IPortalState> {
    el: HTMLElement;
    constructor(props: any, context: any);
    componentWillUpdate(props: any): void;
    componentWillUnmount(): void;
    createEl(): void;
    render(): React.ReactPortal;
}