import * as React from 'react';
import { Overlay } from '../../overlay';
interface P {
    overlay: Overlay;
}
interface S {
    isLoading: boolean;
}
export declare class PopupItem extends React.Component<P, S> {
    ref: React.RefObject<HTMLDivElement>;
    constructor(props: P);
    componentDidMount(): void;
    componentWillUnmount(): void;
    handleFrameLoaded: () => void;
    render(): React.JSX.Element;
}
export {};