import React from 'react';
import PropTypes from 'prop-types';
export declare class Main extends React.Component {
    static propTypes: {
        model: PropTypes.Validator<object>;
        onAnswersChange: PropTypes.Requireable<(...args: any[]) => any>;
        categories: PropTypes.Requireable<any[]>;
    };
    constructor(props: any);
    componentDidUpdate(prevProps: any): void;
    changeData: (data: any) => void;
    toggleCorrect: (showingCorrect: any) => void;
    render(): React.JSX.Element;
}
export default Main;