import * as React from 'react'; interface IProps { children?: any; loadingDuration: number; simulateError: boolean; } interface IState { loading: boolean; age: number; } export declare class DemoQuery extends React.Component { static defaultProps: { loadingDuration: number; simulateError: boolean; }; constructor(props: IProps); componentWillMount(): void; render(): any; private refetch; } export {};