export default ButtonGroup; declare class ButtonGroup extends React.Component { constructor(props: Readonly); constructor(props: any, context?: any); render(): JSX.Element; } declare namespace ButtonGroup { export const defaultProps: {}; export namespace propTypes { export const buttons: import("prop-types").Requireable; }> | import("prop-types").InferProps<{ type: import("prop-types").Requireable; }>[]>; } } import React from "react";