import * as React from 'react';
import type { ButtonGroupProps } from './types';
export default class ButtonGroup extends React.Component<ButtonGroupProps> {
    childRefs: {
        [key: number]: React.RefObject<any>;
    };
    static defaultProps: {
        disabled: boolean;
        onClick: () => void;
        shape: "default";
        size: "default";
        kind: "secondary";
    };
    render(): React.JSX.Element;
}