import React from 'react';
import { ButtonGroupProps, ButtonGroupState } from "./iButtonGroup";
declare class ButtonGroup extends React.Component<ButtonGroupProps, ButtonGroupState> {
    constructor(props: ButtonGroupProps, context?: any);
    handleItemClick: (key?: string, onClick?: ((e: React.MouseEvent) => void) | undefined) => (e: React.MouseEvent) => void;
    render(): JSX.Element;
}
export default ButtonGroup;