import React from 'react';
import PropTypes from 'prop-types';
import '@douyinfe/semi-foundation/lib/cjs/button/button.css';
import BaseComponent, { BaseProps } from '../_base/baseComponent';
export interface SplitButtonGroupProps extends BaseProps {
    'aria-label'?: React.AriaAttributes['aria-label'];
}
export default class SplitButtonGroup extends BaseComponent<SplitButtonGroupProps> {
    containerRef: React.RefObject<HTMLDivElement>;
    mutationObserver: MutationObserver | null;
    static propTypes: {
        style: PropTypes.Requireable<object>;
        className: PropTypes.Requireable<string>;
        'aria-label': PropTypes.Requireable<string>;
    };
    componentDidMount(): void;
    componentWillUnmount(): void;
    render(): React.JSX.Element;
}