import React from 'react';
import { TabBarRootNodeProps } from './iTabs';
export default class TabBarRootNode extends React.Component<TabBarRootNodeProps> {
    static defaultProps: {
        clsPrefix: string;
        className: string;
        style: {};
        tabBarPosition: string;
        extraContent: null;
        children: null;
        onKeyDown: () => void;
        saveRef: () => void;
    };
    getExtraContentStyle: () => {
        float: string;
    } | {
        float?: undefined;
    };
    render(): JSX.Element;
}