import React from 'react';
import { LayoutMode, ColorMode, ShellSettings } from '../ShellSettings';
import { TopBarItem } from '../ShellMenu';
export declare class TopBarTab {
    label: string;
    action: () => void;
}
declare const TopBar: React.FC<{
    layoutMode: LayoutMode;
    setLayoutMode: (layoutMode: LayoutMode) => void;
    setColorMode: (colorMode: ColorMode) => void;
    shellSettings: ShellSettings;
    toggleSidebarOpen: () => void;
    title: JSX.Element | string;
    topBarElements?: TopBarItem[];
    tabItems?: TopBarTab[];
    initialActiveTabIndex: number;
}>;
export default TopBar;