import React from 'react';
interface IProps {
    /** toolbar buttons that may render or render in overflow */
    buttonGroups: {
        elm: JSX.Element;
        overflowElement?: JSX.Element;
    }[][];
    /** side buttons that will always render, never overflow */
    sideButtons?: JSX.Element;
}
export declare const ToolbarEX: React.FunctionComponent<IProps>;
export {};