/**
 * Copyright © INOVUA TRADING.
 *
 * This source code is licensed under the Commercial License found in the
 * LICENSE file in the root directory of this source tree.
 */
import React from 'react';
export default class GroupToolbar extends React.Component {
    domRef: React.RefObject<HTMLDivElement>;
    constructor(props: any);
    render(): JSX.Element;
    renderItem: (column: any, name: any, index: any) => JSX.Element | JSX.Element[] | null;
    renderArrow: () => JSX.Element;
    setGroupBy: (groupBy: any) => void;
    onClear: (column: any, name: any) => void;
    getCells: () => React.ReactElement<any, string | React.JSXElementConstructor<any>>[];
}