import { ChartModel } from './chart.model';
/**
 * Bar chart model definition
 */
export declare class BarChartModel extends ChartModel {
    /**
     * Horizontal or vertical bar chart orientation. Default: 'vertical'.
     */
    orientation?: string;
    /**
     * If to show bar chart in grouped mode. Default: false.
     */
    grouped?: boolean;
    /**
     * It is icon constructor, which take values from Chart Component and create Chart Model object.
     */
    constructor(values?: Object);
}