import { AmChartsFrequencySetData } from '@rds/rds-base-ts';
import type { XYChart } from '@amcharts/amcharts4/charts';
/**
 * Create a vertical bar chart.
 *
 * @param chartData The chart data
 * @param element The html element to render the chart in
 * @returns a promise with the chart reference
 */
export declare function createVerticalBarChart(chartData: AmChartsFrequencySetData | null | undefined, element: HTMLElement | undefined): Promise<XYChart | undefined>;