import { HighchartsOptionsInternal } from '../../../../../../../../../domains/visualizations/core/chart-options-processor/chart-options-service.js';
/**
 * Prepares the Highcharts's extras options (title, colorAxis, accessibility) for calendar heatmap
 *
 * @param ctx - The highcharts options builder context
 * @returns Extras options object
 */
export declare function getExtrasOptions(): Partial<HighchartsOptionsInternal>;
