import type { Chart, ChartSeries, ChartTemplate } from '../core/types.js';
export declare function buildChartXml(chart: Chart): string;
export declare function saveChartTemplate(chart: Chart): ChartTemplate;
export declare function applyChartTemplate(template: ChartTemplate, chart: Partial<Chart> & {
    series: ChartSeries[];
    from: Chart['from'];
    to: Chart['to'];
}): Chart;
export declare function serializeChartTemplate(template: ChartTemplate): string;
export declare function deserializeChartTemplate(json: string): ChartTemplate;