import { type WorkSpreadsheetChartLayout } from './work-spreadsheet-chart-layout';
import type { WorkSlide, WorkSlideChart, WorkSlideChartSeriesStyle } from './work-types';
export interface PptxChartFormattingDiagnostic {
    code: string;
    message: string;
}
export interface PptxChartLayoutStyleReadResult {
    legendOverlay?: boolean;
    layout: WorkSpreadsheetChartLayout;
    seriesStyles: Array<WorkSlideChartSeriesStyle | undefined>;
    diagnostics: PptxChartFormattingDiagnostic[];
}
export declare function readPptxChartLayoutAndSeriesStyles(document: Document, chartNode: Element | undefined, chartType: WorkSlideChart['type'], seriesNodes: readonly Element[]): PptxChartLayoutStyleReadResult;
export declare function patchPptxChartLayoutAndSeriesStyles(buffer: ArrayBuffer, slides: readonly WorkSlide[]): Promise<ArrayBuffer>;
export declare function writePptxChartLayoutAndSeriesStyles(document: Document, chartNode: Element, chart: WorkSlideChart): void;