import { Worksheet, RichText } from 'exceljs';

export type CellRichTextValue = {
    richText: RichText[];
};
/**
 * Convert a Fortune/Luckysheet `ct.s` rich text array into an ExcelJS
 * CellRichTextValue. Returns null if there are no non-empty runs.
 */
export declare function buildExcelJsRichText(ctS: any[]): CellRichTextValue | null;
/**
 * Apply rich text values collected during Pass 1 to an ExcelJS worksheet.
 * Cell-level styles (fill, borders, alignment) from xlsx-js-style are preserved
 * because ExcelJS stores value and style independently.
 */
export declare function applyRichTextToWorksheet(ws: Worksheet, richTextMap: Map<string, CellRichTextValue>): void;