import { PendingDuplicateRule } from './xlsx-cf-export-utils';

export type SheetCfPatch = {
    duplicateValues: PendingDuplicateRule[];
};
/**
 * Post-process an XLSX buffer produced by ExcelJS to fix conditional
 * formatting issues that ExcelJS cannot handle natively:
 *
 *   1. Adds the `text` attribute to `containsText` cfRules (ExcelJS omits it).
 *   2. Injects `duplicateValues` / `uniqueValues` cfRules that ExcelJS's renderer skips,
 *      including their dxf style entries in xl/styles.xml.
 */
export declare function patchXlsxCf(buffer: ArrayBuffer | Buffer, sheetPatches: SheetCfPatch[]): Promise<ArrayBuffer>;