import { XlsxStyles } from '../../core/spreadsheet-model/index.js';
interface BiffRec {
    readonly type: number;
    readonly data: Uint8Array;
}
/**
 * Build a palette-index → `"RRGGBB"` resolver from the default 56-colour palette
 * plus any `PALETTE` override. Six hex digits, not the eight an xlsx `rgb`
 * attribute carries: by the time styles are parsed the alpha is gone, and a
 * colour that kept it was read from its first six characters — silver `C0C0C0`
 * reaching the page as the pink `FFC0C0`.
 * `0x7FFF` / 64 / 65 are automatic or system colours → `undefined` (the renderer
 * default). Exported so the conditional-format reader (XLS-13) resolves its dxf
 * colours the same way.
 *
 * @param records The workbook-globals records (scanned for a `PALETTE` override).
 * @returns A function mapping a colour index (icv) to its hex, or `undefined`.
 */
export declare function buildBiffPalette(records: ReadonlyArray<BiffRec>): (icv: number) => string | undefined;
/**
 * Read a `.xls` workbook globals' FONT / FORMAT / PALETTE / XF records (XLS-4)
 * into the shared `XlsxStyles` model the OOXML path uses. BIFF packs each XF's
 * fill and border inline and stores colours as palette indices; these are
 * resolved through {@link buildBiffPalette} and de-duplicated into the model's
 * shared fill/border arrays.
 *
 * @param records The workbook-globals record stream.
 * @returns The style table (numFmts, fonts, fills, borders, cellXfs).
 */
export declare function parseBiffStyles(records: ReadonlyArray<BiffRec>): XlsxStyles;
export {};