import { Dxf, XlsxStyles } from '../core/spreadsheet-model/index.js';
import { INDEXED_COLORS } from '../core/indexed-colors.js';
export { INDEXED_COLORS };
/** The empty style table, returned for a workbook with no (or a malformed) `styles.xml`. */
export declare const EMPTY_XLSX_STYLES: XlsxStyles;
/** A workbook theme's colour scheme, slot name → RRGGBB (see `parseTheme`). */
export type ThemePalette = ReadonlyMap<string, string>;
/**
 * Everything a `<color>` in this workbook can point AT: the theme's scheme
 * (§18.8.3 `theme`) and the legacy palette (§18.8.27 `indexed`), which the
 * workbook may replace with one of its own.
 */
export interface WorkbookColors {
    readonly theme?: ThemePalette;
    readonly indexed: ReadonlyArray<string>;
}
/**
 * Parse `xl/styles.xml` (§18.8) into the {@link XlsxStyles} table the renderer
 * consumes: custom number formats, fonts, fills, borders, the cell formats
 * (`cellXfs` — each indexing font/fill/border/numFmt + optional alignment) and the
 * differential formats (`dxfs`) conditional formatting applies. Returns
 * {@link EMPTY_XLSX_STYLES} when the root is absent or malformed.
 *
 * @param theme The workbook's theme palette, resolving `<color theme="N">`.
 *              Without it those colours are dropped, and a sheet styled from the
 *              theme loses every fill and font colour it has.
 */
export declare function parseXlsxStyles(data: Uint8Array, theme?: ThemePalette): XlsxStyles;
/**
 * Read one §18.8.14 `<dxf>` — the differential format a conditional-format rule
 * applies on match. Exported because the 2009 extension writes its dxf INSIDE
 * the rule (`<x14:dxf>`) rather than into the workbook's `<dxfs>` table, and
 * the sheet reader has to resolve it there.
 *
 * @param item   The `<dxf>` node, as parsed.
 * @param colors The workbook palette, resolving theme and indexed colours.
 * @returns The format; empty when the node states nothing.
 */
export declare function parseDxf(item: unknown, colors: WorkbookColors): Dxf;