import type { ChartColorsModel, ChartStyleModel } from "./types.js";
/**
 * Parse a `colors{N}.xml` raw XML string into a structured model.
 * Returns a best-effort representation — unknown children are preserved in rawXml.
 */
export declare function parseChartColors(rawXml: string): ChartColorsModel;
/**
 * Build a `colors{N}.xml` string from a structured ChartColorsModel.
 *
 * Structured data (`colors` / `variations`) takes precedence over `rawXml`.
 * If neither `colors` nor `variations` is present we fall back to `rawXml`
 * (round-trip) or the built-in default palette. Mutations to `variations`
 * alone therefore still take effect without requiring the caller to also
 * populate `colors`.
 */
export declare function buildChartColors(model: ChartColorsModel): string;
export declare function buildChartStyle(model: ChartStyleModel): string;
/**
 * Parse a `styles{N}.xml` file to extract the style ID.
 */
export declare function parseChartStyle(rawXml: string): ChartStyleModel;