import { Chart } from '../document-model/index.js';
import { ResourceId } from '../ir/index.js';
import { OpcPackage } from '../opc/index.js';
import { ColorResolver } from './colors.js';
/**
 * Parse a DrawingML chart part (chart1.xml) into a {@link Chart}, reading the
 * CACHED data (`c:numCache` / `c:strCache`) rather than the embedded spreadsheet
 * — the cache holds the last-computed categories and values, exactly what Word
 * renders. Supports bar/column, line, pie/doughnut, area and scatter; other
 * chart types parse with `type: 'unknown'` (the renderer reserves the box but
 * draws nothing). Categories are shared and taken from the first series carrying
 * them.
 *
 * @param chartXml     The raw chart1.xml part bytes.
 * @param resolveColor Maps a DrawingML colour reference to a 6-hex string.
 * @returns The parsed chart, or `null` when there is no `c:chart` / `c:plotArea`.
 */
export declare function parseChart(chartXml: Uint8Array, resolveColor: ColorResolver, resolveImage?: (relId: string) => ResourceId | undefined): Chart | null;
/**
 * MS-ODRAWXML chartColorStyle (charts/colorsN.xml): the top-level colour list is
 * the series cycle (`meth="cycle"` — the common case; variations are luminance
 * tweaks for `>N` series and are ignored in v1).
 *
 * @param colorsXml    The raw colorsN.xml part bytes.
 * @param resolveColor Maps a DrawingML colour reference to a 6-hex string.
 * @returns The resolved series-colour cycle, in order (empty if none resolve).
 */
export declare function parseChartColorStyle(colorsXml: Uint8Array, resolveColor: ColorResolver): Array<string>;
/**
 * Augment a parsed {@link Chart} with its custom series-colour cycle when the
 * chart part's own relationships carry a chartColorStyle (colorsN.xml). Returns
 * the chart unchanged when no such relationship resolves to a non-empty cycle.
 * Shared by the docx and xlsx readers.
 *
 * @param chart         The parsed chart to augment.
 * @param pkg           The OPC package, for relationship lookup.
 * @param chartPartPath The chart part path, used as the relationship source.
 * @param resolveColor  Maps a DrawingML colour reference to a 6-hex string.
 * @returns The chart, with `seriesColorCycle` set when a cycle is found.
 */
export declare function withChartColorStyle(chart: Chart, pkg: OpcPackage, chartPartPath: string, resolveColor: ColorResolver): Chart;