/**
 * DOCX Reader - Chart Parser (c: and cx: namespaces)
 *
 * Parses traditional and ChartEx (Microsoft 365) chart XML into Chart model
 * objects. Also resolves chart references in the document body, replacing
 * opaque chart drawings with parsed Chart instances.
 */
import type { BodyContent, Chart, ChartExContent, ChartExData } from "../types.js";
/** Replace OpaqueDrawing items referencing chart rIds with ChartContent. */
declare function replaceOpaqueCharts(body: BodyContent[], chartRIdToChart: Map<string, Chart>): void;
/** Replace OpaqueDrawing items referencing ChartEx rIds with ChartExContent. */
declare function replaceOpaqueChartExDrawings(body: BodyContent[], chartExRIdToContent: Map<string, ChartExContent>): void;
/** Parse a chart part XML string into a Chart object. */
declare function parseChartXml(xmlStr: string): Chart | undefined;
/**
 * Parse a ChartEx XML string (cx:chartSpace) into structured ChartExData.
 * Returns undefined if parsing fails or the structure is unrecognizable.
 */
declare function parseChartExXml(xmlStr: string): ChartExData | undefined;
export { replaceOpaqueCharts, replaceOpaqueChartExDrawings, parseChartXml, parseChartExXml };