import { type Drawing } from './drawing.js';
/** Parse a `xl/drawings/drawingN.xml` payload into a Drawing object. */
export declare function parseDrawingXml(bytes: Uint8Array | string): Drawing;
/**
 * Every relationship id referenced inside the drawing's verbatim nodes —
 * `r:embed` on a picture nested in a group, `r:id` on a shape's hyperlink, and
 * whatever else sits under an `<mc:AlternateContent>` wrapper. The loader uses
 * this to carry the matching rels (and their target parts) across a re-save.
 */
export declare function collectRawRelIds(drawing: Drawing): Set<string>;
/** Serialise a Drawing to its `xl/drawings/drawingN.xml` payload. */
export declare function drawingToBytes(drawing: Drawing): Uint8Array;