/**
 * Resolve the Relationships root from a .rels part JSON tree.
 * Supports imported `{ elements: [Relationships] }`, a Relationships root, or a legacy `document` wrapper.
 */
export function getRelationshipsRoot(part: any): any;
/** Create a new .rels part with Relationships as the root element (matches OPC / xml-js import). */
export function createRelationshipsPart(elements?: any[]): {
    type: string;
    name: string;
    attributes: {
        xmlns: string;
    };
    elements: any[];
};
export const RELS_XMLNS: "http://schemas.openxmlformats.org/package/2006/relationships";
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