/**
 * Xform for a single `<externalReference r:id="..."/>` element inside
 * `<externalReferences>` in `xl/workbook.xml`. Each `<externalReference>`
 * maps positionally (in document order, 1-based) to an `[N]Sheet!Ref`
 * prefix in formula strings.
 */
import { BaseXform } from "../base-xform.js";
export interface ExternalReferenceModel {
    rId: string;
}
declare class ExternalReferenceXform extends BaseXform<ExternalReferenceModel> {
    render(xmlStream: any, model: ExternalReferenceModel): void;
    parseOpen(node: any): boolean;
    parseText(): void;
    parseClose(): boolean;
}
export { ExternalReferenceXform };