import { type DocxSourceNumberingIdentity } from './work-docx-numbering-extension-preservation';
export interface DocxSourcePackagePreservationOptions {
    numberingIdentities?: readonly (DocxSourceNumberingIdentity | null)[];
}
/**
 * Copies safe source-only DOCX parts into a newly generated package.
 *
 * Generated parts remain authoritative. Digital signatures are invalid after
 * an edit, and macro, ActiveX, and custom-ribbon parts are intentionally not
 * propagated into a macro-free DOCX export.
 */
export declare function preserveDocxSourcePackage(generatedBuffer: ArrayBuffer, sourceBuffer: ArrayBuffer, options?: DocxSourcePackagePreservationOptions): Promise<ArrayBuffer>;