import type { PdfDocument } from '@pdfrx/engine';
import type { PagePlacement } from '@pdfrx/viewer-core';
import type { PageSourceRegistry } from './page-adapter.js';
/** Outline node whose destination refers to the final arranged page index. */
export interface MappedOutlineNode {
    /** Visible bookmark label. */
    readonly title: string;
    /** Resolved target, or `null` for a structural node without a destination. */
    readonly dest: {
        readonly pageIndex: number;
        readonly command: string;
        readonly params: readonly (number | null)[];
    } | null;
    /** Recursively mapped child bookmarks. */
    readonly children: readonly MappedOutlineNode[];
}
/**
 * Exports a virtual collaborative arrangement and merges outlines from every
 * represented source document. AcroForm merging is intentionally a separate
 * phase because it requires field-name and resource collision policy.
 * Equal field names from separate sources receive source-scoped prefixes.
 *
 * @param rootDocument Document currently owned by the viewer.
 * @param placements Final authoritative virtual-page order.
 * @param sources Registry containing every referenced source document.
 * @returns The resulting Promise.
 *
 */
export declare function encodeCollaborativePdf(rootDocument: PdfDocument, placements: readonly PagePlacement[], sources: PageSourceRegistry): Promise<Uint8Array>;
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