/**
 * PDF Exporter - Main orchestrator for PDF document generation.
 *
 * Coordinates the layout engine, page renderer, font manager, and PDF writer
 * to produce a complete PDF document from a PdfWorkbook data structure.
 *
 * This module is fully independent of the Excel module.
 * It is used internally by the public `pdf()` and `excelToPdf()` APIs.
 */
import { type PdfWorkbook, type PdfExportOptions } from "../types.js";
/**
 * Export a PdfWorkbook to PDF format.
 * Yields to the event loop between each output page during layout and rendering.
 *
 * @param workbook - The workbook data to export
 * @param options - Export options controlling layout, pagination, and appearance
 * @returns Promise of PDF file as a Uint8Array
 * @throws {PdfError} If the workbook has no sheets or export fails
 */
export declare function exportPdf(workbook: PdfWorkbook, options?: PdfExportOptions): Promise<Uint8Array>;