import type { PageRange } from './lib/pdf2md.js';
import { PdfParseResult } from './lib/pdf2md.js';
/**
 * Preemptively ensure Chrome is available for PDF generation.
 * Call this at server startup to trigger download in background if needed.
 * Returns immediately, download happens in background.
 */
export declare function ensureChromeAvailable(): void;
/**
 * Convert PDF to Markdown using @opendocsg/pdf2md
 */
export declare function parsePdfToMarkdown(source: string, pageNumbers?: number[] | PageRange): Promise<PdfParseResult>;
export declare function parseMarkdownToPdf(markdown: string, options?: any): Promise<Buffer>;