import type { Download } from "playwright";
export declare const resolveOutputPath: (outputDir: string, outputFile: string | undefined, defaultFilename: string) => string;
export declare const ensureParentDirectory: (path: string) => Promise<void>;
export declare const assertPdfBytes: (bytes: Uint8Array) => void;
export declare const readDownloadBytes: (download: Download, maxBytes: number) => Promise<Uint8Array>;
export declare const saveDownloadPdf: (download: Download, path: string, maxBytes: number) => Promise<void>;