/**
 * Files this runner produced on the computer, reported to the Melaya desktop
 * app (contract ComputerRunnerFileMessage, { type: "computer.file" }) so
 * computer control can open them or pick them in a file dialog by handle.
 *
 * Only inside the desktop app (hostChannel.isHosted()); under `npx` every
 * function here is a no-op. The path goes to the app's main process over the
 * parentPort and never to the server: the app turns it into an opaque handle.
 *
 * Sources: Assistant turn output files (after assistantFiles.ts accepted them)
 * and pipeline outputs written to MELAYA_OUTPUT_DIR during a run. Browser
 * downloads are denied by the browser bridge (acceptDownloads: false), so there
 * is nothing to report from there.
 */
/** At most this many files per run, so a tool that writes thousands of files cannot flood the host. */
export declare const MAX_REPORTED_PER_RUN = 25;
/** Report one file. Returns true when a message was sent. */
export declare function reportHostFile(path: string, origin: "download" | "output"): boolean;
/**
 * Files in `dir` (and one level of sub-folders) modified at or after `sinceMs`,
 * newest first, capped. Pure apart from reading the folder.
 */
export declare function filesWrittenSince(dir: string, sinceMs: number, max?: number): string[];
/** After a run: report the outputs it wrote. No-op outside the desktop app. */
export declare function reportOutputsSince(dir: string | undefined, sinceMs: number): number;