import type { Hono } from "hono";
import type { ApiRouteDeps } from "@opengeni/core";
export declare function registerFileRoutes(app: Hono, deps: ApiRouteDeps): void;
export declare function sanitizeFilename(filename: string): string;
/** Human and stable service grants already carry their immutable subject.
 * Agent tokens carry only a technical worker subject, so resolve the exact
 * live attempt and use the initiating human frozen on its durable turn. */
export declare function fileAuthoritySubjectIdForGrant(deps: Pick<ApiRouteDeps, "db">, grant: import("@opengeni/contracts").AccessGrant): Promise<string | null>;