import type { IRouter } from "express";
import type { UpdateService } from "./service.js";
/**
 * Express sub-router exposing the update service over HTTP. Mounted
 * by signalk-container's registerWithRouter at /api/updates/*.
 *
 * Critical UX: offline never produces a 5xx. Cached results come back
 * with HTTP 200 and reason: "offline" so the UI can render
 * "Last checked 3 days ago: up to date" rather than an error banner.
 */
export declare function registerUpdateRoutes(router: IRouter, service: UpdateService, hasRuntime: () => boolean): void;
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