/**
 * Proxy auto-update version checker.
 *
 * Queries the npm registry for the latest published version of
 * `@juspay/neurolink` and compares it against the currently running version.
 * Designed to be non-blocking and failure-tolerant — any error (network,
 * timeout, parse) returns an explicit failed check without inventing a release.
 */
import type { UpdateCheckResult } from "../types/index.js";
/**
 * Query npm for the latest version of `@juspay/neurolink` and compare it
 * against {@link currentVersion}.
 *
 * Failure retains the legacy version fallback but marks it unverified. Callers
 * must not persist it as a successful registry observation.
 */
export declare function checkForUpdate(currentVersion: string): Promise<UpdateCheckResult>;