npm-check-updates/build/src/package-managers/staticRegistry.d.ts

Find newer versions of dependencies than what your package.json allows

import { GetVersion } from '../types/GetVersion';
/**
 * Fetches the version in static registry.
 *
 * @param packageName
 * @param currentVersion
 * @param options
 * @returns A promise that fulfills to string value or null
 */
export declare const latest: GetVersion;