import { KeyValueStore } from 'npmextra'; export declare class SmartUpdate { kvStore: KeyValueStore; check(npmnameArg: string, compareVersion: string, changelogUrlArg?: string): Promise; private getNpmPackageFromRegistry(npmnameArg); private checkIfUpgrade(npmPackage, versionArg, changelogUrlArg?); } export declare let standardHandler: SmartUpdate;