import { FileSystem, Logger, Package } from '@servicenow/sdk-project';
export declare const UPGRADE_JSON = ".upgrades.json";
export declare const DEFAULT_NPM_PACKAGE = "@servicenow/sdk";
export declare function getInstalledSDKInfo(packageDir: string, fs: FileSystem): Package;
export declare function checkSDKVersion(npmPackage: string, debug: boolean, logger: Logger): Promise<string>;