declare module 'git-describe' { export function gitDescribe(...args: any[]): void; } declare module 'default-shell' { const val: string; export default val; } declare module 'sudo-prompt' { export function exec( cmd: string, options: {name?: string; icns?: string; env?: {[key: string]: string}}, callback: (error?: Error, stdout?: string | Buffer, stderr?: string | Buffer) => void ): void; }