next.js/turbopack/crates/turbopack-tests/index.d.ts

import type * as expectMod from './tests/execution/node_modules/expect'
import type * as jest from './tests/execution/node_modules/jest-circus'

export {}

declare global {
  var describe: typeof jest.describe
  var expect: typeof expectMod.expect
  var it: typeof jest.it
  var test: typeof jest.test
  var nsObj: (obj: Object) => Object
}