chromium/chrome/test/data/extensions/api_test/login_screen_apis/extension/manifest.json

{
  "name": "Login screen APIs test extension",
  "version": "1.28",
  "manifest_version": 3,
  "description": "Login screen APIs test extension",
  "default_locale": "en",
  "background": {
    "service_worker": "background.js"
  },
  "permissions": [
    "login",
    "loginScreenUi",
    "loginScreenStorage",
    "storage"
  ]
}