chromium/chrome/test/data/extensions/api_test/settings/storage_area/manifest.json

{
  "name": "StorageArea.OnChanged",
  "version": "0.1",
  "manifest_version": 3,
  "description": "Tests that the StorageArea.onChanged event works.",
  "permissions": ["storage"],
  "background": {
    "service_worker": "background.js"
  }
}