chromium/extensions/test/data/manifest_tests/externally_connectable_empty_matches.json

{
  "name": "extensions_unittests --gtest_filter=ExternallyConnectableTest.WarningNothingSpecified",
  "version": "1",
  "manifest_version": 3,
  "externally_connectable": {
    "matches": []
  }
}