chromium/chrome/test/data/extensions/manifest_tests/unsupported_optional_api_permission.json

{
  "name": "Optional permissions which cannot be optional",
  "version": "0.0.1.33",
  "manifest_version": 3,
  "description": "Extension with an optional permission listed which can't be optional (debugger).",
  "optional_permissions": [
    "tabs",
    "debugger"
  ]
}