Examine source code of Service Worker Cleanup

{
  "manifest_version": 3,
  "name": "Service Worker Cleanup",
  "version": "138.0.3.2",
  "description": "Automatically remove website background service workers as you go.",
  "permissions": [
    "tabs",
    "webNavigation",
    "storage",
    "browsingData"
  ],
  "host_permissions": [],
  "browser_specific_settings": {
    "gecko": {
      "id": "service-worker-cleanup@private.citizen",
      "strict_min_version": "115.0"
    }
  },
  "icons": {
    "32": "icons/worker.svg"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  }
}