Examine source code of Cookie Rejector

{
  "manifest_version": 3,
  "name": "Cookie Rejector",
  "version": "1.0",
  "description": "Automatically rejects GDPR cookie consents.",
  "permissions": [
    "activeTab"
  ],
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "rejector.js"
      ],
      "run_at": "document_idle",
      "all_frames": true
    }
  ],
  "icons": {
    "48": "icons/icon-48.svg"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "@cookie-rejector.bha1",
      "strict_min_version": "147.0",
      "data_collection_permissions": {
        "required": [
          "websiteContent"
        ]
      }
    }
  }
}