Examine source code of Neeno's Cookie Importer

{
  "manifest_version": 3,
  "name": "Neeno's Cookie Importer",
  "version": "2.4.9",
  "description": "Professional cookie manager with Session Snapshots, Protected Cookies, and Advanced Editing.",
  "permissions": [
    "cookies",
    "tabs",
    "storage",
    "browsingData",
    "webNavigation",
    "alarms"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "background": {
    "service_worker": "background.js",
    "scripts": [
      "utils.js",
      "background.js"
    ]
  },
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icons/icon16.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    }
  },
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'self'"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content-notify.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "icons/*"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{556a3e74-c2bf-4fb4-b3ec-75a1cbdd83ec}"
    }
  }
}