Examine source code of DefendShield Proxy

{
  "manifest_version": 2,
  "name": "DefendShield Proxy",
  "version": "2.0",
  "description": "Professional Burp Suite Proxy Switcher",
  "incognito": "spanning",
  "icons": {
    "48": "icons/icon.svg"
  },
  "permissions": [
    "proxy",
    "storage"
  ],
  "browser_action": {
    "default_icon": "icons/icon.svg",
    "default_popup": "popup/popup.html",
    "default_title": "DefendShield Proxy"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "proxy@defendshield.com",
      "strict_min_version": "91.1.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}