Examine source code of Global VPN

{
  "declarative_net_request": {
    "rule_resources": [
      {
        "path": "rules.json",
        "enabled": true,
        "id": "ruleset_1"
      }
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "strict_min_version": "113.0",
      "id": "{480427c5-f3ff-4593-89a4-077aa0e1b6a9}"
    }
  },
  "name": "__MSG_extensionName__",
  "default_locale": "en",
  "icons": {
    "16": "img/icon-16.png",
    "48": "img/icon-48.png",
    "128": "img/icon-128.png"
  },
  "host_permissions": [
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "js/background.js"
    ]
  },
  "version": "1.5",
  "manifest_version": 3,
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "img/icon-16.png",
      "48": "img/icon-48.png",
      "128": "img/icon-128.png"
    }
  },
  "permissions": [
    "proxy",
    "storage",
    "privacy",
    "declarativeNetRequest"
  ],
  "description": "__MSG_extensionDescription__"
}