Examine source code of FASTVPN - быстрый прокси

{
  "manifest_version" : 3 ,
  "name" : "FASTVPN",
  "short_name" : "FASTVPN",
  "version" : "3.2.6",
  "description" : "Браузерный прокси: бесплатные серверы и дополнительные серверы по подписке FASTVPN.",
  "icons" : {
    "16" : "icon16.png",
    "32" : "icon32.png",
    "48" : "icon48.png",
    "128" : "icon128.png"
  },
  "permissions" : [
    "alarms" ,
    "proxy" ,
    "privacy" ,
    "storage" 
  ],
  "host_permissions" : [
    "<all_urls>" 
  ],
  "background" : {
    "scripts" : [
      "config.js" ,
      "background.js" 
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "fastvpn@fastz.vip",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "locationInfo",
          "browsingActivity",
          "websiteContent"
        ],
        "optional": [
          "technicalAndInteraction",
          "authenticationInfo"
        ]
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  },
  "action" : {
    "default_icon" : {
      "16" : "icon16.png",
      "32" : "icon32.png",
      "48" : "icon48.png",
      "128" : "icon128.png"
    },
    "default_popup" : "popup.html",
    "default_title" : "FASTVPN"
  }
}