Examine source code of CASHBACK PRO

{
  "description": "__MSG_extension_description__",
  "version": "1.0.50",
  "name": "__MSG_extension_name__",
  "short_name": "__MSG_extension_short_name__",
  "manifest_version": 3,
  "default_locale": "ru",
  "homepage_url": "https://cashbackpro.online/",
  "background": {
    "scripts": [
      "background.legacy.js",
      "cashbackpro-background-bridge.js",
      "cashbackpro-pin-reminder.js",
      "cashbackpro-partner-watch.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "https://cashbackpro.online/*",
        "https://*.cashbackpro.online/*"
      ],
      "js": [
        "cashbackpro-auth-sync.js"
      ],
      "run_at": "document_idle"
    },
    {
      "matches": [
        "https://*/*"
      ],
      "js": [
        "cashbackpro-store-notifier.js"
      ],
      "run_at": "document_end"
    }
  ],
  "action": {
    "default_popup": "popup.html",
    "default_icon": "icon16.png",
    "default_title": "__MSG_extension_action_title__"
  },
  "icons": {
    "16": "icon16.png",
    "48": "icon48.png",
    "128": "icon128.png"
  },
  "permissions": [
    "storage",
    "cookies",
    "webRequest",
    "tabs",
    "contextMenus",
    "alarms",
    "scripting",
    "notifications",
    "clipboardWrite"
  ],
  "host_permissions": [
    "https://*/*"
  ],
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'self'"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "cashbackpro@cashbackpro.online",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "authenticationInfo",
          "browsingActivity"
        ],
        "optional": [
          "technicalAndInteraction"
        ]
      }
    }
  }
}