Examine source code of Ad Blocker UltraBlock Pro

{
  "manifest_version": 2,
  "name": "UltraBlock Pro - Ultimate Ad Blocker",
  "version": "1.2.0",
  "description": "🛡️ The ultimate AI-powered ad blocker with CAPTCHA solver and military-grade security. Block ALL ads, trackers, and malware while browsing 35% faster. Beautiful interface, zero configuration, 100% free forever.",
  "browser_specific_settings": {
    "gecko": {
      "id": "ultrablock-pro@ultrablock.com",
      "strict_min_version": "68.0"
    },
    "gecko_android": {
      "strict_min_version": "68.0"
    }
  },
  "icons": {
    "16": "icons/icon16.png",
    "32": "icons/icon32.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "browser_action": {
    "default_popup": "popup/popup-ultra.html",
    "default_title": "UltraBlock Pro 🛡️"
  },
  "background": {
    "scripts": [
      "background/background-pro.js"
    ],
    "persistent": true
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content/content-advanced.js"
      ],
      "run_at": "document_start",
      "all_frames": false
    },
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content/captcha-api-solver.js"
      ],
      "run_at": "document_end",
      "all_frames": false
    }
  ],
  "permissions": [
    "webRequest",
    "webRequestBlocking",
    "storage",
    "activeTab",
    "tabs",
    "notifications",
    "alarms",
    "<all_urls>"
  ],
  "web_accessible_resources": [
    "assets/*"
  ],
  "content_security_policy": "script-src 'self'; object-src 'self'; style-src 'self' 'unsafe-inline'"
}