Examine source code of x.com Ad Blocker

{
  "manifest_version": 3,
  "name": "X Ad Blocker",
  "version": "1.3",
  "description": "This extension will help you to hide promoted x posts from your timeline",
  "browser_specific_settings": {
    "gecko": {
      "id": "{19c0de62-3065-4e79-be7e-def98aa79f3c}",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  },
  "icons": {
    "32": "icons/x-enhancer-32.png",
    "48": "icons/x-enhancer-48.png",
    "64": "icons/x-enhancer-64.png",
    "96": "icons/x-enhancer-96.png",
    "128": "icons/x-enhancer-128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.twitter.com/*",
        "*://*.x.com/*"
      ],
      "js": [
        "ad-blocker.js"
      ]
    }
  ]
}