Examine source code of WelanToolKit AdBlocker

{
  "name": "AdBlocker",
  "version": "1.0.0",
  "manifest_version": 3,
  "permissions": [
    "webRequest",
    "webRequestBlocking"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "blocker.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "will@adblocking",
      "strict_min_version": "109.0"
    }
  }
}