Examine source code of Remove FBclid and UTM

{
  "name": "Remove FBclid and UTM",
  "version": "1.3",
  "description": "Removes fbclid, ysclid, gclid, and utm_ query parameters in URLs.",
  "icons": {
    "48": "icons/noFbclidUtmIcon.png"
  },
  "background": {
    "scripts": [
      "queryParamsRemover.js"
    ]
  },
  "permissions": [
    "webRequest",
    "webRequestBlocking",
    "http://*/*",
    "https://*/*"
  ],
  "manifest_version": 2,
  "browser_specific_settings": {
    "gecko": {
      "id": "{2e0d105e-caa5-447c-89d5-33f4efc39ef1}"
    }
  }
}