Examine source code of Startpage - No Perms

{
  "manifest_version": 3,
  "name": "Startpage - No Perms",
  "version": "1.0.0",
  "description": "Adds Startpage to Firefox's search engine list but doesn't require any permissions. Not affiliated with Startpage.",
  "browser_specific_settings": {
    "gecko": {
      "id": "@startpage-noperms",
      "strict_min_version": "109.0"
    }
  },
  "icons": {
    "32": "icon-32.png",
    "128": "icon-128.png"
  },
  "chrome_settings_overrides": {
    "search_provider": {
      "name": "Startpage",
      "search_url": "https://www.startpage.com/search?q={searchTerms}",
      "favicon_url": "searchimage.png",
      "encoding": "UTF-8",
      "is_default": false
    }
  }
}