Examine source code of Hoogle Search

{
  "manifest_version": 2,
  "name": "Hoogle Search",
  "version": "1.2",
  "description": "To use, type 'hoogle' plus your search term into the url bar.",
  "browser_specific_settings": {
    "gecko": {
      "strict_min_version": "52.0a1",
      "id": "{05a4ff46-7c82-4e9d-832c-a6b8554a59c0}"
    }
  },
  "permissions": [],
  "chrome_settings_overrides": {
    "search_provider": {
      "name": "hoogle.haskell.org",
      "search_url": "https://hoogle.haskell.org/?hoogle={searchTerms}",
      "keyword": "hoogle",
      "favicon_url": "./icons/favicon.png",
      "is_default": false,
      "encoding": "UTF-8"
    }
  }
}