anchor.diff:          "browser.newtab.preload" = false;
           "browser.newtabpage.directory.ping" = "";
           "browser.newtabpage.directory.source" = "data:text/plain,{}";
  +        # Reduce search engine noise in the urlbar's completion window. The
  +        # shortcuts and suggestions will still work, but Firefox won't clutter
  +        # its UI with reminders that they exist.
  +        "browser.urlbar.suggest.searches" = false;
  +        "browser.urlbar.shortcuts.bookmarks" = false;
  +        "browser.urlbar.shortcuts.history" = false;
  +        "browser.urlbar.shortcuts.tabs" = false;
  +        "browser.urlbar.showSearchSuggestionsFirst" = false;
           # Disable some not so useful functionality.
           "media.videocontrols.picture-in-picture.video-toggle.enabled" = false;
           "extensions.htmlaboutaddons.recommendations.enabled" = false;
  
positive.code:         "app.normandy.api_url" = "";
          "extensions.shield-recipe-client.enabled" = false;
          "app.shield.optoutstudies.enabled" = false;
          # Disable battery API
          # https://developer.mozilla.org/en-US/docs/Web/API/BatteryManager
          # https://bugzilla.mozilla.org/show_bug.cgi?id=1313580
  
negative.code:       env.XDG_DESKTOP_DIR = "$HOME/";
  
        modules.desktop.browsers.firefox.settings = {
          # Default to dark theme in DevTools panel
          "devtools.theme" = "dark";
          # Your customized toolbar settings are stored in
          # 'browser.uiCustomization.state'. This tells firefox to sync it between
          # machines. WARNING: This may not work across OSes. Since I use NixOS on
          # all the machines I use Firefox on, this is no concern to me.
          "services.sync.prefs.sync.browser.uiCustomization.state" = true;
          # Enable userContent.css and userChrome.css for our theme modules
          "toolkit.legacyUserProfileCustomizations.stylesheets" = true;
          # Stop creating ~/Downloads!
          "browser.download.dir" = "${config.user.home}/downloads";
          # Don't use the built-in password manager. A nixos user is more likely
          # using an external one (you are using one, right?).
          "signon.rememberSignons" = false;
          # Do not check if Firefox is the default browser
  