anchor.diff:       type = types.listOf types.str;
        default = [];
        description = ''
  -       List of regular expressions which will bypass authentication when
  -       requests path's match.
  +       Skip authentication for requests matching any of these regular
  +       expressions.
        '';
       };
   
  
positive.code:     upstream = mkOption {
        type = types.commas;
        description = ''
          The http url(s) of the upstream endpoint or file:// paths for static
          files. Routing is based on the path.
        '';
      };
  
  
negative.code: in
  {
    options.services.oauth2_proxy = {
      enable = mkEnableOption "oauth2_proxy";
  
      package = mkOption {
        type = types.package;
        default = pkgs.oauth2_proxy;
        defaultText = "pkgs.oauth2_proxy";
        description = ''
          The package that provides oauth2_proxy.
        '';
  