anchor.diff:          };
         };
         default = { };
  -      example = literalExample ''
  +      example = literalExpression ''
           {
             listenAddress = "0.0.0.0:8093";
           }
  
positive.code:     concurrent = mkOption {
        type = types.int;
        default = 1;
        example = literalExample "config.nix.maxJobs";
        description = ''
          Limits how many jobs globally can be run concurrently.
          The most upper limit of jobs using all defined runners.
  
negative.code:       type = types.package;
        default = pkgs.gitlab-runner;
        defaultText = "pkgs.gitlab-runner";
        example = literalExpression "pkgs.gitlab-runner_1_11";
        description = "Gitlab Runner package to use.";
      };
      extraPackages = mkOption {
  