anchor.diff:  {config, pkgs, lib, ...}:
   let
     cfg = config.services.ark;
  +  libPath = "${pkgs.stdenv.cc.cc.lib}/lib:ARKDedicatedServer/linux64:ARKDedicatedServer/ShooterGame/Binaries/Linux:ARKDedicatedServer/ShooterGame/Binaries/Linux/BattlEye:ARKDedicatedServer/Engine/Binaries/Linux";
   in
   {
     options.services.ark = {
  
positive.code:         WorkingDirectory = "/var/lib/ark";
          LimitNOFILE = 100000;
          ExecReload = "${pkgs.coreutils}/bin/kill -s HUP $MAINPID";
          ExecStop= "${pkgs.coreutils}/bin/kill -s INT $MAINPID";
        };
        environment = {
          LD_LIBRARY_PATH="ARKDedicatedServer/ShooterGame/linux64:ARKDedicatedServer/ShooterGame/Engine/Binaries/Linux:ARKDedicatedServer/ShooterGame/Engine/Binaries/ThirdParty/PhysX3/Linux/x86_64-unknown-linux-gnu/";
        };
      };
    };
  
negative.code:       };
      };
  
      systemd.services.ark = {
        wantedBy = [ "multi-user.target" ];
        preStart = ''
  