nixConfig = {
    extra-substituters = [
      "https://nix-community.cachix.org/"
      "https://cache.nixos.org/"
    ];
    extra-trusted-public-keys = [
      "nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs="
      "cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY="
    ];
    experimental-features = [
      "flakes"
      "nix-command"
      "pipe-operators"
    ];
    builders-use-substitutes = true;
    show-trace = true;
    warn-dirty = false;
  };

    nvf.inputs.nixpkgs.follows = "nixpkgs";
    

        "repo": "nixpkgs",
        "type": "github"
      }
    },
    "nixpkgs_3": {
      "locked": {
        "lastModified": 1755049066,
        "narHash": "sha256-ANrc15FSoOAdNbfKHxqEJjZLftIwIsenJGRb/04K41s=",
        "owner": "nixos",
        "repo": "nixpkgs",
        "rev": "e45f8f193029378d0aaee5431ba098dc80054e9a",
        "type": "github"
      },
      "original": {
        "owner": "nixos",
        "ref": "nixpkgs-unstable",

        "nixpkgs": "nixpkgs_3",

        "nixpkgs": [
          "nixpkgs"
        ],