{
  # spectrum
  nix.settings.substituters = ["https://cache.dataaturservice.se/spectrum/"];
  nix.settings.trusted-public-keys = [
    "cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY="
    "spectrum-os.org-2:foQk3r7t2VpRx92CaXb5ROyy/NBdRJQG2uX2XJMYZfU="
  ];
}