{
  inputs,
  pkgs,
  pkgs-stable,
  username,
  ...
}: {
  imports = [
    ./hardware-configuration.nix
    ./system/packages.nix
    ./system/system.nix
    inputs.home-manager.nixosModules.home-manager
  ];

  nix.settings.experimental-features = ["nix-command" "flakes"];
  programs.nix-ld.dev.enable = true;

  home-manager = {
    extraSpecialArgs = {inherit inputs pkgs pkgs-stable username;};
    backupFileExtension = "backup";
    users = {
      ${username} = import ./home.nix;
    };
    sharedModules = [inputs.plasma-manager.homeManagerModules.plasma-manager];
  };

  # Bootloader.
  boot.loader.systemd-boot.enable = true;

  environment.sessionVariables = {
    FLAKE = "/home/${username}/dotfiles";

    DEFAULT_BROWSER = "${pkgs.librewolf}/bin/librewolf";
  };

  users.users.${username} = {
    isNormalUser = true;
    description = "${username}";
    extraGroups = ["wheel"];
  };

  xdg.mime.enable = true;
  xdg.mime.defaultApplications = {
    "text/html" = "librewolf.desktop";
    "x-scheme-handler/http" = "librewolf.desktop";
    "x-scheme-handler/https" = "librewolf.desktop";
    "x-scheme-handler/about" = "librewolf.desktop";
    "x-scheme-handler/unknown" = "librewolf.desktop";
    "text/plain" = "nvim.desktop";
    "application/pdf" = "evince";
  };

  # Allow unfree packages
  nixpkgs.config.allowUnfree = true;

  # List packages installed in system profile. To search, run:
  # $ nix search wget

  # Some programs need SUID wrappers, can be configured further or are
  # started in user sessions.
  # programs.mtr.enable = true;
  # programs.gnupg.agent = {
  #   enable = true;
  #   enableSSHSupport = true;
  # };

  # List services that you want to enable:

  # Enable the OpenSSH daemon.
  # services.openssh.enable = true;

  # Open ports in the firewall.
  # networking.firewall.allowedTCPPorts = [ ... ];
  # networking.firewall.allowedUDPPorts = [ ... ];
  # Or disable the firewall altogether.
  # networking.firewall.enable = false;

  # This value determines the NixOS release from which the default
  # settings for stateful data, like file locations and database versions
  # on your system were taken. It‘s perfectly fine and recommended to leave
  # this value at the release version of the first install of this system.
  # Before changing this value read the documentation for this option
  # (e.g. man configuration.nix or on https://nixos.org/nixos/options.html).
  system.stateVersion = "24.05"; # Did you read the comment?
}