{
  description = "REPLACE_DESC";

  inputs = { nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable"; };

  outputs = { self, nixpkgs, }:
    let
      inherit (nixpkgs) lib;
      forAllSystems = f:
        lib.genAttrs [ "x86_64-linux" "aarch64-linux" ]
        (system: f { pkgs = import nixpkgs { inherit system; }; });
    in {
      packages = forAllSystems ({ pkgs }: {
        default = pkgs.callPackage ./flake/default.nix { };
        REPLACE_ME = self.packages.${pkgs.system}.default;
      });

      formatter =
        forAllSystems ({ pkgs }: pkgs.callPackage ./flake/formatter.nix { });
    };
}