{

  description = "";

  inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixos-26.05";

  outputs =
    inputs:
    let
      forAllSystems =
        function:
        inputs.nixpkgs.lib.genAttrs
          [
            "x86_64-linux"
            "aarch64-linux"
            "aarch64-darwin"
          ]
          (
            system:
            function (
              import inputs.nixpkgs {
                system = system;
                overlays = [ inputs.self.overlays.default ];
              }
            )
          );

    in
    {

      packages = forAllSystems (pkgs: {
        default = pkgs.pebble-foo;
        pebble-foo = pkgs.pebble-foo;
      });

      overlays.default = final: prev: {
        pebble-foo = prev.callPackage ./nix/package.nix { };
      };

    };

}