{
  description = "My NixOS Configurations Flake";

  inputs = {
    # Source: https://github.com/NixOS/nixpkgs
    nixpkgs.url = "github:nixos/nixpkgs/nixpkgs-unstable";
    nixpkgs-old.url = "github:nixos/nixpkgs/nixos-24.11";
    nixpkgs-latest.url = "github:nixos/nixpkgs";

    # Source: https://github.com/nix-community/home-manager
    home-manager = {
      url = "github:nix-community/home-manager";
      inputs.nixpkgs.follows = "nixpkgs";
    };

    # Source: https://github.com/NixOS/nixos-hardware
    nixos-hardware.url = "github:nixos/nixos-hardware";

    # Source: https://github.com/Mic92/sops-nix
    sops-nix.url = "github:mic92/sops-nix";
  };

  outputs =
    {
      nixpkgs,
      nixpkgs-old,
      nixpkgs-latest,
      ...
    }@inputs:
    let
      #
    in
    {
      #
    };
}