{ lib, ... }: { options.services.device-vars = with lib; { username = mkOption { description = '' Username that was defined at the initial setup process ''; type = types.nullOr types.str; }; configDir = mkOption { description = '' The path to where most of the devices' configs are in the .nix folder ''; type = types.nullOr types.str; }; fontSize = mkOption { type = types.nullOr types.float; }; }; }