1{ config, lib, ... }: 2 3{ 4 options = { 5 lib = lib.mkOption { 6 default = {}; 7 8 type = lib.types.attrsOf lib.types.attrs; 9 10 description = '' 11 This option allows modules to define helper functions, constants, etc. 12 ''; 13 }; 14 }; 15}