{
  lib,
  runCommand,
  nixosOptionsDoc,
  ...
}:
let
  eval = lib.evalModules { modules = [ ./junos ./dgn-module.nix ]; };
  optionsDoc = nixosOptionsDoc {
    inherit (eval) options;
  };
in
runCommand "options-doc.md" { } ''
  cat ${optionsDoc.optionsCommonMark} >> $out
''