APT
{
  NeverAutoRemove
  {
	"^firmware-linux.*";
	"^linux-firmware$";
	"^kfreebsd-image.*";
	"^gnumach$";
	"^gnumach-image.*";
  };

  Never-MarkAuto-Sections
  {
	"metapackages";
	"restricted/metapackages";
	"universe/metapackages";
	"multiverse/metapackages";
	"oldlibs";
	"restricted/oldlibs";
	"universe/oldlibs";
	"multiverse/oldlibs";
  };
};