#inlinetest:exclude skip — tests export format, not evaluator semantics
-- in.cue --
{
	$type:  3
	"_":    int
	"_foo": int
	_bar:   int
}
-- out/compile --
--- in.cue
{
  {
    $type: 3
    "_": int
    "_foo": int
    _bar: int
  }
}
