module bar {
  namespace bar;
  prefix bar;

  feature foo;

  grouping foo {
    container foo {
      if-feature foo;
      container bar;
    }
  }

  uses foo {
    refine foo/bar {
      description desc;
    }
  }

  container baz {
    uses foo {
      refine foo {
        description desc;
      }
    }
  }
}