package foo:root;
package foo:name@1.0.0 {
  interface i1 {
    type a = u32;
  }

  world w1 {
    import imp1: interface {
        use i1.{a};
    }
  }
}

package foo:name@1.0.1 {
  interface i1 {
    type a = u32;
  }

  world w1 {
    import imp1: interface {
        use i1.{a};
    }
  }
}