abstract class A : J, I {
  constructor() /* primary */ {
    super/*J*/()
    /* <init>() */

  }

}

open class Base {
  constructor() /* primary */ {
    super/*Any*/()
    /* <init>() */

  }

}

class Child : Base {
  constructor() /* primary */ {
    super/*Base*/()
    /* <init>() */

  }

}

abstract class J {
  constructor() /* primary */ {
    super/*Any*/()
    /* <init>() */

  }

  abstract fun foo(): Child

}

interface I {
  abstract fun foo(): Base

}