open class A<A_T : Any?> {
  constructor() /* primary */ {
    super/*Any*/()
    /* <init>() */

  }

}

open class B<B_T : Any?> : A<B_T> {
  constructor() /* primary */ {
    super/*A*/<B_T>()
    /* <init>() */

  }

  override fun hashCode(): Int {
    return 0
  }

}

open class C<C_T : Any?> : B<C_T> {
  constructor() /* primary */ {
    super/*B*/<C_T>()
    /* <init>() */

  }

}

open class D<D_T : Any?> : C<D_T> {
  constructor() /* primary */ {
    super/*C*/<D_T>()
    /* <init>() */

  }

}