class A : Java1 {
  constructor() /* primary */ {
    super/*Java1*/()
    /* <init>() */

  }

}

class B : Java1 {
  constructor() /* primary */ {
    super/*Java1*/()
    /* <init>() */

  }

  override fun <T : Any> bar(): T? {
    return CHECK_NOT_NULL<Nothing>(arg0 = null)
  }

  override fun <T : Any> foo(a: T?) {
  }

}

fun test(a: A, b: B) {
  val k: Int = a.bar<@FlexibleNullability Int?>() /*!! Int */
  val k2: Int? = a.bar<Int?>()
  val k3: Any = a.bar<@FlexibleNullability Any?>() /*!! Any */
  val k4: Nothing = a.bar<@FlexibleNullability Nothing?>() /*!! Nothing */
  a.foo<@FlexibleNullability Int?>(a = 1)
  a.foo<Nothing?>(a = null)
  a.foo<@FlexibleNullability Int?>(a = null)
  a.foo<@FlexibleNullability List<Nothing?>?>(a = listOf<Nothing?>(element = null))
  val k5: Int? = b.bar<Int>()
  val k7: Any? = b.bar<Any>()
  val k8: Nothing? = b.bar<Nothing>()
  b.foo<Int>(a = 1)
  b.foo<Nothing>(a = null)
  b.foo<Int>(a = null)
  b.foo<List<Nothing?>>(a = listOf<Nothing?>(element = null))
}