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

  }

  fun <T : Any?> foo(x: T, y: T) {
    val map: MutableMap<T, T> = mutableMapOf<T, T>()
    map.putIfAbsent(p0 = x, p1 = y) /*~> Unit */
  }

}