fun box(): String {
  val obj: <no name provided> = { // BLOCK
    local class <no name provided> {
      val end: String
        field = "K"
        get

      local open inner class Base {
        val s: String
          field = s
          get

        constructor(s: String) /* primary */ {
          super/*Any*/()
          /* <init>() */

        }

      }

      local inner class Some : Base {
        constructor(s: String) /* primary */ {
          <this>.super/*Base*/(s = s)
          /* <init>() */

        }

        fun bar(): String {
          return <this>.<get-s>().plus(other = <this>.<get-end>())
        }

      }

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

      }

      fun foo(): String {
        return <this>.Some(s = "O").bar()
      }

    }

    <no name provided>()
  }
  return obj.foo()
}