val test1: Function1 field = local fun (it: String): String { return it } get val test2: @ExtensionFunctionType Function2 field = local fun Any.(it: Any): Int { return it.hashCode() } get val test3: Function2 field = local fun (i: Int, j: Int) { return Unit } get val test4: Function2 field = local fun (i: Int, j: Int) { } get