// Copyright (c) 2024, the Dart project authors.  Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.

class State<T, U> {
  T? t;
  U? u;
  State(List l) {
    t = l[0] is T ? l[0] : null;
    u = l[1] is U ? l[1] : null;
  }
}