// Copyright 2018 The Chromium Authors. All rights reserved.// Use of this source code is governed by a BSD-style license that can be// found in the LICENSE file./// A pair of values. Used for testing custom codecs.classPair{finaldynamicleft;finaldynamicright;Pair(this.left,this.right);@overrideStringtoString()=>'Pair[$left, $right]';}