// Copyright 2019 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 constant that is true if the application was compiled in release mode.////// More specifically, this is a constant that is true if the application was/// compiled in Dart with the '-Ddart.vm.product=true' flag.////// Since this is a const value, it can be used to indicate to the compiler that/// a particular block of code will not be executed in release mode, and hence/// can be removed.constboolkReleaseMode=bool.fromEnvironment('dart.vm.product',defaultValue:false);