packages/file_testing/lib/src/testing/internal.dart - external/github.com/google/file.dart - Git at Google

 // Copyright (c) 2017, 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.

 /// True if we should ignore OS error codes in our matchers.
 bool ignoreOsErrorCodes = false;
	// Copyright (c) 2017, 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.

	/// True if we should ignore OS error codes in our matchers.
	bool ignoreOsErrorCodes = false;