stderr property
final
Standard error from the process. The value used for the stderrEncoding argument to Process.run determines the type. If null was used, this value is of type List<int> otherwise it is of type String.
Implementation
final stderr;
© 2012 the Dart project authors
Licensed under the Creative Commons Attribution-ShareAlike License v4.0.
https://api.dart.dev/stable/2.13.0/dart-io/ProcessResult/stderr.html