stderr property
dynamic stderrfinal
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.
© 2012 the Dart project authors
Licensed under the Creative Commons Attribution-ShareAlike License v4.0.
https://api.dartlang.org/stable/1.24.3/dart-io/ProcessResult/stderr.html