final FilePath directoryToRunCommandFrom, //
final OutputStream stdoutStream, //
final OutputStream stderrStream) {
ProcStarter starter = launcher.launch().cmds(machineReadableCommand);
if (masksOrNull != null) {
starter = starter.masks(masksOrNull);
}
starter = starter.envs(environmentVariables);
starter = starter.stdout(stdoutStream).stderr(stderrStream);
starter = starter.pwd(directoryToRunCommandFrom);
return starter;