ProcessOptions represents the options that can be supplied when starting a process.

class ProcessOptions {
  /**
   * The working directory from which the process is started.  Note
   * that the change of directory occurs before executing the process
   * on some platforms, which may have impact when using relative
   * paths for the executable and the arguments.
   */
  String workingDirectory;

  /**
   * The encoding used for text on stdout when starting a
   * non-interactive process with [:Process.run:].
   *
   * This option is ignored for interactive processes started with
   * [:Process.start:].
   *
   * The default stdoutEncoding is UTF_8.
   */
  Encoding stdoutEncoding;

  /**
   * The encoding used for text on stderr when starting a
   * non-interactive process with [:Process.run:].
   *
   * This option is ignored for interactive processes started with
   * [:Process.start:].
   *
   * The default stderrEncoding is UTF_8.
   */
  Encoding stderrEncoding;

  /**
   * Provides the environment variables for the process. If not set
   * the environment of the parent process is inherited.
   *
   * Currently, only ASCII environment variables are supported and
   * errors are likely to occur if an environment variables with
   * code-points outside the ASCII range is passed in.
   */
  Map<String, String> environment;
}