Private: Use OsProcesses>>spawned
     Answer an array of pid sorted subprocesses of VAST
     that were active at the time this call was made

     Answers:
        <Array>

  Answer the wait (in milliseconds) that occurs in the
     DeadlockAvoidance process loop

     Answers:
        <Integer>

  Set the wait (in milliseconds) that occurs in the
     DeadlockAvoidance process loop

     A lower number means less time for the os pipe buffer to fill up

  Close all stdio streams.
     Ignore any exceptions

  Answer the stderr stream of the process.
     @see OsNativeProcess>>stderrStream comments for more details.

     Answers:
        <OsProcessStream>

  Answer the stdin stream of the process.
     @see OsNativeProcess>>stdinStream comments for more details.

     Answers:
        <OsProcessStream>

  Answer true if this subprocess is running in detached mode, false otherwise.
     @see OsProcessStarter>>detached for a detailed description

     Answers:
        <Boolean>

  Object check

     Answers:
        <Boolean> true

  Answer the stdout stream of the process.
     @see OsNativeProcess>>stdoutStream comments for more details.

     Answers:
        <OsProcessStream>

  Answer the newline separated tracing read stream.
     If tracing was not enabled, then this stream will
     be positioned at the end.

     A 'trace' will capture information regarding the details
     of how the subprocess was spawned, along with any
     errors that may have occurred.

     Answers:
        <ReadStream>