code: @Nonnull
    public InputStream openStream () throws IOException
    {
      if (m_aIS instanceof ICloseable && ((ICloseable) m_aIS).isClosed ())
        throw new MultipartItemSkippedException ();
      return m_aIS;
    }
docs: Returns an input stream, which may be used to read the items contents.
  
  @return Opened input stream.
  @throws IOException
  An I/O error occurred.