 argument is for or does. </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>req</em>&nbsp;</td><td>- Whether the argument is required on the command line. </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>value</em>&nbsp;</td><td>- The default value assigned to this argument if it is not present on the command line. </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>typeDesc</em>&nbsp;</td><td>- A short, human readable description of the type that this object expects. This