Main section of the manifests.  Default value is &quot;skip&quot;.
    </td>
    <td valign="top" align="center">No</td>
  </tr>
  <tr>
    <td valign="top">update</td>
    <td valign="top">indicates whether to update or overwrite
      the destination file if it already exists.  Default is &quot;false&quot;.</td>
    <td valign="top" align="center">No</td>
  </tr>
  <tr>
    <td valign="top">whenmanifestonly</td>
    <td valign="top">behavior when no files match.  Valid values are &quot;fail&quot;, &quot;s