d name="content">
        <ref>String</ref>
        <p>
          The new content of the file.
        </p>
      </field>
      <field name="version" optional="true">
        <ref>int</ref>
        <p>An optional version number for the document. Version numbers allow the server to tag edits with the version of the document they apply to which can avoid applying edits to documents that have already been updated since the edits were computed.</p>
        <p>If version numbers are supplied with AddContentOver