                 </td>
</tr>
<tr>
<td>
                    <p>
                      <code class="computeroutput"><span class="identifier">decorator</span></code>
                    </p>
                  </td>
<td>
                    <p>
                      A function object which will be called to modify the HTTP request
                      object generated by the implementation. This could be used
                      to set the User-Agent field, subprotocols, or other application
                