">::</span><span class="identifier">writer</span></code>
                </p>
              </td>
<td>
              </td>
<td>
                <p>
                  If present, indicates that the body is serializable. The type must
                  meet the requirements of <a class="link" href="BodyWriter.html" title="BodyWriter"><span class="emphasis"><em>BodyWriter</em></span></a>.
                  The implementation constructs an object of this type to obtain
                  buffers representing the