sis"><em>AsyncWriteStream</em></span></a>,
                    <a href="../../../../../../doc/html/boost_asio/reference/SyncReadStream.html" target="_top"><span class="emphasis"><em>SyncReadStream</em></span></a>,
                    <a href="../../../../../../doc/html/boost_asio/reference/SyncWriteStream.html" target="_top"><span class="emphasis"><em>SyncWriteStream</em></span></a>.
                  </p>
<p>
                    The type requirements for instantiating <code class="computeroutput"><span cla