s="special">{</span>
        <span class="keyword">return</span> <span class="identifier">_m_impl</span><span class="special">-&gt;</span><span class="identifier">set_response_stream</span><span class="special">(</span><span class="identifier">stream</span><span class="special">);</span>
    <span class="special">}</span>

    <span class="comment">/// Defines a callback function that will be invoked for every chunk of data uploaded or downloaded</span>
    <span class="comment">/// as part of the request.<