><span class="identifier">move</span><span class="special">(</span><span class="identifier">res</span><span class="special">.</span><span class="identifier">body</span><span class="special">());</span>
    <span class="special">});</span>

    <span class="comment">// `run` will dispatch completion handlers, and block until there is</span>
    <span class="comment">// no more "work" remaining. When this call returns, the operations</span>
    <span class="comment">// are complete and we can give the caller 