aximum time, in seconds, that connections allocated to requests can be used before
timing out, or <code>nil</code> for no timeout.  Defaults to <code>nil</code>.</p>

                        </div>
                        <div class="declaration">
                          <h4>Declaration</h4>
                          <div class="language">
                            <p class="aside-title">Swift</p>
                            <pre class="highlight swift"><code><span class="kd">public</span> <span class="