 </div>
                        <div class="declaration">
                          <h4>Declaration</h4>
                          <div class="language">
                            <p class="aside-title">Swift</p>
                            <pre class="highlight swift"><code><span class="kd">@available</span><span class="p">(</span><span class="n">swift</span> <span class="mf">4.2</span><span class="p">)</span>
<span class="kd">@available</span><span class="p">(</span><span class="n">iOS</span> <span clas