                  <p class="aside-title">Swift</p>
                          <pre class="highlight swift"><code><span class="kd">public</span> <span class="kd">typealias</span> <span class="kt">RenderHandler</span> <span class="o">=</span> <span class="p">(</span><span class="n">_</span> <span class="nv">renderFrame</span><span class="p">:</span> <span class="kt">CVPixelBuffer</span><span class="p">,</span> <span class="n">_</span> <span class="nv">presentationTime</span><span class="p">:</span> <span class