                 <div class="declaration">
                        <h4>Declaration</h4>
                        <div class="objc">
                          <p class="aside-title-objc">Swift</p>
                          <pre class="highlight"><code><span class="n">open</span> <span class="kd">func</span> <span class="nf">makeBlockGroupLayout</span><span class="p">(</span><span class="nv">engine</span><span class="p">:</span> <span class="kt"><a href="../Classes/LayoutEngine.html">LayoutEngine</a></span><sp