Declaration</h4>
                        <div class="language">
                          <p class="aside-title">Swift</p>
                          <pre class="highlight swift"><code><span class="kd">open</span> <span class="kd">private(set)</span> <span class="kd">lazy</span> <span class="k">var</span> <span class="nv">itemLayout</span><span class="p">:</span> <span class="kt"><a href="../Classes/LayoutBlock.html">LayoutBlock</a></span><span class="o">&lt;</span><span class="kt">Element</span><span class=