ntroller which displays vertical stack of cards.
Each card in stack can be expanded.</p>

          </section>
          <section class="section task-group-section">
            <div class="task-group">
              <div class="task-name-container">
                <a name="/Public%20properties"></a>
                <a name="//apple_ref/swift/Section/Public properties" class="dashAnchor"></a>
                <a href="#/Public%20properties">
                  <h3 class="section-name">Public properties</h3>
