              <a name="/Implementation%20Details"></a>
                <a name="//apple_ref/swift/Section/Implementation Details" class="dashAnchor"></a>
                <div class="section-name-container">
                  <a class="section-name-link" href="#/Implementation%20Details"></a>
                  <h3 class="section-name"><span>Implementation Details</span>
</h3>
                </div>
              </div>
              <ul>
                <li class="item">
                  <div>
             