ection class="section">
            <h1>Classes</h1>
            <p>The following classes are available globally.</p>

          </section>
          <section class="section task-group-section">
            <div class="task-group">
              <ul>
                <li class="item">
                  <div>
                    <code>
                    <a name="/s:C20CleanroomConcurrency14LockedResource"></a>
                    <a name="//apple_ref/swift/Class/LockedResource" class="dashAnchor"></a>
     