n class="kd">public</span> <span class="kd">class</span> <span class="kt">PolyCache</span> <span class="p">:</span> <span class="kt">NSObject</span></code></pre>

                </div>
              </div>
            <p>Undocumented</p>

          </section>
          <section class="section task-group-section">
            <div class="task-group">
              <div class="task-name-container">
                <a name="/object%20lifecycle"></a>
                <a name="//apple_ref/swift/Section/object li