an><span class="p">,</span> <span class="n">readonly</span><span class="p">)</span> <span class="n">NSArray</span><span class="o">&lt;</span><span class="n"><a href="../Classes/SDLAudioFile.html">SDLAudioFile</a></span> <span class="o">*&gt;</span> <span class="o">*</span><span class="n">_Nonnull</span> <span class="n">queue</span><span class="p">;</span></code></pre>

  
  <h4>Swift</h4>
  <pre class="highlight swift"><code><span class="k">var</span> <span class="nv">queue</span><span class="p">:</span> <s