"p">:</span> <span class="kt">TimeInterval</span><span class="p">?</span> <span class="o">=</span> <span class="kc">nil</span><span class="p">,</span>
					   <span class="nv">destination</span><span class="p">:</span> <span class="kd">@escaping</span> <span class="p">(</span><span class="kt">URL</span><span class="p">)</span> <span class="k">throws</span> <span class="o">-&gt;</span> <span class="kt">URL</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="kt"><a href="../Classes/Downlo