 class="p">(</span><span class="nv">request</span><span class="p">:</span> <span class="kt">URLRequest</span><span class="p">?,</span> <span class="nv">response</span><span class="p">:</span> <span class="kt">HTTPURLResponse</span><span class="p">?,</span> <span class="nv">data</span><span class="p">:</span> <span class="kt">Data</span><span class="p">?,</span> <span class="nv">error</span><span class="p">:</span> <span class="kt">Error</span><span class="p">?)</span> <span class="k">throws</span> <span cla