blic</span> <span class="k">var</span> <span class="nv">manufacturer</span><span class="p">:</span> <span class="kt">Manufacturer</span><span class="p">?</span> <span class="p">{</span> <span class="k">get</span> <span class="k">set</span> <span class="p">}</span></code></pre>

                          </div>
                        </div>
                      </section>
                    </div>
                  </li>
                  <li class="item">
                    <div>
                      <