an><span class="p">:</span> <span class="n">typing</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">Address</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span>
    <span class="p">)</span> <span class="o">-&gt;</span> <span class="n">typing</span><span class="o">.</span><span class="n">Generator</span><span class="p">[</span><span class="n">T_JSON_DICT</span><span class="p">,</span><span class="n">T_JSON_DICT</span><span cl