n><span class="p">?</span> <span class="n">container</span><span class="o">.</span><span class="nf">decode</span><span class="p">(</span><span class="kt">String</span><span class="o">.</span><span class="k">self</span><span class="p">,</span> <span class="nv">forKey</span><span class="p">:</span> <span class="o">.</span><span class="n">myProperty</span><span class="p">))</span><span class="o">.</span><span class="nf">flatMap</span><span class="p">(</span><span class="kt">Int</span><span class="o">.</span><s