n><span class="kt">UINavigationController</span><span class="o">.</span><span class="nf">push</span><span class="p">())</span>
            <span class="o">.</span><span class="nf">from</span><span class="p">(</span><span class="kt">GeneralStep</span><span class="o">.</span><span class="nf">custom</span><span class="p">(</span><span class="nv">using</span><span class="p">:</span> <span class="kt">ClassFinder</span><span class="o">&lt;</span><span class="kt">UINavigationController</span><span class="p">,</spa