::</span><span class="identifier">kind</span><span class="special">::</span><span class="identifier">null</span><span class="special">:</span>
        <span class="identifier">os</span> <span class="special">&lt;&lt;</span> <span class="string">"null"</span><span class="special">;</span>
        <span class="keyword">break</span><span class="special">;</span>
    <span class="special">}</span>

    <span class="keyword">if</span><span class="special">(</span><span class="identifier">indent</span><span class