</span><span class="identifier">expires</span><span class="special">,</span> <span class="string">"never"</span><span class="special">);</span>

<span class="comment">// Emit the trailer in the last chunk.</span>
<span class="comment">// The implementation will use the default allocator to create the storage for holding</span>
<span class="comment">// the serialized fields.</span>
<span class="identifier">net</span><span class="special">::</span><span class="identifier">write</span><span class="special">(</