><span class="special">,</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">null_deleter</span><span class="special">()));</span>

    <span class="comment">// Wrap it into the frontend and register in the core</span>
    <span class="identifier">boost</span><span class="special">::</span><span class="identifier">shared_ptr</span><span class="special">&lt;</span> <span class="identifier">sink_t</span> <span class="special">&gt;</span> <span class="identifier"