="special">,</span> <span class="keyword">public</span> <span class="identifier">config</span><span class="special">::</span><span class="identifier">connection_base</span>
<span class="special">{</span>
<span class="keyword">public</span><span class="special">:</span>
    <span class="keyword">typedef</span> <span class="identifier">lib</span><span class="special">::</span><span class="identifier">shared_ptr</span><span class="special">&lt;</span><span class="identifier">type</span><span class="special">&g