pan> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">contract</span><span class="special">/</span><span class="identifier">core</span><span class="special">/</span><span class="identifier">config</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
<span class="preprocessor">#ifndef</span> <span class="identifier">BOOST_CONTRACT_NO_ALL</span>
    <span class="preprocessor">#includ