> : <code class="type">bool <a href="Pervasives.html#TYPEref">ref</a></code></pre>
<pre><span id="VALunsafe_string"><span class="keyword">val</span> unsafe_string</span> : <code class="type">bool <a href="Pervasives.html#TYPEref">ref</a></code></pre>
<pre><span id="VALopaque"><span class="keyword">val</span> opaque</span> : <code class="type">bool <a href="Pervasives.html#TYPEref">ref</a></code></pre>
<pre><span id="VALprofile_columns"><span class="keyword">val</span> profile_columns</span> : <code class="t