a></pre></div> </article> </li>  <li> <article class="definition class" id="CLASS DISSECT:UNAVAILABLE-ARGUMENT"> <header> <span class="visibility">EXTERNAL</span> <span class="type">CLASS</span> <h4 class="name"> <a href="#CLASS%20DISSECT%3AUNAVAILABLE-ARGUMENT">UNAVAILABLE-ARGUMENT</a> </h4> <ul class="qualifiers"></ul> <ul class="arguments"></ul>  <a class="source-link" href="https://github.com/Shinmera/dissect/blob/master/interface.lisp#L90">Source</a>  </header> <div class="docstring"><pre>Used to repre