is the <code class="json">Member</code> of the <code class="json">Object</code> whose key matches <code class="api-name">*prototype-name*</code>&mdash;more precisely, whose key decodes to a symbol <var>S</var> such that <code>(string= (symbol-name <var>S</var>) (symbol-name json:*prototype-name*))</code>.</p>

<div class="api_docstring">
  <p class="api">[variable]
    <code class='api'><span class="api-name"> *prototype-name* </span></code></p>
<p class="docstring">
  Must have a symbol for value, the defa