operty map with the dynamic property map interface,
which provides <tt class="docutils literal"><span class="pre">get</span></tt> and <tt class="docutils literal"><span class="pre">put</span></tt> functions that
can be called using values of any type that meets a few requirements.
Internally, the dynamic property map converts key and value pairs to
meet the requirements of the underlying property map or signals a
runtime exception if it cannot.</p>
<div class="section" id="fred-s-info-revisited">
<h2><a cla