ght-weight
        alternative: pickle support implemented in Python</a></span></dt>
</dl></dd>
<dt><span class="section"><a href="topics/indexing_support.html">Indexing support</a></span></dt>
<dd><dl>
<dt><span class="section"><a href="topics/indexing_support.html#topics.indexing_support.introduction">Introduction</a></span></dt>
<dt><span class="section"><a href="topics/indexing_support.html#topics.indexing_support.the_indexing_interface">The
        Indexing Interface</a></span></dt>
<dt><span class="se