an></span> <span><a href="TraceDomain/index.html#type-t">TraceDomain.t</a> option</span></span></code></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-add_node"><a href="#val-add_node" class="anchor"></a><code><span><span class="keyword">val</span> add_node : <span><a href="../../../../AccessPath/Abs/index.html#type-t">AccessPath.Abs.t</a> <span class="arrow">&#45;&gt;</span></span> <span><a href="#type-node">node</a> <span class="arrow">&#45;&gt;</span></span> <span><a href="#typ