</a></li>
<li class="toctree-l3"><a class="reference internal" href="validation.html#custom-validation-rules">2.2.5. Custom Validation Rules</a></li>
<li class="toctree-l3"><a class="reference internal" href="validation.html#api-reference">2.2.6. API Reference</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="ect_on_graphs.html">2.3. ECT on graphs</a><ul>
<li class="toctree-l3"><a class="reference internal" href="ect_on_graphs.html#ect.ect.ECT"><code class="docutils literal not