ons</a>
  </h2>

    <div class="summary-row">
      <div class="summary-signature">
        <a href="#code_change/3" data-no-tooltip="" translate="no">code_change(OldVsn, State, Extra)</a>

      </div>

    </div>

    <div class="summary-row">
      <div class="summary-signature">
        <a href="#get_domain_knowledge/2" data-no-tooltip="" translate="no">get_domain_knowledge(Domain, Topic)</a>

      </div>

    </div>

    <div class="summary-row">
      <div class="summary-signature">
        <a href=