i>
<section class="detail" id="toJson()">
<h3>toJson</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Optional.html" title="class or interface in java.util" class="external-link">Optional</a>&lt;com.fasterxml.jackson.databind.node.ObjectNode&gt;</span>&nbsp;<span class="element-name">toJson</span>()</div>
</section>
</li>
<li>
<section class="detail" id="toString()">
<h3>toS