tent"><div class="qm-api-description"><div class="qm-html-paragraph">The class to give to the children element for a tree. This should always be placed directly inside a  <code class="qm-code-highlight-code qm-code-font">hx-tree-node</code>  and after a  <code class="qm-code-highlight-code qm-code-font">hx-tree-node-parent</code>  element. </div></div></div></div></div><div class="qm-api-item qm-api-class qm-api-collapsible"><div class="qm-api-collapsible-heading"><div class="qm-api-collapsible-toggle"><i c