ts/Boolean">Boolean</a></span></span></span><span class="qm-api-header-tags"></span></div></div></div></div><div class="qm-api-collapsible-content"><div class="qm-api-item-content"><div class="qm-api-description"><div class="qm-html-paragraph">Emitted when the collapsible&#39;s state changes. The data that comes with this event is a boolean. </div></div></div></div></div><div class="qm-api-item qm-api-javascript-event qm-api-collapsible"><div class="qm-api-collapsible-heading"><div class="qm-api-collapsible