facebook/rendercore/Host.html#unmount-int-com.facebook.rendercore.MountItem-"><code>unmount(int, MountItem)</code></a> or <a href="../../../com/facebook/rendercore/Host.html#moveItem-com.facebook.rendercore.MountItem-int-int-"><code>moveItem(MountItem, int,
 int)</code></a>.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>item</code> - The item that has been moved.</dd>
<dd><code>oldIndex</code> - The current index of the MountItem.</dd>
<dd><code>newIndex</code> - The new index of