em associated to oldIndex in the newIndex position.</div>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/facebook/rendercore/Host.html#safelyUnmountAll--">safelyUnmountAll</a></span>()</code>
<div class="block">Use this API to remove all mounted items from the Host to recover from errors.</div>
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<td class="colFirst"><code>void</code></td>
<td class="col