 title="class or interface in java.lang">String</a>&nbsp;valueIfNullOrEmpty)</code>
<div class="block">Use this when you want to normalize empty and null strings
 This way, Utility.areObjectsEqual can used for comparison, where a null string is to be treated the same as
 an empty string.</div>
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<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><strong><a href="../../../com/facebook/internal/Utility.html#deleteDirectory(java.io.File)">deleteDirector