er to
 <A HREF="http://www.ietf.org/rfc/rfc3501.txt" TARGET="_top">RFC 3501</A>
 for details.
 A client may want to "poll" the folder by occasionally calling the
 <a href="../Folder.html#getMessageCount()"><code>getMessageCount</code></a> or
 <a href="../Folder.html#isOpen()"><code>isOpen</code></a> methods
 to solicit any such notifications.</div>
<dl>
<dt><span class="simpleTagLabel">Author:</span></dt>
<dd>John Mani</dd>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../serialized