sp;MessageCountEvent(<a href="../../../jakarta/mail/Folder.html" title="class in jakarta.mail">Folder</a>&nbsp;folder,
                         int&nbsp;type,
                         boolean&nbsp;removed,
                         <a href="../../../jakarta/mail/Message.html" title="class in jakarta.mail">Message</a>[]&nbsp;msgs)</pre>
<div class="block">Constructor.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>folder</code> - The containing folder</dd>
<dd><code>type</code> - Th