l">Returns:</span></dt>
<dd>the set of message handlers.</dd>
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<h4>removeMessageHandler</h4>
<pre>void&nbsp;removeMessageHandler(<a href="../../javax/websocket/MessageHandler.html" title="interface in javax.websocket">MessageHandler</a>&nbsp;handler)</pre>
<div class="block">Remove the given MessageHandler from the set belonging to this session. This method may block