s event source is open, <code>false</code> otherwise.</dd>
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<h3><a id="close()">close</a></h3>
<div class="memberSignature"><span class="modifiers">default</span>&nbsp;<span class="returnType">void</span>&nbsp;<span class="memberName">close</span>()</div>
<div class="block">Close this event source.
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 The method will wait up to 5 seconds for the internal event processing tasks to complete.</div>
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