ollerFacade.ts#L102">src/devicecontroller/DeviceControllerFacade.ts:102</a></li>
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							<div class="tsd-comment tsd-typography">
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									<p>Adds an observer to receive callbacks about device changes.</p>
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							<h4 class="tsd-parameters-title">Parameters</h4>
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									<h5>observer: <a href="devicechangeobserver.html" class="tsd-signature-type" data-tsd-kind="Interface">Devic