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<h4>isRegistered</h4>
<pre>boolean&nbsp;isRegistered&#8203;(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;component)</pre>
<div class="block">Check if a particular API <code>component</code> instance (such as providers or