va.base/java/lang/Class.html" title="class or interface in java.lang" class="external-link">Class</a>&lt;T&gt;&nbsp;extensionClass)</code></div>
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<div class="block">Obtains the container's instance of an Extension class declared in <code>META-INF/services</code>.</div>
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<div class="caption"><span>Methods in <a href="../package-summary.html">jakarta.enterprise.inject.spi</a> that return <a href="../Extension.html" title="interface in jakarta.enterprise.inject