itle="class or interface in java.io" class="externalLink">Closeable</a></pre>
<div class="block">A pluggable interface to allow registration of new JAX-RS resources like REST endpoints.
 The implementations are discovered using the standard Java <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/util/ServiceLoader.html?is-external=true" title="class or interface in java.util" class="externalLink"><code>ServiceLoader</code></a> mechanism.

 Hence, the fully qualified name of the exten