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<h4>setInstance</h4>
<pre>public static&nbsp;void&nbsp;setInstance(<a href="../../../../jakarta/ws/rs/ext/RuntimeDelegate.html" title="class in jakarta.ws.rs.ext">RuntimeDelegate</a>&nbsp;rd)</pre>
<div class="block">Set the runtime delegate that will be used by JAX-RS classes. If this method is not called prior to
 <a href="../../../../jakarta/ws/rs/ext/RuntimeDelegate.html#getInstance--"><code>getInstance()</code></a> then an implementation will be sought as descri