"interface in jakarta.servlet.http">HttpServletResponse</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>supplier</code> - of trailer headers</dd>
<dt><span class="simpleTagLabel">Since:</span></dt>
<dd>Servlet 4.0</dd>
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<h4>getTrailerFields</h4>
<pre class="methodSignature">public&nbsp;<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/util/fun