va/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&gt;&gt;&nbsp;supplier)</pre>
<div class="block">The default behaviour of this method is to call <a href="../../../jakarta/servlet/http/HttpServletResponse.html#setTrailerFields-java.util.function.Supplier-"><code>HttpServletResponse.setTrailerFields(java.util.function.Supplier&lt;