>Type Parameters:</span></dt>
<dd><code>T</code> - header type.</dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>type</code> - the class of the header.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>an instance of <code>HeaderDelegate</code> for the supplied type.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang">I