de> represents the <code>java.lang.Object</code> type, then the result
 is equivalent to <a href="#wildcardUnbounded()"><code>wildcardUnbounded()</code></a>.</div>
<dl class="notes">
<dt>Parameters:</dt>
<dd><code>upperBound</code> - upper bound type, must not be <code>null</code></dd>
<dt>Returns:</dt>
<dd>a <a href="../../../../lang/model/types/WildcardType.html" title="interface in jakarta.enterprise.lang.model.types"><code>WildcardType</code></a> object representing a wildcard type with given upper boun