nted attribute</dd>
<dd><code>elementType</code> - the element type of the represented 
                      attribute</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>declared <code>CollectionAttribute</code> of the given name and 
          element type</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang" class="exte