get namespace. Thus, while the annotation syntax
 allows &#64;XmlElementDecl to be used on any method, semantically
 its use is restricted to annotation of element factory method.

 The usage is subject to the following constraints:

 <ul>
   <li> The class containing the element factory method annotated
        with &#64;XmlElementDecl must be marked with <a href="XmlRegistry.html" title="annotation in jakarta.xml.bind.annotation"><code>XmlRegistry</code></a>. </li>
   <li> The element factory method must 