ource that is only available at runtime and no acceptable simulated value can be provided.</li>
 </ul>

 <p>
 The caller should be aware that the <code>Iterator</code> returned might iterate through a very large or even
 infinitely large set of properties. Care should be taken by the caller to not get stuck in an infinite loop.

 <p>
 This is a "best-effort" list. Not all <code>ELResolver</code>s will return completely accurate results, but all must
 be callable at both design-time and runtime (i.e. whether