on involves
 full syntactic validation, but others may not do so. Evaluating the expression may raise an ELParseException as
 well as other ELExceptions due to run-time evaluation.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>vResolver</code> - A VariableResolver instance that can be used at runtime to resolve the name of implicit objects
                  into Objects.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>The result of the expression evaluation.</dd>
<dt>