of <code>ELClass</code> and the property is String, the
 <code>propertyResolved</code> property of the <code>ELContext</code> object must be set to <code>true</code> by this
 resolver, before returning. If this property is not <code>true</code> after this method is called, the caller should
 ignore the return value.
 </p>

 If the property is a public static field of class specified in <code>ELClass</code>, return the value of the static
 field. An Enum constant is a public static field of an Enum object, a