es in the EL expression, but is never reused when the EL expression is
 evaluated again, or when another EL expression is evaluated.</li>
 <li>Any instance of the bean that receives a producer method, producer field, disposer method or observer method invocation
 exists to service that invocation only.</li>
 <li>Any instance of the bean injected into method parameters of a disposer method or observer method exists to service the
 method invocation only.</li>
 </ul>

 <p>
 Every invocation of the <a href="sp