ck">The <code>TimedObject</code> interface contains a callback method
 that is used to deliver timer expiration notifications.  It can be
 implemented by a stateless session bean class, a singleton session
 bean class, a message-driven bean class, or an enterprise bean 2.x entity bean class.
 <p>
 If the bean implements the <code>TimedObject</code> interface, the
 <code>Timeout</code> annotation, if used, can only be applied to 
 the <code>ejbTimeout</code> method.</div>
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