This rule flags the use of the NotificationConstants.TYPE_AGENT_DISCOVERED field. This field was deprecated in Version 5.0.
In the source scanner, the quick fix replaces references to this field with the NotificationConstants.TYPE_DISCOVERY_AGENT_FOUND field.
For more information on the fields, see the com.ibm.websphere.management.NotificationConstants Java documentation.
The full Deprecated API list is in the documentation.