Encapsulates the processing 
 state of the POAs it is associated with.  Each POA object has an associated POAManager object.  A POA manager may be associated with one or more 
 POA objects.
For a precise list of supported sections of official specifications with which the Java[tm] Platform, Standard Edition 6 ORB complies, see Official Specifications for CORBA support in Java[tm] SE 6.
@since 1.4
@serial exclude