public interface WLSGroup extends java.security.Principal
WLSGroupinterface is a marker interface used to signify that a principal represents a WebLogic Server group. Therefore, any principal that is going to represent a WebLogic Server group should implement this interface.
If you want to get all the groups a user belongs to, you should get all
principals of this type. Alternatively, the best way to find out if a user
is in a group is to use the