1getRealUserID: OK
2getRealGroupID: OK
3getEffectiveUserID: OK
4getEffectiveGroupID: OK
5getGroups: OK
6getEffectiveUserName: OK
7getGroupEntryForID: OK
8getGroupEntryForName: OK
9getAllGroupEntries: OK
10getUserEntryForID: OK
11getAllUserEntries: OK
12