code: private IGroupMember igetGroupMember(String key, Class<?> type) throws GroupsException {
          return compositeGroupService.getGroupMember(key, type);
      }
docs: Returns an <code>IGroupMember</code> representing either a group or a portal entity. If the
  parm <code>type</code> is the group type, the <code>IGroupMember</code> is an <code>
  IEntityGroup</code> else it is an <code>IEntity</code>.