AddOrUndeleteUserGroup | Adds a new user group or undeletes an existing one. | 
  AddUserGroupAdmin | Adds a new user group. Returns the created user group, with the ID property set to the real ID value. | 
  GetGroupsOfUserOrGroup | Gets all the groups that the specifed user or group belongs to. | 
  GetUserContainersAdmin | Gets all user containers. | 
  GetUserGroup | Gets the specified user group. | 
  GetUserGroupAdmin | Gets the specified user group (for administrative operations). | 
  GetUserGroupIDByAlias | Gets the ID of the user group with the specified alias. Returns -1 if a match is not found or if more than one user group uses the specified alias. | 
  GetUserGroupIDByGUID | Gets the ID of the user group with the specified GUID. Returns -1 if a match is not found. | 
  GetUserGroupList | Gets the user group listing as key name pairs. | 
  GetUserGroups | Gets all user groups. | 
  GetUserGroupsAdmin | Gets all user groups. | 
  RemoveUserGroupAdmin | Deletes the user group with specified ID. | 
  UpdateUserGroupAdmin | Updates the user group. The ID property identifies the user group to modify. |