anchor.diff:  %%--------------------------------------------------------------------
   -spec handle_service_user() -> [handle_service_privilege()].
   handle_service_user() ->
  -    [view_handle_service, register_handle].
  +    ordsets:from_list([view_handle_service, register_handle]).
   
   %%--------------------------------------------------------------------
   %% @doc A privilege level of a handle_service administrator. This level contains all
  
positive.code: %% @doc All view privileges in OZ API.
  %%--------------------------------------------------------------------
  -spec oz_viewer() -> [oz_privilege()].
  oz_viewer() -> [
      list_users,
  
      list_groups,
  
      list_spaces,
      list_providers_of_space,
  
      list_providers,
      list_users_of_provider,
      list_groups_of_provider,
      list_spaces_of_provider
  ].
  
  
  %%--------------------------------------------------------------------
  
negative.code:     oz_privilege/0
  ]).
  
  -export([space_user/0, space_manager/0, space_admin/0, space_privileges/0]).
  -export([group_user/0, group_manager/0, group_admin/0, group_privileges/0]).
  -export([handle_service_user/0, handle_service_admin/0,
  