anchor.diff:           load/3,
            action/3]).
   
  --record(state, {conn      :: dbus_connection(),
  -                proxy     :: dbus_proxy(),
  -                i_mixin   :: boolean(),
  -                i_action  :: boolean()}).
  +-record(state, {conn       :: dbus_connection(),
  +                proxy      :: dbus_proxy(),
  +                i_mixin    :: boolean(),
  +                i_action   :: boolean()}).
   
   %%%===================================================================
   %%% occi_backend callbacks
  
positive.code:     end.
  
  
  find_bounded(#state{proxy=Backend}=State, Node) ->
      {{ok, []}, State}.
  
  
  find_unbounded(#state{proxy=Backend}=State, Node) ->
      {{ok, []}, State}.
  
  
  load(#state{proxy=Backend}=State, Node, Opts) ->
  
negative.code: 
  
  delete(#state{i_mixin=false}=State, #occi_node{type=capabilities}) ->
      % TODO: handle this in occi_store: do not query backend in case it does not support and return sthig like 403
      {ok, State};
  
  delete(#state{proxy=Backend}=State, #occi_node{type=capabilities, data=Mixin}=Node) ->
  