anchor.diff:              State
       end;
   
  -on({takeover_after_rm_change, Lease, Result}, State) ->
  +on({takeover_after_rm_change, _Lease, Result}, State) ->
       log:log("takeover_after_rm_change ~w", [Result]),
       case Result of
           {takeover, failed, L, Error} ->
  
positive.code: add_takeover(#state{takeovers=Takeovers} = State, Lease) ->
      Id = l_on_cseq:get_id(Lease),
      case gb_trees:lookup(Id, Takeovers) of
          {value, Val} ->
              % @todo ?!?
              State;
          none ->
  
negative.code:             State
      end;
  
  on({merge_after_rm_change, _L2, _ActiveLease, Result}, State) ->
      log:log("merge after rm_change: ~w", [Result]),
      State;
  
  on({merge_after_leave, _NewLease, _OldLease, Result}, State) ->
      log:log("merge after finish done: ~w", [Result]),
      State.
  
  