anchor.diff:          true ->
               precondition_failed("Can't unbind sharded queue: ~p", [QName]);
           _    ->
  -            {ok, Method}
  +            Method
       end;
   
   intercept(#'queue.purge'{queue = QName} = Method, VHost) ->
  
positive.code:         true ->
              precondition_failed("Can't delete sharded queue: ~p", [QName]);
          _    ->
              {ok, Method}
      end;
  
  intercept(#'queue.declare'{queue = QName} = Method, VHost) ->
  
negative.code:         true ->
              precondition_failed("Can't declare sharded queue: ~p", [QName]);
          _    ->
              Method
      end;
  
  intercept(#'queue.bind'{queue = QName} = Method, VHost) ->
  