anchor.diff:           content_types_accepted/2,
            to_json/2,
            from_json/2]).
  +
  +-export([install_scenario/2]).
   
   -type state() :: [].
   
  
positive.code:             Req3 = cowboy_req:set_resp_body(Reply, Req2),
              {false, Req3, State}
      end.
  
  %% internal function
  -spec get_vars_from_body(cowboy_req:req()) ->
  
negative.code:         {error, eexist} -> ok;
          {error, Reason} -> Reason
      end.
  
  -spec amoc_nodes() -> [node()].
  amoc_nodes() ->
      [node() | [ Node || Node <- erlang:nodes(), not is_remsh_node(Node) ]].
  
  -spec is_remsh_node(node()) -> boolean().
  is_remsh_node(Node) ->
      case atom_to_list(Node) of
          "remsh" ++ _ -> true;
          _            -> false
      end.
  