anchor.diff:      Name = ej:get({<<"name">>}, RoleData),
       {binary_to_list(Name), Req, State}.
   
  -content_types_accepted(Req, State) ->
  -    {[{"application/json", from_json}], Req, State}.
  -
   from_json(Req, #base_state{resource_state =
                                  #role_state{role_data = RoleData,
                                              role_authz_id = AuthzId}} = State) ->
  
positive.code:          validate_request/3]).
  
  -export([allowed_methods/2,
           content_types_accepted/2,
           create_path/2,
           from_json/2,
           resource_exists/2,
  
negative.code: 
  -include("chef_wm.hrl").
  
  -mixin([{chef_wm_base, [content_types_accepted/2,
                          content_types_provided/2,
                          finish_request/2,
                          malformed_request/2,
                          ping/2,
  