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