anchor.diff:              Error
       ;   {ok, RealmsJson} ->
               T = #t
  -                { token     = Token
  +                { token  = Token
                   , realms = jsx:decode(RealmsJson)
                   },
               {ok, T}
  
positive.code:     oauth1_realm:t().
  
  -record(t,
      { token     :: token()
      , realms :: [realm()]
      }).
  
  
negative.code:     t().
  cons({token, <<_/binary>>}=Token) ->
      #t
      { token  = Token
      , realms = ordsets:new()
      }.
  
  