anchor.diff:  	Default = #{verify => [exp, nbf, iat]},
   	application:get_env(?APP, ?FUNCTION_NAME, Default).
   
  --spec success_result() -> ok | next.
  -success_result() ->
  +-spec auth_on_register_success_result() -> ok | next.
  +auth_on_register_success_result() ->
   	application:get_env(?APP, ?FUNCTION_NAME, ok).
   
   -spec config_file() -> binary().
  
positive.code: 
  -module(vmq_joseauth).
  -behaviour(auth_on_register_hook).
  -include_lib("vmq_commons/include/vmq_types.hrl").
  
  %% API
  -export([
  
negative.code: 	username_pattern/0,
  	keys_directory/0,
  	verify_options/0,
  	auth_on_register_success_result/0,
  	config_file/0
  ]).
  
  