anchor.diff:  
       TRY.
           CREATE OBJECT li_auth TYPE ('LCL_AUTH_EXIT').
  -        rv_allowed = li_auth->is_allowed( iv_activity ).
  +        rv_allowed = li_auth->is_allowed( iv_activity = iv_activity
  +                                          iv_param    = iv_param ).
         CATCH cx_sy_create_object_error.
           rv_allowed = abap_true.
       ENDTRY.
  
positive.code:   METHODS:
      is_allowed
        IMPORTING iv_activity       TYPE ty_activity
        RETURNING VALUE(rv_allowed) TYPE abap_bool.
  ENDINTERFACE.
  
  
negative.code:     CLASS-METHODS:
        is_allowed
          IMPORTING iv_activity       TYPE ty_activity
                    iv_param          TYPE string OPTIONAL
          RETURNING VALUE(rv_allowed) TYPE abap_bool.
  
  ENDCLASS.
  