anchor.diff:  
     METHOD handle_function.
   
  -    CONSTANTS: BEGIN OF lc_parameter_type,
  -                 import TYPE vepparamtype VALUE 'I',
  -                 export TYPE vepparamtype VALUE 'O',
  -               END OF lc_parameter_type.
  +
   
       DATA: li_parameter TYPE REF TO if_ws_md_vif_param,
             li_soap      TYPE REF TO if_ws_md_soap_ext_func,
  
positive.code:                  ig_data = ls_webi ).
  
    ENDMETHOD.
  ENDCLASS.
  
negative.code:       LOOP AT is_webi-pvepparameter ASSIGNING <ls_parameter>
            WHERE function = <ls_function>-function.
  
          li_parameter = me->handle_single_parameter( iv_name        = <ls_parameter>-vepparam
                                                      ii_function    = li_function
                                                      iv_parameter_type = <ls_parameter>-vepparamtype ).
  
          li_parameter->set_name_mapped_to( <ls_parameter>-mappedname ).
          li_parameter->set_is_exposed( <ls_parameter>-is_exposed ).
  